Library template batasan

Template batasan memungkinkan Anda menentukan cara kerja batasan, tetapi mendelegasikan penetapan spesifikasi batasan kepada individu atau grup yang memiliki keahlian terkait materi. Selain memisahkan masalah, cara ini juga memisahkan logika batasan dari definisinya.

Semua batasan berisi bagian match, yang menentukan objek yang dikenai pembatasan. Untuk mengetahui detail tentang cara mengonfigurasi bagian tersebut, lihat bagian Pencocokan batasan.

Tidak semua template batasan tersedia untuk semua versi Pengontrol Kebijakan dan template dapat berubah antar-versi. Gunakan link berikut untuk membandingkan batasan dari versi yang didukung:

Link ke versi halaman ini yang didukung

Untuk memastikan Anda menerima dukungan penuh, sebaiknya gunakan template batasan dari Pengontrol Kebijakan versi yang didukung.

Untuk membantu Anda melihat cara kerja template batasan, setiap template menyertakan contoh batasan dan resource yang melanggar batasan tersebut.

Template batasan yang tersedia

Template Batasan Deskripsi Referensi
AllowedServicePortName Mengharuskan nama port layanan memiliki awalan dari daftar yang ditentukan. Tidak
AsmAuthzPolicyDefaultDeny Terapkan AuthorizationPolicy default tingkat mesh. Referensi terkait https://istio.io/latest/docs/ops/best-practices/security/#use-default-deny-patterns. Ya
AsmAuthzPolicyDisallowedPrefix Prinsip dasar dan namespace dalam aturan `AuthorizationPolicy` Istio tidak memiliki awalan dari daftar yang ditentukan. https://istio.io/latest/docs/reference/config/security/authorization-policy/ Tidak
AsmAuthzPolicyEnforceSourcePrincipals Memerlukan kolom "from" Istio AuthorizationPolicy, jika ditentukan, memiliki prinsip sumber, yang harus ditetapkan ke nilai selain "*". https://istio.io/latest/docs/reference/config/security/authorization-policy/ Tidak
AsmAuthzPolicyNormalization Menerapkan normalisasi AuthorizationPolicy. Referensi ke https://istio.io/latest/docs/reference/config/security/normalization/. Tidak
AsmAuthzPolicySafePattern Terapkan pola aman AuthorizationPolicy. Referensi terkait https://istio.io/latest/docs/ops/best-practices/security/#safer-authorization-policy-patterns. Tidak
AsmIngressgatewayLabel Terapkan penggunaan label istio ingressgateway hanya pada pod ingressgateway. Tidak
AsmPeerAuthnMeshStrictMtls Terapkan mtls tingkat mesh yang ketat PeerAuthentication. Referensi terkait https://istio.io/latest/docs/ops/best-practices/security/#mutual-tls. Ya
AsmPeerAuthnStrictMtls Terapkan semua PeerAuthentications tidak dapat menimpa mtls yang ketat. Referensi terkait https://istio.io/latest/docs/ops/best-practices/security/#mutual-tls. Tidak
AsmRequestAuthnProhibitedOutputHeaders Di RequestAuthentication, terapkan kolom `jwtRules.outPayloadToHeader` agar tidak berisi header permintaan HTTP yang umum atau header terlarang kustom. Referensi ke https://istio.io/latest/docs/reference/config/security/jwt/#JWTRule. Tidak
AsmSidecarInjection Terapkan file bantuan proxy istio selalu dimasukkan ke pod workload. Tidak
DestinationRuleTLSEnabled Melarang penonaktifan TLS untuk semua host dan subset host di Istio DestinationRules. Tidak
DisallowedAuthzPrefix Prinsip dasar dan namespace dalam aturan `AuthorizationPolicy` Istio tidak memiliki awalan dari daftar yang ditentukan. https://istio.io/latest/docs/reference/config/security/authorization-policy/ Tidak
GCPStorageLocationConstraintV1 Membatasi `locations` yang diizinkan untuk resource StorageBucket Config Connector ke daftar lokasi yang disediakan dalam batasan. Nama bucket dalam daftar `pengecualian` merupakan pengecualian. Tidak
GkeSpotVMTerminationGrace Memerlukan Pod dan Template Pod dengan `nodeSelector` atau `nodeAfffinty` dari `gke-spot` agar memiliki `terminationGracePeriodSeconds` 15 detik atau kurang. Ya
K8sAllowedRepos Mewajibkan image container untuk memulai dengan string dari daftar yang ditentukan. Tidak
K8sAvoidUseOfSystemMastersGroup Melarang penggunaan grup 'system:masters'. Tidak berpengaruh selama audit. Tidak
K8sBlockAllIngress Melarang pembuatan objek Ingress (jenis `Ingress`, `Gateway`, dan `Service` dari `NodePort` serta `LoadBalancer`). Tidak
K8sBlockCreationWithDefaultServiceAccount Melarang pembuatan resource menggunakan akun layanan default. Tidak berpengaruh selama audit. Tidak
K8sBlockEndpointEditDefaultRole Banyak penginstalan Kubernetes secara default memiliki system:aggregate-to-edit ClusterRole yang tidak membatasi akses dengan benar untuk mengedit Endpoint. ConstraintTemplate ini melarang system:aggregate-to-edit ClusterRole memberikan izin untuk membuat/patch/memperbarui Endpoint. ClusterRole/system:aggregate-to-edit tidak boleh mengizinkan izin edit Endpoint karena CVE-2021-25740, izin Endpoint & EndpointSlice memungkinkan penerusan lintas Namespace, https://github.com/kubernetes/kubernetes/issues/103675 Tidak
K8sBlockLoadBalancer Melarang semua Layanan dengan jenis LoadBalancer. https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer Tidak
K8sBlockNodePort Melarang semua Layanan dengan jenis NodePort. https://kubernetes.io/docs/concepts/services-networking/service/#nodeport Tidak
K8sBlockObjectsOfType Melarang objek dari jenis yang dilarang. Tidak
K8sBlockProcessNamespaceSharing Melarang spesifikasi Pod dengan `shareProcessNamespace` yang ditetapkan ke `true`. Hal ini akan menghindari skenario saat semua container dalam Pod berbagi namespace PID dan dapat mengakses sistem file serta memori satu sama lain. Tidak
K8sBlockWildcardIngress Pengguna tidak akan dapat membuat Ingress dengan nama host kosong atau karakter pengganti (*) karena hal itu memungkinkan mereka menangkap traffic untuk layanan lain di cluster, meskipun jika mereka tidak memiliki akses ke layanan tersebut. Tidak
K8sContainerEphemeralStorageLimit Mewajibkan container menetapkan batas penyimpanan sementara dan membatasi batas agar berada dalam nilai maksimum yang telah ditentukan. https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ Tidak
K8sContainerLimits Mengharuskan container untuk menetapkan batas memori dan CPU serta membatasi batas agar berada dalam nilai maksimum yang ditentukan. https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ Tidak
K8sContainerRatios Menetapkan rasio maksimum untuk batas resource container terhadap permintaan. https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ Tidak
K8sContainerRequests Mewajibkan container menetapkan permintaan memori dan CPU, serta membatasi permintaan agar berada dalam nilai maksimum yang ditentukan. https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ Tidak
K8sCronJobAllowedRepos Membutuhkan image container CronJobs untuk memulai dengan string dari daftar yang ditentukan. Tidak
K8sDisallowAnonymous Tidak mengizinkan pengaitan resource ClusterRole dan Role ke system:anonymous user dan system:unauthenticated group. Tidak
K8sDisallowInteractiveTTY Mengharuskan objek untuk memiliki kolom `spec.tty` dan `spec.stdin` yang disetel ke salah (false) atau tidak disetel. Tidak
K8sDisallowedRepos Repositori container yang tidak diizinkan yang diawali dengan string dari daftar yang ditentukan. Tidak
K8sDisallowedRoleBindingSubjects Melarang RoleBinding atau ClusterRoleBindings dengan subjek yang cocok dengan `disallowedSubjects` yang diteruskan sebagai parameter. Tidak
K8sDisallowedTags Mewajibkan image container memiliki tag image yang berbeda dari yang ada dalam daftar yang ditentukan. https://kubernetes.io/docs/concepts/containers/images/#image-names Tidak
K8sEmptyDirHasSizeLimit Mengharuskan setiap volume `emptyDir` menentukan `sizeLimit`. Secara opsional, parameter `maxSizeLimit` dapat diberikan dalam batasan untuk menentukan batas ukuran maksimum yang diizinkan. Tidak
K8sEnforceCloudArmorBackendConfig Menerapkan konfigurasi Cloud Armor pada resource BackendConfig Tidak
K8sEnforceConfigManagement Memerlukan kehadiran dan operasi Config Management. Batasan yang menggunakan `ConstraintTemplate` ini hanya akan diaudit, terlepas dari nilai `enforcementAction`. Ya
K8sExternalIP Membatasi externalIP Layanan ke daftar alamat IP yang diizinkan. https://kubernetes.io/docs/concepts/services-networking/service/#external-ips Tidak
K8sHorizontalPodAutoscaler Larang skenario berikut saat men-deploy `HorizontalPodAutoscalers` 1. Deployment HorizontalPodAutoscalers dengan `.spec.minReplicas` atau `.spec.maxReplicas` di luar rentang yang ditentukan dalam batasan 2. Deployment HorizontalPodAutoscalers dengan perbedaan antara `.spec.minReplicas` dan `.spec.maxReplicas` lebih kecil dari `minimumReplicaSpread` yang dikonfigurasi. Deployment HorizontalPodAutoscalers yang tidak mereferensikan `scaleTargetRef` yang valid (misalnya, Deployment, ReplicationController, ReplicaSet, StatefulSet). Ya
K8sHttpsOnly Memerlukan resource Ingress agar berupa HTTPS saja. Resource masuk harus menyertakan anotasi `kubernetes.io/ingress.allow-http`, disetel ke `false`. Secara default diperlukan konfigurasi TLS {} yang valid, ini bisa dijadikan opsional dengan menyetel parameter `tlsOptional` ke `true`. https://kubernetes.io/docs/concepts/services-networking/ingress/#tls Tidak
K8sImageDigests Mewajibkan image container untuk memuat ringkasan. https://kubernetes.io/docs/concepts/containers/images/ Tidak
K8sLocalStorageRequireSafeToEvict Mewajibkan Pod yang menggunakan penyimpanan lokal (`emptyDir` atau `hostPath`) untuk memiliki anotasi `"cluster-autoscaler.kubernetes.io/safe-to-evict": "true"`. Cluster Autoscaler tidak akan menghapus Pod tanpa anotasi ini. Tidak
K8sMemoryRequestEqualsLimit Meningkatkan stabilitas Pod dengan mewajibkan semua memori yang diminta container sama persis dengan batas memori, sehingga Pod tidak akan pernah dalam status di mana penggunaan memori melebihi jumlah yang diminta. Jika tidak, Kubernetes dapat menghentikan Pod yang meminta memori tambahan jika memori diperlukan pada node. Tidak
K8sNoEnvVarSecrets Melarang secret sebagai variabel lingkungan dalam definisi container Pod. Sebagai gantinya, gunakan file rahasia yang terpasang di volume data: https://kubernetes.io/docs/concepts/configuration/secret/#using-secrets-as-files-from-a-pod Tidak
K8sNoExternalServices Melarang pembuatan resource umum yang mengekspos workload ke IP eksternal. Ini mencakup resource Gateway Istio dan resource Kubernetes Ingress. Layanan Kubernetes juga tidak diizinkan kecuali memenuhi kriteria berikut: Setiap Layanan jenis `LoadBalancer` di Google Cloud harus memiliki anotasi `"networking.gke.io/load-balancer-type": "Internal"`. Setiap Layanan jenis `LoadBalancer` di AWS harus memiliki anotasi `service.beta.kubernetes.io/aws-load-balancer-internal: "true`. Semua "IP eksternal" (eksternal cluster) yang terikat dengan Layanan harus merupakan anggota rentang CIDR internal seperti yang diberikan pada batasan. Tidak
K8sPSPAllowPrivilegeEscalationContainer Mengontrol eskalasi ke hak istimewa root. Sesuai dengan kolom `allowIllegalEskalasi` di PodSecurityPolicy. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#credential-escalation Tidak
K8sPSPAllowedUsers Mengontrol ID pengguna dan grup penampung serta beberapa volume. Sesuai dengan kolom `runAsUser`, `runAsGroup`, `supplementalGroups`, dan `fsGroup` di PodSecurityPolicy. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#users-and-groups Tidak
K8sPSPAppArmor Mengonfigurasi daftar profil AppArmor yang diizinkan untuk digunakan oleh container. Hal ini sesuai dengan anotasi khusus yang diterapkan pada PodSecurityPolicy. Untuk mengetahui informasi tentang AppArmor, lihat https://kubernetes.io/docs/Tutorial/clusters/apparmor/ Tidak
K8sPSPAutomountServiceAccountTokenPod Mengontrol kemampuan Pod untuk mengaktifkan automountServiceAccountToken. Tidak
K8sPSPCapabilities Mengontrol kemampuan Linux di container. Sesuai dengan kolom `disallowCapabilities` dan `requiredDropCapabilities` di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#capabilities Tidak
Grup K8sPSPFS Mengontrol pengalokasian FSGroup yang memiliki volume Pod. Sesuai dengan kolom `fsGroup` di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#volumes-and-file-systems Tidak
K8sPSPFlexVolume Mengontrol daftar driver FlexVolume yang diizinkan. Sesuai dengan kolom `allowedFlexVolumes` di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#flexvolume-drivers Tidak
K8sPSPRestrictedSysctls Mengontrol profil `sysctl` yang digunakan oleh container. Sesuai dengan kolom `allowedUnsafeSysctls` dan `forbiddenSysctls` di PodSecurityPolicy. Jika ditentukan, setiap sysctl yang tidak ada dalam parameter `allowedSysctls` akan dianggap dilarang. Parameter `forbiddenSysctls` lebih diprioritaskan daripada parameter `allowedSysctls`. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/tasks/administer-cluster/sysctl-cluster/ Tidak
K8sPSPHostFilesystem Mengontrol penggunaan sistem file host. Sesuai dengan kolom `allowedHostPaths` di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#volumes-and-file-systems Tidak
K8sPSPHostNamespace Melarang berbagi namespace PID dan IPC host oleh penampung pod. Sesuai dengan kolom `hostPID` dan `hostIPC` di PodSecurityPolicy. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#host-namespaces Tidak
K8sPSPHostNetworkingPorts Mengontrol penggunaan namespace jaringan host oleh penampung pod. Port tertentu harus ditentukan. Sesuai dengan kolom `hostNetwork` dan `hostPorts` di PodSecurityPolicy. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#host-namespaces Tidak
K8sPSPPrivilegedContainer Mengontrol kemampuan penampung apa pun untuk mengaktifkan mode hak istimewa. Sesuai dengan kolom `privileged` di PodSecurityPolicy. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#privileged Tidak
K8sPSPProcMount Mengontrol jenis `procMount` yang diizinkan untuk penampung. Sesuai dengan kolom `allowedProcMountTypes` di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#allowedprocmounttypes Tidak
K8sPSPReadOnlyRootFilesystem Mewajibkan penggunaan sistem file root hanya baca oleh container pod. Sesuai dengan kolom `readOnlyRootFilesystem` di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#volumes-and-file-systems Tidak
K8sPSPSELinuxV2 Menentukan daftar yang diizinkan konfigurasi seLinuxOptions untuk penampung pod. Sesuai dengan PodSecurityPolicy yang memerlukan konfigurasi SELinux. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#selinux Tidak
K8sPSPSeccomp Mengontrol profil seccomp yang digunakan oleh container. Sesuai dengan anotasi `seccomp.security.alpha.kubernetes.io/allowedProfileNames` pada PodSecurityPolicy. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#seccomp Tidak
K8sPSPVolumeTypes Membatasi jenis volume yang dapat dipasang ke volume yang ditentukan oleh pengguna. Sesuai dengan kolom `volumes` di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#volumes-and-file-systems Tidak
Proses K8sPSPWindowsHost Membatasi pengoperasian container / pod Windows HostProcess. Lihat https://kubernetes.io/docs/tasks/configure-pod-container/create-hostprocess-pod/ untuk informasi selengkapnya. Tidak
K8sPSSRunAsNonRoot Memerlukan container yang dijalankan sebagai pengguna non-root. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/security/pod-security-standards/ Tidak
K8sPodDisruptionBudget Larang skenario berikut saat men-deploy PodDisruptionBudgets atau resource yang mengimplementasikan subresource replika (misalnya, Deployment, ReplicationController, ReplicaSet, StatefulSet): 1. Deployment PodDisruptionBudgets dengan .spec.maxavailable == 0 2. Deployment PodDisruptionBudgets dengan .spec.minAvailable == .spec.replicas resource dengan subresource replika Ya
K8sPodResourcesBestPractices Mengharuskan container bukan upaya terbaik (dengan menetapkan permintaan cpu dan memori) dan mengikuti praktik terbaik yang dapat burst (permintaan memori harus sama persis dengan batas). Secara opsional, kunci anotasi dapat dikonfigurasi untuk mengizinkan melewatkan berbagai validasi. Tidak
K8sPodsRequireSecurityContext Mewajibkan semua Pod untuk menentukan securityContext. Mengharuskan semua penampung yang ditentukan dalam Pod memiliki SecurityContext yang ditentukan di tingkat Pod atau container. Tidak
K8sProhibitRoleWildcardAccess Mengharuskan bahwa Roles dan ClusterRoles tidak menetapkan akses resource ke nilai karakter pengganti '"*"', kecuali untuk Peran dan ClusterRole yang dikecualikan yang disediakan sebagai pengecualian. Tidak membatasi akses karakter pengganti ke subresource, seperti '"*/status"'. Tidak
K8sReplicaLimits Mengharuskan objek dengan kolom `spec.replicas` (Deployment, ReplicaSets, dll.) menentukan jumlah replika dalam rentang yang ditentukan. Tidak
K8sRequireAdmissionController Memerlukan Penerimaan Keamanan Pod atau sistem kontrol kebijakan eksternal Ya
K8sRequireBinAuthZ Memerlukan Webhook Pendaftaran Validasi Otorisasi Biner. Batasan yang menggunakan `ConstraintTemplate` ini hanya akan diaudit, terlepas dari nilai `enforcementAction`. Ya
K8sRequireCosNodeImage Menerapkan penggunaan Container-Optimized OS dari Google di Node. Tidak
K8sRequireDaemonsets Mewajibkan daftar daemonset yang ditentukan untuk ada. Ya
K8sRequireDefaultDenyEgressPolicy Mengharuskan bahwa setiap namespace yang ditentukan dalam cluster memiliki NetworkPolicy default yang menolak traffic keluar. Ya
K8sRequireNamespaceNetworkPolicies Mengharuskan setiap namespace yang ditentukan di cluster memiliki NetworkPolicy. Ya
K8sRequireValidRangesForNetworks Menerapkan blok CIDR yang diizinkan untuk traffic masuk dan keluar jaringan. Tidak
K8sRequiredAnnotations Memerlukan resource untuk memuat anotasi yang ditentukan, dengan nilai yang cocok dengan ekspresi reguler yang disediakan. Tidak
K8sRequiredLabels Memerlukan resource untuk memuat label yang ditentukan, dengan nilai yang cocok dengan ekspresi reguler yang disediakan. Tidak
K8sRequiredProbes Memerlukan Pod untuk memiliki pemeriksaan kesiapan dan/atau keaktifan. Tidak
K8sRequiredResources Mewajibkan container telah menetapkan resource yang ditentukan. https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/ Tidak
K8sRestrictAdmissionController Batasi pengontrol akses masuk dinamis ke pengontrol yang diizinkan Tidak
K8sRestrictAutomountServiceAccountTokens Membatasi penggunaan token akun layanan. Tidak
K8sRestrictLabels Melarang resource berisi label yang ditentukan kecuali ada pengecualian untuk resource tertentu. Tidak
K8sRestrictNamespaces Membatasi resource agar tidak menggunakan namespace yang tercantum di parameter restrictedNamespaces. Tidak
K8sRestrictNfsUrls Melarang resource berisi URL NFS kecuali jika ditentukan. Tidak
K8sRestrictRbacSubjects Membatasi penggunaan nama dalam subjek RBAC ke nilai yang diizinkan. Tidak
K8sRestrictRoleBindings Membatasi subjek yang ditentukan dalam ClusterRoleBindings dan RoleBindings ke daftar subjek yang diizinkan. Tidak
K8sRestrictRoleRules Membatasi aturan yang dapat ditetapkan pada objek Role dan ClusterRole. Tidak
K8sStorageClass Memerlukan kelas penyimpanan yang ditentukan saat digunakan. Hanya Gatekeeper 3.9+ dan container non-efemeral yang didukung. Ya
K8sUniqueIngressHost Mewajibkan semua host aturan Ingress harus unik. Tidak menangani karakter pengganti nama host: https://kubernetes.io/docs/concepts/services-networking/ingress/ Ya
K8sUniqueServiceSelector Layanan mengharuskan Layanan memiliki pemilih unik dalam namespace. Pemilih dianggap sama jika memiliki kunci dan nilai yang identik. Pemilih dapat menggunakan pasangan kunci/nilai yang sama selama ada minimal satu pasangan kunci/nilai yang berbeda di antara keduanya. https://kubernetes.io/docs/concepts/services-networking/service/#defining-a-service Ya
NoUpdateServiceAccount Memblokir update akun layanan pada resource yang abstrak di atas Pod. Kebijakan ini diabaikan dalam mode audit. Tidak
PolicyStrictOnly Mengharuskan TLS bersama Istio `STRICT` selalu ditentukan saat menggunakan [PeerAuthentication](https://istio.io/latest/docs/reference/config/security/peer_authentication/). Batasan ini juga memastikan bahwa [Policy](https://istio.io/v1.4/docs/reference/config/security/istio.authentication.v1alpha1/#Policy) dan resource MeshPolicy yang tidak digunakan lagi menerapkan TLS bersama `STRICT`. Lihat: https://istio.io/latest/docs/tasks/security/authentication/mtls-migration/#lock-down-mutual-tls-for-the-entire-mesh Tidak
RestrictNetworkExclusions Mengontrol port masuk, port keluar, dan rentang IP keluar mana yang dapat dikecualikan dari pengambilan jaringan Istio. Port dan rentang IP yang mengabaikan pengambilan jaringan Istio tidak ditangani oleh proxy Istio dan tidak tunduk pada autentikasi Istio mTLS, kebijakan otorisasi, dan fitur Istio lainnya. Batasan ini dapat digunakan untuk menerapkan batasan pada penggunaan anotasi berikut: * `traffic.sidecar.istio.io/excludeInboundPorts` * `traffic.sidecar.istio.io/excludeOutboundPorts` * `traffic.sidecar.istio.io/excludeOutboundIPRanges` Lihat https://istio.io/latest/docs/reference/config/annotations/. Saat membatasi rentang IP keluar, batasan tersebut menghitung apakah rentang IP yang dikecualikan cocok atau merupakan bagian dari pengecualian rentang IP yang diizinkan. Jika menggunakan batasan ini, semua port masuk, port keluar dan rentang IP keluar harus selalu disertakan dengan menyetel anotasi "sertakan" yang sesuai ke `"*"` atau tidak menyetelnya. Menetapkan salah satu anotasi berikut ke selain `"*"` tidak diizinkan: * `traffic.sidecar.istio.io/includeInboundPorts` * `traffic.sidecar.istio.io/includeOutboundPorts` * `traffic.sidecar.istio.io/includeOutboundIPRanges` Batasan ini selalu memungkinkan pengecualian port 15020. Tidak
SourceNotAllAuthz Aturan AuthorizationPolicy Istio harus memiliki akun utama sumber selain "*". https://istio.io/latest/docs/reference/config/security/authorization-policy/ Tidak
VerifyDeprecatedAPI Memverifikasi Kubernetes API yang tidak digunakan lagi untuk memastikan semua versi API sudah yang terbaru. Template ini tidak berlaku untuk audit saat audit melihat resource yang sudah ada di cluster dengan versi API yang masih belum dihentikan. Tidak

AllowedServicePortName

Nama Port Layanan yang Diizinkan v1.0.1

Mengharuskan nama port layanan memiliki awalan dari daftar yang ditentukan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AllowedServicePortName
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # prefixes <array>: Prefixes of allowed service port names.
    prefixes:
      - <string>

Contoh

port-name-constraint
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AllowedServicePortName
metadata:
  name: port-name-constraint
spec:
  enforcementAction: deny
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Service
  parameters:
    prefixes:
    - http-
    - http2-
    - grpc-
    - mongo-
    - redis-
    - tcp-
Diizinkan
apiVersion: v1
kind: Service
metadata:
  labels:
    app: helloworld
  name: port-name-http
spec:
  ports:
  - name: http-helloport
    port: 5000
  selector:
    app: helloworld
Tidak diizinkan
apiVersion: v1
kind: Service
metadata:
  labels:
    app: helloworld
  name: port-name-tcp
spec:
  ports:
  - name: foo-helloport
    port: 5000
  selector:
    app: helloworld
apiVersion: v1
kind: Service
metadata:
  labels:
    app: helloworld
  name: port-name-bad
spec:
  ports:
  - name: helloport
    port: 5000
  selector:
    app: helloworld

AsmAuthzPolicyDefaultDeny

Penolakan Default ASM AuthorizationPolicy v1.0.4

Terapkan AuthorizationPolicy default tingkat mesh. Referensi terkait https://istio.io/latest/docs/ops/best-practices/security/#use-default-deny-patterns.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyDefaultDeny
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # rootNamespace <string>: Anthos Service Mesh root namespace, default value
    # is "istio-system" if not specified.
    rootNamespace: <string>
    # strictnessLevel <string>: Level of AuthorizationPolicy strictness.
    # Allowed Values: Low, High
    strictnessLevel: <string>

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: "security.istio.io"
        version: "v1beta1"
        kind: "AuthorizationPolicy"

Contoh

asm-authz-policy-default-deny-with-input-constraint
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyDefaultDeny
metadata:
  name: asm-authz-policy-default-deny-with-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    rootNamespace: istio-system
    strictnessLevel: High
Diizinkan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyDefaultDeny
metadata:
  name: asm-authz-policy-default-deny-with-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    rootNamespace: istio-system
    strictnessLevel: High
---
# Referential Data
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: default-deny-no-action
  namespace: istio-system
spec: null
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyDefaultDeny
metadata:
  name: asm-authz-policy-default-deny-with-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    rootNamespace: istio-system
    strictnessLevel: High
---
# Referential Data
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: default-deny-with-action
  namespace: istio-system
spec:
  action: ALLOW
Tidak diizinkan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyDefaultDeny
metadata:
  name: asm-authz-policy-default-deny-with-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    rootNamespace: istio-system
    strictnessLevel: High
---
# Referential Data
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: not-default-deny
  namespace: istio-system
spec:
  action: DENY
  rules:
  - to:
    - operation:
        notMethods:
        - GET
        - POST
asm-authz-policy-default-deny-no-input-constraint
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyDefaultDeny
metadata:
  name: asm-authz-policy-default-deny-no-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    strictnessLevel: High
Diizinkan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyDefaultDeny
metadata:
  name: asm-authz-policy-default-deny-no-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    strictnessLevel: High
---
# Referential Data
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: default-deny-no-action
  namespace: istio-system
spec: null
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyDefaultDeny
metadata:
  name: asm-authz-policy-default-deny-no-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    strictnessLevel: High
---
# Referential Data
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: default-deny-with-action
  namespace: istio-system
spec:
  action: ALLOW
Tidak diizinkan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyDefaultDeny
metadata:
  name: asm-authz-policy-default-deny-no-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    strictnessLevel: High
---
# Referential Data
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: not-default-deny
  namespace: istio-system
spec:
  action: DENY
  rules:
  - to:
    - operation:
        notMethods:
        - GET
        - POST

AsmAuthzPolicyDisallowedPrefix

Awalan yang Tidak Diizinkan ASM AuthorizationPolicy v1.0.2

Prinsip dasar dan namespace dalam aturan AuthorizationPolicy Istio tidak memiliki awalan dari daftar yang ditentukan. https://istio.io/latest/docs/reference/config/security/authorization-policy/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyDisallowedPrefix
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # disallowedNamespacePrefixes <array>: Disallowed prefixes for namespaces.
    disallowedNamespacePrefixes:
      - <string>
    # disallowedPrincipalPrefixes <array>: Disallowed prefixes for principals.
    disallowedPrincipalPrefixes:
      - <string>

Contoh

asm-authz-policy-disallowed-prefix-constraint
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyDisallowedPrefix
metadata:
  name: asm-authz-policy-disallowed-prefix-constraint
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - security.istio.io
      kinds:
      - AuthorizationPolicy
  parameters:
    disallowedNamespacePrefixes:
    - bad-ns-prefix
    - worse-ns-prefix
    disallowedPrincipalPrefixes:
    - bad-principal-prefix
    - worse-principal-prefix
Diizinkan
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: valid-authz-policy
spec:
  rules:
  - from:
    - source:
        principals:
        - cluster.local/ns/default/sa/sleep
    - source:
        namespaces:
        - test
  selector:
    matchLabels:
      app: httpbin
Tidak diizinkan
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: bad-source-principal
spec:
  rules:
  - from:
    - source:
        principals:
        - cluster.local/ns/default/sa/worse-principal-prefix-sleep
    - source:
        namespaces:
        - test
  selector:
    matchLabels:
      app: httpbin
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: bad-source-namespace
spec:
  rules:
  - from:
    - source:
        principals:
        - cluster.local/ns/default/sa/sleep
    - source:
        namespaces:
        - bad-ns-prefix-test
  selector:
    matchLabels:
      app: httpbin

AsmAuthzPolicyEnforceSourcePrincipals

ASM AuthorizationPolicy Principals v1.0.2

Memerlukan kolom "from" Istio AuthorizationPolicy, jika ditentukan, memiliki prinsip sumber, yang harus ditetapkan ke nilai selain "*". https://istio.io/latest/docs/reference/config/security/authorization-policy/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyEnforceSourcePrincipals
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

asm-authz-policy-enforce-source-principals-constraint
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyEnforceSourcePrincipals
metadata:
  name: asm-authz-policy-enforce-source-principals-constraint
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - security.istio.io
      kinds:
      - AuthorizationPolicy
Diizinkan
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: valid-authz-policy
spec:
  rules:
  - from:
    - source:
        principals:
        - cluster.local/ns/default/sa/sleep
    - source:
        namespaces:
        - test
    to:
    - operation:
        methods:
        - GET
        paths:
        - /info*
    - operation:
        methods:
        - POST
        paths:
        - /data
    when:
    - key: request.auth.claims[iss]
      values:
      - https://accounts.google.com
  selector:
    matchLabels:
      app: httpbin
Tidak diizinkan
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: no-source-principals
spec:
  rules:
  - from:
    - source:
        namespaces:
        - test
    to:
    - operation:
        methods:
        - GET
        paths:
        - /info*
    - operation:
        methods:
        - POST
        paths:
        - /data
    when:
    - key: request.auth.claims[iss]
      values:
      - https://accounts.google.com
  selector:
    matchLabels:
      app: httpbin
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: source-principals-wildcard
spec:
  rules:
  - from:
    - source:
        principals:
        - '*'
    - source:
        namespaces:
        - test
    to:
    - operation:
        methods:
        - GET
        paths:
        - /info*
    - operation:
        methods:
        - POST
        paths:
        - /data
    when:
    - key: request.auth.claims[iss]
      values:
      - https://accounts.google.com
  selector:
    matchLabels:
      app: httpbin
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: source-principals-contains-wildcard
spec:
  rules:
  - from:
    - source:
        principals:
        - cluster.local/ns/default/sa/sleep
        - '*'
    - source:
        namespaces:
        - test
    to:
    - operation:
        methods:
        - GET
        paths:
        - /info*
    - operation:
        methods:
        - POST
        paths:
        - /data
    when:
    - key: request.auth.claims[iss]
      values:
      - https://accounts.google.com
  selector:
    matchLabels:
      app: httpbin

AsmAuthzPolicyNormalization

ASM AuthorizationPolicy Normalization v1.0.2

Menerapkan normalisasi AuthorizationPolicy. Referensi ke https://istio.io/latest/docs/reference/config/security/normalization/.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyNormalization
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

asm-authz-policy-normalization-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicyNormalization
metadata:
  name: asm-authz-policy-normalization-sample
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - security.istio.io
      kinds:
      - AuthorizationPolicy
Diizinkan
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: good-authz-policy
spec:
  action: ALLOW
  rules:
  - to:
    - operation:
        methods:
        - GET
        paths:
        - /test/foo
  - when:
    - key: source.ip
      values:
      - 10.1.2.3
      - 10.2.0.0/16
    - key: request.headers[User-Agent]
      values:
      - Mozilla/*
  selector:
    matchLabels:
      app: httpbin
Tidak diizinkan
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: bad-method-lowercase
spec:
  action: ALLOW
  rules:
  - to:
    - operation:
        methods:
        - get
  selector:
    matchLabels:
      app: httpbin
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: bad-request-header-whitespace
spec:
  action: ALLOW
  rules:
  - to:
    - operation:
        methods:
        - GET
  - when:
    - key: source.ip
      values:
      - 10.1.2.3
      - 10.2.0.0/16
    - key: request.headers[User-Ag ent]
      values:
      - Mozilla/*
  selector:
    matchLabels:
      app: httpbin
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: path-unnormalized
spec:
  action: ALLOW
  rules:
  - to:
    - operation:
        methods:
        - GET
        paths:
        - /test\/foo
  - when:
    - key: source.ip
      values:
      - 10.1.2.3
      - 10.2.0.0/16
    - key: request.headers[User-Agent]
      values:
      - Mozilla/*
  selector:
    matchLabels:
      app: httpbin

AsmAuthzPolicySafePattern

Pola Aman ASM AuthorizationPolicy v1.0.4

Terapkan pola aman AuthorizationPolicy. Referensi terkait https://istio.io/latest/docs/ops/best-practices/security/#safer-authorization-policy-patterns.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicySafePattern
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # strictnessLevel <string>: Level of AuthorizationPolicy strictness.
    # Allowed Values: Low, High
    strictnessLevel: <string>

Contoh

asm-authz-policy-safe-pattern-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmAuthzPolicySafePattern
metadata:
  name: asm-authz-policy-safe-pattern-sample
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - security.istio.io
      kinds:
      - AuthorizationPolicy
  parameters:
    strictnessLevel: High
Diizinkan
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: good-authz-policy-istio-ingress
spec:
  action: ALLOW
  rules:
  - to:
    - operation:
        hosts:
        - test.com
        - test.com:*
        methods:
        - GET
  selector:
    matchLabels:
      istio: ingressgateway
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: good-authz-policy-asm-ingress
spec:
  action: ALLOW
  rules:
  - to:
    - operation:
        hosts:
        - test.com
        - test.com:*
        methods:
        - GET
  selector:
    matchLabels:
      asm: ingressgateway
Tidak diizinkan
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: hosts-on-noningress
spec:
  action: ALLOW
  rules:
  - to:
    - operation:
        hosts:
        - test.com
        - test.com:*
        methods:
        - GET
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: invalid-hosts
spec:
  action: ALLOW
  rules:
  - to:
    - operation:
        hosts:
        - test.com
        methods:
        - GET
  selector:
    matchLabels:
      istio: ingressgateway
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: allow-negative-match
spec:
  action: ALLOW
  rules:
  - to:
    - operation:
        hosts:
        - test.com
        - test.com:*
        notMethods:
        - GET
  selector:
    matchLabels:
      istio: ingressgateway
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: deny-positive-match
spec:
  action: DENY
  rules:
  - to:
    - operation:
        hosts:
        - test.com
        - test.com:*
        methods:
        - GET
  selector:
    matchLabels:
      istio: ingressgateway

AsmIngressgatewayLabel

Label Gateway Ingress ASM v1.0.3

Terapkan penggunaan label istio ingressgateway hanya pada pod ingressgateway.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmIngressgatewayLabel
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

asm-ingressgateway-label-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmIngressgatewayLabel
metadata:
  name: asm-ingressgateway-label-sample
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: sleep
    istio: istio
  name: sleep
spec:
  containers:
  - image: curlimages/curl
    name: sleep
  - image: gcr.io/gke-release/asm/proxyv2:release
    name: istio-proxy
    ports:
    - containerPort: 15090
      name: http-envoy-prom
      protocol: TCP
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: istio-ingressgateway
    istio: ingressgateway
  name: istio-ingressgateway
spec:
  containers:
  - image: gcr.io/gke-release/asm/proxyv2:release
    name: istio-proxy
    ports:
    - containerPort: 15090
      name: http-envoy-prom
      protocol: TCP
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: asm-ingressgateway
    asm: ingressgateway
  name: asm-ingressgateway
spec:
  containers:
  - image: gcr.io/gke-release/asm/proxyv2:release
    name: istio-proxy
    ports:
    - containerPort: 15090
      name: http-envoy-prom
      protocol: TCP
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: sleep
    istio: ingressgateway
  name: sleep
spec:
  containers:
  - image: curlimages/curl
    name: sleep
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: sleep
    asm: ingressgateway
  name: sleep
spec:
  containers:
  - image: curlimages/curl
    name: sleep
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: sleep
    istio: ingressgateway
  name: sleep
spec:
  containers:
  - image: curlimages/curl
    name: sleep
  - image: gcr.io/gke-release/asm/proxyv2:release
    name: istio-proxy
    ports:
    - containerPort: 15090
      name: http-envoy-prom
      protocol: TCP

AsmPeerAuthnMeshStrictMtls

ASM Peer Authentication Mesh Strict mTLS v1.0.4

Terapkan mtls tingkat mesh yang ketat PeerAuthentication. Referensi terkait https://istio.io/latest/docs/ops/best-practices/security/#mutual-tls.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmPeerAuthnMeshStrictMtls
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # rootNamespace <string>: Anthos Service Mesh root namespace, default value
    # is "istio-system" if not specified.
    rootNamespace: <string>
    # strictnessLevel <string>: Level of PeerAuthentication strictness.
    # Allowed Values: Low, High
    strictnessLevel: <string>

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: "security.istio.io"
        version: "v1beta1"
        kind: "PeerAuthentication"

Contoh

asm-peer-authn-mesh-strict-mtls-with-input-constraint
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmPeerAuthnMeshStrictMtls
metadata:
  name: asm-peer-authn-mesh-strict-mtls-with-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    rootNamespace: asm-root
    strictnessLevel: High
Diizinkan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmPeerAuthnMeshStrictMtls
metadata:
  name: asm-peer-authn-mesh-strict-mtls-with-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    rootNamespace: asm-root
    strictnessLevel: High
---
# Referential Data
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: mesh-strict-mtls
  namespace: asm-root
spec:
  mtls:
    mode: STRICT
Tidak diizinkan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmPeerAuthnMeshStrictMtls
metadata:
  name: asm-peer-authn-mesh-strict-mtls-with-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    rootNamespace: asm-root
    strictnessLevel: High
---
# Referential Data
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: mesh-permissive-mtls
  namespace: asm-root
spec:
  mtls:
    mode: PERMISSIVE
asm-peer-authn-mesh-strict-mtls-no-input-constraint
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmPeerAuthnMeshStrictMtls
metadata:
  name: asm-peer-authn-mesh-strict-mtls-no-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    strictnessLevel: High
Diizinkan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmPeerAuthnMeshStrictMtls
metadata:
  name: asm-peer-authn-mesh-strict-mtls-no-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    strictnessLevel: High
---
# Referential Data
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: mesh-strict-mtls
  namespace: istio-system
spec:
  mtls:
    mode: STRICT
Tidak diizinkan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmPeerAuthnMeshStrictMtls
metadata:
  name: asm-peer-authn-mesh-strict-mtls-no-input-constraint
spec:
  enforcementAction: dryrun
  parameters:
    strictnessLevel: High
---
# Referential Data
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: mesh-permissive-mtls
  namespace: istio-system
spec:
  mtls:
    mode: PERMISSIVE

AsmPeerAuthnStrictMtls

ASM Peer Authentication Strict mTLS v1.0.3

Terapkan semua PeerAuthentications tidak dapat menimpa mtls yang ketat. Referensi terkait https://istio.io/latest/docs/ops/best-practices/security/#mutual-tls.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmPeerAuthnStrictMtls
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # strictnessLevel <string>: Level of PeerAuthentication strictness.
    # Allowed Values: Low, High
    strictnessLevel: <string>

Contoh

asm-peer-authn-strict-mtls-constraint
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmPeerAuthnStrictMtls
metadata:
  name: asm-peer-authn-strict-mtls-constraint
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - security.istio.io
      kinds:
      - PeerAuthentication
  parameters:
    strictnessLevel: High
Diizinkan
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: valid-strict-mtls-pa
  namespace: foo
spec:
  mtls:
    mode: UNSET
  portLevelMtls:
    "80":
      mode: UNSET
    "443":
      mode: STRICT
  selector:
    matchLabels:
      app: bar
Tidak diizinkan
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: invalid-permissive-mtls-pa
  namespace: foo
spec:
  mtls:
    mode: PERMISSIVE
  portLevelMtls:
    "80":
      mode: UNSET
    "443":
      mode: STRICT
  selector:
    matchLabels:
      app: bar
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: invalid-port-disable-mtls-pa
  namespace: foo
spec:
  mtls:
    mode: UNSET
  portLevelMtls:
    "80":
      mode: DISABLE
    "443":
      mode: STRICT
  selector:
    matchLabels:
      app: bar

AsmRequestAuthnProhibitedOutputHeaders

Header Output Terlarang ASM RequestAuthentication v1.0.2

Di RequestAuthentication, terapkan kolom jwtRules.outPayloadToHeader agar tidak berisi header permintaan HTTP yang dikenal atau header kustom yang dilarang. Referensi ke https://istio.io/latest/docs/reference/config/security/jwt/#JWTRule.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmRequestAuthnProhibitedOutputHeaders
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # prohibitedHeaders <array>: User predefined prohibited headers.
    prohibitedHeaders:
      - <string>

Contoh

asm-request-authn-prohibited-output-headers-constraint
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmRequestAuthnProhibitedOutputHeaders
metadata:
  name: asm-request-authn-prohibited-output-headers-constraint
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - security.istio.io
      kinds:
      - RequestAuthentication
  parameters:
    prohibitedHeaders:
    - Bad-Header
    - X-Bad-Header
Diizinkan
apiVersion: security.istio.io/v1beta1
kind: RequestAuthentication
metadata:
  name: valid-request-authn
  namespace: istio-system
spec:
  jwtRules:
  - issuer: example.com
    outputPayloadToHeader: Good-Header
  selector:
    matchLabels:
      app: istio-ingressgateway
Tidak diizinkan
apiVersion: security.istio.io/v1beta1
kind: RequestAuthentication
metadata:
  name: deny-predefined-output-header
  namespace: istio-system
spec:
  jwtRules:
  - issuer: example.com
    outputPayloadToHeader: Host
  selector:
    matchLabels:
      app: istio-ingressgateway
apiVersion: security.istio.io/v1beta1
kind: RequestAuthentication
metadata:
  name: deny-predefined-output-header
  namespace: istio-system
spec:
  jwtRules:
  - issuer: example.com
    outputPayloadToHeader: X-Bad-Header
  selector:
    matchLabels:
      app: istio-ingressgateway

AsmSidecarInjection

Injeksi ASM Sidecar v1.0.2

Terapkan file bantuan proxy istio selalu dimasukkan ke pod workload.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmSidecarInjection
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # strictnessLevel <string>: Level of sidecar injection strictness.
    # Allowed Values: Low, High
    strictnessLevel: <string>

Contoh

asm-sidecar-injection-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: AsmSidecarInjection
metadata:
  name: asm-sidecar-injection-sample
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    strictnessLevel: High
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  annotations:
    sidecar.istio.io/inject: "true"
  name: sleep
spec:
  containers:
  - image: curlimages/curl
    name: sleep
  - image: gcr.io/gke-release/asm/proxyv2:release
    name: istio-proxy
    ports:
    - containerPort: 15090
      name: http-envoy-prom
      protocol: TCP
apiVersion: v1
kind: Pod
metadata:
  annotations:
    "false": "false"
  name: sleep
spec:
  containers:
  - image: curlimages/curl
    name: sleep
  - image: gcr.io/gke-release/asm/proxyv2:release
    name: istio-proxy
    ports:
    - containerPort: 15090
      name: http-envoy-prom
      protocol: TCP
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  annotations:
    sidecar.istio.io/inject: "false"
  name: sleep
spec:
  containers:
  - image: curlimages/curl
    name: sleep

DestinationRuleTLSEnabled

Aturan Tujuan Diaktifkan TLS v1.0.1

Melarang penonaktifan TLS untuk semua host dan subset host di Istio DestinationRules.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: DestinationRuleTLSEnabled
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

dr-tls-enabled
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: DestinationRuleTLSEnabled
metadata:
  name: dr-tls-enabled
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - networking.istio.io
      kinds:
      - DestinationRule
Tidak diizinkan
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: dr-subset-tls-disable
  namespace: default
spec:
  host: myservice
  subsets:
  - name: v1
    trafficPolicy:
      tls:
        mode: DISABLE
  - name: v2
    trafficPolicy:
      tls:
        mode: SIMPLE
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: dr-traffic-tls-disable
  namespace: default
spec:
  host: myservice
  trafficPolicy:
    tls:
      mode: DISABLE

DisallowedAuthzPrefix

Melarang Awalan Istio AuthorizationPolicy v1.0.2

Prinsip dasar dan namespace dalam aturan AuthorizationPolicy Istio tidak memiliki awalan dari daftar yang ditentukan. https://istio.io/latest/docs/reference/config/security/authorization-policy/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: DisallowedAuthzPrefix
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # disallowedprefixes <array>: Disallowed prefixes of principals and
    # namespaces.
    disallowedprefixes:
      - <string>

Contoh

disallowed-authz-prefix-constraint
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: DisallowedAuthzPrefix
metadata:
  name: disallowed-authz-prefix-constraint
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - security.istio.io
      kinds:
      - AuthorizationPolicy
  parameters:
    disallowedprefixes:
    - badprefix
    - reallybadprefix
Diizinkan
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: good
  namespace: foo
spec:
  rules:
  - from:
    - source:
        principals:
        - cluster.local/ns/default/sa/sleep
    - source:
        namespaces:
        - test
    to:
    - operation:
        methods:
        - GET
        paths:
        - /info*
    - operation:
        methods:
        - POST
        paths:
        - /data
    when:
    - key: request.auth.claims[iss]
      values:
      - https://accounts.google.com
  selector:
    matchLabels:
      app: httpbin
      version: v1
Tidak diizinkan
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: bad-source-principal
  namespace: foo
spec:
  rules:
  - from:
    - source:
        principals:
        - cluster.local/ns/default/sa/badprefix-sleep
    - source:
        namespaces:
        - test
    to:
    - operation:
        methods:
        - GET
        paths:
        - /info*
    - operation:
        methods:
        - POST
        paths:
        - /data
    when:
    - key: request.auth.claims[iss]
      values:
      - https://accounts.google.com
  selector:
    matchLabels:
      app: httpbin
      version: v1
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: bad-source-namespace
  namespace: foo
spec:
  rules:
  - from:
    - source:
        principals:
        - cluster.local/ns/default/sa/sleep
    - source:
        namespaces:
        - badprefix-test
    to:
    - operation:
        methods:
        - GET
        paths:
        - /info*
    - operation:
        methods:
        - POST
        paths:
        - /data
    when:
    - key: request.auth.claims[iss]
      values:
      - https://accounts.google.com
  selector:
    matchLabels:
      app: httpbin
      version: v1

GCPStorageLocationConstraintV1

Batasan Lokasi Penyimpanan GCP v1.0.3

Membatasi locations yang diizinkan untuk resource StorageBucket Config Connector ke daftar lokasi yang disediakan dalam batasan. Nama bucket dalam daftar exemptions dikecualikan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: GCPStorageLocationConstraintV1
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptions <array>: A list of bucket names that are exempt from this
    # constraint.
    exemptions:
      - <string>
    # locations <array>: A list of locations that a bucket is permitted to
    # have.
    locations:
      - <string>

Contoh

singapore-and-jakarta-only
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: GCPStorageLocationConstraintV1
metadata:
  name: singapore-and-jakarta-only
spec:
  enforcementAction: deny
  match:
    kinds:
    - apiGroups:
      - storage.cnrm.cloud.google.com
      kinds:
      - StorageBucket
  parameters:
    exemptions:
    - my_project_id_cloudbuild
    locations:
    - asia-southeast1
    - asia-southeast2
Diizinkan
apiVersion: storage.cnrm.cloud.google.com/v1beta1
kind: StorageBucket
metadata:
  name: bucket-in-permitted-location
spec:
  location: asia-southeast1
Tidak diizinkan
apiVersion: storage.cnrm.cloud.google.com/v1beta1
kind: StorageBucket
metadata:
  name: bucket-in-disallowed-location
spec:
  location: us-central1
apiVersion: storage.cnrm.cloud.google.com/v1beta1
kind: StorageBucket
metadata:
  name: bucket-without-specific-location
spec: null

GkeSpotVMTerminationGrace

Membatasi penghentianGracePeriodSeconds untuk GKE Spot VM v1.1.3

Memerlukan Pod dan Template Pod dengan nodeSelector atau nodeAfffinty dari gke-spot agar memiliki terminationGracePeriodSeconds berdurasi 15 detik atau kurang.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: GkeSpotVMTerminationGrace
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # includePodOnSpotNodes <boolean>: Require `terminationGracePeriodSeconds`
    # of 15s or less for all `Pod` on a `gke-spot` Node.
    includePodOnSpotNodes: <boolean>

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: ""
        version: "v1"
        kind: "Node"

Contoh

spotvm-termination-grace
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: GkeSpotVMTerminationGrace
metadata:
  name: spotvm-termination-grace
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    includePodOnSpotNodes: true
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: example-allowed
spec:
  containers:
  - image: nginx
    name: nginx
  nodeSelector:
    cloud.google.com/gke-spot: "true"
  terminationGracePeriodSeconds: 15
apiVersion: v1
kind: Pod
metadata:
  name: example-allowed
spec:
  containers:
  - image: nginx
    name: nginx
  nodeSelector:
    cloud.google.com/gke-spot: "true"
  terminationGracePeriodSeconds: 15
apiVersion: v1
kind: Pod
metadata:
  name: example-with-termGrace
spec:
  Nodename: default
  containers:
  - image: nginx
    name: nginx
  terminationGracePeriodSeconds: 15
---
# Referential Data
apiVersion: v1
kind: Node
metadata:
  labels:
    cloud.google.com/gke-spot: "true"
  name: default
apiVersion: v1
kind: Pod
metadata:
  name: example-with-termGrace
spec:
  Nodename: default
  containers:
  - image: nginx
    name: nginx
  terminationGracePeriodSeconds: 15
---
# Referential Data
apiVersion: v1
kind: Node
metadata:
  name: default
apiVersion: v1
kind: Pod
metadata:
  name: example-without-termGrace
spec:
  Nodename: default
  containers:
  - image: nginx
    name: nginx
---
# Referential Data
apiVersion: v1
kind: Node
metadata:
  name: default
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: example-disallowed
spec:
  affinity:
    nodeAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
        nodeSelectorTerms:
        - matchExpressions:
          - key: cloud.google.com/gke-spot
            operator: In
            values:
            - "true"
  containers:
  - image: nginx
    name: nginx
  terminationGracePeriodSeconds: 30
apiVersion: v1
kind: Pod
metadata:
  name: example-disallowed
spec:
  affinity:
    nodeAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
        nodeSelectorTerms:
        - matchExpressions:
          - key: cloud.google.com/gke-spot
            operator: In
            values:
            - "true"
  containers:
  - image: nginx
    name: nginx
apiVersion: v1
kind: Pod
metadata:
  name: example-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
  nodeSelector:
    cloud.google.com/gke-spot: "true"
  terminationGracePeriodSeconds: 30
apiVersion: v1
kind: Pod
metadata:
  name: example-disallowed
spec:
  affinity:
    nodeAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
        nodeSelectorTerms:
        - matchExpressions:
          - key: cloud.google.com/gke-spot
            operator: In
            values:
            - "true"
  containers:
  - image: nginx
    name: nginx
apiVersion: v1
kind: Pod
metadata:
  name: example-without-termGrace
spec:
  Nodename: default
  containers:
  - image: nginx
    name: nginx
---
# Referential Data
apiVersion: v1
kind: Node
metadata:
  labels:
    cloud.google.com/gke-spot: "true"
  name: default

K8sAllowedRepos

Repositori v1.0.1 yang Diizinkan

Mewajibkan image container untuk memulai dengan string dari daftar yang ditentukan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sAllowedRepos
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # repos <array>: The list of prefixes a container image is allowed to have.
    repos:
      - <string>

Contoh

repo-is-openpolicyagent
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sAllowedRepos
metadata:
  name: repo-is-openpolicyagent
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
    namespaces:
    - default
  parameters:
    repos:
    - openpolicyagent/
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: opa-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        memory: 30Mi
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: nginx-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        cpu: 100m
        memory: 30Mi
apiVersion: v1
kind: Pod
metadata:
  name: nginx-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        memory: 30Mi
  initContainers:
  - image: nginx
    name: nginxinit
    resources:
      limits:
        cpu: 100m
        memory: 30Mi
apiVersion: v1
kind: Pod
metadata:
  name: nginx-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        cpu: 100m
        memory: 30Mi
  initContainers:
  - image: nginx
    name: nginxinit
    resources:
      limits:
        cpu: 100m
        memory: 30Mi
apiVersion: v1
kind: Pod
metadata:
  name: nginx-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        cpu: 100m
        memory: 30Mi
  ephemeralContainers:
  - image: nginx
    name: nginx
    resources:
      limits:
        cpu: 100m
        memory: 30Mi
  initContainers:
  - image: nginx
    name: nginx
    resources:
      limits:
        cpu: 100m
        memory: 30Mi

K8sAvoidUseOfSystemMastersGroup

Melarang penggunaan grup 'system:masters' v1.0.0

Melarang penggunaan grup 'system:masters'. Tidak berpengaruh selama audit.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sAvoidUseOfSystemMastersGroup
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowlistedUsernames <array>: allowlistedUsernames is the list of
    # usernames that are allowed to use system:masters group.
    allowlistedUsernames:
      - <string>

Contoh

avoid-use-of-system-masters-group
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sAvoidUseOfSystemMastersGroup
metadata:
  name: avoid-use-of-system-masters-group
Diizinkan
apiVersion: v1
kind: Namespace
metadata:
  name: example-namespace

K8sBlockAllIngress

Memblokir semua Ingress v1.0.4

Melarang pembuatan objek Ingress (jenis Ingress, Gateway, dan Service dari NodePort dan LoadBalancer).

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockAllIngress
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowList <array>: A list of regular expressions for the Ingress object
    # names that are exempt from the constraint.
    allowList:
      - <string>

Contoh

block-all-ingress
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockAllIngress
metadata:
  name: block-all-ingress
spec:
  enforcementAction: dryrun
  parameters:
    allowList:
    - name1
    - name2
    - name3
    - my-*
Diizinkan
apiVersion: v1
kind: Service
metadata:
  name: my-service
spec:
  ports:
  - port: 80
    protocol: TCP
    targetPort: 9376
  selector:
    app.kubernetes.io/name: MyApp
  type: LoadBalancer
apiVersion: v1
kind: Service
metadata:
  name: allowed-clusterip-service-example
spec:
  ports:
  - port: 80
    protocol: TCP
    targetPort: 9376
  selector:
    app.kubernetes.io/name: MyApp
  type: ClusterIP
Tidak diizinkan
apiVersion: v1
kind: Service
metadata:
  name: disallowed-service-example
spec:
  ports:
  - port: 80
    protocol: TCP
    targetPort: 9376
  selector:
    app.kubernetes.io/name: MyApp
  type: LoadBalancer
apiVersion: v1
kind: Service
metadata:
  name: disallowed-service-example
spec:
  ports:
  - port: 80
    protocol: TCP
    targetPort: 9376
  selector:
    app.kubernetes.io/name: MyApp
  type: LoadBalancer
apiVersion: gateway.networking.k8s.io/v1
kind: Gateway
metadata:
  name: disallowed-gateway-example
spec:
  gatewayClassName: istio
  listeners:
  - allowedRoutes:
      namespaces:
        from: All
    hostname: '*.example.com'
    name: default
    port: 80
    protocol: HTTP

K8sBlockCreationWithDefaultServiceAccount

Blokir Pembuatan dengan Akun Layanan Default v1.0.2

Melarang pembuatan resource menggunakan akun layanan default. Tidak berpengaruh selama audit.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockCreationWithDefaultServiceAccount
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

block-creation-with-default-serviceaccount
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockCreationWithDefaultServiceAccount
metadata:
  name: block-creation-with-default-serviceaccount
spec:
  enforcementAction: dryrun
Diizinkan
apiVersion: v1
kind: Namespace
metadata:
  name: example-namespace

K8sBlockEndpointEditDefaultRole

Memblokir Peran Default Edit Endpoint v1.0.0

Banyak penginstalan Kubernetes secara default memiliki system:aggregate-to-edit ClusterRole yang tidak membatasi akses dengan benar untuk mengedit Endpoint. ConstraintTemplate ini melarang system:aggregate-to-edit ClusterRole memberikan izin untuk membuat/patch/memperbarui Endpoint. ClusterRole/system:aggregate-to-edit tidak boleh mengizinkan izin edit Endpoint karena CVE-2021-25740, izin Endpoint & EndpointSlice memungkinkan penerusan lintas Namespace, https://github.com/kubernetes/kubernetes/issues/103675

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockEndpointEditDefaultRole
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

block-endpoint-edit-default-role
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockEndpointEditDefaultRole
metadata:
  name: block-endpoint-edit-default-role
spec:
  match:
    kinds:
    - apiGroups:
      - rbac.authorization.k8s.io
      kinds:
      - ClusterRole
Diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  annotations:
    rbac.authorization.kubernetes.io/autoupdate: "true"
  labels:
    kubernetes.io/bootstrapping: rbac-defaults
    rbac.authorization.k8s.io/aggregate-to-edit: "true"
  name: system:aggregate-to-edit
rules:
- apiGroups:
  - ""
  resources:
  - pods/attach
  - pods/exec
  - pods/portforward
  - pods/proxy
  - secrets
  - services/proxy
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - ""
  resources:
  - serviceaccounts
  verbs:
  - impersonate
- apiGroups:
  - ""
  resources:
  - pods
  - pods/attach
  - pods/exec
  - pods/portforward
  - pods/proxy
  verbs:
  - create
  - delete
  - deletecollection
  - patch
  - update
- apiGroups:
  - ""
  resources:
  - configmaps
  - persistentvolumeclaims
  - replicationcontrollers
  - replicationcontrollers/scale
  - secrets
  - serviceaccounts
  - services
  - services/proxy
  verbs:
  - create
  - delete
  - deletecollection
  - patch
  - update
- apiGroups:
  - apps
  resources:
  - daemonsets
  - deployments
  - deployments/rollback
  - deployments/scale
  - replicasets
  - replicasets/scale
  - statefulsets
  - statefulsets/scale
  verbs:
  - create
  - delete
  - deletecollection
  - patch
  - update
- apiGroups:
  - autoscaling
  resources:
  - horizontalpodautoscalers
  verbs:
  - create
  - delete
  - deletecollection
  - patch
  - update
- apiGroups:
  - batch
  resources:
  - cronjobs
  - jobs
  verbs:
  - create
  - delete
  - deletecollection
  - patch
  - update
- apiGroups:
  - extensions
  resources:
  - daemonsets
  - deployments
  - deployments/rollback
  - deployments/scale
  - ingresses
  - networkpolicies
  - replicasets
  - replicasets/scale
  - replicationcontrollers/scale
  verbs:
  - create
  - delete
  - deletecollection
  - patch
  - update
- apiGroups:
  - policy
  resources:
  - poddisruptionbudgets
  verbs:
  - create
  - delete
  - deletecollection
  - patch
  - update
- apiGroups:
  - networking.k8s.io
  resources:
  - ingresses
  - networkpolicies
  verbs:
  - create
  - delete
  - deletecollection
  - patch
  - update
Tidak diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  annotations:
    rbac.authorization.kubernetes.io/autoupdate: "true"
  labels:
    kubernetes.io/bootstrapping: rbac-defaults
    rbac.authorization.k8s.io/aggregate-to-edit: "true"
  name: system:aggregate-to-edit
rules:
- apiGroups:
  - ""
  resources:
  - pods/attach
  - pods/exec
  - pods/portforward
  - pods/proxy
  - secrets
  - services/proxy
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - ""
  resources:
  - serviceaccounts
  verbs:
  - impersonate
- apiGroups:
  - ""
  resources:
  - pods
  - pods/attach
  - pods/exec
  - pods/portforward
  - pods/proxy
  verbs:
  - create
  - delete
  - deletecollection
  - patch
  - update
- apiGroups:
  - ""
  resources:
  - configmaps
  - persistentvolumeclaims
  - replicationcontrollers
  - replicationcontrollers/scale
  - secrets
  - serviceaccounts
  - services
  - services/proxy
  verbs:
  - create
  - delete
  - deletecollection
  - patch
  - update
- apiGroups:
  - apps
  resources:
  - daemonsets
  - deployments
  - deployments/rollback
  - deployments/scale
  - endpoints
  - replicasets
  - replicasets/scale
  - statefulsets
  - statefulsets/scale
  verbs:
  - create
  - delete
  - deletecollection
  - patch
  - update

K8sBlockLoadBalancer

Memblokir Layanan dengan jenis LoadBalancer v1.0.0

Melarang semua Layanan dengan jenis LoadBalancer. https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockLoadBalancer
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

block-load-balancer
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockLoadBalancer
metadata:
  name: block-load-balancer
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Service
Diizinkan
apiVersion: v1
kind: Service
metadata:
  name: my-service-allowed
spec:
  ports:
  - port: 80
    targetPort: 80
  type: ClusterIP
Tidak diizinkan
apiVersion: v1
kind: Service
metadata:
  name: my-service-disallowed
spec:
  ports:
  - nodePort: 30007
    port: 80
    targetPort: 80
  type: LoadBalancer

K8sBlockNodePort

Memblokir NodePort v1.0.0

Melarang semua Layanan dengan jenis NodePort. https://kubernetes.io/docs/concepts/services-networking/service/#nodeport

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockNodePort
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

block-node-port
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockNodePort
metadata:
  name: block-node-port
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Service
Tidak diizinkan
apiVersion: v1
kind: Service
metadata:
  name: my-service-disallowed
spec:
  ports:
  - nodePort: 30007
    port: 80
    targetPort: 80
  type: NodePort

K8sBlockObjectsOfType

Objek Blok Jenis v1.0.1

Melarang objek dari jenis yang dilarang.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockObjectsOfType
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    forbiddenTypes:
      - <string>

Contoh

block-secrets-of-type-basic-auth
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockObjectsOfType
metadata:
  name: block-secrets-of-type-basic-auth
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Secret
  parameters:
    forbiddenTypes:
    - kubernetes.io/basic-auth
Diizinkan
apiVersion: v1
data:
  password: ZHVtbXlwYXNz
  username: ZHVtbXl1c2Vy
kind: Secret
metadata:
  name: credentials
  namespace: default
type: Opaque
Tidak diizinkan
apiVersion: v1
data:
  password: YmFzaWMtcGFzc3dvcmQ=
  username: YmFzaWMtdXNlcm5hbWU=
kind: Secret
metadata:
  name: secret-basic-auth
  namespace: default
type: kubernetes.io/basic-auth

K8sBlockProcessNamespaceSharing

Memblokir Berbagi Namespace Proses v1.0.1

Melarang spesifikasi Pod dengan shareProcessNamespace yang ditetapkan ke true. Hal ini akan menghindari skenario saat semua container dalam Pod berbagi namespace PID serta dapat mengakses sistem file dan memori satu sama lain.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockProcessNamespaceSharing
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

block-process-namespace-sharing
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockProcessNamespaceSharing
metadata:
  name: block-process-namespace-sharing
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: good-pod
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: bad-pod
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
  shareProcessNamespace: true

K8sBlockWildcardIngress

Blokir Wildcard Ingress v1.0.1

Pengguna tidak akan dapat membuat Ingress dengan nama host kosong atau karakter pengganti (*) karena hal itu memungkinkan mereka menangkap traffic untuk layanan lain di cluster, meskipun jika mereka tidak memiliki akses ke layanan tersebut.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockWildcardIngress
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

block-wildcard-ingress
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sBlockWildcardIngress
metadata:
  name: block-wildcard-ingress
spec:
  match:
    kinds:
    - apiGroups:
      - extensions
      - networking.k8s.io
      kinds:
      - Ingress
Diizinkan
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: non-wildcard-ingress
spec:
  rules:
  - host: myservice.example.com
    http:
      paths:
      - backend:
          service:
            name: example
            port:
              number: 80
        path: /
        pathType: Prefix
Tidak diizinkan
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: wildcard-ingress
spec:
  rules:
  - host: ""
    http:
      paths:
      - backend:
          service:
            name: example
            port:
              number: 80
        path: /
        pathType: Prefix
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: wildcard-ingress
spec:
  rules:
  - http:
      paths:
      - backend:
          service:
            name: example
            port:
              number: 80
        path: /
        pathType: Prefix
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: wildcard-ingress
spec:
  rules:
  - host: '*.example.com'
    http:
      paths:
      - backend:
          service:
            name: example
            port:
              number: 80
        path: /
        pathType: Prefix
  - host: valid.example.com
    http:
      paths:
      - backend:
          service:
            name: example
            port:
              number: 80
        path: /
        pathType: Prefix

K8sContainerEphemeralStorageLimit

Batas penyimpanan efemeral container v1.0.2

Mewajibkan container menetapkan batas penyimpanan sementara dan membatasi batas agar berada dalam nilai maksimum yang telah ditentukan. https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sContainerEphemeralStorageLimit
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # ephemeral-storage <string>: The maximum allowed ephemeral storage limit
    # on a Pod, exclusive.
    ephemeral-storage: <string>
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>

Contoh

container-ephemeral-storage-limit
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sContainerEphemeralStorageLimit
metadata:
  name: container-ephemeral-storage-limit
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    ephemeral-storage: 500Mi
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        ephemeral-storage: 100Mi
        memory: 1Gi
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        ephemeral-storage: 100Mi
        memory: 1Gi
  initContainers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: init-opa
    resources:
      limits:
        cpu: 100m
        ephemeral-storage: 100Mi
        memory: 1Gi
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        memory: 2Gi
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        ephemeral-storage: 1Pi
        memory: 1Gi
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        ephemeral-storage: 100Mi
        memory: 1Gi
  initContainers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: init-opa
    resources:
      limits:
        cpu: 100m
        ephemeral-storage: 1Pi
        memory: 1Gi

K8sContainerLimits

Batas Penampung v1.0.1

Mengharuskan container untuk menetapkan batas memori dan CPU serta membatasi batas agar berada dalam nilai maksimum yang ditentukan. https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sContainerLimits
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # cpu <string>: The maximum allowed cpu limit on a Pod, exclusive.
    cpu: <string>
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>
    # memory <string>: The maximum allowed memory limit on a Pod, exclusive.
    memory: <string>

Contoh

container-must-have-limits
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sContainerLimits
metadata:
  name: container-must-have-limits
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    cpu: 200m
    memory: 1Gi
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        memory: 1Gi
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        memory: 2Gi

K8sContainerRatios

Rasio Container v1.0.1

Menetapkan rasio maksimum untuk batas resource container terhadap permintaan. https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sContainerRatios
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # cpuRatio <string>: The maximum allowed ratio of `resources.limits.cpu` to
    # `resources.requests.cpu` on a container. If not specified, equal to
    # `ratio`.
    cpuRatio: <string>
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>
    # ratio <string>: The maximum allowed ratio of `resources.limits` to
    # `resources.requests` on a container.
    ratio: <string>

Contoh

container-must-meet-ratio
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sContainerRatios
metadata:
  name: container-must-meet-ratio
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    ratio: "2"
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 200m
        memory: 200Mi
      requests:
        cpu: 100m
        memory: 100Mi
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 800m
        memory: 2Gi
      requests:
        cpu: 100m
        memory: 100Mi
container-must-meet-memory-and-cpu-ratio
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sContainerRatios
metadata:
  name: container-must-meet-memory-and-cpu-ratio
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    cpuRatio: "10"
    ratio: "1"
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: "4"
        memory: 2Gi
      requests:
        cpu: "1"
        memory: 2Gi
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: "4"
        memory: 2Gi
      requests:
        cpu: 100m
        memory: 2Gi

K8sContainerRequests

Permintaan Container v1.0.1

Mewajibkan container menetapkan permintaan memori dan CPU, serta membatasi permintaan agar berada dalam nilai maksimum yang ditentukan. https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sContainerRequests
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # cpu <string>: The maximum allowed cpu request on a Pod, exclusive.
    cpu: <string>
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>
    # memory <string>: The maximum allowed memory request on a Pod, exclusive.
    memory: <string>

Contoh

container-must-have-requests
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sContainerRequests
metadata:
  name: container-must-have-requests
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    cpu: 200m
    memory: 1Gi
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      requests:
        cpu: 100m
        memory: 1Gi
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      requests:
        cpu: 100m
        memory: 2Gi

K8sCronJobAllowedRepos

Repositori yang Diizinkan CronJob v1.0.1

Membutuhkan image container CronJobs untuk memulai dengan string dari daftar yang ditentukan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sCronJobAllowedRepos
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # repos <array>: The list of prefixes a container image is allowed to have.
    repos:
      - <string>

Contoh

cronjob-restrict-repos
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sCronJobAllowedRepos
metadata:
  name: cronjob-restrict-repos
spec:
  match:
    kinds:
    - apiGroups:
      - batch
      kinds:
      - CronJob
  parameters:
    repos:
    - gke.gcr.io/
Diizinkan
apiVersion: batch/v1
kind: CronJob
metadata:
  name: hello
spec:
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - image: gke.gcr.io/busybox:1.28
            name: hello
  schedule: '* * * * *'
Tidak diizinkan
apiVersion: batch/v1
kind: CronJob
metadata:
  name: hello
spec:
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - image: busybox:1.28
            name: hello
  schedule: '* * * * *'

K8sDisallowAnonymous

Melarang Akses Anonim v1.0.0

Tidak mengizinkan pengaitan resource ClusterRole dan Role ke system:anonymous user dan system:unauthenticated group.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sDisallowAnonymous
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedRoles <array>: The list of ClusterRoles and Roles that may be
    # associated with the `system:unauthenticated` group and `system:anonymous`
    # user.
    allowedRoles:
      - <string>

Contoh

tanpa anonim
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sDisallowAnonymous
metadata:
  name: no-anonymous
spec:
  match:
    kinds:
    - apiGroups:
      - rbac.authorization.k8s.io
      kinds:
      - ClusterRoleBinding
    - apiGroups:
      - rbac.authorization.k8s.io
      kinds:
      - RoleBinding
  parameters:
    allowedRoles:
    - cluster-role-1
Diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: cluster-role-binding-1
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-role-1
subjects:
- apiGroup: rbac.authorization.k8s.io
  kind: Group
  name: system:authenticated
- apiGroup: rbac.authorization.k8s.io
  kind: Group
  name: system:unauthenticated
Tidak diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: cluster-role-binding-2
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-role-2
subjects:
- apiGroup: rbac.authorization.k8s.io
  kind: Group
  name: system:authenticated
- apiGroup: rbac.authorization.k8s.io
  kind: Group
  name: system:unauthenticated

K8sDisallowInteractiveTTY

Melarang Penampung TTY Interaktif v1.0.0

Objek harus memiliki kolom spec.tty dan spec.stdin yang ditetapkan ke salah (false) atau tidak ditetapkan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sDisallowInteractiveTTY
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>

Contoh

no-interactive-tty-containers
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sDisallowInteractiveTTY
metadata:
  name: no-interactive-tty-containers
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-interactive-tty
  name: nginx-interactive-tty-allowed
spec:
  containers:
  - image: nginx
    name: nginx
    stdin: false
    tty: false
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-privilege-escalation
  name: nginx-privilege-escalation-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    stdin: true
    tty: true

K8sDisallowedRepos

Repositori v1.0.0 yang Tidak Diizinkan

Repositori container yang tidak diizinkan yang diawali dengan string dari daftar yang ditentukan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sDisallowedRepos
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # repos <array>: The list of prefixes a container image is not allowed to
    # have.
    repos:
      - <string>

Contoh

repo-must-not-be-k8s-gcr-io
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sDisallowedRepos
metadata:
  name: repo-must-not-be-k8s-gcr-io
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    repos:
    - k8s.gcr.io/
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: kustomize-allowed
spec:
  containers:
  - image: registry.k8s.io/kustomize/kustomize:v3.8.9
    name: kustomize
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: kustomize-disallowed
spec:
  containers:
  - image: k8s.gcr.io/kustomize/kustomize:v3.8.9
    name: kustomize
apiVersion: v1
kind: Pod
metadata:
  name: kustomize-disallowed
spec:
  containers:
  - image: registry.k8s.io/kustomize/kustomize:v3.8.9
    name: kustomize
  initContainers:
  - image: k8s.gcr.io/kustomize/kustomize:v3.8.9
    name: kustomizeinit
apiVersion: v1
kind: Pod
metadata:
  name: kustomize-disallowed
spec:
  containers:
  - image: k8s.gcr.io/kustomize/kustomize:v3.8.9
    name: kustomize
  initContainers:
  - image: k8s.gcr.io/kustomize/kustomize:v3.8.9
    name: kustomizeinit
apiVersion: v1
kind: Pod
metadata:
  name: kustomize-disallowed
spec:
  containers:
  - image: k8s.gcr.io/kustomize/kustomize:v3.8.9
    name: kustomize
  ephemeralContainers:
  - image: k8s.gcr.io/kustomize/kustomize:v3.8.9
    name: kustomize
  initContainers:
  - image: k8s.gcr.io/kustomize/kustomize:v3.8.9
    name: kustomize

K8sDisallowedRoleBindingSubjects

Subjek Rolebinding yang Tidak Diizinkan v1.0.1

Melarang RoleBinding atau ClusterRoleBindings dengan subjek yang cocok dengan disallowedSubjects apa pun yang diteruskan sebagai parameter.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sDisallowedRoleBindingSubjects
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # disallowedSubjects <array>: A list of subjects that cannot appear in a
    # RoleBinding.
    disallowedSubjects:
      - # apiGroup <string>: The Kubernetes API group of the disallowed role
        # binding subject. Currently ignored.
        apiGroup: <string>
        # kind <string>: The kind of the disallowed role binding subject.
        kind: <string>
        # name <string>: The name of the disallowed role binding subject.
        name: <string>

Contoh

disallowed-rolebinding-subjects
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sDisallowedRoleBindingSubjects
metadata:
  name: disallowed-rolebinding-subjects
spec:
  parameters:
    disallowedSubjects:
    - apiGroup: rbac.authorization.k8s.io
      kind: Group
      name: system:unauthenticated
Diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: good-clusterrolebinding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: my-role
subjects:
- apiGroup: rbac.authorization.k8s.io
  kind: Group
  name: system:authenticated
Tidak diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: bad-clusterrolebinding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: my-role
subjects:
- apiGroup: rbac.authorization.k8s.io
  kind: Group
  name: system:unauthenticated

K8sDisallowedTags

Larang tag v1.0.1

Mewajibkan image container memiliki tag image yang berbeda dari yang ada dalam daftar yang ditentukan. https://kubernetes.io/docs/concepts/containers/images/#image-names

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sDisallowedTags
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>
    # tags <array>: Disallowed container image tags.
    tags:
      - <string>

Contoh

container-image-must-not-have-latest-tag
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sDisallowedTags
metadata:
  name: container-image-must-not-have-latest-tag
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
    namespaces:
    - default
  parameters:
    exemptImages:
    - openpolicyagent/opa-exp:latest
    - openpolicyagent/opa-exp2:latest
    tags:
    - latest
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: opa-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
apiVersion: v1
kind: Pod
metadata:
  name: opa-exempt-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa-exp:latest
    name: opa-exp
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/init:v1
    name: opa-init
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa-exp2:latest
    name: opa-exp2
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa
    name: opa
apiVersion: v1
kind: Pod
metadata:
  name: opa-disallowed-2
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:latest
    name: opa
apiVersion: v1
kind: Pod
metadata:
  name: opa-disallowed-ephemeral
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
  ephemeralContainers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:latest
    name: opa
apiVersion: v1
kind: Pod
metadata:
  name: opa-disallowed-3
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa-exp:latest
    name: opa
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/init:latest
    name: opa-init
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa-exp2:latest
    name: opa-exp2
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/monitor:latest
    name: opa-monitor

K8sEmptyDirHasSizeLimit

Direktori Kosong memiliki Batas Ukuran v1.0.5

Mengharuskan setiap volume emptyDir menentukan sizeLimit. Secara opsional, parameter maxSizeLimit dapat diberikan dalam batasan untuk menentukan batas ukuran maksimum yang diizinkan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sEmptyDirHasSizeLimit
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptVolumesRegex <array>: Exempt Volume names as regex match.
    exemptVolumesRegex:
      - <string>
    # maxSizeLimit <string>: When set, the declared size limit for each volume
    # must be less than `maxSizeLimit`.
    maxSizeLimit: <string>

Contoh

empty-dir-has-size-limit
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sEmptyDirHasSizeLimit
metadata:
  name: empty-dir-has-size-limit
spec:
  match:
    excludedNamespaces:
    - istio-system
    - kube-system
    - gatekeeper-system
  parameters:
    exemptVolumesRegex:
    - ^istio-[a-z]+$
    maxSizeLimit: 4Gi
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: good-pod
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
  volumes:
  - emptyDir:
      sizeLimit: 2Gi
    name: good-pod-volume
apiVersion: v1
kind: Pod
metadata:
  name: exempt-pod
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
  volumes:
  - emptyDir: {}
    name: istio-envoy
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: bad-pod
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
  volumes:
  - emptyDir: {}
    name: bad-pod-volume

K8sEnforceCloudArmorBackendConfig

Menerapkan Cloud Armor pada Resource BackendConfig v1.0.2

Menerapkan konfigurasi Cloud Armor pada resource BackendConfig

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sEnforceCloudArmorBackendConfig
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

enforce-cloudarmor-backendconfig
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sEnforceCloudArmorBackendConfig
metadata:
  name: enforce-cloudarmor-backendconfig
spec:
  enforcementAction: dryrun
Diizinkan
apiVersion: cloud.google.com/v1
kind: BackendConfig
metadata:
  name: my-backendconfig
  namespace: examplenamespace
spec:
  securityPolicy:
    name: example-security-policy
apiVersion: cloud.google.com/v1
kind: BackendConfig
metadata:
  name: second-backendconfig
spec:
  securityPolicy:
    name: my-security-policy
Tidak diizinkan
apiVersion: cloud.google.com/v1
kind: BackendConfig
metadata:
  name: my-backendconfig
  namespace: examplenamespace
spec:
  securityPolicy:
    name: null
apiVersion: cloud.google.com/v1
kind: BackendConfig
metadata:
  name: my-backendconfig
  namespace: examplenamespace
spec:
  securityPolicy:
    name: ""
apiVersion: cloud.google.com/v1
kind: BackendConfig
metadata:
  name: my-backendconfig
spec:
  logging:
    enable: true
    sampleRate: 0.5

K8sEnforceConfigManagement

Menerapkan Config Management v1.1.6

Memerlukan kehadiran dan operasi Config Management. Batasan yang menggunakan ConstraintTemplate ini hanya akan diaudit, terlepas dari nilai enforcementAction.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sEnforceConfigManagement
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # requireDriftPrevention <boolean>: Require Config Sync drift prevention to
    # prevent config drift.
    requireDriftPrevention: <boolean>
    # requireRootSync <boolean>: Require a Config Sync `RootSync` object for
    # cluster config management.
    requireRootSync: <boolean>

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: "configsync.gke.io"
        version: "v1beta1"
        kind: "RootSync"

Contoh

terapkan-pengelolaan konfigurasi
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sEnforceConfigManagement
metadata:
  name: enforce-config-management
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - configmanagement.gke.io
      kinds:
      - ConfigManagement
Diizinkan
apiVersion: configmanagement.gke.io/v1
kind: ConfigManagement
metadata:
  annotations:
    configmanagement.gke.io/managed-by-hub: "true"
    configmanagement.gke.io/update-time: "1663586155"
  name: config-management
spec:
  binauthz:
    enabled: true
  clusterName: tec6ea817b5b4bb2-cluster
  enableMultiRepo: true
  git:
    proxy: {}
    syncRepo: git@test-git-server.config-management-system-test:/git-server/repos/sot.git
  hierarchyController: {}
  policyController:
    auditIntervalSeconds: 60
    enabled: true
    monitoring:
      backends:
      - prometheus
      - cloudmonitoring
    mutation: {}
    referentialRulesEnabled: true
    templateLibraryInstalled: true
status:
  configManagementVersion: v1.12.2-rc.2
  healthy: true
Tidak diizinkan
apiVersion: configmanagement.gke.io/v1
kind: ConfigManagement
metadata:
  annotations:
    configmanagement.gke.io/managed-by-hub: "true"
    configmanagement.gke.io/update-time: "1663586155"
  name: config-management
spec:
  binauthz:
    enabled: true
  clusterName: tec6ea817b5b4bb2-cluster
  enableMultiRepo: true
  git:
    syncRepo: git@test-git-server.config-management-system-test:/git-server/repos/sot.git
  hierarchyController: {}
  policyController:
    auditIntervalSeconds: 60
    enabled: true
    monitoring:
      backends:
      - prometheus
      - cloudmonitoring
    mutation: {}
    referentialRulesEnabled: true
    templateLibraryInstalled: true
status:
  configManagementVersion: v1.12.2-rc.2

K8sExternalIP

IP Eksternal v1.0.0

Membatasi externalIP Layanan ke daftar alamat IP yang diizinkan. https://kubernetes.io/docs/concepts/services-networking/service/#external-ips

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sExternalIPs
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedIPs <array>: An allow-list of external IP addresses.
    allowedIPs:
      - <string>

Contoh

external-ips
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sExternalIPs
metadata:
  name: external-ips
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Service
  parameters:
    allowedIPs:
    - 203.0.113.0
Diizinkan
apiVersion: v1
kind: Service
metadata:
  name: allowed-external-ip
spec:
  externalIPs:
  - 203.0.113.0
  ports:
  - name: http
    port: 80
    protocol: TCP
    targetPort: 8080
  selector:
    app: MyApp
Tidak diizinkan
apiVersion: v1
kind: Service
metadata:
  name: disallowed-external-ip
spec:
  externalIPs:
  - 1.1.1.1
  ports:
  - name: http
    port: 80
    protocol: TCP
    targetPort: 8080
  selector:
    app: MyApp

K8sHorizontalPodAutoscaler

Autoscaler Pod Horizontal v1.0.1

Larang skenario berikut saat men-deploy HorizontalPodAutoscalers 1. Deployment HorizontalPodAutoscalers dengan .spec.minReplicas atau .spec.maxReplicas di luar rentang yang ditetapkan dalam batasan 2. Deployment HorizontalPodAutoscalers dengan perbedaan antara .spec.minReplicas dan .spec.maxReplicas lebih kecil dari minimumReplicaSpread yang dikonfigurasi 3. Deployment HorizontalPodAutoscalers yang tidak mereferensikan scaleTargetRef yang valid (misalnya, Deployment, ReplicationController, ReplicaSet, StatefulSet).

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sHorizontalPodAutoscaler
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # enforceScaleTargetRef <boolean>: If set to true it validates the HPA
    # scaleTargetRef exists
    enforceScaleTargetRef: <boolean>
    # minimumReplicaSpread <integer>: If configured it enforces the minReplicas
    # and maxReplicas in an HPA must have a spread of at least this many
    # replicas
    minimumReplicaSpread: <integer>
    # ranges <array>: Allowed ranges for numbers of replicas.  Values are
    # inclusive.
    ranges:
      # <list item: object>: A range of allowed replicas.  Values are
      # inclusive.
      - # max_replicas <integer>: The maximum number of replicas allowed,
        # inclusive.
        max_replicas: <integer>
        # min_replicas <integer>: The minimum number of replicas allowed,
        # inclusive.
        min_replicas: <integer>

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: "apps"
        version: "v1"
        kind: "Deployment"
      OR
      - group: "apps"
        version: "v1"
        kind: "StatefulSet"

Contoh

penskalaan otomatis horizontal-pod
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sHorizontalPodAutoscaler
metadata:
  name: horizontal-pod-autoscaler
spec:
  enforcementAction: deny
  match:
    kinds:
    - apiGroups:
      - autoscaling
      kinds:
      - HorizontalPodAutoscaler
  parameters:
    enforceScaleTargetRef: true
    minimumReplicaSpread: 1
    ranges:
    - max_replicas: 6
      min_replicas: 3
Diizinkan
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: nginx-hpa-allowed
  namespace: default
spec:
  maxReplicas: 6
  metrics:
  - resource:
      name: cpu
      target:
        averageUtilization: 900
        type: Utilization
    type: Resource
  minReplicas: 3
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: nginx-deployment
---
# Referential Data
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: nginx-deployment
  namespace: default
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
      example: allowed-deployment
  template:
    metadata:
      labels:
        app: nginx
        example: allowed-deployment
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80
Tidak diizinkan
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: nginx-hpa-disallowed-replicas
  namespace: default
spec:
  maxReplicas: 7
  metrics:
  - resource:
      name: cpu
      target:
        averageUtilization: 900
        type: Utilization
    type: Resource
  minReplicas: 2
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: nginx-deployment
---
# Referential Data
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: nginx-deployment
  namespace: default
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
      example: allowed-deployment
  template:
    metadata:
      labels:
        app: nginx
        example: allowed-deployment
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: nginx-hpa-disallowed-replicaspread
  namespace: default
spec:
  maxReplicas: 4
  metrics:
  - resource:
      name: cpu
      target:
        averageUtilization: 900
        type: Utilization
    type: Resource
  minReplicas: 4
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: nginx-deployment
---
# Referential Data
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: nginx-deployment
  namespace: default
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
      example: allowed-deployment
  template:
    metadata:
      labels:
        app: nginx
        example: allowed-deployment
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: nginx-hpa-disallowed-scaletarget
  namespace: default
spec:
  maxReplicas: 6
  metrics:
  - resource:
      name: cpu
      target:
        averageUtilization: 900
        type: Utilization
    type: Resource
  minReplicas: 3
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: nginx-deployment-missing
---
# Referential Data
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: nginx-deployment
  namespace: default
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
      example: allowed-deployment
  template:
    metadata:
      labels:
        app: nginx
        example: allowed-deployment
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80

K8sHttpsOnly

Khusus HTTPS v1.0.2

Memerlukan resource Ingress agar berupa HTTPS saja. Resource masuk harus menyertakan anotasi kubernetes.io/ingress.allow-http yang ditetapkan ke false. Secara default, diperlukan konfigurasi TLS {} yang valid, ini bisa dibuat opsional dengan menyetel parameter tlsOptional ke true. https://kubernetes.io/docs/concepts/services-networking/ingress/#tls

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sHttpsOnly
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # tlsOptional <boolean>: When set to `true` the TLS {} is optional,
    # defaults to false.
    tlsOptional: <boolean>

Contoh

ingress-https-only
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sHttpsOnly
metadata:
  name: ingress-https-only
spec:
  match:
    kinds:
    - apiGroups:
      - extensions
      - networking.k8s.io
      kinds:
      - Ingress
Diizinkan
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    kubernetes.io/ingress.allow-http: "false"
  name: ingress-demo-allowed
spec:
  rules:
  - host: example-host.example.com
    http:
      paths:
      - backend:
          service:
            name: nginx
            port:
              number: 80
        path: /
        pathType: Prefix
  tls:
  - {}
Tidak diizinkan
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-demo-disallowed
spec:
  rules:
  - host: example-host.example.com
    http:
      paths:
      - backend:
          service:
            name: nginx
            port:
              number: 80
        path: /
        pathType: Prefix
ingress-https-only-tls-optional
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sHttpsOnly
metadata:
  name: ingress-https-only-tls-optional
spec:
  match:
    kinds:
    - apiGroups:
      - extensions
      - networking.k8s.io
      kinds:
      - Ingress
  parameters:
    tlsOptional: true
Diizinkan
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    kubernetes.io/ingress.allow-http: "false"
  name: ingress-demo-allowed-tls-optional
spec:
  rules:
  - host: example-host.example.com
    http:
      paths:
      - backend:
          service:
            name: nginx
            port:
              number: 80
        path: /
        pathType: Prefix
Tidak diizinkan
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-demo-disallowed-tls-optional
spec:
  rules:
  - host: example-host.example.com
    http:
      paths:
      - backend:
          service:
            name: nginx
            port:
              number: 80
        path: /
        pathType: Prefix

K8sImageDigests

Intisari Gambar v1.0.1

Mewajibkan image container untuk memuat ringkasan. https://kubernetes.io/docs/concepts/containers/images/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sImageDigests
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>

Contoh

container-image-must-have-digest
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sImageDigests
metadata:
  name: container-image-must-have-digest
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
    namespaces:
    - default
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: opa-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2@sha256:04ff8fce2afd1a3bc26260348e5b290e8d945b1fad4b4c16d22834c2f3a1814a
    name: opa
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
  initContainers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opainit
apiVersion: v1
kind: Pod
metadata:
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
  ephemeralContainers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
  initContainers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opainit

K8sLocalStorageRequireSafeToEvict

Penyimpanan Lokal Memerlukan Aman untuk Mengeluarkan v1.0.1

Mewajibkan Pod yang menggunakan penyimpanan lokal (emptyDir atau hostPath) untuk memiliki anotasi "cluster-autoscaler.kubernetes.io/safe-to-evict": "true". Autoscaler Cluster tidak akan menghapus Pod tanpa anotasi ini.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sLocalStorageRequireSafeToEvict
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

local-storage-require-safe-to-evict
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sLocalStorageRequireSafeToEvict
metadata:
  name: local-storage-require-safe-to-evict
spec:
  match:
    excludedNamespaces:
    - kube-system
    - istio-system
    - gatekeeper-system
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  annotations:
    cluster-autoscaler.kubernetes.io/safe-to-evict: "true"
  name: good-pod
  namespace: default
spec:
  containers:
  - image: redis
    name: redis
    volumeMounts:
    - mountPath: /data/redis
      name: redis-storage
  volumes:
  - emptyDir: {}
    name: redis-storage
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: bad-pod
  namespace: default
spec:
  containers:
  - image: redis
    name: redis
    volumeMounts:
    - mountPath: /data/redis
      name: redis-storage
  volumes:
  - emptyDir: {}
    name: redis-storage

K8sMemoryRequestEqualsLimit

Permintaan Memori Sama Dengan Batas v1.0.4

Meningkatkan stabilitas Pod dengan mewajibkan semua memori yang diminta container sama persis dengan batas memori, sehingga Pod tidak akan pernah dalam status di mana penggunaan memori melebihi jumlah yang diminta. Jika tidak, Kubernetes dapat menghentikan Pod yang meminta memori tambahan jika memori diperlukan pada node.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sMemoryRequestEqualsLimit
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptContainersRegex <array>: Exempt Container names as regex match.
    exemptContainersRegex:
      - <string>

Contoh

container-must-request-limit
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sMemoryRequestEqualsLimit
metadata:
  name: container-must-request-limit
spec:
  match:
    excludedNamespaces:
    - kube-system
    - resource-group-system
    - asm-system
    - istio-system
    - config-management-system
    - config-management-monitoring
  parameters:
    exemptContainersRegex:
    - ^istio-[a-z]+$
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: good-pod
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        cpu: 100m
        memory: 4Gi
      requests:
        cpu: 50m
        memory: 4Gi
apiVersion: v1
kind: Pod
metadata:
  name: exempt-pod
  namespace: default
spec:
  containers:
  - image: auto
    name: istio-proxy
    resources:
      limits:
        cpu: 100m
        memory: 4Gi
      requests:
        cpu: 50m
        memory: 2Gi
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: bad-pod
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        cpu: 100m
        memory: 4Gi
      requests:
        cpu: 50m
        memory: 2Gi

K8sNoEnvVarSecrets

Tidak Ada Rahasia Variabel Lingkungan v1.0.1

Melarang secret sebagai variabel lingkungan dalam definisi container Pod. Sebagai gantinya, gunakan file rahasia yang terpasang di volume data: https://kubernetes.io/docs/concepts/configuration/secret/#using-secrets-as-files-from-a-pod

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sNoEnvVarSecrets
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

no-secrets-as-env-vars-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sNoEnvVarSecrets
metadata:
  name: no-secrets-as-env-vars-sample
spec:
  enforcementAction: dryrun
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: allowed-example
spec:
  containers:
  - image: redis
    name: test
    volumeMounts:
    - mountPath: /etc/test
      name: test
      readOnly: true
  volumes:
  - name: test
    secret:
      secretName: mysecret
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: disallowed-example
spec:
  containers:
  - env:
    - name: MY_PASSWORD
      valueFrom:
        secretKeyRef:
          key: password
          name: mysecret
    image: redis
    name: test

K8sNoExternalServices

Tidak Ada Layanan Eksternal v1.0.3

Melarang pembuatan resource umum yang mengekspos workload ke IP eksternal. Ini mencakup resource Gateway Istio dan resource Kubernetes Ingress. Layanan Kubernetes juga tidak diizinkan kecuali jika memenuhi kriteria berikut: Semua Layanan jenis LoadBalancer di Google Cloud harus memiliki anotasi "networking.gke.io/load-balancer-type": "Internal". Setiap Layanan jenis LoadBalancer di AWS harus memiliki anotasi service.beta.kubernetes.io/aws-load-balancer-internal: "true. Semua "IP eksternal" (eksternal cluster) yang terikat dengan Layanan harus merupakan anggota rentang CIDR internal seperti yang diberikan pada batasan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sNoExternalServices
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # cloudPlatform <string>: The hosting cloud platform. Only `GCP` and `AWS`
    # are supported currently.
    cloudPlatform: <string>
    # internalCIDRs <array>: A list of CIDRs that are only accessible
    # internally, for example: `10.3.27.0/24`. Which IP ranges are
    # internal-only is determined by the underlying network infrastructure.
    internalCIDRs:
      - <string>

Contoh

tanpa eksternal
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sNoExternalServices
metadata:
  name: no-external
spec:
  parameters:
    internalCIDRs:
    - 10.0.0.1/32
Diizinkan
apiVersion: v1
kind: Service
metadata:
  name: good-service
  namespace: default
spec:
  externalIPs:
  - 10.0.0.1
  ports:
  - port: 8888
    protocol: TCP
    targetPort: 8888
apiVersion: v1
kind: Service
metadata:
  annotations:
    networking.gke.io/load-balancer-type: Internal
  name: allowed-internal-load-balancer
  namespace: default
spec:
  type: LoadBalancer
Tidak diizinkan
apiVersion: v1
kind: Service
metadata:
  name: bad-service
  namespace: default
spec:
  externalIPs:
  - 10.0.0.2
  ports:
  - port: 8888
    protocol: TCP
    targetPort: 8888
no-external-aw
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sNoExternalServices
metadata:
  name: no-external-aws
spec:
  parameters:
    cloudPlatform: AWS
Diizinkan
apiVersion: v1
kind: Service
metadata:
  annotations:
    service.beta.kubernetes.io/aws-load-balancer-internal: "true"
  name: good-aws-service
  namespace: default
spec:
  type: LoadBalancer
Tidak diizinkan
apiVersion: v1
kind: Service
metadata:
  annotations:
    cloud.google.com/load-balancer-type: Internal
  name: bad-aws-service
  namespace: default
spec:
  type: LoadBalancer

K8sPSPAllowPermissionsEskalasiContainer

Mengizinkan Eskalasi Hak Istimewa di Penampung v1.0.1

Mengontrol eskalasi ke hak istimewa root. Sesuai dengan kolom allowPrivilegeEscalation di PodSecurityPolicy. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#credential-escalation

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPAllowPrivilegeEscalationContainer
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>

Contoh

psp-allow-privilege-escalation-container-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPAllowPrivilegeEscalationContainer
metadata:
  name: psp-allow-privilege-escalation-container-sample
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-privilege-escalation
  name: nginx-privilege-escalation-allowed
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      allowPrivilegeEscalation: false
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-privilege-escalation
  name: nginx-privilege-escalation-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      allowPrivilegeEscalation: true
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-privilege-escalation
  name: nginx-privilege-escalation-disallowed
spec:
  ephemeralContainers:
  - image: nginx
    name: nginx
    securityContext:
      allowPrivilegeEscalation: true

K8sPSPAllowedUsers

Pengguna yang Diizinkan v1.0.2

Mengontrol ID pengguna dan grup penampung serta beberapa volume. Sesuai dengan kolom runAsUser, runAsGroup, supplementalGroups, dan fsGroup di PodSecurityPolicy. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#users-and-groups

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPAllowedUsers
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>
    # fsGroup <object>: Controls the fsGroup values that are allowed in a Pod
    # or container-level SecurityContext.
    fsGroup:
      # ranges <array>: A list of group ID ranges affected by the rule.
      ranges:
        # <list item: object>: The range of group IDs affected by the rule.
        - # max <integer>: The maximum group ID in the range, inclusive.
          max: <integer>
          # min <integer>: The minimum group ID in the range, inclusive.
          min: <integer>
      # rule <string>: A strategy for applying the fsGroup restriction.
      # Allowed Values: MustRunAs, MayRunAs, RunAsAny
      rule: <string>
    # runAsGroup <object>: Controls which group ID values are allowed in a Pod
    # or container-level SecurityContext.
    runAsGroup:
      # ranges <array>: A list of group ID ranges affected by the rule.
      ranges:
        # <list item: object>: The range of group IDs affected by the rule.
        - # max <integer>: The maximum group ID in the range, inclusive.
          max: <integer>
          # min <integer>: The minimum group ID in the range, inclusive.
          min: <integer>
      # rule <string>: A strategy for applying the runAsGroup restriction.
      # Allowed Values: MustRunAs, MayRunAs, RunAsAny
      rule: <string>
    # runAsUser <object>: Controls which user ID values are allowed in a Pod or
    # container-level SecurityContext.
    runAsUser:
      # ranges <array>: A list of user ID ranges affected by the rule.
      ranges:
        # <list item: object>: The range of user IDs affected by the rule.
        - # max <integer>: The maximum user ID in the range, inclusive.
          max: <integer>
          # min <integer>: The minimum user ID in the range, inclusive.
          min: <integer>
      # rule <string>: A strategy for applying the runAsUser restriction.
      # Allowed Values: MustRunAs, MustRunAsNonRoot, RunAsAny
      rule: <string>
    # supplementalGroups <object>: Controls the supplementalGroups values that
    # are allowed in a Pod or container-level SecurityContext.
    supplementalGroups:
      # ranges <array>: A list of group ID ranges affected by the rule.
      ranges:
        # <list item: object>: The range of group IDs affected by the rule.
        - # max <integer>: The maximum group ID in the range, inclusive.
          max: <integer>
          # min <integer>: The minimum group ID in the range, inclusive.
          min: <integer>
      # rule <string>: A strategy for applying the supplementalGroups
      # restriction.
      # Allowed Values: MustRunAs, MayRunAs, RunAsAny
      rule: <string>

Contoh

psp-pods-allowed-user-ranges
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPAllowedUsers
metadata:
  name: psp-pods-allowed-user-ranges
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    fsGroup:
      ranges:
      - max: 200
        min: 100
      rule: MustRunAs
    runAsGroup:
      ranges:
      - max: 200
        min: 100
      rule: MustRunAs
    runAsUser:
      ranges:
      - max: 200
        min: 100
      rule: MustRunAs
    supplementalGroups:
      ranges:
      - max: 200
        min: 100
      rule: MustRunAs
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-users
  name: nginx-users-allowed
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      runAsGroup: 199
      runAsUser: 199
  securityContext:
    fsGroup: 199
    supplementalGroups:
    - 199
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-users
  name: nginx-users-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      runAsGroup: 250
      runAsUser: 250
  securityContext:
    fsGroup: 250
    supplementalGroups:
    - 250
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-users
  name: nginx-users-disallowed
spec:
  ephemeralContainers:
  - image: nginx
    name: nginx
    securityContext:
      runAsGroup: 250
      runAsUser: 250
  securityContext:
    fsGroup: 250
    supplementalGroups:
    - 250

K8sPSPAppArmor

App Armor v1.0.0

Mengonfigurasi daftar profil AppArmor yang diizinkan untuk digunakan oleh container. Hal ini sesuai dengan anotasi khusus yang diterapkan pada PodSecurityPolicy. Untuk mengetahui informasi tentang AppArmor, lihat https://kubernetes.io/docs/Tutorial/clusters/apparmor/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPAppArmor
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedProfiles <array>: An array of AppArmor profiles. Examples:
    # `runtime/default`, `unconfined`.
    allowedProfiles:
      - <string>
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>

Contoh

psp-apparmor
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPAppArmor
metadata:
  name: psp-apparmor
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    allowedProfiles:
    - runtime/default
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  annotations:
    container.apparmor.security.beta.kubernetes.io/nginx: runtime/default
  labels:
    app: nginx-apparmor
  name: nginx-apparmor-allowed
spec:
  containers:
  - image: nginx
    name: nginx
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  annotations:
    container.apparmor.security.beta.kubernetes.io/nginx: unconfined
  labels:
    app: nginx-apparmor
  name: nginx-apparmor-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
apiVersion: v1
kind: Pod
metadata:
  annotations:
    container.apparmor.security.beta.kubernetes.io/nginx: unconfined
  labels:
    app: nginx-apparmor
  name: nginx-apparmor-disallowed
spec:
  ephemeralContainers:
  - image: nginx
    name: nginx

K8sPSPAutomountServiceAccountTokenPod

Automount Service Account Token untuk Pod v1.0.1

Mengontrol kemampuan Pod untuk mengaktifkan automountServiceAccountToken.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPAutomountServiceAccountTokenPod
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    <object>

Contoh

psp-automount-serviceaccount-token-pod
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPAutomountServiceAccountTokenPod
metadata:
  name: psp-automount-serviceaccount-token-pod
spec:
  match:
    excludedNamespaces:
    - kube-system
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-not-automountserviceaccounttoken
  name: nginx-automountserviceaccounttoken-allowed
spec:
  automountServiceAccountToken: false
  containers:
  - image: nginx
    name: nginx
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-automountserviceaccounttoken
  name: nginx-automountserviceaccounttoken-disallowed
spec:
  automountServiceAccountToken: true
  containers:
  - image: nginx
    name: nginx

K8sPSPCapabilities

Kemampuan v1.0.2

Mengontrol kemampuan Linux di container. Sesuai dengan kolom allowedCapabilities dan requiredDropCapabilities di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#capabilities

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPCapabilities
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedCapabilities <array>: A list of Linux capabilities that can be
    # added to a container.
    allowedCapabilities:
      - <string>
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>
    # requiredDropCapabilities <array>: A list of Linux capabilities that are
    # required to be dropped from a container.
    requiredDropCapabilities:
      - <string>

Contoh

capabilities-demo
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPCapabilities
metadata:
  name: capabilities-demo
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
    namespaces:
    - default
  parameters:
    allowedCapabilities:
    - something
    requiredDropCapabilities:
    - must_drop
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        memory: 30Mi
    securityContext:
      capabilities:
        add:
        - something
        drop:
        - must_drop
        - another_one
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        memory: 30Mi
    securityContext:
      capabilities:
        add:
        - disallowedcapability
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  ephemeralContainers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        memory: 30Mi
    securityContext:
      capabilities:
        add:
        - disallowedcapability

Grup K8sPSPFS

FS Group v1.0.2

Mengontrol pengalokasian FSGroup yang memiliki volume Pod. Sesuai dengan kolom fsGroup di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#volumes-and-file-systems

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPFSGroup
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # ranges <array>: GID ranges affected by the rule.
    ranges:
      - # max <integer>: The maximum GID in the range, inclusive.
        max: <integer>
        # min <integer>: The minimum GID in the range, inclusive.
        min: <integer>
    # rule <string>: An FSGroup rule name.
    # Allowed Values: MayRunAs, MustRunAs, RunAsAny
    rule: <string>

Contoh

psp-fsgroup
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPFSGroup
metadata:
  name: psp-fsgroup
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    ranges:
    - max: 1000
      min: 1
    rule: MayRunAs
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: fsgroup-disallowed
spec:
  containers:
  - command:
    - sh
    - -c
    - sleep 1h
    image: busybox
    name: fsgroup-demo
    volumeMounts:
    - mountPath: /data/demo
      name: fsgroup-demo-vol
  securityContext:
    fsGroup: 500
  volumes:
  - emptyDir: {}
    name: fsgroup-demo-vol
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: fsgroup-disallowed
spec:
  containers:
  - command:
    - sh
    - -c
    - sleep 1h
    image: busybox
    name: fsgroup-demo
    volumeMounts:
    - mountPath: /data/demo
      name: fsgroup-demo-vol
  securityContext:
    fsGroup: 2000
  volumes:
  - emptyDir: {}
    name: fsgroup-demo-vol

K8sPSPFlexVolume

FlexVolume v1.0.1

Mengontrol daftar driver FlexVolume yang diizinkan. Sesuai dengan kolom allowedFlexVolumes di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#flexvolume-drivers

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPFlexVolumes
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedFlexVolumes <array>: An array of AllowedFlexVolume objects.
    allowedFlexVolumes:
      - # driver <string>: The name of the FlexVolume driver.
        driver: <string>

Contoh

psp-flexvolume-drivers
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPFlexVolumes
metadata:
  name: psp-flexvolume-drivers
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    allowedFlexVolumes:
    - driver: example/lvm
    - driver: example/cifs
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-flexvolume-driver
  name: nginx-flexvolume-driver-allowed
spec:
  containers:
  - image: nginx
    name: nginx
    volumeMounts:
    - mountPath: /test
      name: test-volume
      readOnly: true
  volumes:
  - flexVolume:
      driver: example/lvm
    name: test-volume
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-flexvolume-driver
  name: nginx-flexvolume-driver-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    volumeMounts:
    - mountPath: /test
      name: test-volume
      readOnly: true
  volumes:
  - flexVolume:
      driver: example/testdriver
    name: test-volume

K8sPSPTerlarangSysctls

Sistem Terlarang v1.1.3

Mengontrol profil sysctl yang digunakan oleh penampung. Sesuai dengan kolom allowedUnsafeSysctls dan forbiddenSysctls di PodSecurityPolicy. Jika ditentukan, sysctl apa pun yang tidak ada dalam parameter allowedSysctls akan dianggap dilarang. Parameter forbiddenSysctls lebih diprioritaskan daripada parameter allowedSysctls. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/tasks/administer-cluster/sysctl-cluster/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPForbiddenSysctls
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedSysctls <array>: An allow-list of sysctls. `*` allows all sysctls
    # not listed in the `forbiddenSysctls` parameter.
    allowedSysctls:
      - <string>
    # forbiddenSysctls <array>: A disallow-list of sysctls. `*` forbids all
    # sysctls.
    forbiddenSysctls:
      - <string>

Contoh

psp-forbidden-sysctls
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPForbiddenSysctls
metadata:
  name: psp-forbidden-sysctls
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    allowedSysctls:
    - '*'
    forbiddenSysctls:
    - kernel.*
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-forbidden-sysctls
  name: nginx-forbidden-sysctls-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
  securityContext:
    sysctls:
    - name: net.core.somaxconn
      value: "1024"
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-forbidden-sysctls
  name: nginx-forbidden-sysctls-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
  securityContext:
    sysctls:
    - name: kernel.msgmax
      value: "65536"
    - name: net.core.somaxconn
      value: "1024"

Sistem File K8sPSPHost

Sistem File Host v1.0.2

Mengontrol penggunaan sistem file host. Sesuai dengan kolom allowedHostPaths di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#volumes-and-file-systems

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPHostFilesystem
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedHostPaths <array>: An array of hostpath objects, representing
    # paths and read/write configuration.
    allowedHostPaths:
      - # pathPrefix <string>: The path prefix that the host volume must
        # match.
        pathPrefix: <string>
        # readOnly <boolean>: when set to true, any container volumeMounts
        # matching the pathPrefix must include `readOnly: true`.
        readOnly: <boolean>

Contoh

psp-host-filesystem
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPHostFilesystem
metadata:
  name: psp-host-filesystem
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    allowedHostPaths:
    - pathPrefix: /foo
      readOnly: true
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-host-filesystem-disallowed
  name: nginx-host-filesystem
spec:
  containers:
  - image: nginx
    name: nginx
    volumeMounts:
    - mountPath: /cache
      name: cache-volume
      readOnly: true
  volumes:
  - hostPath:
      path: /foo/bar
    name: cache-volume
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-host-filesystem-disallowed
  name: nginx-host-filesystem
spec:
  containers:
  - image: nginx
    name: nginx
    volumeMounts:
    - mountPath: /cache
      name: cache-volume
      readOnly: true
  volumes:
  - hostPath:
      path: /tmp
    name: cache-volume
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-host-filesystem-disallowed
  name: nginx-host-filesystem
spec:
  ephemeralContainers:
  - image: nginx
    name: nginx
    volumeMounts:
    - mountPath: /cache
      name: cache-volume
      readOnly: true
  volumes:
  - hostPath:
      path: /tmp
    name: cache-volume

K8sPSPHostNamespace

Namespace Host v1.0.1

Melarang berbagi namespace PID dan IPC host oleh penampung pod. Sesuai dengan kolom hostPID dan hostIPC di PodSecurityPolicy. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#host-namespaces

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPHostNamespace
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    <object>

Contoh

psp-host-namespace-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPHostNamespace
metadata:
  name: psp-host-namespace-sample
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-host-namespace
  name: nginx-host-namespace-allowed
spec:
  containers:
  - image: nginx
    name: nginx
  hostIPC: false
  hostPID: false
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-host-namespace
  name: nginx-host-namespace-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
  hostIPC: true
  hostPID: true

K8sPSPHostNetworkingPorts

Porta Jaringan {i>Host <i}v1.0.2

Mengontrol penggunaan namespace jaringan host oleh penampung pod. Port tertentu harus ditentukan. Sesuai dengan kolom hostNetwork dan hostPorts di PodSecurityPolicy. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#host-namespaces

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPHostNetworkingPorts
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>
    # hostNetwork <boolean>: Determines if the policy allows the use of
    # HostNetwork in the pod spec.
    hostNetwork: <boolean>
    # max <integer>: The end of the allowed port range, inclusive.
    max: <integer>
    # min <integer>: The start of the allowed port range, inclusive.
    min: <integer>

Contoh

psp-host-network-ports-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPHostNetworkingPorts
metadata:
  name: psp-host-network-ports-sample
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    hostNetwork: true
    max: 9000
    min: 80
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-host-networking-ports
  name: nginx-host-networking-ports-allowed
spec:
  containers:
  - image: nginx
    name: nginx
    ports:
    - containerPort: 9000
      hostPort: 80
  hostNetwork: false
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-host-networking-ports
  name: nginx-host-networking-ports-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    ports:
    - containerPort: 9001
      hostPort: 9001
  hostNetwork: true
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-host-networking-ports
  name: nginx-host-networking-ports-disallowed
spec:
  ephemeralContainers:
  - image: nginx
    name: nginx
    ports:
    - containerPort: 9001
      hostPort: 9001
  hostNetwork: true

K8sPSPprivilegeddContainer

Container Hak Istimewa v1.0.1

Mengontrol kemampuan penampung apa pun untuk mengaktifkan mode hak istimewa. Sesuai dengan kolom privileged di PodSecurityPolicy. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#privileged

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPPrivilegedContainer
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>

Contoh

psp-privileged-container-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPPrivilegedContainer
metadata:
  name: psp-privileged-container-sample
spec:
  match:
    excludedNamespaces:
    - kube-system
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-privileged
  name: nginx-privileged-allowed
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      privileged: false
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-privileged
  name: nginx-privileged-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      privileged: true
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-privileged
  name: nginx-privileged-disallowed
spec:
  ephemeralContainers:
  - image: nginx
    name: nginx
    securityContext:
      privileged: true

K8sPSPProcMount

Dudukan Proc v1.0.3

Mengontrol jenis procMount yang diizinkan untuk penampung. Sesuai dengan kolom allowedProcMountTypes di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#allowedprocmounttypes

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPProcMount
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>
    # procMount <string>: Defines the strategy for the security exposure of
    # certain paths in `/proc` by the container runtime. Setting to `Default`
    # uses the runtime defaults, where `Unmasked` bypasses the default
    # behavior.
    # Allowed Values: Default, Unmasked
    procMount: <string>

Contoh

psp-proc-mount
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPProcMount
metadata:
  name: psp-proc-mount
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    procMount: Default
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-proc-mount
  name: nginx-proc-mount-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      procMount: Default
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-proc-mount
  name: nginx-proc-mount-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      procMount: Unmasked
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-proc-mount
  name: nginx-proc-mount-disallowed
spec:
  ephemeralContainers:
  - image: nginx
    name: nginx
    securityContext:
      procMount: Unmasked

Sistem File K8sPSPReadOnlyRoot

Hanya Baca Root Filesystem v1.0.1

Mewajibkan penggunaan sistem file root hanya baca oleh container pod. Sesuai dengan kolom readOnlyRootFilesystem di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#volumes-and-file-systems

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPReadOnlyRootFilesystem
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>

Contoh

psp-readonlyrootfilesystem
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPReadOnlyRootFilesystem
metadata:
  name: psp-readonlyrootfilesystem
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-readonlyrootfilesystem
  name: nginx-readonlyrootfilesystem-allowed
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      readOnlyRootFilesystem: true
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-readonlyrootfilesystem
  name: nginx-readonlyrootfilesystem-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      readOnlyRootFilesystem: false
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-readonlyrootfilesystem
  name: nginx-readonlyrootfilesystem-disallowed
spec:
  ephemeralContainers:
  - image: nginx
    name: nginx
    securityContext:
      readOnlyRootFilesystem: false

K8sPSPSELinuxV2

SELinux V2 v1.0.2

Menentukan daftar yang diizinkan konfigurasi seLinuxOptions untuk penampung pod. Sesuai dengan PodSecurityPolicy yang memerlukan konfigurasi SELinux. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#selinux

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPSELinuxV2
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedSELinuxOptions <array>: An allow-list of SELinux options
    # configurations.
    allowedSELinuxOptions:
      # <list item: object>: An allowed configuration of SELinux options for a
      # pod container.
      - # level <string>: An SELinux level.
        level: <string>
        # role <string>: An SELinux role.
        role: <string>
        # type <string>: An SELinux type.
        type: <string>
        # user <string>: An SELinux user.
        user: <string>
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>

Contoh

{i>psp-selinux-v2<i}
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPSELinuxV2
metadata:
  name: psp-selinux-v2
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    allowedSELinuxOptions:
    - level: s0:c123,c456
      role: object_r
      type: svirt_sandbox_file_t
      user: system_u
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-selinux
  name: nginx-selinux-allowed
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      seLinuxOptions:
        level: s0:c123,c456
        role: object_r
        type: svirt_sandbox_file_t
        user: system_u
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-selinux
  name: nginx-selinux-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      seLinuxOptions:
        level: s1:c234,c567
        role: sysadm_r
        type: svirt_lxc_net_t
        user: sysadm_u
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-selinux
  name: nginx-selinux-disallowed
spec:
  ephemeralContainers:
  - image: nginx
    name: nginx
    securityContext:
      seLinuxOptions:
        level: s1:c234,c567
        role: sysadm_r
        type: svirt_lxc_net_t
        user: sysadm_u

K8sPSPSeccomp

Seccomp v1.0.1

Mengontrol profil seccomp yang digunakan oleh container. Sesuai dengan anotasi seccomp.security.alpha.kubernetes.io/allowedProfileNames pada PodSecurityPolicy. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#seccomp

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPSeccomp
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedLocalhostFiles <array>: When using securityContext naming scheme
    # for seccomp and including `Localhost` this array holds the allowed
    # profile JSON files. Putting a `*` in this array will allows all JSON
    # files to be used. This field is required to allow `Localhost` in
    # securityContext as with an empty list it will block.
    allowedLocalhostFiles:
      - <string>
    # allowedProfiles <array>: An array of allowed profile values for seccomp
    # on Pods/Containers. Can use the annotation naming scheme:
    # `runtime/default`, `docker/default`, `unconfined` and/or
    # `localhost/some-profile.json`. The item `localhost/*` will allow any
    # localhost based profile. Can also use the securityContext naming scheme:
    # `RuntimeDefault`, `Unconfined` and/or `Localhost`. For securityContext
    # `Localhost`, use the parameter `allowedLocalhostProfiles` to list the
    # allowed profile JSON files. The policy code will translate between the
    # two schemes so it is not necessary to use both. Putting a `*` in this
    # array allows all Profiles to be used. This field is required since with
    # an empty list this policy will block all workloads.
    allowedProfiles:
      - <string>
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>

Contoh

psp-seccomp
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPSeccomp
metadata:
  name: psp-seccomp
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    allowedProfiles:
    - runtime/default
    - docker/default
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  annotations:
    container.seccomp.security.alpha.kubernetes.io/nginx: runtime/default
  labels:
    app: nginx-seccomp
  name: nginx-seccomp-allowed
spec:
  containers:
  - image: nginx
    name: nginx
apiVersion: v1
kind: Pod
metadata:
  annotations:
    seccomp.security.alpha.kubernetes.io/pod: runtime/default
  labels:
    app: nginx-seccomp
  name: nginx-seccomp-allowed2
spec:
  containers:
  - image: nginx
    name: nginx
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  annotations:
    seccomp.security.alpha.kubernetes.io/pod: unconfined
  labels:
    app: nginx-seccomp
  name: nginx-seccomp-disallowed2
spec:
  containers:
  - image: nginx
    name: nginx
apiVersion: v1
kind: Pod
metadata:
  annotations:
    container.seccomp.security.alpha.kubernetes.io/nginx: unconfined
  labels:
    app: nginx-seccomp
  name: nginx-seccomp-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
apiVersion: v1
kind: Pod
metadata:
  annotations:
    container.seccomp.security.alpha.kubernetes.io/nginx: unconfined
  labels:
    app: nginx-seccomp
  name: nginx-seccomp-disallowed
spec:
  ephemeralContainers:
  - image: nginx
    name: nginx

K8sPSPVolumeTypes

Jenis Volume v1.0.2

Membatasi jenis volume yang dapat dipasang ke volume yang ditentukan oleh pengguna. Sesuai dengan kolom volumes di PodSecurityPolicy. Untuk informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/policy/pod-security-policy/#volumes-and-file-systems

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPVolumeTypes
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # volumes <array>: `volumes` is an array of volume types. All volume types
    # can be enabled using `*`.
    volumes:
      - <string>

Contoh

psp-volume-types
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPVolumeTypes
metadata:
  name: psp-volume-types
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    volumes:
    - configMap
    - emptyDir
    - projected
    - secret
    - downwardAPI
    - persistentVolumeClaim
    - flexVolume
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-volume-types
  name: nginx-volume-types-allowed
spec:
  containers:
  - image: nginx
    name: nginx
    volumeMounts:
    - mountPath: /cache
      name: cache-volume
  - image: nginx
    name: nginx2
    volumeMounts:
    - mountPath: /cache2
      name: demo-vol
  volumes:
  - emptyDir: {}
    name: cache-volume
  - emptyDir: {}
    name: demo-vol
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx-volume-types
  name: nginx-volume-types-disallowed
spec:
  containers:
  - image: nginx
    name: nginx
    volumeMounts:
    - mountPath: /cache
      name: cache-volume
  - image: nginx
    name: nginx2
    volumeMounts:
    - mountPath: /cache2
      name: demo-vol
  volumes:
  - hostPath:
      path: /tmp
    name: cache-volume
  - emptyDir: {}
    name: demo-vol

Proses K8sPSPWindowsHost

Membatasi container HostProcess Windows / pod. v1.0.0

Membatasi pengoperasian container / pod Windows HostProcess. Lihat https://kubernetes.io/docs/tasks/configure-pod-container/create-hostprocess-pod/ untuk informasi selengkapnya.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPWindowsHostProcess
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

restrict-windows-hostprocess
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSPWindowsHostProcess
metadata:
  name: restrict-windows-hostprocess
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: nanoserver-ping-loop
spec:
  containers:
  - command:
    - ping
    - -t
    - 127.0.0.1
    image: mcr.microsoft.com/windows/nanoserver:1809
    name: ping-loop
  nodeSelector:
    kubernetes.io/os: windows
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: nanoserver-ping-loop-hostprocess-container
spec:
  containers:
  - command:
    - ping
    - -t
    - 127.0.0.1
    image: mcr.microsoft.com/windows/nanoserver:1809
    name: ping-test
    securityContext:
      windowsOptions:
        hostProcess: true
        runAsUserName: NT AUTHORITY\SYSTEM
  hostNetwork: true
  nodeSelector:
    kubernetes.io/os: windows
apiVersion: v1
kind: Pod
metadata:
  name: nanoserver-ping-loop-hostprocess-pod
spec:
  containers:
  - command:
    - ping
    - -t
    - 127.0.0.1
    image: mcr.microsoft.com/windows/nanoserver:1809
    name: ping-test
  hostNetwork: true
  nodeSelector:
    kubernetes.io/os: windows
  securityContext:
    windowsOptions:
      hostProcess: true
      runAsUserName: NT AUTHORITY\SYSTEM

K8sPSSRunAsNonRoot

Memerlukan container yang dijalankan sebagai pengguna non-root. v1.0.0

Memerlukan container yang dijalankan sebagai pengguna non-root. Untuk mengetahui informasi selengkapnya, lihat https://kubernetes.io/docs/concepts/security/pod-security-standards/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSSRunAsNonRoot
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

restrict-runasnonroot
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPSSRunAsNonRoot
metadata:
  name: restrict-runasnonroot
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: nginx-pod-allowed
spec:
  containers:
  - image: nginx
    name: nginx-container-allowed
    securityContext:
      runAsNonRoot: true
  securityContext:
    runAsNonRoot: true
apiVersion: v1
kind: Pod
metadata:
  name: nginx-allowed
spec:
  containers:
  - image: nginx
    name: nginx-allowed
  securityContext:
    runAsNonRoot: true
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: nginx-pod-allowed
spec:
  containers:
  - image: nginx
    name: nginx-container-disallowed
    securityContext:
      runAsNonRoot: false
  securityContext:
    runAsNonRoot: true
apiVersion: v1
kind: Pod
metadata:
  name: nginx-pod-disallowed
spec:
  containers:
  - image: nginx
    name: nginx-container-allowed
    securityContext:
      runAsNonRoot: true
  securityContext:
    runAsNonRoot: false
apiVersion: v1
kind: Pod
metadata:
  name: nginx-pod-disallowed
spec:
  containers:
  - image: nginx
    name: nginx-container-disallowed
  securityContext:
    runAsNonRoot: false

K8sPodDisruptionBudget

Anggaran Gangguan Pod v1.0.3

Larang skenario berikut saat men-deploy PodDisruptionBudgets atau resource yang mengimplementasikan subresource replika (misalnya, Deployment, ReplicationController, ReplicaSet, StatefulSet): 1. Deployment PodDisruptionBudgets dengan .spec.maxavailable == 0 2. Deployment PodDisruptionBudgets dengan .spec.minAvailable == .spec.replicas resource dengan subresource replika

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPodDisruptionBudget
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: "policy"
        version: "v1"
        kind: "PodDisruptionBudget"

Contoh

anggaran-gangguan-pod
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPodDisruptionBudget
metadata:
  name: pod-distruption-budget
spec:
  match:
    kinds:
    - apiGroups:
      - apps
      kinds:
      - Deployment
      - ReplicaSet
      - StatefulSet
    - apiGroups:
      - policy
      kinds:
      - PodDisruptionBudget
    - apiGroups:
      - ""
      kinds:
      - ReplicationController
Diizinkan
apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
  name: nginx-pdb-allowed
  namespace: default
spec:
  maxUnavailable: 1
  selector:
    matchLabels:
      foo: bar
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: nginx-deployment-allowed-1
  namespace: default
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
      example: allowed-deployment-1
  template:
    metadata:
      labels:
        app: nginx
        example: allowed-deployment-1
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80
---
# Referential Data
apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
  name: inventory-nginx-pdb-allowed-1
  namespace: default
spec:
  minAvailable: 2
  selector:
    matchLabels:
      app: nginx
      example: allowed-deployment-1
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: nginx-deployment-allowed-2
  namespace: default
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
      example: allowed-deployment-2
  template:
    metadata:
      labels:
        app: nginx
        example: allowed-deployment-2
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80
---
# Referential Data
apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
  name: inventory-nginx-pdb-allowed-2
  namespace: default
spec:
  maxUnavailable: 1
  selector:
    matchLabels:
      app: nginx
      example: allowed-deployment-2
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: nginx-deployment-allowed-3
  namespace: default
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
      example: allowed-deployment-3
  template:
    metadata:
      labels:
        app: nginx
        example: allowed-deployment-3
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80
---
# Referential Data
apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
  name: inventory-nginx-pdb-allowed-3
  namespace: default
spec:
  minAvailable: 2
  selector:
    matchLabels:
      app: nginx
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: non-matching-nginx
  name: nginx-deployment-allowed-4
  namespace: default
spec:
  replicas: 1
  selector:
    matchLabels:
      app: non-matching-nginx
      example: allowed-deployment-4
  template:
    metadata:
      labels:
        app: non-matching-nginx
        example: allowed-deployment-4
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80
---
# Referential Data
apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
  name: inventory-mongo-pdb-allowed-3
  namespace: default
spec:
  minAvailable: 2
  selector:
    matchLabels:
      app: mongo
      example: non-matching-deployment-3
Tidak diizinkan
apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
  name: nginx-pdb-disallowed
  namespace: default
spec:
  maxUnavailable: 0
  selector:
    matchLabels:
      foo: bar
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: nginx-deployment-disallowed
  namespace: default
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
      example: disallowed-deployment
  template:
    metadata:
      labels:
        app: nginx
        example: disallowed-deployment
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80
---
# Referential Data
apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
  name: inventory-nginx-pdb-disallowed
  namespace: default
spec:
  minAvailable: 3
  selector:
    matchLabels:
      app: nginx
      example: disallowed-deployment

K8sPodResourcesBestPractices

Memerlukan Container bukan Upaya Terbaik dan Praktik Terbaik yang Dapat Dioperasikan v1.0.5

Mengharuskan container bukan upaya terbaik (dengan menetapkan permintaan cpu dan memori) dan mengikuti praktik terbaik yang dapat burst (permintaan memori harus sama persis dengan batas). Secara opsional, kunci anotasi dapat dikonfigurasi untuk mengizinkan melewatkan berbagai validasi.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPodResourcesBestPractices
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptImages <array>: A list of exempt Images.
    exemptImages:
      - <string>
    # skipBestEffortValidationAnnotationKey <string>: Optional annotation key
    # to skip best-effort container validation.
    skipBestEffortValidationAnnotationKey: <string>
    # skipBurstableValidationAnnotationKey <string>: Optional annotation key to
    # skip burstable container validation.
    skipBurstableValidationAnnotationKey: <string>
    # skipResourcesBestPracticesValidationAnnotationKey <string>: Optional
    # annotation key to skip both best-effort and burstable validation.
    skipResourcesBestPracticesValidationAnnotationKey: <string>

Contoh

gke-pod-resources-best-practices
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPodResourcesBestPractices
metadata:
  name: gke-pod-resources-best-practices
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    skipBestEffortValidationAnnotationKey: skip_besteffort_validation
    skipBurstableValidationAnnotationKey: skip_burstable_validation
    skipResourcesBestPracticesValidationAnnotationKey: skip_resources_best_practices_validation
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: pod-setting-cpu-requests-memory-limits
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        memory: 500Mi
      requests:
        cpu: 250m
apiVersion: v1
kind: Pod
metadata:
  name: pod-setting-limits-only
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        cpu: 250m
        memory: 100Mi
apiVersion: v1
kind: Pod
metadata:
  name: pod-setting-requests-memory-limits
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        memory: 100Mi
      requests:
        cpu: 250m
        memory: 100Mi
apiVersion: v1
kind: Pod
metadata:
  annotations:
    skip_besteffort_validation: "true"
    skip_burstable_validation: "true"
    skip_resources_best_practices_validation: "false"
  name: pod-skip-validation
spec:
  containers:
  - image: nginx
    name: nginx
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: pod-not-setting-cpu-burstable-on-memory
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        memory: 500Mi
      requests:
        memory: 100Mi
apiVersion: v1
kind: Pod
metadata:
  name: pod-not-setting-requests
spec:
  containers:
  - image: nginx
    name: nginx
  restartPolicy: OnFailure
apiVersion: v1
kind: Pod
metadata:
  name: pod-setting-cpu-not-burstable-on-memory
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        memory: 500Mi
      requests:
        cpu: 250m
        memory: 100Mi
apiVersion: v1
kind: Pod
metadata:
  name: pod-setting-memory-requests-cpu-limits
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        cpu: 30m
      requests:
        memory: 100Mi
apiVersion: v1
kind: Pod
metadata:
  name: pod-setting-only-cpu-limits
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        cpu: 250m
apiVersion: v1
kind: Pod
metadata:
  name: pod-setting-only-cpu-requests
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      requests:
        cpu: 250m
apiVersion: v1
kind: Pod
metadata:
  name: pod-setting-only-cpu
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        cpu: 500m
      requests:
        cpu: 250m
apiVersion: v1
kind: Pod
metadata:
  name: pod-setting-only-memory-limits
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        memory: 250Mi
apiVersion: v1
kind: Pod
metadata:
  name: pod-setting-only-memory-requests
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      requests:
        memory: 100Mi
apiVersion: v1
kind: Pod
metadata:
  name: pod-setting-only-memory
spec:
  containers:
  - image: nginx
    name: nginx
    resources:
      limits:
        memory: 100Mi
      requests:
        memory: 100Mi

K8sPodsRequireSecurityContext

Pod Memerlukan Konteks Keamanan v1.1.1

Mewajibkan semua Pod untuk menentukan securityContext. Mengharuskan semua penampung yang ditentukan dalam Pod memiliki SecurityContext yang ditentukan di tingkat Pod atau container.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPodsRequireSecurityContext
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptImages <array>: A list of exempt Images.
    exemptImages:
      - <string>

Contoh

pods-require-security-context-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sPodsRequireSecurityContext
metadata:
  name: pods-require-security-context-sample
spec:
  enforcementAction: dryrun
  parameters:
    exemptImages:
    - nginix-exempt
    - alpine*
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: allowed-example
spec:
  containers:
  - image: nginx
    name: nginx
    securityContext:
      runAsUser: 2000
apiVersion: v1
kind: Pod
metadata:
  name: allowed-example-exemptImage
spec:
  containers:
  - image: nginix-exempt
    name: nginx
apiVersion: v1
kind: Pod
metadata:
  name: allowed-example-exemptImage-wildcard
spec:
  containers:
  - image: alpine17
    name: alpine
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: disallowed-example
spec:
  containers:
  - image: nginx
    name: nginx

K8sProhibitRoleWildcardAccess

Melarang Akses Karakter Pengganti v1.0.5

Mengharuskan bahwa Peran dan ClusterRoles tidak menetapkan akses resource ke nilai karakter pengganti '""', kecuali untuk Peran dan ClusterRole yang dikecualikan yang disediakan sebagai pengecualian. Tidak membatasi akses karakter pengganti ke subresource, seperti '"/status"'.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sProhibitRoleWildcardAccess
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptions <object>: The list of exempted Roles and/or ClusterRoles name
    # that are allowed to set  resource access to a wildcard.
    exemptions:
      clusterRoles:
        - # name <string>: The name of the ClusterRole to be exempted.
          name: <string>
          # regexMatch <boolean>: The flag to allow a regular expression
          # based match on the name.
          regexMatch: <boolean>
      roles:
        - # name <string>: The name of the Role to be exempted.
          name: <string>
          # namespace <string>: The namespace of the Role to be exempted.
          namespace: <string>

Contoh

prohibit-role-wildcard-access-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sProhibitRoleWildcardAccess
metadata:
  name: prohibit-role-wildcard-access-sample
spec:
  enforcementAction: dryrun
Diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: cluster-role-example
rules:
- apiGroups:
  - ""
  resources:
  - pods
  verbs:
  - get
Tidak diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: cluster-role-bad-example
rules:
- apiGroups:
  - ""
  resources:
  - pods
  verbs:
  - '*'
prohibit-wildcard-except-exempted-cluster-role
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sProhibitRoleWildcardAccess
metadata:
  name: prohibit-wildcard-except-exempted-cluster-role
spec:
  enforcementAction: dryrun
  parameters:
    exemptions:
      clusterRoles:
      - name: cluster-role-allowed-example
      roles:
      - name: role-allowed-example
        namespace: role-ns-allowed-example
Diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: cluster-role-allowed-example
rules:
- apiGroups:
  - ""
  resources:
  - pods
  verbs:
  - '*'
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: role-allowed-example
  namespace: role-ns-allowed-example
rules:
- apiGroups:
  - ""
  resources:
  - pods
  verbs:
  - '*'
Tidak diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: cluster-role-not-allowed-example
rules:
- apiGroups:
  - ""
  resources:
  - pods
  verbs:
  - '*'
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: role-not-allowed-example
  namespace: role-ns-not-allowed-example
rules:
- apiGroups:
  - ""
  resources:
  - pods
  verbs:
  - '*'

K8sReplicaLimits

Batas Replika v1.0.2

Mewajibkan objek dengan kolom spec.replicas (Deployment, ReplicaSets, dll.) menentukan jumlah replika dalam rentang yang ditentukan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sReplicaLimits
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # ranges <array>: Allowed ranges for numbers of replicas.  Values are
    # inclusive.
    ranges:
      # <list item: object>: A range of allowed replicas.  Values are
      # inclusive.
      - # max_replicas <integer>: The maximum number of replicas allowed,
        # inclusive.
        max_replicas: <integer>
        # min_replicas <integer>: The minimum number of replicas allowed,
        # inclusive.
        min_replicas: <integer>

Contoh

replica-limits
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sReplicaLimits
metadata:
  name: replica-limits
spec:
  match:
    kinds:
    - apiGroups:
      - apps
      kinds:
      - Deployment
  parameters:
    ranges:
    - max_replicas: 50
      min_replicas: 3
Diizinkan
apiVersion: apps/v1
kind: Deployment
metadata:
  name: allowed-deployment
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80
Tidak diizinkan
apiVersion: apps/v1
kind: Deployment
metadata:
  name: disallowed-deployment
spec:
  replicas: 100
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80

K8sRequireAdmissionController

Memerlukan Pengontrol Penerimaan v1.0.0

Memerlukan Penerimaan Keamanan Pod atau sistem kontrol kebijakan eksternal

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireAdmissionController
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # permittedValidatingWebhooks <array>: List of permitted validating
    # webhooks which are valid external policy control systems
    permittedValidatingWebhooks:
      - <string>

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: "admissionregistration.k8s.io"
        version: "v1" OR "v1beta1"
        kind: "ValidatingWebhookConfiguration"

Contoh

pengontrol persyaratan masuk
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireAdmissionController
metadata:
  name: require-admission-controller
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Namespace
Diizinkan
apiVersion: v1
kind: Namespace
metadata:
  labels:
    pod-security.kubernetes.io/enforce: baseline
    pod-security.kubernetes.io/enforce-version: v1.28
  name: allowed-namespace
Tidak diizinkan
apiVersion: v1
kind: Namespace
metadata:
  name: disallowed-namespace

K8sMembutuhkanBinAuthZ

Memerlukan Otorisasi Biner v1.0.2

Memerlukan Webhook Pendaftaran Validasi Otorisasi Biner. Batasan yang menggunakan ConstraintTemplate ini hanya akan diaudit, terlepas dari nilai enforcementAction.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireBinAuthZ
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: "admissionregistration.k8s.io"
        version: "v1" OR "v1beta1"
        kind: "ValidatingWebhookConfiguration"

Contoh

require-binauthz
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireBinAuthZ
metadata:
  name: require-binauthz
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Namespace
Diizinkan
apiVersion: v1
kind: Namespace
metadata:
  name: default
---
# Referential Data
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
  name: binauthz-admission-controller
webhooks:
- admissionReviewVersions:
  - v1
  - v1beta1
  clientConfig:
    url: https://binaryauthorization.googleapis.com/internal/projects/ap-bps-experimental-gke/policy/locations/us-central1/clusters/acm-test-cluster:admissionReview
  name: imagepolicywebhook.image-policy.k8s.io
  rules:
  - operations:
    - CREATE
    - UPDATE
  - apiVersion:
    - v1
  sideEffects: None
Tidak diizinkan
apiVersion: v1
kind: Namespace
metadata:
  name: default

K8sRequireCosNodeImage

Memerlukan Image Node COS v1.1.1

Menerapkan penggunaan Container-Optimized OS dari Google di Node.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireCosNodeImage
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptOsImages <array>: A list of exempt OS Images.
    exemptOsImages:
      - <string>

Contoh

nodes-have-consistent-time
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireCosNodeImage
metadata:
  name: nodes-have-consistent-time
spec:
  enforcementAction: dryrun
  parameters:
    exemptOsImages:
    - Debian
    - Ubuntu*
Diizinkan
apiVersion: v1
kind: Node
metadata:
  name: allowed-example
status:
  nodeInfo:
    osImage: Container-Optimized OS from Google
apiVersion: v1
kind: Node
metadata:
  name: example-exempt
status:
  nodeInfo:
    osImage: Debian
apiVersion: v1
kind: Node
metadata:
  name: example-exempt-wildcard
status:
  nodeInfo:
    osImage: Ubuntu 18.04.5 LTS
Tidak diizinkan
apiVersion: v1
kind: Node
metadata:
  name: disallowed-example
status:
  nodeInfo:
    osImage: Debian GNUv1.0

K8sRequireDaemonsets

Daemonset yang Diperlukan v1.1.2

Mewajibkan daftar daemonset yang ditentukan untuk ada.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireDaemonsets
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # requiredDaemonsets <array>: A list of names and namespaces of the
    # required daemonsets.
    requiredDaemonsets:
      - # name <string>: The name of the required daemonset.
        name: <string>
        # namespace <string>: The namespace for the required daemonset.
        namespace: <string>
    # restrictNodeSelector <boolean>: The daemonsets cannot include
    # `NodeSelector`.
    restrictNodeSelector: <boolean>

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: "extensions"
        version: "v1beta1"
        kind: "DaemonSet"
      OR
      - group: "apps"
        version: "v1beta2" OR "v1"
        kind: "DaemonSet"

Contoh

require-daemonset
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireDaemonsets
metadata:
  name: require-daemonset
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Namespace
  parameters:
    requiredDaemonsets:
    - name: clamav
      namespace: pci-dss-av
    restrictNodeSelector: true
Diizinkan
apiVersion: v1
kind: Namespace
metadata:
  name: pci-dss-av
---
# Referential Data
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: other
  namespace: pci-dss-av
spec:
  selector:
    matchLabels:
      name: other
  template:
    spec:
      containers:
      - image: us.gcr.io/{your-project-id}/other:latest
        name: other
---
# Referential Data
apiVersion: apps/v1
kind: DaemonSet
metadata:
  labels:
    k8s-app: clamav-host-scanner
  name: clamav
  namespace: pci-dss-av
spec:
  selector:
    matchLabels:
      name: clamav
  template:
    metadata:
      labels:
        name: clamav
    spec:
      containers:
      - image: us.gcr.io/{your-project-id}/clamav:latest
        livenessProbe:
          exec:
            command:
            - /health.sh
          initialDelaySeconds: 60
          periodSeconds: 30
        name: clamav-scanner
        resources:
          limits:
            memory: 3Gi
          requests:
            cpu: 500m
            memory: 2Gi
        volumeMounts:
        - mountPath: /data
          name: data-vol
        - mountPath: /host-fs
          name: host-fs
          readOnly: true
        - mountPath: /logs
          name: logs
      terminationGracePeriodSeconds: 30
      tolerations:
      - effect: NoSchedule
        key: node-role.kubernetes.io/master
      volumes:
      - emptyDir: {}
        name: data-vol
      - hostPath:
          path: /
        name: host-fs
      - hostPath:
          path: /var/log/clamav
        name: logs
Tidak diizinkan
apiVersion: v1
kind: Namespace
metadata:
  name: pci-dss-av
apiVersion: v1
kind: Namespace
metadata:
  name: pci-dss-av
---
# Referential Data
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: other
  namespace: pci-dss-av
spec:
  selector:
    matchLabels:
      name: other
  template:
    spec:
      containers:
      - image: us.gcr.io/{your-project-id}/other:latest
        name: other
apiVersion: v1
kind: Namespace
metadata:
  name: pci-dss-av
---
# Referential Data
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: clamav
  namespace: pci-dss-av
spec:
  selector:
    matchLabels:
      name: clamav
  template:
    spec:
      containers:
      - image: us.gcr.io/{your-project-id}/other:latest
        name: clamav
      nodeSelector:
        cloud.google.com/gke-spot: "true"

K8sRequireDefaultDenyEgressPolicy

Wajibkan Kebijakan Tolak Traffic Keluar Default v1.0.3

Mengharuskan bahwa setiap namespace yang ditentukan dalam cluster memiliki NetworkPolicy default yang menolak traffic keluar.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireDefaultDenyEgressPolicy
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: "extensions"
        version: "v1beta1"
        kind: "NetworkPolicy"
      OR
      - group: "networking.k8s.io"
        version: "v1"
        kind: "NetworkPolicy"

Contoh

require-default-deny-network-policies
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireDefaultDenyEgressPolicy
metadata:
  name: require-default-deny-network-policies
spec:
  enforcementAction: dryrun
Diizinkan
apiVersion: v1
kind: Namespace
metadata:
  name: example-namespace
---
# Referential Data
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-egress
  namespace: example-namespace
spec:
  podSelector: {}
  policyTypes:
  - Egress
Tidak diizinkan
apiVersion: v1
kind: Namespace
metadata:
  name: example-namespace
apiVersion: v1
kind: Namespace
metadata:
  name: example-namespace2
---
# Referential Data
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: default-deny-egress
  namespace: example-namespace
spec:
  podSelector: {}
  policyTypes:
  - Egress

K8sRequireNamespaceNetworkPolicies

Mewajibkan Kebijakan Jaringan Namespace v1.0.6

Mengharuskan setiap namespace yang ditentukan di cluster memiliki NetworkPolicy.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireNamespaceNetworkPolicies
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: "extensions"
        version: "v1beta1"
        kind: "NetworkPolicy"
      OR
      - group: "networking.k8s.io"
        version: "v1"
        kind: "NetworkPolicy"

Contoh

require-namespace-network-policies-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireNamespaceNetworkPolicies
metadata:
  name: require-namespace-network-policies-sample
spec:
  enforcementAction: dryrun
Diizinkan
apiVersion: v1
kind: Namespace
metadata:
  name: require-namespace-network-policies-example
---
# Referential Data
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-network-policy
  namespace: require-namespace-network-policies-example
Tidak diizinkan
apiVersion: v1
kind: Namespace
metadata:
  name: require-namespace-network-policies-example

K8sRequireValidRangesForNetworks

Memerlukan Rentang yang Valid untuk Jaringan v1.0.2

Menerapkan blok CIDR yang diizinkan untuk traffic masuk dan keluar jaringan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireValidRangesForNetworks
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedEgress <array>: IP ranges in CIDR format (0.0.0.0/32) that are
    # allowed for egress.
    allowedEgress:
      - <string>
    # allowedIngress <array>: IP ranges in CIDR format (0.0.0.0/32) that are
    # allowed for ingress.
    allowedIngress:
      - <string>

Contoh

require-valid-network-ranges
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequireValidRangesForNetworks
metadata:
  name: require-valid-network-ranges
spec:
  enforcementAction: dryrun
  parameters:
    allowedEgress:
    - 10.0.0.0/32
    allowedIngress:
    - 10.0.0.0/24
Diizinkan
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-network-policy
  namespace: default
spec:
  egress:
  - ports:
    - port: 5978
      protocol: TCP
    to:
    - ipBlock:
        cidr: 10.0.0.0/32
  ingress:
  - from:
    - ipBlock:
        cidr: 10.0.0.0/29
    - ipBlock:
        cidr: 10.0.0.100/29
    - namespaceSelector:
        matchLabels:
          project: myproject
    - podSelector:
        matchLabels:
          role: frontend
    ports:
    - port: 6379
      protocol: TCP
  podSelector:
    matchLabels:
      role: db
  policyTypes:
  - Ingress
  - Egress
Tidak diizinkan
apiVersion: networking.k8s.io/v1
kind: NetworkPolicy
metadata:
  name: test-network-policy-disallowed
  namespace: default
spec:
  egress:
  - ports:
    - port: 5978
      protocol: TCP
    to:
    - ipBlock:
        cidr: 1.1.2.0/31
  ingress:
  - from:
    - ipBlock:
        cidr: 1.1.2.0/24
    - ipBlock:
        cidr: 2.1.2.0/24
    - namespaceSelector:
        matchLabels:
          project: myproject
    - podSelector:
        matchLabels:
          role: frontend
    ports:
    - port: 6379
      protocol: TCP
  podSelector:
    matchLabels:
      role: db
  policyTypes:
  - Ingress
  - Egress

K8sRequiredAnnotations

Anotasi yang Diperlukan v1.0.1

Memerlukan resource untuk memuat anotasi yang ditentukan, dengan nilai yang cocok dengan ekspresi reguler yang disediakan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequiredAnnotations
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # annotations <array>: A list of annotations and values the object must
    # specify.
    annotations:
      - # allowedRegex <string>: If specified, a regular expression the
        # annotation's value must match. The value must contain at least one
        # match for the regular expression.
        allowedRegex: <string>
        # key <string>: The required annotation.
        key: <string>
    message: <string>

Contoh

all-must-have-certain-set-of-annotations
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequiredAnnotations
metadata:
  name: all-must-have-certain-set-of-annotations
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Service
  parameters:
    annotations:
    - allowedRegex: ^([A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,6}|[a-z]{1,39})$
      key: a8r.io/owner
    - allowedRegex: ^(http:\/\/www\.|https:\/\/www\.|http:\/\/|https:\/\/)?[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$
      key: a8r.io/runbook
    message: All services must have a `a8r.io/owner` and `a8r.io/runbook` annotations.
Diizinkan
apiVersion: v1
kind: Service
metadata:
  annotations:
    a8r.io/owner: dev-team-alfa@contoso.com
    a8r.io/runbook: https://confluence.contoso.com/dev-team-alfa/runbooks
  name: allowed-service
spec:
  ports:
  - name: http
    port: 80
    targetPort: 8080
  selector:
    app: foo
Tidak diizinkan
apiVersion: v1
kind: Service
metadata:
  name: disallowed-service
spec:
  ports:
  - name: http
    port: 80
    targetPort: 8080
  selector:
    app: foo

K8sRequiredLabels

Label yang Diperlukan v1.0.1

Memerlukan resource untuk memuat label yang ditentukan, dengan nilai yang cocok dengan ekspresi reguler yang disediakan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequiredLabels
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # labels <array>: A list of labels and values the object must specify.
    labels:
      - # allowedRegex <string>: If specified, a regular expression the
        # annotation's value must match. The value must contain at least one
        # match for the regular expression.
        allowedRegex: <string>
        # key <string>: The required label.
        key: <string>
    message: <string>

Contoh

all-must-have-owner
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequiredLabels
metadata:
  name: all-must-have-owner
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Namespace
  parameters:
    labels:
    - allowedRegex: ^[a-zA-Z]+.agilebank.demo$
      key: owner
    message: All namespaces must have an `owner` label that points to your company
      username
Diizinkan
apiVersion: v1
kind: Namespace
metadata:
  labels:
    owner: user.agilebank.demo
  name: allowed-namespace
Tidak diizinkan
apiVersion: v1
kind: Namespace
metadata:
  name: disallowed-namespace

K8sRequiredProbes

Probe yang Diperlukan v1.0.1

Memerlukan Pod untuk memiliki pemeriksaan kesiapan dan/atau keaktifan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequiredProbes
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # probeTypes <array>: The probe must define a field listed in `probeType`
    # in order to satisfy the constraint (ex. `tcpSocket` satisfies
    # `['tcpSocket', 'exec']`)
    probeTypes:
      - <string>
    # probes <array>: A list of probes that are required (ex: `readinessProbe`)
    probes:
      - <string>

Contoh

must-have-probes
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequiredProbes
metadata:
  name: must-have-probes
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    probeTypes:
    - tcpSocket
    - httpGet
    - exec
    probes:
    - readinessProbe
    - livenessProbe
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: test-pod1
spec:
  containers:
  - image: tomcat
    livenessProbe:
      initialDelaySeconds: 5
      periodSeconds: 10
      tcpSocket:
        port: 80
    name: tomcat
    ports:
    - containerPort: 8080
    readinessProbe:
      initialDelaySeconds: 5
      periodSeconds: 10
      tcpSocket:
        port: 8080
  volumes:
  - emptyDir: {}
    name: cache-volume
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: test-pod1
spec:
  containers:
  - image: nginx:1.7.9
    name: nginx-1
    ports:
    - containerPort: 80
    volumeMounts:
    - mountPath: /tmp/cache
      name: cache-volume
  - image: tomcat
    name: tomcat
    ports:
    - containerPort: 8080
    readinessProbe:
      initialDelaySeconds: 5
      periodSeconds: 10
      tcpSocket:
        port: 8080
  volumes:
  - emptyDir: {}
    name: cache-volume
apiVersion: v1
kind: Pod
metadata:
  name: test-pod2
spec:
  containers:
  - image: nginx:1.7.9
    livenessProbe:
      initialDelaySeconds: 5
      periodSeconds: 10
      tcpSocket:
        port: 80
    name: nginx-1
    ports:
    - containerPort: 80
    volumeMounts:
    - mountPath: /tmp/cache
      name: cache-volume
  - image: tomcat
    name: tomcat
    ports:
    - containerPort: 8080
    readinessProbe:
      initialDelaySeconds: 5
      periodSeconds: 10
      tcpSocket:
        port: 8080
  volumes:
  - emptyDir: {}
    name: cache-volume

K8sRequiredResources

Sumber Daya yang Diperlukan v1.0.1

Mewajibkan container telah menetapkan resource yang ditentukan. https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequiredResources
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exemptImages <array>: Any container that uses an image that matches an
    # entry in this list will be excluded from enforcement. Prefix-matching can
    # be signified with `*`. For example: `my-image-*`. It is recommended that
    # users use the fully-qualified Docker image name (e.g. start with a domain
    # name) in order to avoid unexpectedly exempting images from an untrusted
    # repository.
    exemptImages:
      - <string>
    # limits <array>: A list of limits that should be enforced (`cpu`,
    # `memory`, or both).
    limits:
      # Allowed Values: cpu, memory
      - <string>
    # requests <array>: A list of requests that should be enforced (`cpu`,
    # `memory`, or both).
    requests:
      # Allowed Values: cpu, memory
      - <string>

Contoh

container-must-have-limits-and-requests
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequiredResources
metadata:
  name: container-must-have-limits-and-requests
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    limits:
    - cpu
    - memory
    requests:
    - cpu
    - memory
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        memory: 1Gi
      requests:
        cpu: 100m
        memory: 1Gi
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      requests:
        cpu: 100m
        memory: 2Gi
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        memory: 2Gi
      requests:
        cpu: 100m
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        memory: 2Gi
container-must-have-cpu-requests-memory-limits-and-requests
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequiredResources
metadata:
  name: container-must-have-cpu-requests-memory-limits-and-requests
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    limits:
    - memory
    requests:
    - cpu
    - memory
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        memory: 1Gi
      requests:
        cpu: 100m
        memory: 1Gi
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        memory: 2Gi
      requests:
        cpu: 100m
        memory: 2Gi
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      requests:
        cpu: 100m
        memory: 2Gi
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        memory: 2Gi
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources: {}
tidak ada penegakan
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRequiredResources
metadata:
  name: no-enforcements
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-allowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        cpu: 100m
        memory: 1Gi
      requests:
        cpu: 100m
        memory: 1Gi
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      requests:
        cpu: 100m
        memory: 2Gi
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources:
      limits:
        memory: 2Gi
      requests:
        cpu: 100m
apiVersion: v1
kind: Pod
metadata:
  labels:
    owner: me.agilebank.demo
  name: opa-disallowed
spec:
  containers:
  - args:
    - run
    - --server
    - --addr=localhost:8080
    image: openpolicyagent/opa:0.9.2
    name: opa
    resources: {}

K8sRestrictAdmissionController

Batasi Pengontrol Tiket Masuk v1.0.0

Batasi pengontrol akses masuk dinamis ke pengontrol yang diizinkan

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictAdmissionController
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # permittedMutatingWebhooks <array>: List of permitted mutating webhooks
    # (mutating admission controllers)
    permittedMutatingWebhooks:
      - <string>
    # permittedValidatingWebhooks <array>: List of permitted validating
    # webhooks (validating admission controllers)
    permittedValidatingWebhooks:
      - <string>

Contoh

pengontrol-akses-akses
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictAdmissionController
metadata:
  name: restrict-admission-controller
spec:
  match:
    kinds:
    - apiGroups:
      - admissionregistration.k8s.io
      kinds:
      - MutatingWebhookConfiguration
      - ValidatingWebhookConfiguration
  parameters:
    permittedMutatingWebhooks:
    - allowed-mutating-webhook
    permittedValidatingWebhooks:
    - allowed-validating-webhook
Diizinkan
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
  name: allowed-validating-webhook
Tidak diizinkan
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
  name: disallowed-validating-webhook

K8sRestrictAutomountServiceAccountTokens

Membatasi Token Akun Layanan v1.0.1

Membatasi penggunaan token akun layanan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictAutomountServiceAccountTokens
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

restrict-serviceaccounttokens
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictAutomountServiceAccountTokens
metadata:
  name: restrict-serviceaccounttokens
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
      - ServiceAccount
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: allowed-example-pod
spec:
  containers:
  - image: nginx
    name: nginx
apiVersion: v1
kind: ServiceAccount
metadata:
  name: disallowed-example-serviceaccount
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: disallowed-example-pod
spec:
  automountServiceAccountToken: true
  containers:
  - image: nginx
    name: nginx
apiVersion: v1
automountServiceAccountToken: true
kind: ServiceAccount
metadata:
  name: allowed-example-serviceaccount

K8sRestrictLabels

Membatasi Label v1.0.2

Melarang resource berisi label yang ditentukan kecuali ada pengecualian untuk resource tertentu.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictLabels
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # exceptions <array>: Objects listed here are exempt from enforcement of
    # this constraint. All fields must be provided.
    exceptions:
      # <list item: object>: A single object's identification, based on group,
      # kind, namespace, and name.
      - # group <string>: The Kubernetes group of the exempt object.
        group: <string>
        # kind <string>: The Kubernetes kind of the exempt object.
        kind: <string>
        # name <string>: The name of the exempt object.
        name: <string>
        # namespace <string>: The namespace of the exempt object. For
        # cluster-scoped resources, use the empty string `""`.
        namespace: <string>
    # restrictedLabels <array>: A list of label keys strings.
    restrictedLabels:
      - <string>

Contoh

batasi-label-contoh
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictLabels
metadata:
  name: restrict-label-example
spec:
  enforcementAction: dryrun
  parameters:
    exceptions:
    - group: ""
      kind: Pod
      name: allowed-example
      namespace: default
    restrictedLabels:
    - label-example
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    label-example: example
  name: allowed-example
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    label-example: example
  name: disallowed-example
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx

K8sRestrictNamespaces

Membatasi Namespace v1.0.1

Membatasi resource agar tidak menggunakan namespace yang tercantum di parameter restrictedNamespaces.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictNamespaces
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # restrictedNamespaces <array>: A list of Namespaces to restrict.
    restrictedNamespaces:
      - <string>

Contoh

restrict-default-namespace-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictNamespaces
metadata:
  name: restrict-default-namespace-sample
spec:
  enforcementAction: dryrun
  parameters:
    restrictedNamespaces:
    - default
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: allowed-example
  namespace: test-namespace
spec:
  containers:
  - image: nginx
    name: nginx
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  name: disallowed-example
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx

K8sRestrictNfsUrls

Batasi URL NFS v1.0.1

Melarang resource berisi URL NFS kecuali jika ditentukan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictNfsUrls
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedNfsUrls <array>: A list of allowed NFS URLs
    allowedNfsUrls:
      - <string>

Contoh

batasi-label-contoh
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictNfsUrls
metadata:
  name: restrict-label-example
spec:
  enforcementAction: dryrun
  parameters:
    allowedNfsUrls:
    - my-nfs-server.example.com/my-nfs-volume
    - my-nfs-server.example.com/my-wildcard-nfs-volume/*
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    label-example: example
  name: allowed-example
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
apiVersion: v1
kind: Pod
metadata:
  labels:
    label-example: example
  name: allowed-example-nfs
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
  - name: test-volume
    nfs:
      path: /my-nfs-volume
      server: my-nfs-server.example.com
apiVersion: v1
kind: Pod
metadata:
  labels:
    label-example: example
  name: allowed-example-nfs-wildcard
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
  - name: test-volume
    nfs:
      path: /my-nfs-volume/my-wildcard-nfs-volume/wildcard_matched_path
      server: my-nfs-server.example.com
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    label-example: example
  name: disallowed-example-nfs
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
  volumes:
  - name: test-volume
    nfs:
      path: /my-nfs-volume
      server: disallowed-nfs-server.example.com
apiVersion: v1
kind: Pod
metadata:
  labels:
    label-example: example
  name: disallowed-example-nfs-mixed
  namespace: default
spec:
  containers:
  - image: nginx
    name: nginx
  volumes:
  - name: test-volume-allowed
    nfs:
      path: /my-nfs-volume
      server: my-nfs-server.example.com
  - name: test-volume-disallowed
    nfs:
      path: /my-nfs-volume
      server: disallowed-nfs-server.example.com

K8sRestrictRbacSubjects

Batasi Subjek RBAC v1.0.3

Membatasi penggunaan nama dalam subjek RBAC ke nilai yang diizinkan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictRbacSubjects
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedSubjects <array>: The list of names permitted in RBAC subjects.
    allowedSubjects:
      - # name <string>: The exact-name or the pattern of the allowed subject
        name: <string>
        # regexMatch <boolean>: The flag to allow a regular expression based
        # match on the name.
        regexMatch: <boolean>

Contoh

restrict-rbac-subjects
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictRbacSubjects
metadata:
  name: restrict-rbac-subjects
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - rbac.authorization.k8s.io
      kinds:
      - RoleBinding
      - ClusterRoleBinding
  parameters:
    allowedSubjects:
    - name: system:masters
    - name: ^.+@gcp-sa-[a-z-]+.iam.gserviceaccount.com$
      regexMatch: true
    - name: ^.+@system.gserviceaccount.com$
      regexMatch: true
    - name: ^.+@google.com$
      regexMatch: true
Diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: good-clusterrolebinding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- apiGroup: rbac.authorization.k8s.io
  kind: User
  name: user@google.com
- apiGroup: rbac.authorization.k8s.io
  kind: Group
  name: system:masters
- apiGroup: rbac.authorization.k8s.io
  kind: User
  name: service-1234567890@gcp-sa-ktd-control.iam.gserviceaccount.com
Tidak diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: bad-clusterrolebinding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- apiGroup: rbac.authorization.k8s.io
  kind: User
  name: user1@example.com
- apiGroup: rbac.authorization.k8s.io
  kind: User
  name: user2@example.com

K8sRestrictRoleBindings

Membatasi Binding Peran v1.0.3

Membatasi subjek yang ditentukan dalam ClusterRoleBindings dan RoleBindings ke daftar subjek yang diizinkan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictRoleBindings
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedSubjects <array>: The list of subjects that are allowed to bind to
    # the restricted role.
    allowedSubjects:
      - # apiGroup <string>: The Kubernetes API group of the subject.
        apiGroup: <string>
        # kind <string>: The Kubernetes kind of the subject.
        kind: <string>
        # name <string>: The name of the subject which is matched exactly as
        # provided as well as based on a regular expression.
        name: <string>
        # regexMatch <boolean>: The flag to allow a regular expression based
        # match on the name.
        regexMatch: <boolean>
    # restrictedRole <object>: The role that cannot be bound to unless
    # expressly allowed.
    restrictedRole:
      # apiGroup <string>: The Kubernetes API group of the role.
      apiGroup: <string>
      # kind <string>: The Kubernetes kind of the role.
      kind: <string>
      # name <string>: The name of the role.
      name: <string>

Contoh

restrict-clusteradmin-rolebindings-sample
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictRoleBindings
metadata:
  name: restrict-clusteradmin-rolebindings-sample
spec:
  enforcementAction: dryrun
  parameters:
    allowedSubjects:
    - apiGroup: rbac.authorization.k8s.io
      kind: Group
      name: system:masters
    restrictedRole:
      apiGroup: rbac.authorization.k8s.io
      kind: ClusterRole
      name: cluster-admin
Diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: good-clusterrolebinding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- apiGroup: rbac.authorization.k8s.io
  kind: Group
  name: system:masters
Tidak diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: bad-clusterrolebinding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- apiGroup: rbac.authorization.k8s.io
  kind: Group
  name: system:unauthenticated
restrict-clusteradmin-rolebindings-regex
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictRoleBindings
metadata:
  name: restrict-clusteradmin-rolebindings-regex
spec:
  enforcementAction: dryrun
  parameters:
    allowedSubjects:
    - apiGroup: rbac.authorization.k8s.io
      kind: User
      name: ^service-[0-9]+@gcp-sa-anthosconfigmanagement.iam.gserviceaccount.com$
      regexMatch: true
    restrictedRole:
      apiGroup: rbac.authorization.k8s.io
      kind: ClusterRole
      name: cluster-admin
Diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: good-clusterrolebinding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- apiGroup: rbac.authorization.k8s.io
  kind: User
  name: service-123456789@gcp-sa-anthosconfigmanagement.iam.gserviceaccount.com
Tidak diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: bad-clusterrolebinding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: cluster-admin
subjects:
- apiGroup: rbac.authorization.k8s.io
  kind: User
  name: someotherservice-123456789@gcp-sa-anthosconfigmanagement.iam.gserviceaccount.com

K8sRestrictRoleRules

Membatasi aturan Peran dan ClusterRole. v1.0.4

Membatasi aturan yang dapat ditetapkan pada objek Role dan ClusterRole.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictRoleRules
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedRules <array>: AllowedRules is the list of rules that are allowed
    # on Role or ClusterRole objects. If set, any item off this list will be
    # rejected.
    allowedRules:
      - # apiGroups <array>: APIGroups is the name of the APIGroup that
        # contains the resources. If multiple API groups are specified, any
        # action requested against one of the enumerated resources in any API
        # group will be allowed. "" represents the core API group and "*"
        # represents all API groups.
        apiGroups:
          - <string>
        # resources <array>: Resources is a list of resources this rule
        # applies to. '*' represents all resources.
        resources:
          - <string>
        # verbs <array>: Verbs is a list of Verbs that apply to ALL the
        # ResourceKinds contained in this rule. '*' represents all verbs.
        verbs:
          - <string>
    # disallowedRules <array>: DisallowedRules is the list of rules that are
    # NOT allowed on Role or ClusterRole objects. If set, any item on this list
    # will be rejected.
    disallowedRules:
      - # apiGroups <array>: APIGroups is the name of the APIGroup that
        # contains the resources. If multiple API groups are specified, any
        # action requested against one of the enumerated resources in any API
        # group will be disallowed. "" represents the core API group and "*"
        # represents all API groups.
        apiGroups:
          - <string>
        # resources <array>: Resources is a list of resources this rule
        # applies to. '*' represents all resources.
        resources:
          - <string>
        # verbs <array>: Verbs is a list of Verbs that apply to ALL the
        # ResourceKinds contained in this rule. '*' represents all verbs.
        verbs:
          - <string>
    # exemptions <object>: Exemptions is the list of Roles and/or ClusterRoles
    # names that are allowed to violate this policy.
    exemptions:
      clusterRoles:
        - # name <string>: Name is the name or a pattern of the ClusterRole
          # to be exempted.
          name: <string>
          # regexMatch <boolean>: RegexMatch is the flag to toggle exact vs
          # regex match of the ClusterRole name.
          regexMatch: <boolean>
      roles:
        - # name <string>: Name is the name of the Role to be exempted.
          name: <string>
          # namespace <string>: Namespace is the namespace of the Role to be
          # exempted.
          namespace: <string>

Contoh

restrict-pods-exec
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sRestrictRoleRules
metadata:
  name: restrict-pods-exec
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - rbac.authorization.k8s.io
      kinds:
      - Role
      - ClusterRole
  parameters:
    disallowedRules:
    - apiGroups:
      - ""
      resources:
      - pods/exec
      verbs:
      - create
Diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: allowed-role-example
rules:
- apiGroups:
  - ""
  resources:
  - pods
  verbs:
  - get
  - list
  - watch
Tidak diizinkan
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: disallowed-cluster-role-example
rules:
- apiGroups:
  - ""
  resources:
  - pods/exec
  verbs:
  - '*'

K8sStorageClass

Kelas Penyimpanan v1.1.2

Memerlukan kelas penyimpanan yang ditentukan saat digunakan. Hanya Gatekeeper 3.9+ dan container non-efemeral yang didukung.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sStorageClass
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedStorageClasses <array>: An optional allow-list of storage classes.
    #  If specified, any storage class not in the `allowedStorageClasses`
    # parameter is disallowed.
    allowedStorageClasses:
      - <string>
    includeStorageClassesInMessage: <boolean>

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: "storage.k8s.io"
        version: "v1"
        kind: "StorageClass"

Contoh

storageclass
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sStorageClass
metadata:
  name: storageclass
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - PersistentVolumeClaim
    - apiGroups:
      - apps
      kinds:
      - StatefulSet
  parameters:
    includeStorageClassesInMessage: true
Diizinkan
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: ok
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 8Gi
  storageClassName: somestorageclass
  volumeMode: Filesystem
---
# Referential Data
allowVolumeExpansion: true
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: somestorageclass
provisioner: foo
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: volumeclaimstorageclass
spec:
  replicas: 1
  selector:
    matchLabels:
      app: volumeclaimstorageclass
  serviceName: volumeclaimstorageclass
  template:
    metadata:
      labels:
        app: volumeclaimstorageclass
    spec:
      containers:
      - image: registry.k8s.io/nginx-slim:0.8
        name: main
        volumeMounts:
        - mountPath: /usr/share/nginx/html
          name: data
  volumeClaimTemplates:
  - metadata:
      name: data
    spec:
      accessModes:
      - ReadWriteOnce
      resources:
        requests:
          storage: 1Gi
      storageClassName: somestorageclass
---
# Referential Data
allowVolumeExpansion: true
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: somestorageclass
provisioner: foo
Tidak diizinkan
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: badstorageclass
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 8Gi
  storageClassName: badstorageclass
  volumeMode: Filesystem
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: badvolumeclaimstorageclass
spec:
  replicas: 1
  selector:
    matchLabels:
      app: badvolumeclaimstorageclass
  serviceName: badvolumeclaimstorageclass
  template:
    metadata:
      labels:
        app: badvolumeclaimstorageclass
    spec:
      containers:
      - image: registry.k8s.io/nginx-slim:0.8
        name: main
        volumeMounts:
        - mountPath: /usr/share/nginx/html
          name: data
  volumeClaimTemplates:
  - metadata:
      name: data
    spec:
      accessModes:
      - ReadWriteOnce
      resources:
        requests:
          storage: 1Gi
      storageClassName: badstorageclass
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: nostorageclass
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 8Gi
  volumeMode: Filesystem
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: novolumeclaimstorageclass
spec:
  replicas: 1
  selector:
    matchLabels:
      app: novolumeclaimstorageclass
  serviceName: novolumeclaimstorageclass
  template:
    metadata:
      labels:
        app: novolumeclaimstorageclass
    spec:
      containers:
      - image: registry.k8s.io/nginx-slim:0.8
        name: main
        volumeMounts:
        - mountPath: /usr/share/nginx/html
          name: data
  volumeClaimTemplates:
  - metadata:
      name: data
    spec:
      accessModes:
      - ReadWriteOnce
      resources:
        requests:
          storage: 1Gi
kelas-penyimpanan-diizinkan
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sStorageClass
metadata:
  name: allowed-storageclass
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - PersistentVolumeClaim
    - apiGroups:
      - apps
      kinds:
      - StatefulSet
  parameters:
    allowedStorageClasses:
    - allowed-storage-class
    includeStorageClassesInMessage: true
Diizinkan
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: allowed-storage-class-pvc
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 8Gi
  storageClassName: allowed-storage-class
  volumeMode: Filesystem
---
# Referential Data
allowVolumeExpansion: true
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: allowed-storage-class
provisioner: foo
Tidak diizinkan
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: disallowed-storage-class-pvc
spec:
  accessModes:
  - ReadWriteOnce
  resources:
    requests:
      storage: 8Gi
  storageClassName: disallowed-storage-class
  volumeMode: Filesystem
---
# Referential Data
allowVolumeExpansion: true
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: allowed-storage-class
provisioner: foo

K8sUniqueIngressHost

Host Ingress Unik v1.0.4

Mewajibkan semua host aturan Ingress harus unik. Tidak menangani karakter pengganti nama host: https://kubernetes.io/docs/concepts/services-networking/ingress/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sUniqueIngressHost
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: "extensions"
        version: "v1beta1"
        kind: "Ingress"
      OR
      - group: "networking.k8s.io"
        version: "v1beta1" OR "v1"
        kind: "Ingress"

Contoh

{i>unique-ingress-host<i}
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sUniqueIngressHost
metadata:
  name: unique-ingress-host
spec:
  match:
    kinds:
    - apiGroups:
      - extensions
      - networking.k8s.io
      kinds:
      - Ingress
Diizinkan
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-host-allowed
  namespace: default
spec:
  rules:
  - host: example-allowed-host.example.com
    http:
      paths:
      - backend:
          service:
            name: nginx
            port:
              number: 80
        path: /
        pathType: Prefix
  - host: example-allowed-host1.example.com
    http:
      paths:
      - backend:
          service:
            name: nginx2
            port:
              number: 80
        path: /
        pathType: Prefix
Tidak diizinkan
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-host-disallowed
  namespace: default
spec:
  rules:
  - host: example-host.example.com
    http:
      paths:
      - backend:
          service:
            name: nginx
            port:
              number: 80
        path: /
        pathType: Prefix
---
# Referential Data
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-host-example
  namespace: default
spec:
  rules:
  - host: example-host.example.com
    http:
      paths:
      - backend:
          service:
            name: nginx
            port:
              number: 80
        path: /
        pathType: Prefix
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-host-disallowed2
  namespace: default
spec:
  rules:
  - host: example-host2.example.com
    http:
      paths:
      - backend:
          service:
            name: nginx
            port:
              number: 80
        path: /
        pathType: Prefix
  - host: example-host3.example.com
    http:
      paths:
      - backend:
          service:
            name: nginx2
            port:
              number: 80
        path: /
        pathType: Prefix
---
# Referential Data
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: ingress-host-example2
  namespace: default
spec:
  rules:
  - host: example-host2.example.com
    http:
      paths:
      - backend:
          service:
            name: nginx
            port:
              number: 80
        path: /
        pathType: Prefix

K8sUniqueServiceSelector

Pemilih Layanan Unik v1.0.2

Layanan mengharuskan Layanan memiliki pemilih unik dalam namespace. Pemilih dianggap sama jika memiliki kunci dan nilai yang identik. Pemilih dapat menggunakan pasangan kunci/nilai yang sama selama ada minimal satu pasangan kunci/nilai yang berbeda di antara keduanya. https://kubernetes.io/docs/concepts/services-networking/service/#defining-a-service

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sUniqueServiceSelector
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Batasan Referensial

Batasan ini bersifat referensial. Sebelum menggunakan, Anda harus mengaktifkan batasan referensial dan membuat konfigurasi yang memberi tahu Pengontrol Kebijakan jenis objek yang perlu dipantau.

Pengontrol Kebijakan Anda, Config, akan memerlukan entri syncOnly yang mirip dengan:

spec:
  sync:
    syncOnly:
      - group: ""
        version: "v1"
        kind: "Service"

Contoh

pemilih-layanan-unik
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: K8sUniqueServiceSelector
metadata:
  labels:
    owner: admin.agilebank.demo
  name: unique-service-selector
Diizinkan
apiVersion: v1
kind: Service
metadata:
  name: gatekeeper-test-service-disallowed
  namespace: default
spec:
  ports:
  - port: 443
  selector:
    key: other-value
Tidak diizinkan
apiVersion: v1
kind: Service
metadata:
  name: gatekeeper-test-service-disallowed
  namespace: default
spec:
  ports:
  - port: 443
  selector:
    key: value
---
# Referential Data
apiVersion: v1
kind: Service
metadata:
  name: gatekeeper-test-service-example
  namespace: default
spec:
  ports:
  - port: 443
  selector:
    key: value

NoUpdateServiceAccount

Blokir update Akun Layanan v1.0.1

Memblokir update akun layanan pada resource yang abstrak di atas Pod. Kebijakan ini diabaikan dalam mode audit.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: NoUpdateServiceAccount
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedGroups <array>: Groups that should be allowed to bypass the
    # policy.
    allowedGroups:
      - <string>
    # allowedUsers <array>: Users that should be allowed to bypass the policy.
    allowedUsers:
      - <string>

Contoh

no-update-kube-system-service-account
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: NoUpdateServiceAccount
metadata:
  name: no-update-kube-system-service-account
spec:
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - ReplicationController
    - apiGroups:
      - apps
      kinds:
      - ReplicaSet
      - Deployment
      - StatefulSet
      - DaemonSet
    - apiGroups:
      - batch
      kinds:
      - CronJob
    namespaces:
    - kube-system
  parameters:
    allowedGroups: []
    allowedUsers: []
Diizinkan
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: policy-test
  name: policy-test
  namespace: kube-system
spec:
  replicas: 1
  selector:
    matchLabels:
      app: policy-test-deploy
  template:
    metadata:
      labels:
        app: policy-test-deploy
    spec:
      containers:
      - command:
        - /bin/bash
        - -c
        - sleep 99999
        image: ubuntu
        name: policy-test
      serviceAccountName: policy-test-sa-1

PolicyStrictOnly

Mewajibkan Kebijakan Istio mTLS STRICT v1.0.4

Mengharuskan TLS bersama Istio STRICT selalu ditentukan saat menggunakan PeerAuthentication. Batasan ini juga memastikan bahwa resource Policy dan MeshPolicy yang tidak digunakan lagi menerapkan TLS bersama STRICT. Lihat: https://istio.io/latest/docs/tasks/security/authentication/mtls-migration/#lock-down-mutual-tls-for-the-entire-mesh

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: PolicyStrictOnly
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

peerautentikasi-batasan-ketat
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: PolicyStrictOnly
metadata:
  name: peerauthentication-strict-constraint
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - security.istio.io
      kinds:
      - PeerAuthentication
    namespaces:
    - default
Diizinkan
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: mode-strict
  namespace: default
spec:
  mtls:
    mode: STRICT
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: mode-strict-port-level
  namespace: default
spec:
  mtls:
    mode: STRICT
  portLevelMtls:
    "8080":
      mode: STRICT
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: mode-strict-port-unset
  namespace: default
spec:
  mtls:
    mode: STRICT
  portLevelMtls:
    "8080":
      mode: UNSET
Tidak diizinkan
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: empty-mtls
  namespace: default
spec:
  mtls: {}
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: unspecified-mtls
  namespace: default
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: mode-null
  namespace: default
spec:
  mtls:
    mode: null
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: mtls-null
  namespace: default
spec:
  mtls: null
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: mode-permissive
  namespace: default
spec:
  mtls:
    mode: PERMISSIVE
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: mode-strict-port-permissive
  namespace: default
spec:
  mtls:
    mode: STRICT
  portLevelMtls:
    "8080":
      mode: PERMISSIVE
apiVersion: security.istio.io/v1beta1
kind: PeerAuthentication
metadata:
  name: mode-strict-port-permissive
  namespace: default
spec:
  mtls:
    mode: STRICT
  portLevelMtls:
    "8080":
      mode: PERMISSIVE
    "8081":
      mode: STRICT
deprecated-policy-strict-constraint
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: PolicyStrictOnly
metadata:
  name: deprecated-policy-strict-constraint
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - authentication.istio.io
      kinds:
      - Policy
    namespaces:
    - default
Diizinkan
apiVersion: authentication.istio.io/v1alpha1
kind: Policy
metadata:
  name: default-mode-strict
  namespace: default
spec:
  peers:
  - mtls:
      mode: STRICT
Tidak diizinkan
apiVersion: authentication.istio.io/v1alpha1
kind: Policy
metadata:
  name: default-mtls-empty
  namespace: default
spec:
  peers:
  - mtls: {}
apiVersion: authentication.istio.io/v1alpha1
kind: Policy
metadata:
  name: default-mtls-null
  namespace: default
spec:
  peers:
  - mtls: null
apiVersion: authentication.istio.io/v1alpha1
kind: Policy
metadata:
  name: peers-empty
  namespace: default
spec:
  peers: []
apiVersion: authentication.istio.io/v1alpha1
kind: Policy
metadata:
  name: policy-no-peers
  namespace: default
spec:
  targets:
  - name: httpbin
apiVersion: authentication.istio.io/v1alpha1
kind: Policy
metadata:
  name: policy-permissive
  namespace: default
spec:
  peers:
  - mtls:
      mode: PERMISSIVE

RestrictNetworkExclusions

Batasi Pengecualian Jaringan v1.0.2

Mengontrol port masuk, port keluar, dan rentang IP keluar mana yang dapat dikecualikan dari pengambilan jaringan Istio. Port dan rentang IP yang mengabaikan pengambilan jaringan Istio tidak ditangani oleh proxy Istio dan tidak tunduk pada autentikasi Istio mTLS, kebijakan otorisasi, dan fitur Istio lainnya. Batasan ini dapat digunakan untuk menerapkan batasan pada penggunaan anotasi berikut:

  • traffic.sidecar.istio.io/excludeInboundPorts
  • traffic.sidecar.istio.io/excludeOutboundPorts
  • traffic.sidecar.istio.io/excludeOutboundIPRanges

Lihat https://istio.io/latest/docs/reference/config/annotations/.

Saat membatasi rentang IP keluar, batasan tersebut menghitung apakah rentang IP yang dikecualikan cocok atau merupakan bagian dari pengecualian rentang IP yang diizinkan.

Saat menggunakan batasan ini, semua port masuk, port keluar dan rentang IP keluar harus selalu disertakan dengan menyetel anotasi "sertakan" yang sesuai ke "*" atau tidak menyetelnya. Menyetel salah satu anotasi berikut ke selain "*" tidak diizinkan:

  • traffic.sidecar.istio.io/includeInboundPorts
  • traffic.sidecar.istio.io/includeOutboundPorts
  • traffic.sidecar.istio.io/includeOutboundIPRanges

Batasan ini selalu memungkinkan pengecualian port 15020 karena injektor sidecar Istio selalu menambahkannya ke anotasi traffic.sidecar.istio.io/excludeInboundPorts sehingga dapat digunakan untuk health check.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: RestrictNetworkExclusions
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # allowedInboundPortExclusions <array>: A list of ports that this
    # constraint will allow in the
    # `traffic.sidecar.istio.io/excludeInboundPorts` annotation.
    allowedInboundPortExclusions:
      - <string>
    # allowedOutboundIPRangeExclusions <array>: A list of IP ranges that this
    # constraint will allow in the
    # `traffic.sidecar.istio.io/excludeOutboundIPRanges` annotation. The
    # constraint calculates whether excluded IP ranges match or are a subset of
    # the ranges in this list.
    allowedOutboundIPRangeExclusions:
      - <string>
    # allowedOutboundPortExclusions <array>: A list of ports that this
    # constraint will allow in the
    # `traffic.sidecar.istio.io/excludeOutboundPorts` annotation.
    allowedOutboundPortExclusions:
      - <string>

Contoh

restrict-network-exclusions
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: RestrictNetworkExclusions
metadata:
  name: restrict-network-exclusions
spec:
  enforcementAction: deny
  match:
    kinds:
    - apiGroups:
      - ""
      kinds:
      - Pod
  parameters:
    allowedInboundPortExclusions:
    - "80"
    allowedOutboundIPRangeExclusions:
    - 169.254.169.254/32
    allowedOutboundPortExclusions:
    - "8888"
Diizinkan
apiVersion: v1
kind: Pod
metadata:
  labels:
    app: nginx
  name: nothing-excluded
spec:
  containers:
  - image: nginx
    name: nginx
    ports:
    - containerPort: 80
apiVersion: v1
kind: Pod
metadata:
  annotations:
    traffic.sidecar.istio.io/excludeInboundPorts: "80"
    traffic.sidecar.istio.io/excludeOutboundIPRanges: 169.254.169.254/32
    traffic.sidecar.istio.io/excludeOutboundPorts: "8888"
  labels:
    app: nginx
  name: allowed-port-and-ip-exclusions
spec:
  containers:
  - image: nginx
    name: nginx
    ports:
    - containerPort: 80
apiVersion: v1
kind: Pod
metadata:
  annotations:
    traffic.sidecar.istio.io/excludeOutboundIPRanges: 169.254.169.254/32
    traffic.sidecar.istio.io/includeOutboundIPRanges: '*'
  labels:
    app: nginx
  name: all-ip-ranges-included-with-one-allowed-ip-excluded
spec:
  containers:
  - image: nginx
    name: nginx
    ports:
    - containerPort: 80
apiVersion: v1
kind: Pod
metadata:
  annotations:
    traffic.sidecar.istio.io/includeInboundPorts: '*'
    traffic.sidecar.istio.io/includeOutboundIPRanges: '*'
    traffic.sidecar.istio.io/includeOutboundPorts: '*'
  labels:
    app: nginx
  name: everything-included-with-no-exclusions
spec:
  containers:
  - image: nginx
    name: nginx
    ports:
    - containerPort: 80
Tidak diizinkan
apiVersion: v1
kind: Pod
metadata:
  annotations:
    traffic.sidecar.istio.io/excludeOutboundIPRanges: 1.1.2.0/24
  labels:
    app: nginx
  name: disallowed-ip-range-exclusion
spec:
  containers:
  - image: nginx
    name: nginx
    ports:
    - containerPort: 80
    - containerPort: 443
apiVersion: v1
kind: Pod
metadata:
  annotations:
    traffic.sidecar.istio.io/excludeOutboundIPRanges: 169.254.169.254/32,1.1.2.0/24
  labels:
    app: nginx
  name: one-disallowed-ip-exclusion-and-one-allowed-exclusion
spec:
  containers:
  - image: nginx
    name: nginx
    ports:
    - containerPort: 80
    - containerPort: 443
apiVersion: v1
kind: Pod
metadata:
  annotations:
    traffic.sidecar.istio.io/includeInboundPorts: 80,443
    traffic.sidecar.istio.io/includeOutboundIPRanges: 169.254.169.254/32
    traffic.sidecar.istio.io/includeOutboundPorts: "8888"
  labels:
    app: nginx
  name: disallowed-specific-port-and-ip-inclusions
spec:
  containers:
  - image: nginx
    name: nginx
    ports:
    - containerPort: 80

SourceNotAllAuthz

Memerlukan Sumber AuthorizationPolicy Istio untuk tidak semua v1.0.1

Aturan AuthorizationPolicy Istio harus memiliki akun utama sumber selain "*". https://istio.io/latest/docs/reference/config/security/authorization-policy/

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: SourceNotAllAuthz
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]

Contoh

sourcenotall-authz-constraint
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: SourceNotAllAuthz
metadata:
  name: sourcenotall-authz-constraint
spec:
  enforcementAction: dryrun
  match:
    kinds:
    - apiGroups:
      - security.istio.io
      kinds:
      - AuthorizationPolicy
Diizinkan
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: source-principals-good
  namespace: foo
spec:
  rules:
  - from:
    - source:
        principals:
        - cluster.local/ns/default/sa/sleep
    - source:
        namespaces:
        - test
    to:
    - operation:
        methods:
        - GET
        paths:
        - /info*
    - operation:
        methods:
        - POST
        paths:
        - /data
    when:
    - key: request.auth.claims[iss]
      values:
      - https://accounts.google.com
  selector:
    matchLabels:
      app: httpbin
      version: v1
Tidak diizinkan
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: source-principals-dne
  namespace: foo
spec:
  rules:
  - from:
    - source:
        namespaces:
        - test
    to:
    - operation:
        methods:
        - GET
        paths:
        - /info*
    - operation:
        methods:
        - POST
        paths:
        - /data
    when:
    - key: request.auth.claims[iss]
      values:
      - https://accounts.google.com
  selector:
    matchLabels:
      app: httpbin
      version: v1
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: source-principals-all
  namespace: foo
spec:
  rules:
  - from:
    - source:
        principals:
        - '*'
    - source:
        namespaces:
        - test
    to:
    - operation:
        methods:
        - GET
        paths:
        - /info*
    - operation:
        methods:
        - POST
        paths:
        - /data
    when:
    - key: request.auth.claims[iss]
      values:
      - https://accounts.google.com
  selector:
    matchLabels:
      app: httpbin
      version: v1
apiVersion: security.istio.io/v1beta1
kind: AuthorizationPolicy
metadata:
  name: source-principals-someall
  namespace: foo
spec:
  rules:
  - from:
    - source:
        principals:
        - cluster.local/ns/default/sa/sleep
        - '*'
    - source:
        namespaces:
        - test
    to:
    - operation:
        methods:
        - GET
        paths:
        - /info*
    - operation:
        methods:
        - POST
        paths:
        - /data
    when:
    - key: request.auth.claims[iss]
      values:
      - https://accounts.google.com
  selector:
    matchLabels:
      app: httpbin
      version: v1

VerifyDeprecatedAPI

Memverifikasi API v1.0.0 yang tidak digunakan lagi

Memverifikasi Kubernetes API yang tidak digunakan lagi untuk memastikan semua versi API sudah yang terbaru. Template ini tidak berlaku untuk audit saat audit melihat resource yang sudah ada di cluster dengan versi API yang masih belum dihentikan.

Skema batasan

apiVersion: constraints.gatekeeper.sh/v1beta1
kind: VerifyDeprecatedAPI
metadata:
  name: example
spec:
  # match <object>: lets you configure which resources are in scope for this
  # constraint. For more information, see the Policy Controller Constraint
  # match documentation:
  # https://cloud.google.com/anthos-config-management/docs/reference/match
  match:
    [match schema]
  parameters:
    # k8sVersion <number>: kubernetes version
    k8sVersion: <number>
    # kvs <array>: Deprecated api versions and corresponding kinds
    kvs:
      - # deprecatedAPI <string>: deprecated api
        deprecatedAPI: <string>
        # kinds <array>: impacted list of kinds
        kinds:
          - <string>
        # targetAPI <string>: target api
        targetAPI: <string>

Contoh

verifikasi-1,16
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: VerifyDeprecatedAPI
metadata:
  name: verify-1.16
spec:
  match:
    kinds:
    - apiGroups:
      - apps
      kinds:
      - Deployment
      - ReplicaSet
      - StatefulSet
      - DaemonSet
    - apiGroups:
      - extensions
      kinds:
      - PodSecurityPolicy
      - ReplicaSet
      - Deployment
      - DaemonSet
      - NetworkPolicy
  parameters:
    k8sVersion: 1.16
    kvs:
    - deprecatedAPI: apps/v1beta1
      kinds:
      - Deployment
      - ReplicaSet
      - StatefulSet
      targetAPI: apps/v1
    - deprecatedAPI: extensions/v1beta1
      kinds:
      - ReplicaSet
      - Deployment
      - DaemonSet
      targetAPI: apps/v1
    - deprecatedAPI: extensions/v1beta1
      kinds:
      - PodSecurityPolicy
      targetAPI: policy/v1beta1
    - deprecatedAPI: apps/v1beta2
      kinds:
      - ReplicaSet
      - StatefulSet
      - Deployment
      - DaemonSet
      targetAPI: apps/v1
    - deprecatedAPI: extensions/v1beta1
      kinds:
      - NetworkPolicy
      targetAPI: networking.k8s.io/v1
Diizinkan
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: allowed-deployment
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80
Tidak diizinkan
apiVersion: apps/v1beta1
kind: Deployment
metadata:
  labels:
    app: nginx
  name: disallowed-deployment
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - image: nginx:1.14.2
        name: nginx
        ports:
        - containerPort: 80
verifikasi-1,22
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: VerifyDeprecatedAPI
metadata:
  name: verify-1.22
spec:
  match:
    kinds:
    - apiGroups:
      - admissionregistration.k8s.io
      kinds:
      - MutatingWebhookConfiguration
      - ValidatingWebhookConfiguration
    - apiGroups:
      - apiextensions.k8s.io
      kinds:
      - CustomResourceDefinition
    - apiGroups:
      - apiregistration.k8s.io
      kinds:
      - APIService
    - apiGroups:
      - authentication.k8s.io
      kinds:
      - TokenReview
    - apiGroups:
      - authorization.k8s.io
      kinds:
      - SubjectAccessReview
    - apiGroups:
      - certificates.k8s.io
      kinds:
      - CertificateSigningRequest
    - apiGroups:
      - coordination.k8s.io
      kinds:
      - Lease
    - apiGroups:
      - extensions
      - networking.k8s.io
      kinds:
      - Ingress
    - apiGroups:
      - networking.k8s.io
      kinds:
      - IngressClass
    - apiGroups:
      - rbac.authorization.k8s.io
      kinds:
      - ClusterRole
      - ClusterRoleBinding
      - Role
      - RoleBinding
    - apiGroups:
      - scheduling.k8s.io
      kinds:
      - PriorityClass
    - apiGroups:
      - storage.k8s.io
      kinds:
      - CSIDriver
      - CSINode
      - StorageClass
      - VolumeAttachment
  parameters:
    k8sVersion: 1.22
    kvs:
    - deprecatedAPI: admissionregistration.k8s.io/v1beta1
      kinds:
      - MutatingWebhookConfiguration
      - ValidatingWebhookConfiguration
      targetAPI: admissionregistration.k8s.io/v1
    - deprecatedAPI: apiextensions.k8s.io/v1beta1
      kinds:
      - CustomResourceDefinition
      targetAPI: apiextensions.k8s.io/v1
    - deprecatedAPI: apiregistration.k8s.io/v1beta1
      kinds:
      - APIService
      targetAPI: apiregistration.k8s.io/v1
    - deprecatedAPI: authentication.k8s.io/v1beta1
      kinds:
      - TokenReview
      targetAPI: authentication.k8s.io/v1
    - deprecatedAPI: authorization.k8s.io/v1beta1
      kinds:
      - SubjectAccessReview
      targetAPI: authorization.k8s.io/v1
    - deprecatedAPI: certificates.k8s.io/v1beta1
      kinds:
      - CertificateSigningRequest
      targetAPI: certificates.k8s.io/v1
    - deprecatedAPI: coordination.k8s.io/v1beta1
      kinds:
      - Lease
      targetAPI: coordination.k8s.io/v1
    - deprecatedAPI: extensions/v1beta1
      kinds:
      - Ingress
      targetAPI: networking.k8s.io/v1
    - deprecatedAPI: networking.k8s.io/v1beta1
      kinds:
      - Ingress
      - IngressClass
      targetAPI: networking.k8s.io/v1
    - deprecatedAPI: rbac.authorization.k8s.io/v1beta1
      kinds:
      - ClusterRole
      - ClusterRoleBinding
      - Role
      - RoleBinding
      targetAPI: rbac.authorization.k8s.io/v1
    - deprecatedAPI: scheduling.k8s.io/v1beta1
      kinds:
      - PriorityClass
      targetAPI: scheduling.k8s.io/v1
    - deprecatedAPI: storage.k8s.io/v1beta1
      kinds:
      - CSIDriver
      - CSINode
      - StorageClass
      - VolumeAttachment
      targetAPI: storage.k8s.io/v1
Diizinkan
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /
  name: allowed-ingress
spec:
  ingressClassName: nginx-example
  rules:
  - http:
      paths:
      - backend:
          service:
            name: test
            port:
              number: 80
        path: /testpath
        pathType: Prefix
Tidak diizinkan
apiVersion: networking.k8s.io/v1beta1
kind: Ingress
metadata:
  annotations:
    nginx.ingress.kubernetes.io/rewrite-target: /
  name: disallowed-ingress
spec:
  ingressClassName: nginx-example
  rules:
  - http:
      paths:
      - backend:
          service:
            name: test
            port:
              number: 80
        path: /testpath
        pathType: Prefix
verifikasi-1,25
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: VerifyDeprecatedAPI
metadata:
  name: verify-1.25
spec:
  match:
    kinds:
    - apiGroups:
      - batch
      kinds:
      - CronJob
    - apiGroups:
      - discovery.k8s.io
      kinds:
      - EndpointSlice
    - apiGroups:
      - events.k8s.io
      kinds:
      - Event
    - apiGroups:
      - autoscaling
      kinds:
      - HorizontalPodAutoscaler
    - apiGroups:
      - policy
      kinds:
      - PodDisruptionBudget
      - PodSecurityPolicy
    - apiGroups:
      - node.k8s.io
      kinds:
      - RuntimeClass
  parameters:
    k8sVersion: 1.25
    kvs:
    - deprecatedAPI: batch/v1beta1
      kinds:
      - CronJob
      targetAPI: batch/v1
    - deprecatedAPI: discovery.k8s.io/v1beta1
      kinds:
      - EndpointSlice
      targetAPI: discovery.k8s.io/v1
    - deprecatedAPI: events.k8s.io/v1beta1
      kinds:
      - Event
      targetAPI: events.k8s.io/v1
    - deprecatedAPI: autoscaling/v2beta1
      kinds:
      - HorizontalPodAutoscaler
      targetAPI: autoscaling/v2
    - deprecatedAPI: policy/v1beta1
      kinds:
      - PodDisruptionBudget
      targetAPI: policy/v1
    - deprecatedAPI: policy/v1beta1
      kinds:
      - PodSecurityPolicy
      targetAPI: None
    - deprecatedAPI: node.k8s.io/v1beta1
      kinds:
      - RuntimeClass
      targetAPI: node.k8s.io/v1
Diizinkan
apiVersion: batch/v1
kind: CronJob
metadata:
  name: allowed-cronjob
  namespace: default
spec:
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - command:
            - /bin/sh
            - -c
            - date; echo Hello from the Kubernetes cluster
            image: busybox:1.28
            imagePullPolicy: IfNotPresent
            name: hello
          restartPolicy: OnFailure
  schedule: '* * * * *'
Tidak diizinkan
apiVersion: batch/v1beta1
kind: CronJob
metadata:
  name: disallowed-cronjob
  namespace: default
spec:
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - command:
            - /bin/sh
            - -c
            - date; echo Hello from the Kubernetes cluster
            image: busybox:1.28
            imagePullPolicy: IfNotPresent
            name: hello
          restartPolicy: OnFailure
  schedule: '* * * * *'
verifikasi-1,26
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: VerifyDeprecatedAPI
metadata:
  name: verify-1.26
spec:
  match:
    kinds:
    - apiGroups:
      - flowcontrol.apiserver.k8s.io
      kinds:
      - FlowSchema
      - PriorityLevelConfiguration
    - apiGroups:
      - autoscaling
      kinds:
      - HorizontalPodAutoscaler
  parameters:
    k8sVersion: 1.26
    kvs:
    - deprecatedAPI: flowcontrol.apiserver.k8s.io/v1beta1
      kinds:
      - FlowSchema
      - PriorityLevelConfiguration
      targetAPI: flowcontrol.apiserver.k8s.io/v1beta3
    - deprecatedAPI: autoscaling/v2beta2
      kinds:
      - HorizontalPodAutoscaler
      targetAPI: autoscaling/v2
Diizinkan
apiVersion: flowcontrol.apiserver.k8s.io/v1beta3
kind: FlowSchema
metadata:
  name: allowed-flowcontrol
  namespace: default
spec:
  matchingPrecedence: 1000
  priorityLevelConfiguration:
    name: exempt
  rules:
  - nonResourceRules:
    - nonResourceURLs:
      - /healthz
      - /livez
      - /readyz
      verbs:
      - '*'
    subjects:
    - group:
        name: system:unauthenticated
      kind: Group
Tidak diizinkan
apiVersion: flowcontrol.apiserver.k8s.io/v1beta1
kind: FlowSchema
metadata:
  name: disallowed-flowcontrol
  namespace: default
spec:
  matchingPrecedence: 1000
  priorityLevelConfiguration:
    name: exempt
  rules:
  - nonResourceRules:
    - nonResourceURLs:
      - /healthz
      - /livez
      - /readyz
      verbs:
      - '*'
    subjects:
    - group:
        name: system:unauthenticated
      kind: Group
verifikasi-1,27
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: VerifyDeprecatedAPI
metadata:
  name: verify-1.27
spec:
  match:
    kinds:
    - apiGroups:
      - storage.k8s.io
      kinds:
      - CSIStorageCapacity
  parameters:
    k8sVersion: 1.27
    kvs:
    - deprecatedAPI: storage.k8s.io/v1beta1
      kinds:
      - CSIStorageCapacity
      targetAPI: storage.k8s.io/v1
Diizinkan
apiVersion: storage.k8s.io/v1
kind: CSIStorageCapacity
metadata:
  name: allowed-csistoragecapacity
storageClassName: standard
Tidak diizinkan
apiVersion: storage.k8s.io/v1beta1
kind: CSIStorageCapacity
metadata:
  name: allowed-csistoragecapacity
  namespace: default
storageClassName: standard
verifikasi-1,29
Batasan
apiVersion: constraints.gatekeeper.sh/v1beta1
kind: VerifyDeprecatedAPI
metadata:
  name: verify-1.29
spec:
  match:
    kinds:
    - apiGroups:
      - flowcontrol.apiserver.k8s.io
      kinds:
      - FlowSchema
      - PriorityLevelConfiguration
  parameters:
    k8sVersion: 1.29
    kvs:
    - deprecatedAPI: flowcontrol.apiserver.k8s.io/v1beta2
      kinds:
      - FlowSchema
      - PriorityLevelConfiguration
      targetAPI: flowcontrol.apiserver.k8s.io/v1beta3
Diizinkan
apiVersion: flowcontrol.apiserver.k8s.io/v1beta3
kind: FlowSchema
metadata:
  name: allowed-flowcontrol
  namespace: default
spec:
  matchingPrecedence: 1000
  priorityLevelConfiguration:
    name: exempt
  rules:
  - nonResourceRules:
    - nonResourceURLs:
      - /healthz
      - /livez
      - /readyz
      verbs:
      - '*'
    subjects:
    - group:
        name: system:unauthenticated
      kind: Group
Tidak diizinkan
apiVersion: flowcontrol.apiserver.k8s.io/v1beta2
kind: FlowSchema
metadata:
  name: disallowed-flowcontrol
  namespace: default
spec:
  matchingPrecedence: 1000
  priorityLevelConfiguration:
    name: exempt
  rules:
  - nonResourceRules:
    - nonResourceURLs:
      - /healthz
      - /livez
      - /readyz
      verbs:
      - '*'
    subjects:
    - group:
        name: system:unauthenticated
      kind: Group

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