Certificate Manager (CERT)

Lokasi workload

Workload root dan organisasi
Sumber log audit

Log audit Kubernetes
Operasi yang diaudit

Membuat Sertifikat

Kolom dalam entri log yang berisi informasi audit
Metadata audit Nama kolom audit Nilai
Identitas pengguna atau layanan user.username

Misalnya,

"user":{
  "username": "system:serviceaccount:kube-system:metrics-server-operator"
  }

Target

(Kolom dan nilai yang memanggil API)

 requestURI

"requestURI": "/apis/cert-manager.io/v1/namespaces/gke-managed-metrics-server/ certificates/metrics-server-cert"

Tindakan

(Kolom yang berisi operasi yang dilakukan)

 verb

"verb": "get"

Stempel waktu peristiwa ts

Misalnya,

"requestReceivedTimestamp": "2023-01-19T18:25:29.964302Z"

Sumber tindakan sourceIPs

Misalnya,

"sourceIPs": "10.253.128.143"
Hasil stage

Misalnya,

"stage": "ResponseComplete"
  }

Kolom lainnya
  • kind
  • objectRef

Misalnya,

"kind": "Event"
"objectRef": {
    "namespace": "gke-managed-metrics-server",
    "apiGroup": "cert-manager.io",
    "resource": "certificates",
    "name": "metrics-server-cert",
    "apiVersion": "v1"
  }

Contoh log

{
  "objectRef": {
    "namespace": "gke-managed-metrics-server",
    "apiGroup": "cert-manager.io",
    "resource": "certificates",
    "name": "metrics-server-cert",
    "apiVersion": "v1"
  },
  "_gdch_service_name": "apiserver",
  "_gdch_tenant_id": "infra-obs",
  "kind": "Event",
  "requestURI": "/apis/cert-manager.io/v1/namespaces/gke-managed-metrics-server/certificates/metrics-server-cert",
  "requestReceivedTimestamp": "2023-01-19T18:25:29.964302Z",
  "auditID": "7190b768-89fa-4fbf-9413-77f273f537d8",
  "stageTimestamp": "2023-01-19T18:25:29.966946Z",
  "user": {
    "uid": "41e7bf0b-fc7b-4fdb-b8df-b6b58b896831",
    "extra": {
      "authentication.kubernetes.io/pod-uid": [
        "b5ea1eeb-95d9-4845-85c5-1fcd2c3d1f9e"
      ],
      "authentication.kubernetes.io/pod-name": [
        "metrics-server-operator-76fcd579d7-gp5df"
      ]
    },
    "username": "system:serviceaccount:kube-system:metrics-server-operator",
    "groups": [
      "system:serviceaccounts",
      "system:serviceaccounts:kube-system",
      "system:authenticated"
    ]
  },
  "level": "Metadata",
  "annotations": {
    "authorization.k8s.io/reason": "RBAC: allowed by ClusterRoleBinding \"metrics-server-operator\" of ClusterRole \"metrics-server-operator\" to ServiceAccount \"metrics-server-operator/kube-system\"",
    "authorization.k8s.io/decision": "allow"
  },
  "stage": "ResponseComplete",
  "userAgent": "manager/v0.0.0 (linux/amd64) kubernetes/$Format",
  "responseStatus": {
    "metadata": {},
    "code": 200
  },
  "sourceIPs": [
    "10.253.128.143"
  ],
  "verb": "get",
  "apiVersion": "audit.k8s.io/v1",
  "_gdch_org_name": "root",
  "_gdch_org_id": "root.zone1.google.gdch.test",
  "_gdch_cluster": "root-admin",
  "_gdch_fluentbit_pod": "anthos-audit-logs-forwarder-zthjs"
}

Minta sertifikat

Kolom dalam entri log yang berisi informasi audit
Metadata audit Nama kolom audit Nilai
Identitas pengguna atau layanan user.username

Misalnya,

"user":{
  "username": "system:serviceaccount:gatekeeper-system:gatekeeper-admin"
  }

Target

(Kolom dan nilai yang memanggil API)

 requestURI

"requestURI": "/apis/cert-manager.io/v1/certificaterequests?limit=500"

Tindakan

(Kolom yang berisi operasi yang dilakukan)

 verb

"verb": "list"

Stempel waktu peristiwa requestReceivedTimestamp

Misalnya,

"requestReceivedTimestamp": "2023-01-19T18:30:11.574690Z"

Sumber tindakan sourceIPs

Misalnya,

"sourceIPs":["10.253.128.74"]
Hasil responseStatus.code

Misalnya,

"responseStatus":{
  "code":200
  }

Kolom lainnya
  • kind
  • objectRef

Misalnya,

"kind": "Event",
"objectRef": {
    "apiGroup": "cert-manager.io",
    "resource": "certificaterequests",
    "apiVersion": "v1"
  }

Contoh log

{
  "objectRef": {
    "apiGroup": "cert-manager.io",
    "resource": "certificaterequests",
    "apiVersion": "v1"
  },
  "_gdch_service_name": "apiserver",
  "_gdch_tenant_id": "infra-obs",
  "kind": "Event",
  "requestURI": "/apis/cert-manager.io/v1/certificaterequests?limit=500",
  "responseStatus": {
    "metadata": {},
    "code": 200
  },
  "apiVersion": "audit.k8s.io/v1",
  "stage": "ResponseComplete",
  "verb": "list",
  "level": "Metadata",
  "requestReceivedTimestamp": "2023-01-19T18:30:11.574690Z",
  "auditID": "dda83584-94dc-4388-bb68-ffa932d94e85",
  "stageTimestamp": "2023-01-19T18:30:11.641010Z",
  "annotations": {
    "authorization.k8s.io/reason": "RBAC: allowed by ClusterRoleBinding \"gatekeeper-manager-rolebinding\" of ClusterRole \"gatekeeper-manager-role\" to ServiceAccount \"gatekeeper-admin/gatekeeper-system\"",
    "authorization.k8s.io/decision": "allow"
  },
  "sourceIPs": [
    "10.253.128.74"
  ],
  "userAgent": "gatekeeper/v3.7.0 (linux/amd64) 3ba8e93/2021-11-15T20:59:44Z",
  "user": {
    "extra": {
      "authentication.kubernetes.io/pod-name": [
        "gatekeeper-audit-5f8c9cc9bf-sjbfr"
      ],
      "authentication.kubernetes.io/pod-uid": [
        "dc956543-76d9-4654-a757-4f4a11c38fa7"
      ]
    },
    "uid": "af529d1d-7139-4afc-b8fd-380218e344b7",
    "username": "system:serviceaccount:gatekeeper-system:gatekeeper-admin",
    "groups": [
      "system:serviceaccounts",
      "system:serviceaccounts:gatekeeper-system",
      "system:authenticated"
    ]
  },
  "_gdch_org_name": "root",
  "_gdch_org_id": "root.zone1.google.gdch.test",
  "_gdch_cluster": "root-admin",
  "_gdch_fluentbit_pod": "anthos-audit-logs-forwarder-zthjs"
}

Rahasia TLS

Kolom dalam entri log yang berisi informasi audit
Metadata audit Nama kolom audit Nilai
Identitas pengguna atau layanan user.username

Misalnya,

"user":{
  "username": "kubernetes-admin"
  }

Target

(Kolom dan nilai yang memanggil API)

 requestURI

"requestURI": "/api/v1/namespaces/istio-system/secrets/web-tls"

Tindakan

(Kolom yang berisi operasi yang dilakukan)

 verb

"verb": "get"

Stempel waktu peristiwa stageTimestamp

Misalnya,

"stageTimestamp": "2023-01-19T18:37:17.571558Z"

Sumber tindakan sourceIPs

Misalnya,

"sourceIPs":[""10.200.0.2""]
Hasil responseStatus.code

Misalnya,

"requestReceivedTimestamp": "2023-01-19T18:37:17.568664Z"
  }

Kolom lainnya
  • kind
  • objectRef

Misalnya,

"kind": "Event",
"objectRef": {
    "namespace": "istio-system",
    "apiVersion": "v1",
    "name": "web-tls",
    "apiGroup": "UNKNOWN",
    "resource": "secrets"
  }

Contoh log

{
  "objectRef": {
    "namespace": "istio-system",
    "apiVersion": "v1",
    "name": "web-tls",
    "apiGroup": "UNKNOWN",
    "resource": "secrets"
  },
  "auditID": "83d2c117-fb8b-4dfe-9a16-413c084162c0",
  "_gdch_service_name": "apiserver",
  "_gdch_tenant_id": "infra-obs",
  "kind": "Event",
  "requestURI": "/api/v1/namespaces/istio-system/secrets/web-tls",
  "stageTimestamp": "2023-01-19T18:37:17.571558Z",
  "verb": "get",
  "user": {
    "username": "kubernetes-admin",
    "groups": [
      "system:masters",
      "system:authenticated"
    ]
  },
  "level": "Metadata",
  "sourceIPs": [
    "10.200.0.2"
  ],
  "apiVersion": "audit.k8s.io/v1",
  "responseStatus": {
    "metadata": {},
    "code": 200
  },
  "stage": "ResponseComplete",
  "requestReceivedTimestamp": "2023-01-19T18:37:17.568664Z",
  "userAgent": "k9s/v0.0.0 (linux/amd64) kubernetes/$Format",
  "annotations": {
    "authorization.k8s.io/decision": "allow",
    "authorization.k8s.io/reason": ""
  },
  "_gdch_org_name": "root",
  "_gdch_org_id": "root.zone1.google.gdch.test",
  "_gdch_cluster": "root-admin",
  "_gdch_fluentbit_pod": "anthos-audit-logs-forwarder-zthjs"
}