将多个入站流量网关添加到客户安装的 Anthos Service Mesh

此过程说明如何向您的 Apigee Hybrid 安装添加额外的 Anthos Service Mesh (ASM) 网关。

安装其他 Anthos Service Mesh 网关

在 ASM overlay.yaml 文件中,您可以按照与下面类似的模式添加更多入站流量网关。请注意,spec.components[].labelspec.components[].k8s.service.selector 元素允许您将指定的入站流量网关与特定虚拟主机相关联,如将入站流量定向到虚拟主机所述。

apiVersion: install.istio.io/v1alpha1
kind: IstioOperator
spec:
  profile: asm-gcp
  # hub: gcr.io/gke-release/asm # {"$ref":"#/definitions/io.k8s.cli.setters.anthos.servicemesh.hub"}
  components:
    ingressGateways:
    - name: istio-ingressgateway-dairy
      enabled: true
      label:
        app: istio-ingressgateway
        ingress_name: dairy
      k8s:
        service:
          selector:
            app: istio-ingressgateway
            ingress_name: dairy
          type: LoadBalancer
          ports:
          - name: status-port
            port: 15021
          - name: http2
            port: 80
            targetPort: 8080
          - name: https
            port: 443
            targetPort: 8443
        hpaSpec:
          minReplicas: 1
          maxReplicas: 10
    - name: istio-ingressgateway-vegetables
      enabled: true
      label:
        app: istio-ingressgateway
        ingress_name: vegetables
      k8s:
        service:
          selector:
            app: istio-ingressgateway
            ingress_name: vegetables
          ports:
          - name: http2
            port: 80
            targetPort: 8080
          - name: status-port
            port: 15020
          - name: https
            port: 443
            targetPort: 8443
        hpaSpec:
          minReplicas: 1
          maxReplicas: 10
        resources:
          requests:
            cpu: 300m
            memory: 128Mi

按照适合您平台的 Anthos Service Mesh 文档应用更改。

将 ASM/istio 入站流量定向到虚拟主机

您可以在替换文件中将已加标签的 ASM/istio 入站流量网关定位到特定虚拟主机。此配置指定了 Apigee 将虚拟主机的配置应用于的入站流量网关。在以下示例中,流向虚拟主机 milk-vh 的流量流经标记为 dairy 的入站流量,流向其他两个虚拟主机的流量流经 vegetables 入站流量。您必须按照安装其他 Apigee 入站流量网关中的说明,为入站流量正确添加标签。

virtualhosts:
- name: milk-vh
  sslCertPath: cert-milk.crt
  sslKeyPath: cert-milk.key
  selector:
    app: istio-ingressgateway
    ingress_name: dairy

- name: carrots-vh
  sslCertPath: cert-carrots.crt
  sslKeyPath: cert-carrots.key
  selector:
    app: istio-ingressgateway
    ingress_name: vegetables

- name: ginger-vh
  sslCertPath: cert-ginger.crt
  sslKeyPath: cert-ginger.key
  selector:
    app: apigee-ingressgateway
    ingress_name: vegetables