使用 Sidecar Proxy 從 Google Kubernetes Engine 連線

這個資訊清單定義的 Kubernetes Deployment，會將 Auth Proxy 做為邊車容器，與應用程式一併執行。使用這個模式，從 Google Kubernetes Engine 中的應用程式，為資料庫執行個體提供安全、經過授權的加密連線。

程式碼範例

YAML

apiVersion: apps/v1
kind: Deployment
metadata:
  name: <YOUR-DEPLOYMENT-NAME>
spec:
  selector:
    matchLabels:
      app: <YOUR-APPLICATION-NAME>
  template:
    metadata:
      labels:
        app: <YOUR-APPLICATION-NAME>
    spec:
      serviceAccountName: <YOUR-KSA-NAME>
      containers:
      # Your application container goes here.
      - name: <YOUR-APPLICATION-NAME>
        image: <YOUR-APPLICATION-IMAGE-URL>
        env:
        - name: DB_HOST
          # The port value here (5432) should match the --port flag below.
          value: "localhost:5342"
        - name: DB_USER
          valueFrom:
            secretKeyRef:
              name: <YOUR-DB-SECRET>
              key: username
        - name: DB_PASS
          valueFrom:
            secretKeyRef:
              name: <YOUR-DB-SECRET>
              key: password
        - name: DB_NAME
          valueFrom:
            secretKeyRef:
              name: <YOUR-DB-SECRET>
              key: database
      # The Auth Proxy sidecar goes here.
      - name: alloydb-auth-proxy
        # Make sure you have automation that upgrades this version regularly.
        # A new version of the Proxy is released monthly with bug fixes,
        # security updates, and new features.
        image: gcr.io/alloydb-connectors/alloydb-auth-proxy:1.10.1
        args:
          # If you're connecting over public IP, enable this flag.
          # - "--public-ip"

          # If you're connecting with PSC, enable this flag:
          # - "--psc"

          # If you're using auto IAM authentication, enable this flag:
          # - "--auto-iam-authn"

          # Enable structured logging with Google's LogEntry format:
          - "--structured-logs"

          # Listen on localhost:5432 by default.
          - "--port=5432"
          # Specify your instance URI, e.g.,
          # "projects/myproject/locations/us-central1/clusters/mycluster/instances/myinstance"
          - "<INSTANCE-URI>"

        securityContext:
          # The default AlloyDB Auth Proxy image runs as the "nonroot" user and
          # group (uid: 65532) by default.
          runAsNonRoot: true
        # You should use resource requests/limits as a best practice to prevent
        # pods from consuming too many resources and affecting the execution of
        # other pods. You should adjust the following values based on what your
        # application needs. For details, see
        # https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
        resources:
          requests:
            # The proxy's memory use scales linearly with the number of active
            # connections. Fewer open connections will use less memory. Adjust
            # this value based on your application's requirements.
            memory: "2Gi"
            # The proxy's CPU use scales linearly with the amount of IO between
            # the database and the application. Adjust this value based on your
            # application's requirements.
            cpu:    "1"

後續步驟

如要搜尋及篩選其他 Google Cloud 產品的程式碼範例，請參閱Google Cloud 範例瀏覽工具。