publishNotReadyAddresses

publishNotReadyAddresses 表示是否将没有就绪的 Pod 的地址关联到服务上。
默认情况是 false，只有就绪状态的 Pod 的地址才会关联到服务上。

创建 pod 资源

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apiVersion: v1
kind: Pod
metadata:
  name: readiness-httpget-pod
  namespace: default
  labels:
    app: myapp
    env: test
spec:
  containers:
  - name: readiness-httpget-container
    image: wangyanglinux/myapp:v1.0
    imagePullPolicy: IfNotPresent
    readinessProbe:
      httpGet:
        port: 80
        path: /index1.html
      initialDelaySeconds: 1
      periodSeconds: 3

创建 svc 资源

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apiVersion: v1
kind: Service
metadata:
  labels:
    app: myapp
  name: myapp
spec:
  ports:
  - name: 80-80
    port: 80
    protocol: TCP
    targetPort: 80
  selector:
    app: myapp
  type: ClusterIP

添加 publishNotReadyAddresses: true

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$ kubectl patch service myapp -p '{"spec":{"publishNotReadyAddresses": true}}'