查詢幫助kubectl explain service

訪問叢集內的pod，帶selector的service

apiVersion: apps/v1
kind: Deployment
metadata:
  name: flask
  namespace: default
spec:
  replicas: 2
  selector:
    matchLabels:
      app: flask
  template:
    metadata:
      labels:
        app: flask
    spec:
      restartPolicy: Always
      nodeName: hdss7-21.host.com
      containers:
      - name: flask
        image: flask
        imagePullPolicy: IfNotPresent
        ports:
        - name: indexport
          containerPort: 5000
---
apiVersion: v1
kind: Service
metadata:
  name: flask
  namespace: default
spec:
  selector:
    app: flask
  ports:
  - protocol: TCP
    port: 80
    targetPort: 5000
 

訪問k8s 叢集外的應用，手動定義endpoint

apiVersion: v1
kind: Service
metadata:
  name: endpoint1
  namespace: default
spec:
  ports:
  - protocol: TCP
    port: 80
    targetPort: 3306
---
apiVersion: v1
kind: Endpoints
metadata:
  name: endpoint1
subsets:
  - addresses: 
       - ip: 10.4.7.200
    ports:
       - port: 3306

 

不使用kube-proxy的排程策略 headless型別service

apiVersion: v1
kind: Service
metadata:
  name: flask
  namespace: defalut
spec:
  clusterIP: None
  selector:
    app: flask
  ports:
  - protocol: TCP
    port: 80
    targetPort: 5000

session 親和性