Kubernetes Service 应用

ClusterIP资源配置

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apiVersion: v1
kind: Service
metadata:
  name: nginx-service
  namespace: default
spec:
  selector:
    app: nginx
  ports:
  - name: http
    port: 80         # ClusterIP的端口号
    protocol: TCP    # 协议类型
    targetPort: 80   # Pod暴露的端口
  type: ClusterIP    # Service类型

NodePort资源配置

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apiVersion: v1
kind: Service
metadata:
  name: nginx-service
  namespace: default
spec:
  selector:
    app: nginx
  ports:
  - name: http
    port: 8080        # ClusterIP的端口号
    protocol: TCP     # 协议类型
    targetPort: 80    # Pod暴露的端口
    nodePort: 30000   # NodeIP的端⼝号，也就是对外⽤户访问的端⼝号
  type: NodePort      # Service类型

查看创建的Service资源

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kubectl get svc