Service

ClusterIP 类型

编辑类型为 ClusterIP 的 svc 的 yaml 文件

cat > nginx-svc-cluster.yaml << EOF
apiVersion: v1
kind: Service
metadata:
  labels:
    run: nginx
  name: nginx-svc-cluster
spec:
  type: ClusterIP
  ports:
  - name: http
    port: 80
    protocol: TCP
    targetPort: 80
  - name: https
    port: 443
    protocol: TCP
    targetPort: 443
  selector:
    run: nginx
EOF

创建 svc

kubectl create -f nginx-svc-cluster.yaml

创建 pod 用于测试 svc

kubectl run nginx --image=nginx

访问测试

kubectl get svc

curl <CLUSTER-IP>

NodePort 类型

cat > nginx-svc-nodeport.yaml << EOF
apiVersion: v1
kind: Service
metadata:
  labels:
    run: nginx
  name: nginx-svc-nodeport
spec:
  type: NodePort
  ports:
  - name: http
    port: 80
    protocol: TCP
    targetPort: 80
    nodePort: 30080
  - name: https
    port: 443
    protocol: TCP
    targetPort: 443
    nodePort: 30443
  selector:
    run: nginx
EOF

创建 svc

kubectl create -f nginx-svc-nodeport.yaml

创建 pod 用于测试 svc

kubectl run nginx --image=nginx

访问测试

kubectl get svc

kubectl get node -o wide

curl <INTERNAL-IP>