端口轉發

端口轉發是 kubectl 的一個子命令，通過 kubectl port-forward 可以將本地端口轉發到指定的 Pod。

Pod 端口轉發

可以將本地端口轉發到指定 Pod 的端口。

# Listen on ports 5000 and 6000 locally, forwarding data to/from ports 5000 and 6000 in the pod
kubectl port-forward mypod 5000 6000

# Listen on port 8888 locally, forwarding to 5000 in the pod
kubectl port-forward mypod 8888:5000

# Listen on a random port locally, forwarding to 5000 in the pod
kubectl port-forward mypod :5000

# Listen on a random port locally, forwarding to 5000 in the pod
kubectl port-forward mypod 0:5000

服務端口轉發

也可以將本地端口轉發到服務、複製控制器或者部署的端口。

# Forward to deployment
kubectl port-forward deployment/redis-master 6379:6379

# Forward to replicaSet
kubectl port-forward rs/redis-master 6379:6379

# Forward to service
kubectl port-forward svc/redis-master 6379:6379