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Merge pull request #41001 from Zhuzhenghao/expose-external-ip-address
Cleanup page expose-external-ip-address
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‎content/en/docs/tutorials/stateless-application/expose-external-ip-address.md

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@@ -46,116 +46,116 @@ external IP address.
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1. Display information about the Deployment:
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```shell
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kubectl get deployments hello-world
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kubectl describe deployments hello-world
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```
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```shell
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kubectl get deployments hello-world
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kubectl describe deployments hello-world
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```
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1. Display information about your ReplicaSet objects:
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```shell
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kubectl get replicasets
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kubectl describe replicasets
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```
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```shell
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kubectl get replicasets
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kubectl describe replicasets
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```
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1. Create a Service object that exposes the deployment:
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```shell
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kubectl expose deployment hello-world --type=LoadBalancer --name=my-service
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```
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```shell
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kubectl expose deployment hello-world --type=LoadBalancer --name=my-service
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```
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1. Display information about the Service:
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```shell
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kubectl get services my-service
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```
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```shell
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kubectl get services my-service
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```
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The output is similar to:
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The output is similar to:
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```console
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NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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my-service LoadBalancer 10.3.245.137 104.198.205.71 8080/TCP 54s
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```
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```console
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NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
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my-service LoadBalancer 10.3.245.137 104.198.205.71 8080/TCP 54s
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```
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{{< note >}}
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{{< note >}}
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The `type=LoadBalancer` service is backed by external cloud providers, which is not covered in this example, please refer to [this page](/docs/concepts/services-networking/service/#loadbalancer) for the details.
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The `type=LoadBalancer` service is backed by external cloud providers, which is not covered in this example, please refer to [this page](/docs/concepts/services-networking/service/#loadbalancer) for the details.
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{{< /note >}}
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{{< /note >}}
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{{< note >}}
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{{< note >}}
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If the external IP address is shown as \<pending\>, wait for a minute and enter the same command again.
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If the external IP address is shown as \<pending\>, wait for a minute and enter the same command again.
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{{< /note >}}
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{{< /note >}}
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1. Display detailed information about the Service:
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```shell
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kubectl describe services my-service
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```
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The output is similar to:
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```console
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Name: my-service
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Namespace: default
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Labels: app.kubernetes.io/name=load-balancer-example
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Annotations: <none>
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Selector: app.kubernetes.io/name=load-balancer-example
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Type: LoadBalancer
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IP: 10.3.245.137
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LoadBalancer Ingress: 104.198.205.71
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Port: <unset> 8080/TCP
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NodePort: <unset> 32377/TCP
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Endpoints: 10.0.0.6:8080,10.0.1.6:8080,10.0.1.7:8080 + 2 more...
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Session Affinity: None
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Events: <none>
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```
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Make a note of the external IP address (`LoadBalancer Ingress`) exposed by
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your service. In this example, the external IP address is 104.198.205.71.
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Also note the value of `Port` and `NodePort`. In this example, the `Port`
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is 8080 and the `NodePort` is 32377.
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```shell
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kubectl describe services my-service
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```
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The output is similar to:
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```console
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Name: my-service
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Namespace: default
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Labels: app.kubernetes.io/name=load-balancer-example
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Annotations: <none>
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Selector: app.kubernetes.io/name=load-balancer-example
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Type: LoadBalancer
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IP: 10.3.245.137
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LoadBalancer Ingress: 104.198.205.71
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Port: <unset> 8080/TCP
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NodePort: <unset> 32377/TCP
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Endpoints: 10.0.0.6:8080,10.0.1.6:8080,10.0.1.7:8080 + 2 more...
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Session Affinity: None
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Events: <none>
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```
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Make a note of the external IP address (`LoadBalancer Ingress`) exposed by
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your service. In this example, the external IP address is 104.198.205.71.
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Also note the value of `Port` and `NodePort`. In this example, the `Port`
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is 8080 and the `NodePort` is 32377.
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1. In the preceding output, you can see that the service has several endpoints:
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10.0.0.6:8080,10.0.1.6:8080,10.0.1.7:8080 + 2 more. These are internal
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addresses of the pods that are running the Hello World application. To
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verify these are pod addresses, enter this command:
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```shell
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kubectl get pods --output=wide
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```
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```shell
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kubectl get pods --output=wide
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```
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The output is similar to:
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The output is similar to:
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```console
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NAME ... IP NODE
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hello-world-2895499144-1jaz9 ... 10.0.1.6 gke-cluster-1-default-pool-e0b8d269-1afc
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hello-world-2895499144-2e5uh ... 10.0.1.8 gke-cluster-1-default-pool-e0b8d269-1afc
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hello-world-2895499144-9m4h1 ... 10.0.0.6 gke-cluster-1-default-pool-e0b8d269-5v7a
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hello-world-2895499144-o4z13 ... 10.0.1.7 gke-cluster-1-default-pool-e0b8d269-1afc
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hello-world-2895499144-segjf ... 10.0.2.5 gke-cluster-1-default-pool-e0b8d269-cpuc
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```
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```console
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NAME ... IP NODE
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hello-world-2895499144-1jaz9 ... 10.0.1.6 gke-cluster-1-default-pool-e0b8d269-1afc
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hello-world-2895499144-2e5uh ... 10.0.1.8 gke-cluster-1-default-pool-e0b8d269-1afc
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hello-world-2895499144-9m4h1 ... 10.0.0.6 gke-cluster-1-default-pool-e0b8d269-5v7a
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hello-world-2895499144-o4z13 ... 10.0.1.7 gke-cluster-1-default-pool-e0b8d269-1afc
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hello-world-2895499144-segjf ... 10.0.2.5 gke-cluster-1-default-pool-e0b8d269-cpuc
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```
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1. Use the external IP address (`LoadBalancer Ingress`) to access the Hello
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World application:
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```shell
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curl http://<external-ip>:<port>
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```
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```shell
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curl http://<external-ip>:<port>
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```
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where `<external-ip>` is the external IP address (`LoadBalancer Ingress`)
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of your Service, and `<port>` is the value of `Port` in your Service
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description.
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If you are using minikube, typing `minikube service my-service` will
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automatically open the Hello World application in a browser.
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where `<external-ip>` is the external IP address (`LoadBalancer Ingress`)
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of your Service, and `<port>` is the value of `Port` in your Service
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description.
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If you are using minikube, typing `minikube service my-service` will
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automatically open the Hello World application in a browser.
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The response to a successful request is a hello message:
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The response to a successful request is a hello message:
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```shell
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Hello Kubernetes!
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```
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```shell
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Hello Kubernetes!
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```
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## {{% heading "cleanup" %}}
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