remove command prompts and separate commands from output (#11847)

pull/11868/head
makocchi 2018-12-23 10:20:33 +09:00 committed by Kubernetes Prow Robot
parent 950bcbef2b
commit a33ae0f00c
1 changed files with 33 additions and 8 deletions

View File

@ -30,19 +30,32 @@ The above list is sorted alphabetically by product name, not by recommendation o
## Create an `nginx` deployment and expose it via a service
To see how Kubernetes network policy works, start off by creating an `nginx` deployment and exposing it via a service.
To see how Kubernetes network policy works, start off by creating an `nginx` deployment.
```console
$ kubectl run nginx --image=nginx --replicas=2
kubectl run nginx --image=nginx --replicas=2
```
```none
deployment.apps/nginx created
$ kubectl expose deployment nginx --port=80
```
And expose it via a service.
```console
kubectl expose deployment nginx --port=80
```
```none
service/nginx exposed
```
This runs two `nginx` pods in the default namespace, and exposes them through a service called `nginx`.
```console
$ kubectl get svc,pod
kubectl get svc,pod
```
```none
NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/kubernetes 10.100.0.1 <none> 443/TCP 46m
service/nginx 10.100.0.16 <none> 80/TCP 33s
@ -59,7 +72,10 @@ You should be able to access the new `nginx` service from other pods. To test, a
Start a busybox container, and use `wget` on the `nginx` service:
```console
$ kubectl run busybox --rm -ti --image=busybox /bin/sh
kubectl run busybox --rm -ti --image=busybox /bin/sh
```
```console
Waiting for pod default/busybox-472357175-y0m47 to be running, status is Pending, pod ready: false
Hit enter for command prompt
@ -94,7 +110,10 @@ spec:
Use kubectl to create a NetworkPolicy from the above nginx-policy.yaml file:
```console
$ kubectl create -f nginx-policy.yaml
kubectl create -f nginx-policy.yaml
```
```none
networkpolicy.networking.k8s.io/access-nginx created
```
@ -102,7 +121,10 @@ networkpolicy.networking.k8s.io/access-nginx created
If we attempt to access the nginx Service from a pod without the correct labels, the request will now time out:
```console
$ kubectl run busybox --rm -ti --image=busybox /bin/sh
kubectl run busybox --rm -ti --image=busybox /bin/sh
```
```console
Waiting for pod default/busybox-472357175-y0m47 to be running, status is Pending, pod ready: false
Hit enter for command prompt
@ -118,7 +140,10 @@ wget: download timed out
Create a pod with the correct labels, and you'll see that the request is allowed:
```console
$ kubectl run busybox --rm -ti --labels="access=true" --image=busybox /bin/sh
kubectl run busybox --rm -ti --labels="access=true" --image=busybox /bin/sh
```
```console
Waiting for pod default/busybox-472357175-y0m47 to be running, status is Pending, pod ready: false
Hit enter for command prompt