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Update label used to search for pods in deployment

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With `kubectl run` changed to `kubectl create deployment`, the
label used to search for pods in the deployment also needs to change
from `run=...` to `app=...`.
This commit is contained in:
Prasad Katti
2020-05-14 13:23:08 -07:00
parent 1ffbe95773
commit 52c8562bef
2 changed files with 7 additions and 8 deletions
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content/en/docs/tasks/administer-cluster/namespaces-walkthrough.md
+2 -2
View File
@@ -242,7 +242,7 @@ snowflake 2/2 2 2 2m
``` ```
```shell ```shell
kubectl get pods -l run=snowflake kubectl get pods -l app=snowflake
``` ```
``` ```
NAME READY STATUS RESTARTS AGE NAME READY STATUS RESTARTS AGE
@@ -279,7 +279,7 @@ cattle 5/5 5 5 10s
``` ```
```shell ```shell
kubectl get pods -l run=cattle kubectl get pods -l app=cattle
``` ```
``` ```
NAME READY STATUS RESTARTS AGE NAME READY STATUS RESTARTS AGE
content/en/docs/tasks/administer-cluster/namespaces.md
+4 -5
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@@ -193,8 +193,6 @@ This delete is asynchronous, so for a time you will see the namespace in the `Te
kubectl scale deployment snowflake --replicas=2 -n=development kubectl scale deployment snowflake --replicas=2 -n=development
``` ```
We have just created a deployment whose replica size is 2 that is running the pod called `snowflake` with a basic container that just serves the hostname. We have just created a deployment whose replica size is 2 that is running the pod called `snowflake` with a basic container that just serves the hostname.
Note that `kubectl run` creates deployments only on Kubernetes cluster >= v1.2. If you are running older versions, it creates replication controllers instead.
If you want to obtain the old behavior, use `--generator=run/v1` to create replication controllers. See [`kubectl run`](/docs/reference/generated/kubectl/kubectl-commands/#run) for more details.
```shell ```shell
kubectl get deployment -n=development kubectl get deployment -n=development
@@ -204,7 +202,7 @@ This delete is asynchronous, so for a time you will see the namespace in the `Te
snowflake 2/2 2 2 2m snowflake 2/2 2 2 2m
``` ```
```shell ```shell
kubectl get pods -l run=snowflake -n=development kubectl get pods -l app=snowflake -n=development
``` ```
``` ```
NAME READY STATUS RESTARTS AGE NAME READY STATUS RESTARTS AGE
@@ -226,7 +224,8 @@ This delete is asynchronous, so for a time you will see the namespace in the `Te
Production likes to run cattle, so let's create some cattle pods. Production likes to run cattle, so let's create some cattle pods.
```shell ```shell
kubectl run cattle --image=k8s.gcr.io/serve_hostname --replicas=5 -n=production kubectl create deployment cattle --image=k8s.gcr.io/serve_hostname -n=production
kubectl scale deployment cattle --replicas=5 -n=production
kubectl get deployment -n=production kubectl get deployment -n=production
``` ```
@@ -236,7 +235,7 @@ This delete is asynchronous, so for a time you will see the namespace in the `Te
``` ```
```shell ```shell
kubectl get pods -l run=cattle -n=production kubectl get pods -l app=cattle -n=production
``` ```
``` ```
NAME READY STATUS RESTARTS AGE NAME READY STATUS RESTARTS AGE