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update garbage collector info in replicaset (#9616)

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* update garbage collector info in replicaset

* update wording

* remove will and need to
This commit is contained in:
CaoShuFeng
2018-08-22 03:19:54 +08:00
committed by k8s-ci-robot
parent 4566d54b8a
commit 47d7800691
1 changed files with 16 additions and 9 deletions
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content/en/docs/concepts/workloads/controllers/replicaset.md
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@@ -155,19 +155,26 @@ If you do not specify `.spec.replicas`, then it defaults to 1.
### Deleting a ReplicaSet and its Pods
To delete a ReplicaSet and all its pods, use [`kubectl
delete`](/docs/reference/generated/kubectl/kubectl-commands#delete). Kubectl will scale the ReplicaSet to zero and wait
for it to delete each pod before deleting the ReplicaSet itself. If this kubectl command is interrupted, it can
be restarted.
To delete a ReplicaSet and all of its Pods, use [`kubectl delete`](/docs/reference/generated/kubectl/kubectl-commands#delete). The [Garbage collector](/docs/concepts/workloads/controllers/garbage-collection/) automatically deletes all of the dependent Pods by default.
When using the REST API or go client library, you need to do the steps explicitly (scale replicas to
0, wait for pod deletions, then delete the ReplicaSet).
When using the REST API or the `client-go` library, you must set `propagationPolicy` to `Background` or `Foreground` in delete option. e.g. :
```shell
kubectl proxy --port=8080
curl -X DELETE 'localhost:8080/apis/extensions/v1beta1/namespaces/default/replicasets/frontend' \
> -d '{"kind":"DeleteOptions","apiVersion":"v1","propagationPolicy":"Foreground"}' \
> -H "Content-Type: application/json"
```
### Deleting just a ReplicaSet
You can delete a ReplicaSet without affecting any of its pods, using [`kubectl delete`](/docs/reference/generated/kubectl/kubectl-commands#delete) with the `--cascade=false` option.
When using the REST API or go client library, simply delete the ReplicaSet object.
You can delete a ReplicaSet without affecting any of its pods using [`kubectl delete`](/docs/reference/generated/kubectl/kubectl-commands#delete) with the `--cascade=false` option.
When using the REST API or the `client-go` library, you must set `propagationPolicy` to `Orphan`, e.g. :
```shell
kubectl proxy --port=8080
curl -X DELETE 'localhost:8080/apis/extensions/v1beta1/namespaces/default/replicasets/frontend' \
> -d '{"kind":"DeleteOptions","apiVersion":"v1","propagationPolicy":"Orphan"}' \
> -H "Content-Type: application/json"
```
Once the original is deleted, you can create a new ReplicaSet to replace it. As long
as the old and new `.spec.selector` are the same, then the new one will adopt the old pods.