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docs/k8s: use pod labels for upgrades (#17059) 

* docs/helm: use pod labels for upgrades

* Grammar

* Update website/content/docs/platform/k8s/helm/run.mdx

Co-authored-by: Tom Proctor <tomhjp@users.noreply.github.com>

* Update website/content/docs/platform/k8s/helm/run.mdx

Co-authored-by: Tom Proctor <tomhjp@users.noreply.github.com>

Co-authored-by: Tom Proctor <tomhjp@users.noreply.github.com>
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Jason O'Donnell 2022-09-08 11:13:11 -04:00 committed by GitHub
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website/content/docs/platform/k8s/helm/run.mdx
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@ -437,11 +437,20 @@ $ kubectl delete pod <name of Vault pod>
``` ```
If Vault is deployed using `ha` mode, the standby pods must be upgraded first. If Vault is deployed using `ha` mode, the standby pods must be upgraded first.
To identify which pod is currently the active primary, run the following command Vault has K8s service discovery built in (when enabled in the server configuration) and
on each Vault pod: will automatically change the labels of the pod with its current leader status. These labels
can be used to filter the pods.
For example, select all pods that are Vault standbys:
```shell-session ```shell-session
$ kubectl exec -ti <name of pod> -- vault status | grep "HA Mode" $ kubectl get pods -l vault-active=false
```
Select the active Vault pod:
```shell-session
$ kubectl get pods -l vault-active=true
``` ```
Next, delete every pod that is not the active primary: Next, delete every pod that is not the active primary: