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docs: Reformat Uninstall steps (#11040)

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* docs: Reformat Uninstall steps

Reformatting uninstall as steps to make uninstall instructions more clear.
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website/content/docs/k8s/operations/uninstall.mdx
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@ -9,70 +9,70 @@ description: Uninstall Consul on Kubernetes
Uninstalling Consul requires running `helm delete` **and** then manually cleaning
up some resources that Helm does not delete.
1. First, run `helm delete`:
1. First, run `helm delete`:
```shell-session
$ helm delete hashicorp
release "hashicorp" uninstalled
```
```shell-session
$ helm delete hashicorp
release "hashicorp" uninstalled
```
1. After deleting the Helm release, you need to delete the `PersistentVolumeClaim`'s
for the persistent volumes that store Consul's data. These are not deleted by Helm due to a [bug](https://github.com/helm/helm/issues/5156).
To delete, run:
2. After deleting the Helm release, you need to delete the `PersistentVolumeClaim`'s
for the persistent volumes that store Consul's data. These are not deleted by Helm due to a [bug](https://github.com/helm/helm/issues/5156).
To delete, run:
```shell-session
$ kubectl get pvc -l chart=consul-helm
NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE
data-default-hashicorp-consul-server-0 Bound pvc-32cb296b-1213-11ea-b6f0-42010a8001db 10Gi RWO standard 17m
data-default-hashicorp-consul-server-1 Bound pvc-32d79919-1213-11ea-b6f0-42010a8001db 10Gi RWO standard 17m
data-default-hashicorp-consul-server-2 Bound pvc-331581ea-1213-11ea-b6f0-42010a8001db 10Gi RWO standard 17m
```shell-session
$ kubectl get pvc -l chart=consul-helm
NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE
data-default-hashicorp-consul-server-0 Bound pvc-32cb296b-1213-11ea-b6f0-42010a8001db 10Gi RWO standard 17m
data-default-hashicorp-consul-server-1 Bound pvc-32d79919-1213-11ea-b6f0-42010a8001db 10Gi RWO standard 17m
data-default-hashicorp-consul-server-2 Bound pvc-331581ea-1213-11ea-b6f0-42010a8001db 10Gi RWO standard 17m
$ kubectl delete pvc -l chart=consul-helm
persistentvolumeclaim "data-default-hashicorp-consul-server-0" deleted
persistentvolumeclaim "data-default-hashicorp-consul-server-1" deleted
persistentvolumeclaim "data-default-hashicorp-consul-server-2" deleted
```
$ kubectl delete pvc -l chart=consul-helm
persistentvolumeclaim "data-default-hashicorp-consul-server-0" deleted
persistentvolumeclaim "data-default-hashicorp-consul-server-1" deleted
persistentvolumeclaim "data-default-hashicorp-consul-server-2" deleted
```
~> **NOTE:** This will delete **all** data stored in Consul and it can't be
recovered unless you've taken other backups.
~> **NOTE:** This will delete **all** data stored in Consul and it can't be
recovered unless you've taken other backups.
1. If installing with ACLs enabled, you will need to then delete the ACL secrets:
3. If installing with ACLs enabled, you will need to then delete the ACL secrets:
```shell-session
$ kubectl get secret | grep consul | grep Opaque
consul-acl-replication-acl-token Opaque 1 41m
consul-bootstrap-acl-token Opaque 1 41m
consul-client-acl-token Opaque 1 41m
consul-connect-inject-acl-token Opaque 1 37m
consul-controller-acl-token Opaque 1 37m
consul-federation Opaque 4 41m
consul-mesh-gateway-acl-token Opaque 1 41m
```
```shell-session
$ kubectl get secret | grep consul | grep Opaque
consul-acl-replication-acl-token Opaque 1 41m
consul-bootstrap-acl-token Opaque 1 41m
consul-client-acl-token Opaque 1 41m
consul-connect-inject-acl-token Opaque 1 37m
consul-controller-acl-token Opaque 1 37m
consul-federation Opaque 4 41m
consul-mesh-gateway-acl-token Opaque 1 41m
```
Ensure that the secrets you're about to delete are all created by Consul and not
created by someone else that happen to have the word `consul`.
4. Ensure that the secrets you're about to delete are all created by Consul and not
created by someone else that happen to have the word `consul`:
```shell-session
$ kubectl get secret | grep consul | grep Opaque | awk '{print $1}' | xargs kubectl delete secret
secret "consul-acl-replication-acl-token" deleted
secret "consul-bootstrap-acl-token" deleted
secret "consul-client-acl-token" deleted
secret "consul-connect-inject-acl-token" deleted
secret "consul-controller-acl-token" deleted
secret "consul-federation" deleted
secret "consul-mesh-gateway-acl-token" deleted
secret "consul-gossip-encryption-key" deleted
```
```shell-session
$ kubectl get secret | grep consul | grep Opaque | awk '{print $1}' | xargs kubectl delete secret
secret "consul-acl-replication-acl-token" deleted
secret "consul-bootstrap-acl-token" deleted
secret "consul-client-acl-token" deleted
secret "consul-connect-inject-acl-token" deleted
secret "consul-controller-acl-token" deleted
secret "consul-federation" deleted
secret "consul-mesh-gateway-acl-token" deleted
secret "consul-gossip-encryption-key" deleted
```
If installing with `tls.enabled` then there will be a `ServiceAccount` that is left behind:
5. If installing with `tls.enabled` then there will be a `ServiceAccount` that is left behind:
```shell-session
$ kubectl get serviceaccount consul-tls-init
NAME SECRETS AGE
consul-tls-init 1 47m
```
```shell-session
$ kubectl get serviceaccount consul-tls-init
NAME SECRETS AGE
consul-tls-init 1 47m
```
```shell-session
$ kubectl delete serviceaccount consul-tls-init
serviceaccount "consul-tls-init" deleted
```
```shell-session
$ kubectl delete serviceaccount consul-tls-init
serviceaccount "consul-tls-init" deleted
```

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