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add docs for consul-k8s config read command (#17461) 

* add docs for consul-k8s config read command

This PR adds documentation for the functionality introduced in
https://github.com/hashicorp/consul-k8s/pull/2078.

* add output

---------

Co-authored-by: David Yu <dyu@hashicorp.com>
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Hans Hasselberg 2023-05-25 19:10:00 +02:00 committed by GitHub
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website/content/docs/k8s/k8s-cli.mdx
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@ -28,6 +28,8 @@ $ consul-k8s <COMMAND> <OPTIONS>
You can use the following commands with `consul-k8s`.
- [`config`](#config): Interact with helm configuration.
- [`config read`](#config-read): Read helm configuration of a Consul installation.
- [`install`](#install): Install Consul on Kubernetes.
- [`proxy`](#proxy): Inspect Envoy proxies managed by Consul.
- [`proxy list`](#proxy-list): List all Pods running proxies managed by Consul.
@ -39,6 +41,51 @@ You can use the following commands with `consul-k8s`.
- [`upgrade`](#upgrade): Upgrade Consul on Kubernetes from an existing installation.
- [`version`](#version): Print the version of the Consul on Kubernetes CLI.
### `config`
The `config` command exposes the `read` subcommand that allows to read the helm configuration of a Consul installation.
- [`config read`](#config-read): Read helm configuration of a Consul installation.
### `config read`
```shell-session
$ consul-k8s config read <OPTIONS>
```
| Flag | Description | Default |
| ------------------------------------ | ----------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------- |
| <nobr>`-all-namespaces`, `-A`</nobr> | `Boolean` List pods in all Kubernetes namespaces. | `false` |
| <nobr>`-namespace`, `-n`</nobr> | `String` The Kubernetes namespace to list proxies in. | Current [kubeconfig](https://kubernetes.io/docs/concepts/configuration/organize-cluster-access-kubeconfig/) namespace. |
Refer to the [Global Options](#global-options) for additional options that you can use
when installing Consul on Kubernetes.
#### Example Commands
The following example command reads the Helm configuration in the `myNS` namespace.
```shell-session
$ consul-k8s config read -namespace=myNS
```
```
global:
cloud:
clientId:
secretKey: client-id
secretName: consul-hcp-client-id
clientSecret:
secretKey: client-secret
secretName: consul-hcp-client-secret
enabled: true
resourceId:
secretKey: resource-id
secretName: consul-hcp-resource-id
image: hashicorp/consul:1.14.7
name: consul
```
### `install`
The `install` command installs Consul on your Kubernetes cluster.