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NET 6409 #19515

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merged 11 commits into from
Dec 18, 2023
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82 changes: 82 additions & 0 deletions website/content/docs/k8s/k8s-cli.mdx
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Expand Up @@ -35,6 +35,7 @@ You can use the following commands with `consul-k8s`.
- [`proxy list`](#proxy-list): List all Pods running proxies managed by Consul.
- [`proxy read`](#proxy-read): Inspect the Envoy configuration for a given Pod.
- [`proxy log`](#proxy-log): Inspect and modify the Envoy logging configuration for a given Pod.
- [`proxy stats`](#proxy-stats): View the Envoy cluster stats for a given Pod.
- [`status`](#status): Check the status of a Consul installation on Kubernetes.
- [`troubleshoot`](#troubleshoot): Troubleshoot Consul service mesh and networking issues from a given pod.
- [`uninstall`](#uninstall): Uninstall Consul deployment.
Expand Down Expand Up @@ -150,6 +151,7 @@ Consul in your Kubernetes Cluster.
- [`proxy list`](#proxy-list): List all Pods running proxies managed by Consul.
- [`proxy read`](#proxy-read): Inspect the Envoy configuration for a given Pod.
- [`proxy log`](#proxy-log): Inspect and modify the Envoy logging configuration for a given Pod.
- [`proxy stats`](#proxy-stats): View the Envoy cluster stats for a given Pod.

### `proxy list`

Expand Down Expand Up @@ -781,6 +783,86 @@ file info
kafka info
lua info
```

### `proxy stats`

The `proxy stats` command allows you to inspect the Envoy cluster stats for Envoy proxies running on a given Pod.

```shell-session
$ consul-k8s proxy stats <PODNAME> <OPTIONS>
```
| Flag | Description | Default |
| ------------------------------------ | ----------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------- |
| <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

Display the Envoy cluster stats in a given pod in default namespace.

```shell-session
$ consul-k8s proxy stats product-api-7c4d77c7c9-6slnl
cluster.frontend.default.dc1.internal.4b11bae3-b8ca-ee63-89bc-428cbfa6ef60.consul.version_text: ""
cluster.nginx.default.dc1.internal.4b11bae3-b8ca-ee63-89bc-428cbfa6ef60.consul.version_text: ""
cluster.payments.default.dc1.internal.4b11bae3-b8ca-ee63-89bc-428cbfa6ef60.consul.version_text: ""
cluster.product-api-db.default.dc1.internal.4b11bae3-b8ca-ee63-89bc-428cbfa6ef60.consul.version_text: ""
cluster.public-api.default.dc1.internal.4b11bae3-b8ca-ee63-89bc-428cbfa6ef60.consul.version_text: ""
cluster_manager.cds.version_text: ""
control_plane.identifier: ""
listener_manager.lds.version_text: ""
cluster.consul-dataplane.assignment_stale: 0
cluster.consul-dataplane.assignment_timeout_received: 0
cluster.consul-dataplane.bind_errors: 0
cluster.consul-dataplane.circuit_breakers.default.cx_open: 0
cluster.consul-dataplane.circuit_breakers.default.cx_pool_open: 0
cluster.consul-dataplane.circuit_breakers.default.rq_open: 0
cluster.consul-dataplane.circuit_breakers.default.rq_pending_open: 0
cluster.consul-dataplane.circuit_breakers.default.rq_retry_open: 0
cluster.consul-dataplane.circuit_breakers.high.cx_open: 0
cluster.consul-dataplane.circuit_breakers.high.cx_pool_open: 0
cluster.consul-dataplane.circuit_breakers.high.rq_open: 0
cluster.consul-dataplane.circuit_breakers.high.rq_pending_open: 0
cluster.consul-dataplane.circuit_breakers.high.rq_retry_open: 0
cluster.consul-dataplane.default.total_match_count: 1
cluster.consul-dataplane.http2.deferred_stream_close: 0
cluster.consul-dataplane.http2.dropped_headers_with_underscores: 0
cluster.consul-dataplane.http2.header_overflow: 0
cluster.consul-dataplane.http2.headers_cb_no_stream: 0
cluster.consul-dataplane.http2.inbound_empty_frames_flood: 0
cluster.consul-dataplane.http2.inbound_priority_frames_flood: 0
.........
```

Display cluster stats of Envoy in a given pod in different namespace.
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```shell-session
$ consul-k8s proxy stats public-api-567d949866-452xc -n consul
cluster.frontend.default.dc1.internal.4b11bae3-b8ca-ee63-89bc-428cbfa6ef60.consul.version_text: ""
cluster.nginx.default.dc1.internal.4b11bae3-b8ca-ee63-89bc-428cbfa6ef60.consul.version_text: ""
cluster.payments.default.dc1.internal.4b11bae3-b8ca-ee63-89bc-428cbfa6ef60.consul.version_text: ""
cluster.product-api-db.default.dc1.internal.4b11bae3-b8ca-ee63-89bc-428cbfa6ef60.consul.version_text: ""
cluster.product-api.default.dc1.internal.4b11bae3-b8ca-ee63-89bc-428cbfa6ef60.consul.version_text: ""
cluster_manager.cds.version_text: ""
control_plane.identifier: ""
listener_manager.lds.version_text: ""
cluster.consul-dataplane.assignment_stale: 0
cluster.consul-dataplane.assignment_timeout_received: 0
cluster.consul-dataplane.bind_errors: 0
cluster.consul-dataplane.circuit_breakers.default.cx_open: 0
cluster.consul-dataplane.circuit_breakers.default.cx_pool_open: 0
cluster.consul-dataplane.circuit_breakers.default.rq_open: 0
cluster.consul-dataplane.circuit_breakers.default.rq_pending_open: 0
cluster.consul-dataplane.circuit_breakers.default.rq_retry_open: 0
cluster.consul-dataplane.circuit_breakers.high.cx_open: 0
cluster.consul-dataplane.circuit_breakers.high.cx_pool_open: 0
cluster.consul-dataplane.circuit_breakers.high.rq_open: 0
cluster.consul-dataplane.circuit_breakers.high.rq_pending_open: 0
cluster.consul-dataplane.circuit_breakers.high.rq_retry_open: 0
.........
```

### `status`

The `status` command provides an overall status summary of the Consul on Kubernetes installation. It also provides the configuration that was used to deploy Consul K8s and information about the health of Consul servers and clients. This command does not take in any flags.
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