mirror of https://github.com/hashicorp/consul
111 lines
14 KiB
Markdown
111 lines
14 KiB
Markdown
---
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layout: docs
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page_title: Consul K8s CLI Reference
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description: >-
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Consul K8s CLI is a tool for quickly installing and interacting with Consul on Kubernetes.
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---
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# Consul K8s CLI Reference
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Consul K8s CLI is a tool for quickly installing and interacting with Consul on Kubernetes.
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This topic describes the commands, subcommands, and available options for using Consul K8s CLI.
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~> Consul K8s CLI is is currently availabe as an alpha release and is not recommended for production environments.
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## Download and Build the Binary
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1. Clone the [consul-k8s](https://github.com/hashicorp/consul-k8s/tree/cli-install/cli) project.
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1. Navigate to the `consul-k8s/cli` directory and issue the following command to build the tool:
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```shell-session
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go build -o bin/consul-k8s
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```
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1. (Optional) Move the binary to you `$PATH` for ease of use, e.g.:
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```shell-session
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mv consul-k8s /usr/local/bin/consul-k8s
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```
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## Usage
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Consul K8s CLI uses the following syntax:
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```shell-session
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consul-k8s <SUBCOMMAND> <OPTIONS>
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```
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## Subcommands
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You can use the following subcommands with `consul-k8s`.
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### `install`
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The `install` command installs Consul on Kubernetes.
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```shell-session
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consul-k8s install <OPTIONS>
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```
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The following options are available.
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| Flag | Description | Default | Required |
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| --------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------- | -------- |
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| `-auto-approve` | Boolean value that enables you to skip the installation confirmation prompt. | `false` | Optional |
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| `-dry-run` | Boolean value that validates the installation and returns a summary. | `false` | Optional |
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| `-config-file` | String value that specifies the path to a file containing custom installation configurations, e.g., Consul Helm chart values file. <br/> You can use the `-config-file` flag multiple times to specify multiple files. | none | Optional |
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| `-namespace` | String value that specifies the namespace of the Consul installation. | `consul` | Optional |
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| `-preset` | String value that installs Consul based on a preset configuration. You can specify the following values: <br/> `demo`: Installs a single replica server with sidecar injection enabled; useful for testing service mesh functionality. <br/> `secure`: Installs a single replica server with sidecar injection, ACLs, and TLS enabled; useful for testing service mesh functionality. | Configuration of the Consul Helm chart. | Optional |
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| `-set` | String value that enables you to set a customizeable value. <br/> You can use the `-set` flag multiple times to set multiple values. <br/> Consul Helm chart values are supported. | none | Optional |
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| `-set-file` | String value that specifies the name of a file. The contents of the file will be used to set a customizeable value. <br/> You can use the `-set-file` flag multiple times to specify multiple files. <br/> Consul Helm chart values are supported. | none | Optional |
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| `-set-string` | String value that enables you to set a customizeable string value. <br/> You can use the `-set-string` flag multiple times to specify multiple strings. <br/> Consul Helm chart values are supported. | none | Optional |
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| `-timeout` | Specifies how long to wait for the installation process to complete before timing out. The value is specified with an integer and string value indicating a unit of time. <br/> The following units are supported: <br/> `ms` (milliseconds)<br/>`s` (seconds)<br/>`m` (minutes) <br/>In the following example, installation will timeout after one minute:<br/> `consul-k8s install -timeout 1m` | Optional | `10m` |
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| `-wait` | Boolean value that determines if Consul should wait for resources in the installation to be ready before exiting the command. | Optional | `true` |
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See [Global Options](#global-options) for additional commands that you can use when installing Consul on Kubernetes.
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#### Example Command
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The following example command installs Consul according in the `myNS` namespace according to the `secure` preset.
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```shell-session
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consul-k8s install -preset=secure -namespace=myNS
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```
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### `uninstall`
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The `uninstall` command removes Consul from Kubernetes.
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```shell-session
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consul-k8s uninstall <OPTIONS>
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```
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The following options are available.
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| Flag | Description | Default | Required |
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| --------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------- | -------- |
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| `-auto-approve` | Boolean value that enables you to skip the removal confirmation prompt. | `false` | Optional |
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| `-name` | String value for the name of the installation to remove. | none | Optional |
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| `-namespace` | String value that specifies the namespace of the Consul installation to remove. | `consul` | Optional |
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| `-timeout` | Specifies how long to wait for the removal process to complete before timing out. The value is specified with an integer and string value indicating a unit of time. <br/> The following units are supported: <br/> `ms` (milliseconds)<br/>`s` (seconds)<br/>`m` (minutes) <br/>`h` (hours) <br/>In the following example, removal will timeout after one minute:<br/> `consul-k8s uninstall -timeout 1m` | Optional | `10m` |
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| `-wipe-data` | Boolan value that deletes PVCs and secrets associated with the Consul installation during installation. <br/> Data will be removed without a verification prompt if the `-auto-approve` flag is set to `true`. | `false` <br/> Instructions for removing data will be printed to the console. | Optional |
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See [Global Options](#global-options) for additional commands that you can use when uninstalling Consul from Kubernetes.
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#### Example Command
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The following example command immediately uninstalls Consul from the `my-ns` namespace with the name `my-consul` and removes PVCs and secrets associated with the installation without asking for verification:
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```shell-session
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consul-k8s uninstall -namespace=my-ns -name=my-consul -wipe-data=true -auto-approve=true
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```
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## Global Options
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The following global options are available.
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| Flag | Description | Default | Required |
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| ------------------------------------------------------------------------- | ----------------------------------------------------------------------------------- | ------- | -------- |
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| `-context` | String value that sets the Kubernetes context to use for Consul K8s CLI operations. | none | Optional |
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| `-kubeconfig` <br/> Alias: `-c` | String value that specifies the path to the `kubeconfig` file. <br/> | none | Optional |
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