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install-and-configure-omnictl.md

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description
A guide on installing and configuring omnictl for Omni.

Install and Configure Omnictl

1. Installation

Pick one of the installation methods below.

a. Recommended installation

To install omnictland the kubectl oidc-loginplugin automatically on macOS and Linux you can use the provided Hombrew formula.

brew install siderolabs/tap/sidero-tools

This will install talosctl, omnictl, and kube-oidc_loginand keep them updated.

b. Manual installation

Download omnictl from the Omni dashboard.

{% hint style="info" %} The downloaded binary will be named according the the selected platform and architecture (e.g. omnictl-linux-amd64). It is left as an exercise to the user to move the downloaded binary into your PATH and make it executable. This guide assumes the downloaded binary has been renamed omnictl.

For example, to do so on a mac:

mv omnictl-darwin-arm64 omnictl
chmod +x omnictl
mv omnictl /usr/local/bin

{% endhint %}

2. Configuration File

Download omniconfig from the Omni dashboard.

Omnictl follows the XDG Base Directory Specification for its configuration files location.

Omni configuration is stored under $XDG_CONFIG_HOME/omni/config. This means, the correct configuration file locations for omniconfig are the following:

OSOmniconfig Path
Linux~/.config/omni/config
MacOS~/Library/Application Support/omni/config
Windows%LOCALAPPDATA%\omni\config, e.g., C:\Users\<USER>\AppData\Local\omni\config

Add the downloaded omniconfig.yaml to the default location for your OS to use it with omnictl:

cp omniconfig.yaml <LOCATION_FOR_YOUR_OS_ABOVE>

If you would like to merge the omniconfig.yaml with an existing configuration, use the following command:

omnictl config merge ./omniconfig.yaml

List the contexts to verify that the omniconfig was added:

$ omnictl config contexts
CURRENT   NAME         URL
          ...
          example      https://example.omni.siderolabs.io/
          ...

Run omnictl for the first time to perform initial authentication using a web browser:

omnictl get clusters

If the browser window does not open automatically, it can be opened manually by copying and pasting the URL into a web browser:

BROWSER=echo omnictl get clusters