Extending Helm with plugins

Helm can be extended with plugins as well. Plugins are useful to extend Helm features that are not part of the Helm CLI, as Helm might not have everything that you need.

There is no central Helm plugins repository yet, where you would be able to see a list of all available plugins, nor is there a Helm plugin manager.

As most of the plugins are stored in GitHub repositories, and it is recommended to use the GitHub topic helm-plugin to label the plugin, you can easily search for available plugins there:

Figure 9.20 – Helm plugins search on GitHub

In the preceding screenshot https://github.com/search?q=helm-plugin was used to search for Helm plugins in GitHub.

Let's see how easy it is to install a Helm plugin:

$ helm plugin list

The output of the preceding command is shown in the following screenshot:

Figure 9.21 – Helm plugin helm-diff being installed

In the preceding command...