Chapter 6: Testing Helm Charts

Here are some answers to the questions presented in this chapter:

1. The helm template command is used to generate your Helm templates locally. The helm lint command is used to lint for errors in your chart’s structure and chart definition file. It also attempts to find errors that will result in a failed installation.
2. To validate your chart templates prior to installation, you can run the helm template command to generate your YAML resources locally to ensure they were generated properly. You can also use the --verify flag to check with the API server that your YAML schemas are correct without installing the resources. The helm install --dry-run command can also perform this check with the API server prior to installation.
3. One tool that can be used to lint the style of your YAML resources is the yamllint tool. It can be used alongside helm template to lint your generated resources (for example, helm template my-test test-chart | yamllint...