Helm Lint

Reusable workflow that lints Helm charts using chart-testing (ct lint). It runs Helm template validation, Yamale and yamllint on your charts.

Inputs

Input	Description	Required	Default
charts_dir	Directory containing Helm charts (used as --chart-dirs).	No	.
config	Path to a chart-testing config file (e.g. .github/ct.yaml). If set, ct lint uses this config instead of --chart-dirs.	No	—
chart_testing_version	chart-testing CLI version to install.	No	v3.11.0

Usage

name: Lint Helm Charts

on:
  pull_request:
    paths:
      - 'charts/**'
      - '**/Chart.yaml'

jobs:
  lint:
    uses: AutomationDojo/reusable-cicd/.github/workflows/helm-lint.yml@main
    with:
      charts_dir: "charts"

With a chart-testing config

jobs:
  lint:
    uses: AutomationDojo/reusable-cicd/.github/workflows/helm-lint.yml@main
    with:
      config: ".github/ct.yaml"

Example ct.yaml

Create a chart-testing config file (e.g. .github/ct.yaml) to control chart dirs, lint config, and more:

# .github/ct.yaml
chart-dirs:
  - charts
helm-extra-args: --timeout 5m

Notes

• The workflow installs Helm, Python (for yamllint/yamale), and the chart-testing CLI.
• No secrets or extra permissions are required; contents: read is sufficient.