motive-chart-release.yaml

name: CI - Helm Release

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths:
      - 'charts/**'
      - '!charts/**/README.md'

jobs:
  helm-release:
    runs-on: 'ubuntu-latest'

    defaults:
      run:
        shell: sh

    steps:
      - name: "Checkout main branch"
        uses: actions/checkout@v4
        with:
          persist-credentials: false
          fetch-depth: 0

      - name: "Configure Git"
        shell: sh
        run: |
          git config --global user.name "$GITHUB_ACTOR"
          git config --global user.email "$GITHUB_ACTOR@users.noreply.github.com"

      - name: "Install Helm"
        uses: azure/setup-helm@v4
        with:
          version: v3.7.0

      - name: "Add Helm repositories"
        run: |
          # Install yq tool to parse Chart.yaml to identify Helm dependencies repositories
          wget https://github.com/mikefarah/yq/releases/download/v4.21.1/yq_linux_386 -O /usr/bin/yq && chmod +x /usr/bin/yq
          # Retrieve all helm dependencies repositories and run `helm repo add` for each of them.
          # Command explanation follows:
          #
          # yq '.dependencies.[].repository' helm/*/Chart.yaml --> Prints repository field for all Chart dependencies.
          # sed 's:/*$::' --> Trims the trailing forward slash '/' at the end of the repository URL, if any
          # sort | uniq ----> Removes duplicated entries, for those cases where more than 1 dependency comes
          #                   from the same Helm repository
          yq '.dependencies.[].repository' charts/*/Chart.yaml | awk '/^http/' | sed 's:/*$::' | sort | uniq | while read helm_repo; do
            # Helm repo name is generated from a random string, as it is not persisted between executions.
            helm repo add $(openssl rand -hex 12) ${helm_repo}
          done

      - name: "Run chart-releaser"
        uses: helm/chart-releaser-action@v1.6.0
        with:
          charts_dir: charts
        env:
          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"