helm-index.yml

name: Update Helm Charts Index

on:
  push:
    branches:
      - "charts"
    paths:
      - '**.tgz'

env:
  env_var: ${{ vars.ENV_CONTEXT_VAR }}
  CHARTS_REPO: "getjavelin/charts"
  CHARTS_BRANCH: "charts"
  CHARTS_LOCAL_REPO: "charts-repo"
  CHART_RETENTION: "20"

jobs:
  index-update:
    permissions:
      contents: 'read'
      id-token: 'write'
    runs-on: ubuntu-latest
    if: "!contains(github.event.head_commit.message, 'skip ci')"
    steps:
      - name: Git Checkout
        uses: actions/checkout@v4
        with:
          repository: ${{ env.CHARTS_REPO }}
          token: ${{ secrets.DEVOPS_GITHUB_TOKEN }}
          fetch-depth: 0
          persist-credentials: true
          ref: ${{ env.CHARTS_BRANCH }}
          path: ${{ env.CHARTS_LOCAL_REPO }}

      - name: Helm Installation
        uses: azure/setup-helm@v4.2.0
        with:
          # version: v3.13.0
          version: latest

      - name: Update Index
        env:
          GITHUB_TOKEN: ${{ secrets.DEVOPS_GITHUB_TOKEN }}
        run: |
          git config --global user.email "devops.bot@getjavelin.io"
          git config --global user.name "DevOps Bot"
          cd ${{ env.CHARTS_LOCAL_REPO }}
          git pull
          for mychart_ver in $(ls release) ; do 
            mychart=$(echo ${mychart_ver} | sed "s|_do_not_edit.txt||g")
            ls -trl ${mychart}*.tgz | grep -v latest | awk '{print $9}' | tail -n +${{ env.CHART_RETENTION }} | xargs -I {} rm -- {}
          done
          helm repo index .
          git add .
          git commit -m "Updating chart index - skip ci"
          git push origin ${{ env.CHARTS_BRANCH }}