---
# SPDX-License-Identifier: Apache-2.0
# Copyright 2026 The Linux Foundation

name: voltha-helm-charts release

# yamllint disable-line rule:truthy
on:
  workflow_dispatch:
  push:
    # Only invoked on release tag pushes
    tags:
      - v*.*.*

permissions:
  contents: write

env:
  PUBLISH_URL: "charts.lfbroadband.org"
  OLD_REPO_DIR: "cord-charts-repo"
  NEW_REPO_DIR: "chart_repo"
  SYNC_TARGET_USER: "jenkins"
  SYNC_TARGET_SERVER: "static.lfbroadband.org"

jobs:
  publish-helm-repo:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout charts source
        # yamllint disable-line rule:line-length
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          fetch-depth: 0

      - name: Checkout published chart repository
        # yamllint disable-line rule:line-length
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          repository: opencord/${{ env.OLD_REPO_DIR }}
          token: ${{ secrets.CORD_REPO_TOKEN }}
          path: ${{ env.OLD_REPO_DIR }}
          fetch-depth: 0

      - name: Checkout helm-repo-tools
        # yamllint disable-line rule:line-length
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          repository: opencord/helm-repo-tools
          path: helm-repo-tools

      - name: Set up Helm
        uses: azure/setup-helm@9bc31f4ebc9c6b171d7bfbaa5d006ae7abdb4310 # v5.0.1

      - name: Add external Helm repositories
        run: |
          set -eu -o pipefail
          helm repo add stable https://charts.helm.sh/stable
          helm repo add rook-release https://charts.rook.io/release
          helm repo add cord https://charts.lfbroadband.org
          helm repo add elastic https://helm.elastic.co
          helm repo add kiwigrid https://kokuwaio.github.io/helm-charts

      - name: Build/update chart repository index
        run: ./helm-repo-tools/helmrepo.sh

      - name: Compute release version
        id: version
        run: echo "version=$(date -u +%Y%m%dT%H%M%SZ)" >> "$GITHUB_OUTPUT"

      - name: Commit, tag and push updated chart repository
        id: publish
        # Only commits when helmrepo.sh actually added/updated packages, and
        # pushes both the commit and the date-based tag.
        # yamllint disable-line rule:line-length
        uses: stefanzweifel/git-auto-commit-action@4a55954c782fc1ea30b9056cd3e7a2b40ca8887d # v7.2.0
        with:
          repository: ${{ env.OLD_REPO_DIR }}
          commit_message: >-
            Update helm chart repository
          commit_options: "--signoff"
          commit_user_name: "VOLTHA Bot"
          commit_user_email: "do-not-reply@opennetworking.org"
          tagging_message: ${{ steps.version.outputs.version }}

      - name: Configure SSH access to static server
        if: steps.publish.outputs.changes_detected == 'true'
        env:
          SSH_PRIVATE_KEY: ${{ secrets.STATIC_LFBB_JENKINS_SSH_KEY }}
        run: |
          set -eu
          mkdir -p ~/.ssh
          chmod 700 ~/.ssh
          printf '%s\n' "$SSH_PRIVATE_KEY" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa
          ssh-keyscan -H "$SYNC_TARGET_SERVER" >> ~/.ssh/known_hosts 2>/dev/null

      - name: Sync chart repository to static server
        if: steps.publish.outputs.changes_detected == 'true'
        run: |
          set -eu -o pipefail
          rsync -rvzh --delete-after --exclude=.git \
            "${OLD_REPO_DIR}/" \
            "${SYNC_TARGET_USER}@${SYNC_TARGET_SERVER}:/srv/sites/${PUBLISH_URL}/"