ci.yaml

name: CI - CD
on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  validations:
    runs-on: ubuntu-latest
    env:
      DATABASE_URL: postgresql://sill:pg_password@localhost:5432/sill
    services:
      postgres:
        image: postgres:16-alpine
        env:
          POSTGRES_USER: sill
          POSTGRES_PASSWORD: pg_password
          POSTGRES_DB: sill
        ports:
          - 5432:5432
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: "20"
      - uses: bahmutov/npm-install@v1
      - name: Build back
        run: cd api && yarn build
      - name: Migrate db
        run: cd api && yarn migrate latest
      - name: Fullcheck
        run: yarn fullcheck
  #
  check_if_version_upgraded:
    name: Check if version upgrade
    if: github.event_name == 'push'
    runs-on: ubuntu-latest
    needs: validations
    outputs:
      from_version: ${{ steps.step1.outputs.from_version }}
      to_version: ${{ steps.step1.outputs.to_version }}
      is_upgraded_version: ${{ steps.step1.outputs.is_upgraded_version }}
    steps:
      - uses: garronej/ts-ci@v2.1.0
        id: step1
        with:
          action_name: is_package_json_version_upgraded

  create_tag:
    name: Create version tag
    runs-on: ubuntu-latest
    needs:
      - check_if_version_upgraded
    if: needs.check_if_version_upgraded.outputs.is_upgraded_version == 'true'
    env:
      TO_VERSION: ${{ needs.check_if_version_upgraded.outputs.to_version }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      - name: Create tag
        run: |
          git config --local user.email "actions@github.com"
          git config --local user.name "GitHub Actions"
          git tag -a v${{ env.TO_VERSION }} -m "Deployment tag for v${{ env.TO_VERSION }}"
          git push --tags

  pre-release:
    runs-on: ubuntu-latest
    needs:
      - check_if_version_upgraded
      - create_tag
    permissions:
      contents: write
    env:
      PRE_RELEASE_TAG: v${{ needs.check_if_version_upgraded.outputs.to_version }}-rc
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: "20"
      - uses: bahmutov/npm-install@v1
      - run: cd web
      - name: Build
        run: yarn build
      - name: "Generate release candidate on github"
        uses: softprops/action-gh-release@v2
        with:
          name: Release candidate ${{ env.PRE_RELEASE_TAG }}
          prerelease: true
          tag_name: ${{ env.PRE_RELEASE_TAG }}
          generate_release_notes: true
          token: ${{ secrets.GITHUB_TOKEN }}
      - name: Delete old prereleases
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const excludeTagName = '${{ env.PRE_RELEASE_TAG }}';
            const releases = await github.request(`GET /repos/${{ github.repository }}/releases`);

            const oldPrereleases = releases.data
              .filter(release => release.prerelease && release.tag_name !== excludeTagName);

            console.log(`Found ${oldPrereleases.length} old prereleases`);

            for (const release of oldPrereleases) {
              console.log(`Deleting prerelease: ${release.tag_name} and the corresponding tag`);
              await github.request(`DELETE /repos/${{ github.repository }}/releases/${release.id}`);
              await github.request(`DELETE /repos/${{ github.repository }}/git/refs/tags/${release.tag_name}`);
            }

  docker:
    runs-on: ubuntu-latest
    needs:
      - pre-release
      - check_if_version_upgraded
    steps:
      - uses: actions/checkout@v4
      - uses: docker/setup-qemu-action@v3
      - uses: docker/setup-buildx-action@v3
      - uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      - name: Computing Docker image tags
        id: step1
        env:
          TO_VERSION: ${{ needs.check_if_version_upgraded.outputs.to_version }}
        run: |
          OUT_API=$GITHUB_REPOSITORY-api:$TO_VERSION,$GITHUB_REPOSITORY-api:latest
          OUT_API=$(echo "$OUT_API" | awk '{print tolower($0)}')
          echo ::set-output name=docker_api_tags::$OUT_API

          OUT_WEB=$GITHUB_REPOSITORY-web:$TO_VERSION,$GITHUB_REPOSITORY-web:latest
          OUT_WEB=$(echo "$OUT_WEB" | awk '{print tolower($0)}')
          echo ::set-output name=docker_web_tags::$OUT_WEB

      - uses: docker/build-push-action@v5
        with:
          push: true
          context: .
          file: ./Dockerfile.api
          tags: ${{ steps.step1.outputs.docker_api_tags }}
      - uses: docker/build-push-action@v5
        with:
          push: true
          context: .
          file: ./Dockerfile.web
          tags: ${{ steps.step1.outputs.docker_web_tags }}

  poke_gitops:
    name: "Poke gitops"
    runs-on: ubuntu-latest
    needs:
      - docker
    steps:
      - uses: peter-evans/repository-dispatch@v3
        with:
          token: ${{ secrets.PAT_PRIVATE_REPO_DISPATCH }}
          event-type: update_sill
          repository: codegouvfr/paris-sspcloud

  trigger_pre_production_deploy:
    name: "Trigger pre-production deploy"
    runs-on: ubuntu-latest
    concurrency:
      group: deploy-to-pre-production
      cancel-in-progress: true
    needs:
      - pre-release
      - check_if_version_upgraded
    env:
      TO_VERSION: ${{ needs.check_if_version_upgraded.outputs.to_version }}
    steps:
      - run: echo "Triggering production deploy"
      - name: Set up SSH
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          ssh-keyscan code.gouv.fr >> ~/.ssh/known_hosts
          ssh -o StrictHostKeyChecking=no web@code.gouv.fr "bash -c 'eval \"\$(ssh-agent -s)\" && ssh-add ~/.ssh/sill-data && ./update-sill-preprod.sh v${{ env.TO_VERSION }}'"
        env:
          SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}


  trigger_production_deploy:
    name: "Trigger production deploy"
    runs-on: ubuntu-latest
    environment: production
    concurrency:
      group: deploy-to-production
      cancel-in-progress: true
    needs:
      - trigger_pre_production_deploy
      - check_if_version_upgraded
    env:
      TO_VERSION: ${{ needs.check_if_version_upgraded.outputs.to_version }}
    steps:
      - run: echo "Triggering production deploy"
      - name: Set up SSH
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          ssh-keyscan code.gouv.fr >> ~/.ssh/known_hosts
          ssh -o StrictHostKeyChecking=no web@code.gouv.fr "bash -c 'eval \"\$(ssh-agent -s)\" && ssh-add ~/.ssh/sill-data && ./update-sill-docker-compose.sh v${{ env.TO_VERSION }}'"
        env:
          SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}

  create_github_release:
    name: "Create release notes"
    runs-on: ubuntu-latest
    needs:
      - trigger_production_deploy
      - check_if_version_upgraded
      - create_tag
    if: |
      needs.check_if_version_upgraded.outputs.is_upgraded_version == 'true' && github.event_name == 'push'
    #     We create a release only when all of the above are validated:
    #     - we are on default branch
    #     - version has been upgraded
    #     - we have pushed to production
    env:
      TO_VERSION: ${{ needs.check_if_version_upgraded.outputs.to_version }}
    steps:
      - name: "Generate release candidate on github"
        uses: softprops/action-gh-release@v2
        with:
          name: Release v${{ env.TO_VERSION }}
          prerelease: false
          tag_name: v${{ env.TO_VERSION }}
          generate_release_notes: true
          token: ${{ secrets.GITHUB_TOKEN }}