test-build-deploy.yml

name: Test, build and deploy

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
    - name: Check out code
      uses: actions/checkout@v4
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: 3.12
    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install -r requirements.txt
    - name: Run tests
      run: |
        python -m unittest discover

  build:
    runs-on: ubuntu-latest
    needs: test
    if: github.event_name == 'push'
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Log in to the Github Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push container
        id: build
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64
          tags: ghcr.io/${{ github.repository }}:latest-amd64
          push: true
      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"
      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-amd64
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  build-arm:
    runs-on: buildjet-2vcpu-ubuntu-2204-arm
    needs: test
    if: github.event_name == 'push'
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
      - name: Log in to the Github Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push
        id: build
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/arm64
          tags: ghcr.io/${{ github.repository }}:latest-arm64
          push: true
      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"
      - name: Upload digest
        uses: actions/upload-artifact@v4
        with:
          name: digests-arm64
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  merge:
    runs-on: ubuntu-latest
    needs:
      - build
      - build-arm
    if: github.event_name == 'push'
    steps:
      - name: Download digests
        uses: actions/download-artifact@v4
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
      - name: Log in to the Github Container registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Create manifest list and push
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create -t ghcr.io/${{ github.repository }}:latest $(printf 'ghcr.io/${{ github.repository }}@sha256:%s ' *)

  deploy:
    runs-on: ubuntu-latest
    needs: merge
    if: github.event_name == 'push'
    steps:
      - name: Setup Tailscale
        id: tailscale
        uses: tailscale/github-action@main
        with:
          oauth-client-id: ${{ secrets.TS_OAUTH_CLIENT_ID }}
          oauth-secret: ${{ secrets.TS_OAUTH_SECRET }}
          tags: tag:ops
      - name: Pull and restart latest container
        run: |
          ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null "ubuntu@ktcorp" "cd /home/ubuntu/rss-lambda && docker compose pull && docker compose up -d"

  notify:
    runs-on: ubuntu-latest
    needs:
      - merge
      - deploy
    if: github.event_name == 'push'
    steps:
      - name: Send a Discord notification
        uses: nobrayner/discord-webhook@v1
        with:
          github-token: ${{ secrets.github_token }}
          discord-webhook: ${{ secrets.DISCORD_WEBHOOK }}