build-and-test.yaml

---
name: Build and test image

on:
  push:
    branches:
      - master
    tags:
      - 'v*'
  pull_request:
    branches:
      - master

# cancel outdated jobs for the same reference
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

env:
  IMAGE: ${{ github.repository_owner }}/go_tile
  TAG: ${{ github.sha }}

jobs:
  test:
    defaults:
      run:
        shell: bash
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os:
          - macos-latest
          - ubuntu-latest
          - windows-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Install coreutils (macOS)
        if: matrix.os == 'macos-latest'
        run: brew install coreutils

      - name: Run tests
        run: make test

      - name: Generate certificate
        env:
          SUBJ: ${{ (matrix.os == 'windows-latest') && '//C=US\ST=None\L=None\O=None\CN=localhost' || '/C=US/ST=None/L=None/O=None/CN=localhost' }}
        run: |
          openssl req \
              -new \
              -newkey rsa:4096 \
              -days 365 \
              -nodes \
              -x509 \
              -subj "${SUBJ}" \
              -keyout localhost.key \
              -out localhost.cert
        
      - name: Create metatile directory
        run: |
          mkdir -p data/ajt/0/0/0/0/0
          ln -s ../../../../../../../mock_data/0.meta data/ajt/0/0/0/0/0/0.meta

      - name: Build & run server
        run: |
          make build
          ./go_tile -tls_cert_path localhost.cert -tls_key_path localhost.key &

      - name: Fetch & check tile from server
        env:
          HTTP_URL: http://localhost:8080/tile/0/0/0.png
          HTTPS_URL: https://localhost:8443/tile/0/0/0.png
          SHA256SUM: d038526e9db340fca762fe2f7e04a368583d9150a7d59ed8d27e40e4e3e00719
        run: |
          curl --silent ${HTTP_URL} > tile_http.png
          curl --insecure --silent ${HTTPS_URL} > tile_https.png
          echo "${SHA256SUM}  tile_http.png" | sha256sum --check --status && \
            echo "HTTP SHA256SUM Matching!"
          echo "${SHA256SUM}  tile_https.png" | sha256sum --check --status && \
            echo "HTTPS SHA256SUM Matching!"

  deploy:
    runs-on: ubuntu-latest
    needs:
      - test
    if: ${{ github.event_name != 'pull_request' }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Docker meta
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            ghcr.io/${{ env.IMAGE }}
          tags: |
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) }}
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to GHCR
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v4
        with:
          pull: true
          push: true
          context: .
          file: docker/Dockerfile.go_tile
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha,scope=${{ github.workflow }}
          cache-to: type=gha,scope=${{ github.workflow }},mode=max