ci.yaml

name: CI
on:
  push:
    branches:
      - main
    tags:
      - "*"
    paths-ignore:
      - "**/*.md"
      - "LICENSE"
  pull_request:
  workflow_dispatch:

env:
  GO_VERSION: '1.20'
  TINYGO_VERSION: 0.30.0
  # Run e2e tests against latest two releases and latest dev
  ENVOY_IMAGES: >
    envoyproxy/envoy:v1.27-latest
    envoyproxy/envoy:v1.26-latest
    envoyproxy/envoy-dev:latest
    istio/proxyv2:1.18.2
    istio/proxyv2:1.19.0

jobs:
  build:
    name: "Build (multiphase evaluation: ${{ matrix.multiphase_eval }})"
    runs-on: ubuntu-22.04
    permissions:
      contents: write
      packages: write
    strategy:
      matrix:
        multiphase_eval: ["true","false"]
    env:
      MULTIPHASE_EVAL: ${{ matrix.multiphase_eval }}
    steps:
      - name: Check out code
        uses: actions/checkout@v3
        with:  # Ensure release_notes.sh can see prior commits
          fetch-depth: 0

      - name: Install Go
        uses: actions/setup-go@v3
        with:
          go-version: ${{ env.GO_VERSION }}
          cache: true

      - name: Install TinyGo
        run: |
          gh release download v${TINYGO_VERSION} -p '*.linux-amd64.tar.gz' -D ~ -R github.com/tinygo-org/tinygo
          tar -xf ~/tinygo${TINYGO_VERSION}.linux-amd64.tar.gz  -C $HOME
          echo "$HOME/tinygo/bin" >> $GITHUB_PATH
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Cache TinyGo build
        uses: actions/cache@v3
        with:
          path: |
            ~/.cache/tinygo
          key: ${{ runner.os }}-tinygo-${{ hashFiles('**/go.sum') }}
          restore-keys: |
            ${{ runner.os }}-tinygo-

      - name: Run code checks
        run: go run mage.go lint

      - name: Build WASM filter
        run: go run mage.go build

      - name: Run unit tests
        run: go run mage.go coverage

      - name: Check Envoy example is spinning up
        run: |
          ENVOY_CONTAINER_NAME="envoy-envoy-1"
          go run mage.go runEnvoyExample &
          TIMEOUT=5
          while [ $TIMEOUT -gt 0 ]; do
            exit_code=$(docker inspect -f '{{.State.ExitCode}}' $ENVOY_CONTAINER_NAME)
            if [ $exit_code -ne 0 ]; then
              echo "Envoy example failed to start"
              exit 1
            fi
            sleep 1  # Wait for 1 second before checking again for up to TIMEOUT times
            ((TIMEOUT--))
          done

      - name: Run e2e tests
        shell: bash
        run: >
          for image in $ENVOY_IMAGES; do
              echo "Running e2e with Envoy image $image"
              ENVOY_IMAGE=$image go run mage.go e2e
          done

      - name: Run regression tests (ftw)
        run: go run mage.go ftw

      - uses: actions/upload-artifact@v3
        if: success() || failure()
        with:
          name: ftw-envoy-logs
          path: build/ftw-envoy.log

      - name: Set up Docker Buildx
        if: ${{ matrix.multiphase_eval=='true' }}
        uses: docker/setup-buildx-action@v2

      - name: Docker meta
        if: ${{ matrix.multiphase_eval=='true' }}
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            ghcr.io/${{ github.repository }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}

      - name: Docker meta busybox
        if: ${{ matrix.multiphase_eval=='true' }}
        id: meta-busybox
        uses: docker/metadata-action@v4
        with:
          images: |
            ghcr.io/${{ github.repository }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}
          flavor: |
            suffix=-busybox

      - name: Login to GHCR
        if: ${{ matrix.multiphase_eval=='true' }}
        uses: docker/login-action@v2
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push busybox based image
        if: ${{ matrix.multiphase_eval=='true' }}
        uses: docker/build-push-action@v3
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta-busybox.outputs.tags }}
          labels: ${{ steps.meta-busybox.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            BASE_IMAGE=busybox:1.36-uclibc

      - name: Build and push
        if: ${{ matrix.multiphase_eval=='true' }}
        uses: docker/build-push-action@v3
        with:
          context: .
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Create draft release
        # Triggered only on tag creation
        if: matrix.multiphase_eval=='true' && github.event_name == 'push' && contains(github.ref, 'refs/tags/')
        run: |
          ls build
          mv build/main.wasm build/coraza-proxy-wasm.wasm
          tag="${GITHUB_REF#refs/tags/}"
          zip -j build/coraza-proxy-wasm-${tag}.zip build/coraza-proxy-wasm.wasm
          ./.github/workflows/release_notes.sh ${tag} > release-notes.txt
          gh release create ${tag} --draft --notes-file release-notes.txt --title ${GITHUB_REF#refs/tags/} ./build/coraza-proxy-wasm-${tag}.zip
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}