ci.yml

name: ci

on:
  pull_request:
  push:
    branches:
      - main

env:
  IMAGE: clux/controller

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Prepare image tags
        id: prep
        run: |
          TAG=$(grep -E "^version" Cargo.toml | awk -F"\"" '{print $2}' | head -n 1)
          IMAGE="${{ env.IMAGE }}"
          if curl -sSL https://registry.hub.docker.com/v1/repositories/${IMAGE}/tags | jq -r ".[].name" | grep -q ${TAG}; then
            echo "Semver tag ${TAG} already exists - not publishing"
            echo ::set-output name=tagsbase::${IMAGE}:latest
            echo ::set-output name=tagsotel::${IMAGE}:otel
          else
            echo "Semver tag ${TAG} not found - publishing"
            echo ::set-output name=tagsbase::${IMAGE}:latest,${IMAGE}:${TAG}
            echo ::set-output name=tagsotel::${IMAGE}:otel,${IMAGE}:otel-${TAG}
          fi
          echo ::set-output name=semver::${TAG}

      - uses: docker/setup-buildx-action@v1
        id: buildx

      - name: Inspect builder
        run: |
          echo "Name:      ${{ steps.buildx.outputs.name }}"
          echo "Endpoint:  ${{ steps.buildx.outputs.endpoint }}"
          echo "Status:    ${{ steps.buildx.outputs.status }}"
          echo "Flags:     ${{ steps.buildx.outputs.flags }}"
          echo "Platforms: ${{ steps.buildx.outputs.platforms }}"

      - uses: docker/metadata-action@v3
        id: docker_meta
        with:
          images: ${{ env.IMAGE }}
          labels: |
            org.opencontainers.image.version=${{ steps.prep.outputs.semver }}
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.title=${{ env.IMAGE }}

      - uses: docker/login-action@v1
        if: github.event_name != 'pull_request'
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Cache Docker layers
        uses: actions/cache@v2
        with:
          path: /tmp/.buildx-cache
          key: ${{ runner.os }}-dockerx6-${{ steps.prep.outputs.semver }}
          restore-keys: |
            ${{ runner.os }}-dockerx6-

      - uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry/index
            ~/.cargo/registry/cache
            ~/.cargo/git
            target
          key: musl-cargo-${{ hashFiles('**/Cargo.toml') }}

      - name: Compile base features
        run: |
          mkdir -p ~/.cargo/{git,registry}
          docker run --rm -t \
              --mount type=bind,source=${{ github.workspace }},target=/volume \
              --mount type=bind,source=$HOME/.cargo/registry,target=/root/.cargo/registry \
              --mount type=bind,source=$HOME/.cargo/git,target=/root/.cargo/git \
              clux/muslrust:stable \
              cargo build --release
          cp target/x86_64-unknown-linux-musl/release/controller .

      - name: Build and push controller image with base features
        uses: docker/build-push-action@v2
        with:
          builder: ${{ steps.buildx.outputs.name }}
          context: .
          platforms: linux/amd64
          push: ${{ github.ref == 'refs/heads/main' }}
          tags: ${{ steps.prep.outputs.tagsbase }}
          labels: ${{ steps.docker_meta.outputs.labels }}
          cache-from: type=gha,scope=version5
          cache-to: type=gha,scope=version5,mode=max

      - name: Compile with telemetry
        run: |
          mkdir -p ~/.cargo/{git,registry}
          docker run --rm -t \
              --mount type=bind,source=${{ github.workspace }},target=/volume \
              --mount type=bind,source=$HOME/.cargo/registry,target=/root/.cargo/registry \
              --mount type=bind,source=$HOME/.cargo/git,target=/root/.cargo/git \
              clux/muslrust:stable \
              cargo build --features=telemetry --release
          cp target/x86_64-unknown-linux-musl/release/controller .

      - name: Build and push controller image with telemetry
        uses: docker/build-push-action@v2
        with:
          builder: ${{ steps.buildx.outputs.name }}
          context: .
          platforms: linux/amd64
          push: ${{ github.ref == 'refs/heads/main' }}
          tags: ${{ steps.prep.outputs.tagsotel }}
          labels: ${{ steps.docker_meta.outputs.labels }}
          cache-from: type=gha,scope=version5
          cache-to: type=gha,scope=version5,mode=max


  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: nightly
          components: rustfmt,clippy
          override: true
      - name: Run rustfmt
        run: cargo +nightly fmt -- --check
      - uses: actions-rs/clippy-check@v1
        with:
          args: --all-features
          token: ${{ secrets.GITHUB_TOKEN }}