release.yml

on:
  schedule:
    - cron: '0 3 * * *' # Nightly, run at 03:00 UTC
  push:
    tags:
      - 'v[0-9]+.*' # Release tags matching v*, i.e. v1.0, v20.15.10
    branches:
      - 'ci/test/nightly' # For testing nightly build workflow

name: Release

jobs:
  create_release:
    name: Create release
    if: >
      github.repository_owner == 'input-output-hk'
      || startsWith(github.ref, 'refs/heads/ci/test/')
      || startsWith(github.ref, 'refs/tags/') && contains(github.ref, '-ci-test.')
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.release_info.outputs.version }}
      tag: ${{ steps.release_info.outputs.tag }}
      date: ${{ steps.release_info.outputs.date }}
      upload_url: ${{ steps.create_release.outputs.upload_url }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
        with:
          submodules: 'true'

      - id: release_info
        name: Get release information
        run: python3 ./ci/release-info.py "$GITHUB_EVENT_NAME"

      - if: ${{ steps.release_info.outputs.release_type == 'nightly' }}
        name: Delete existing nightly releases
        continue-on-error: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set +e
          git ls-remote --tags --refs origin 'refs/tags/nightly*' |
          cut -f 2 |
          while read ref; do
            hub release delete ${ref#refs/tags/}
            git push --delete origin $ref
          done

      - id: create_release
        name: Create a draft release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          release_tag='${{ steps.release_info.outputs.tag }}'
          hub release create ${{ steps.release_info.outputs.release_flags }} --draft \
            -m "Release ${{ steps.release_info.outputs.version }} (in progress)" \
            -t $GITHUB_SHA $release_tag
          upload_url=$(hub release show -f '%uA' $release_tag)
          echo "::set-output name=upload_url::$upload_url"

  cache_info:
    name: Bootstrap cache
    if: >
      github.repository_owner == 'input-output-hk'
      || startsWith(github.ref, 'refs/heads/ci/test/')
      || startsWith(github.ref, 'refs/tags/') && contains(github.ref, '-ci-test.')
    runs-on: ubuntu-latest
    outputs:
      crates-io-index-head: ${{ steps.ls-crates-io-index.outputs.head }}
      cargo-lock-hash: ${{ steps.hash-cargo-lock.outputs.hash }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v2

      - id: ls-crates-io-index
        name: Get head commit hash of crates.io registry index
        run: |
          commit=$(
            git ls-remote --heads https://github.com/rust-lang/crates.io-index.git master |
            cut -f 1
          )
          echo "$commit"
          echo "::set-output name=head::$commit"

      - id: hash-cargo-lock
        name: Calculate dependency cache key
        run: |
          hash=$(
            ci/strip-own-version-from-cargo-lock.pl Cargo.lock |
            sha1sum | cut -d ' ' -f 1
          )
          echo "$hash"
          echo "::set-output name=hash::$hash"

  update_deps:
    name: Update dependencies
    needs: cache_info
    # Caches on Windows and Unix do not interop:
    # https://github.com/actions/cache/issues/330#issuecomment-637701649
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - name: Cache cargo registry index
        uses: actions/cache@v2
        with:
          path: ~/.cargo/registry/index
          key: cargo-index-${{ needs.cache_info.outputs.crates-io-index-head }}
          restore-keys: cargo-index-

      - id: cargo-deps
        name: Cache cargo dependencies
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry/cache
            ~/.cargo/git/db
          key: cargo-deps-v1-${{ needs.cache_info.outputs.cargo-lock-hash }}

      - name: Check out the repository
        uses: actions/checkout@v2
        with:
          submodules: true

      - name: Fetch dependencies and update cargo registry
        run: cargo fetch --locked

  build_assets:
    name: Build assets
    needs: [create_release, cache_info, update_deps]
    runs-on: ${{ matrix.config.os }}
    strategy:
      fail-fast: false
      matrix:
        config:
          # Linux
          - { os: ubuntu-latest, target: x86_64-unknown-linux-gnu }
          # Macos
          - { os: macos-latest, target: x86_64-apple-darwin }
        target_cpu: [generic, broadwell]
        toolchain: [stable]
        cross: [false]
        include:
          # Windows
          - config: { os: windows-latest, target: x86_64-pc-windows-msvc }
            target_cpu: generic
            toolchain: stable-x86_64-pc-windows-msvc
            cross: false
          - config: { os: windows-latest, target: x86_64-pc-windows-msvc }
            target_cpu: broadwell
            toolchain: stable-x86_64-pc-windows-msvc
            cross: false
          # Cross targets
          - config: { os: ubuntu-latest, target: aarch64-unknown-linux-gnu }
            target_cpu: generic
            toolchain: stable
            cross: true
          - config: { os: ubuntu-latest, target: arm-unknown-linux-gnueabi }
            target_cpu: generic
            toolchain: stable
            cross: true
          - config: { os: ubuntu-latest, target: armv7-unknown-linux-gnueabihf }
            target_cpu: generic
            toolchain: stable
            cross: true
          - config: { os: ubuntu-latest, target: x86_64-unknown-linux-musl }
            target_cpu: generic
            toolchain: stable
            cross: true
          - config: { os: ubuntu-latest, target: x86_64-unknown-linux-musl }
            target_cpu: broadwell
            toolchain: stable
            cross: true
          - config: { os: ubuntu-latest, target: aarch64-linux-android }
            target_cpu: generic
            toolchain: stable
            cross: true
          # - config: {os: ubuntu-latest, target: mips64el-unknown-linux-gnuabi64}
          #   target_cpu: generic
          #   toolchain: stable
          #   cross: true
          # - config: {os: ubuntu-latest, target: powerpc64le-unknown-linux-gnu}
          #   target_cpu: generic
          #   toolchain: stable
          #   cross: true
    steps:
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: ${{ matrix.toolchain }}
          target: ${{ matrix.config.target }}
          override: true
          default: true

      - name: Checkout code
        uses: actions/checkout@v2
        with:
          submodules: true

      - name: Restore cargo registry index
        uses: actions/cache@v2
        with:
          path: ~/.cargo/registry/index
          key: cargo-index-${{ needs.cache_info.outputs.crates-io-index-head }}

      - name: Restore cargo dependencies
        uses: actions/cache@v2
        with:
          path: |
            ~/.cargo/registry/cache
            ~/.cargo/git/db
          key: cargo-deps-v1-${{ needs.cache_info.outputs.cargo-lock-hash }}

      - name: Set up features and cargo config
        shell: bash
        run: |
          case '${{ matrix.config.os }}' in
            ubuntu-latest)  features=systemd,gelf ;;
            *)              features=gelf ;;
          esac
          echo "JORMUNGANDR_FEATURES=$features" >> $GITHUB_ENV

          mkdir .cargo
          cat > .cargo/config.toml <<EOF
          [target.${{ matrix.config.target }}]
          rustflags = ["-C", "target-cpu=${{ matrix.target_cpu }}"]
          [profile.release]
          lto = "thin"
          EOF

      - if: ${{ matrix.cross }}
        name: Create Cross.toml
        shell: bash
        run: |
          cat > Cross.toml <<EOF
          [build.env]
          passthrough = ["DATE"]
          EOF

      - name: Build jormungandr
        uses: actions-rs/cargo@v1
        env:
          DATE: ${{ needs.create_release.outputs.date }}
        with:
          use-cross: ${{ matrix.cross }}
          command: build
          args: >
            --manifest-path jormungandr/Cargo.toml
            --bin jormungandr
            --no-default-features
            --features ${{ env.JORMUNGANDR_FEATURES }}
            --verbose
            --locked
            --release
            --target ${{ matrix.config.target }}

      - name: Build jcli
        uses: actions-rs/cargo@v1
        env:
          DATE: ${{ needs.create_release.outputs.date }}
        with:
          use-cross: ${{ matrix.cross }}
          command: build
          args: >
            --manifest-path jcli/Cargo.toml
            --bin jcli
            --verbose
            --locked
            --release
            --target ${{ matrix.config.target }}

      - id: pack-assets
        name: Pack binaries
        shell: bash
        run: python3 ./ci/pack-assets.py ${{ needs.create_release.outputs.version }} ${{ matrix.config.target }} ${{ matrix.target_cpu }}

      - name: Upload binaries to the release
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ needs.create_release.outputs.upload_url }}
          asset_path: ./${{ steps.pack-assets.outputs.release-archive }}
          asset_name: ${{ steps.pack-assets.outputs.release-archive }}
          asset_content_type: ${{ steps.pack-assets.outputs.release-content-type }}

      - name: Upload checksum to the release
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ needs.create_release.outputs.upload_url }}
          asset_path: ./${{ steps.pack-assets.outputs.release-archive }}.sha256
          asset_name: ${{ steps.pack-assets.outputs.release-archive }}.sha256
          asset_content_type: text/plain

  publish_release:
    name: Publish release
    needs: [create_release, build_assets]
    runs-on: ubuntu-latest
    outputs:
      status: ${{ job.status }}
    steps:
      - name: Check out the repository
        uses: actions/checkout@v2

      - name: Publish release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          hub release edit --draft=false \
            -m 'Release ${{ needs.create_release.outputs.version }}' \
            ${{ needs.create_release.outputs.tag }}

  remove_failed_release:
    name: Remove the release upon a build failure
    needs: [create_release, publish_release]
    runs-on: ubuntu-latest
    # we need always() to force the check to run even if one of the needed jobs fails
    if: ${{ always() && needs.publish_release.outputs.status != 'success' }}
    steps:
      - name: Check out the repository
        uses: actions/checkout@v2

      - name: Remove release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: hub release delete ${{ needs.create_release.outputs.tag }}

  send_slack_notification:
    name: Notify the team Slack channel about this release
    needs: [create_release, publish_release]
    runs-on: ubuntu-latest
    if: ${{ always() }}
    steps:
      - name: Produce action-slack-notify variables
        run: |
          status="${{ needs.publish_release.outputs.status }}"
          release="${{ needs.create_release.outputs.tag }}"
          if [ "$status" == "success" ]; then
            SLACK_STATUS="success"
            SLACK_MESSAGE=":rocket: Published release $release."
          else
            SLACK_STATUS="failure"
            SLACK_MESSAGE=":x: Release $release *FAILED*."
          fi
          cat <<EOF >> $GITHUB_ENV
          SLACK_STATUS=$SLACK_STATUS
          SLACK_MESSAGE=$SLACK_MESSAGE
          EOF

      - name: Send notification
        uses: eugene-babichenko/slack-notifier@v1
        with:
          webhook: ${{ secrets.SLACK_WEBHOOK }}
          status: ${{ env.SLACK_STATUS  }}
          text: ${{ env.SLACK_MESSAGE  }}