systemg 0.33.0

A simple process manager.
Documentation
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name: CI

on:
  push:
    branches:
      - main
      - develop
  pull_request:
    branches:
      - main
      - develop
  release:
    types:
      - published
  workflow_dispatch:
    inputs:
      test-release:
        description: "Simulate a release"
        required: false
        default: "true"

# Cancel in-progress workflows when a new commit is pushed to the same branch
concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

env:
  RUSTC_VERSION: 1.90.0

jobs:
  cancel-previous:
    name: Cancel Previous Runs
    runs-on: ubuntu-latest
    steps:
      - name: Cancel Previous Runs
        uses: styfle/cancel-workflow-action@0.12.1
        with:
          access_token: ${{ github.token }}

  changes:
    name: Detect Changes
    runs-on: ubuntu-latest
    needs: cancel-previous
    outputs:
      docs: ${{ steps.filter.outputs.docs }}
      rust: ${{ steps.filter.outputs.rust }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          submodules: recursive

      - name: Detect changed projects
        id: filter
        uses: dorny/paths-filter@v3
        with:
          filters: |
            docs:
              - 'docs/**'
              - '.github/workflows/ci.yaml'
            rust:
              - 'Cargo.toml'
              - 'Cargo.lock'
              - 'src/**'
              - 'tests/**'
              - 'examples/**'
              - 'ci/**'
              - 'clippy.toml'
              - 'rustfmt.toml'
              - 'rust-toolchain.toml'
              - 'Dockerfile.builder'
              - 'config.yaml'
              - '.github/workflows/ci.yaml'

  extract-version:
    name: Extract Version
    runs-on: ubuntu-latest
    needs: cancel-previous
    outputs:
      current_version: ${{ steps.extract.outputs.current_version }}
      tag: ${{ steps.extract.outputs.tag }}
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Set Up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.13"

      - name: Extract current version
        id: extract
        shell: bash
        run: |
          set -euo pipefail
          current_version=$(python ci/extract_version.py)
          echo "current_version=$current_version" >> "$GITHUB_OUTPUT"
          echo "tag=v$current_version" >> "$GITHUB_OUTPUT"

  detect-version-bump:
    name: Detect Version Bump
    runs-on: ubuntu-latest
    needs: extract-version
    outputs:
      bumped: ${{ steps.detect.outputs.bumped }}
      current_version: ${{ steps.detect.outputs.current_version }}
      previous_version: ${{ steps.detect.outputs.previous_version }}
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set Up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.13"

      - name: Detect version change on main push
        id: detect
        shell: bash
        run: |
          set -euo pipefail

          current_version="${{ needs.extract-version.outputs.current_version }}"

          previous_version=""
          bumped="false"

          if [[ "${{ github.event_name }}" == "push" && "${{ github.ref }}" == "refs/heads/main" ]]; then
            before_sha="${{ github.event.before }}"
            if [[ -n "$before_sha" && "$before_sha" != "0000000000000000000000000000000000000000" ]]; then
              if git cat-file -e "$before_sha:Cargo.toml" 2>/dev/null; then
                previous_version=$(git show "$before_sha:Cargo.toml" | python ci/extract_version.py --stdin)
              else
                echo "Previous commit does not contain Cargo.toml; treating as no bump."
              fi

              if [[ -z "$previous_version" ]]; then
                echo "Could not parse previous Cargo.toml version; treating as no bump."
              elif [[ "$current_version" != "$previous_version" ]]; then
                bumped="true"
              fi
            else
              echo "No valid before SHA available; treating as no bump."
            fi
          fi

          echo "current_version=$current_version" >> "$GITHUB_OUTPUT"
          echo "previous_version=$previous_version" >> "$GITHUB_OUTPUT"
          echo "bumped=$bumped" >> "$GITHUB_OUTPUT"

          echo "Current version: $current_version"
          echo "Previous version: ${previous_version:-<none>}"
          echo "Version bumped: $bumped"

  docs:
    name: Mintlify Docs
    runs-on: ubuntu-latest
    needs: [cancel-previous, changes]
    if: ${{ needs.changes.outputs.docs == 'true' }}

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Set Up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20.17.0"

      - name: Install Mintlify CLI
        # Pin Mintlify to keep docs validation reproducible across CI runs.
        run: npm install --global mintlify@4.0.373

      - name: Validate Docs
        working-directory: docs
        run: mintlify broken-links

  rustdoc:
    name: Rust Doc
    runs-on: ubuntu-latest
    needs: [cancel-previous, changes]
    if: ${{ needs.changes.outputs.rust == 'true' }}
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Cache Cargo Dependencies
        uses: Swatinem/rust-cache@v2

      - name: Check Documentation
        run: cargo rustdoc --lib -- -D missing_docs

  cargo-sort:
    name: Cargo Sort
    runs-on: ubuntu-latest
    needs: [changes, rustdoc]
    if: ${{ needs.changes.outputs.rust == 'true' }}
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Cache Cargo Dependencies
        uses: Swatinem/rust-cache@v2

      - name: Install cargo-sort
        run: cargo install cargo-sort

      - name: Check Cargo.toml Formatting
        run: cargo sort --check --workspace

  rustfmt:
    name: Rustfmt
    runs-on: ubuntu-latest
    needs: [changes, rustdoc]
    if: ${{ needs.changes.outputs.rust == 'true' }}
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Install Rust Nightly
        uses: dtolnay/rust-toolchain@nightly
        with:
          components: rustfmt

      - name: Cache Cargo Dependencies
        uses: Swatinem/rust-cache@v2

      - name: Run Rustfmt
        run: cargo +nightly fmt -- --check

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    needs: [changes, cargo-sort, rustfmt]
    if: ${{ needs.changes.outputs.rust == 'true' }}
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Cache Cargo Dependencies
        uses: Swatinem/rust-cache@v2

      - name: Install clippy
        run: rustup component add clippy

      - name: Run Clippy
        run: cargo clippy --all-targets --all-features -- -D warnings

  cargo-build:
    name: Cargo Build
    runs-on: ubuntu-latest
    needs: [changes, clippy]
    if: ${{ needs.changes.outputs.rust == 'true' }}
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Cache Cargo Dependencies
        uses: Swatinem/rust-cache@v2

      - name: Cargo build
        run: cargo build --locked

  # These tests run in parallel after clippy passes
  cargo-test:
    name: Cargo Test
    runs-on: ubuntu-latest
    needs: [changes, clippy]
    if: ${{ needs.changes.outputs.rust == 'true' }}
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Cache Cargo Dependencies
        uses: Swatinem/rust-cache@v2

      - name: Run Tests
        run: cargo test --verbose

  # Docker UAT tests run in parallel with cargo-test
  # Tests both user mode and kernel mode scenarios
  docker-uat-tests:
    name: Docker UAT Tests
    runs-on: ubuntu-latest
    needs: [changes, clippy]
    if: false  # TEMPORARILY DISABLED - Docker UAT tests are skipped for now
    strategy:
      matrix:
        test-mode: [user, kernel]
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Cache Cargo Dependencies
        uses: Swatinem/rust-cache@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Build Docker image (${{ matrix.test-mode }})
        run: |
          # Build the Docker image using CI-specific Dockerfile
          docker build -f tests/Dockerfile.${{ matrix.test-mode }}.ci -t systemg-${{ matrix.test-mode }}:ci .

      - name: Run Docker UAT tests (${{ matrix.test-mode }})
        id: run-tests
        run: |
          set -e

          # Create a directory for test output
          mkdir -p test-output

          # Run the Docker container with appropriate settings
          if [ "${{ matrix.test-mode }}" = "kernel" ]; then
            # Kernel mode needs privileged access
            docker run \
              --rm \
              --privileged \
              --cap-add SYS_ADMIN \
              --cap-add NET_ADMIN \
              --security-opt apparmor:unconfined \
              -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
              -v $(pwd)/test-output:/test-output \
              systemg-${{ matrix.test-mode }}:ci | tee test-output/${{ matrix.test-mode }}.log
          else
            # User mode can run without special privileges
            docker run \
              --rm \
              -v $(pwd)/test-output:/test-output \
              systemg-${{ matrix.test-mode }}:ci | tee test-output/${{ matrix.test-mode }}.log
          fi

          # Extract test results for job summary
          if grep -q "All.*tests passed successfully" test-output/${{ matrix.test-mode }}.log; then
            echo "✅ ${{ matrix.test-mode }} mode: All tests passed" >> $GITHUB_STEP_SUMMARY
          else
            echo "❌ ${{ matrix.test-mode }} mode: Some tests failed" >> $GITHUB_STEP_SUMMARY
            exit 1
          fi

      - name: Upload test logs
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: docker-${{ matrix.test-mode }}-logs
          path: test-output/${{ matrix.test-mode }}.log

  create-github-release:
    name: Create GitHub Release
    runs-on: ubuntu-latest
    needs:
      - cargo-test
      - extract-version
      - detect-version-bump
    permissions:
      contents: write
    if: >-
      github.event_name == 'push' && github.ref == 'refs/heads/main' && needs.detect-version-bump.outputs.bumped == 'true'
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Create or Update release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ needs.extract-version.outputs.tag }}
          name: ${{ needs.extract-version.outputs.tag }}
          target_commitish: ${{ github.sha }}
          generate_release_notes: true
          append_body: false
          make_latest: true
          fail_on_unmatched_files: false
        env:
          GITHUB_TOKEN: ${{ github.token }}

  upload-release-binaries:
    name: Upload Release Binaries
    runs-on: ${{ matrix.job.os }}
    permissions:
      contents: write
    needs:
      - cargo-test
      - detect-version-bump
      - create-github-release
      - extract-version
    if: |
      !cancelled() &&
      needs.cargo-test.result == 'success' &&
      (
        (needs.create-github-release.result == 'success') ||
        (needs.create-github-release.result == 'skipped' && github.event_name == 'release' && github.event.action == 'published') ||
        (github.event_name == 'workflow_dispatch')
      )
    strategy:
      matrix:
        job:
          - os: ubuntu-latest
            platform: linux
            target: x86_64-unknown-linux-gnu
            cross_image: x86_64-linux-gnu
            cross_dockerfile: ci/Dockerfile.x86_64-unknown-linux-gnu-clang
            features: linux
          - os: ubuntu-latest
            platform: linux-arm
            target: aarch64-unknown-linux-gnu
            cross_image: aarch64-linux-gnu
            cross_dockerfile: ci/Dockerfile.aarch64-unknown-linux-gnu-clang
            features: linux
          - os: ubuntu-latest
            platform: debian
            target: x86_64-unknown-linux-gnu
            cross_image: debian-x86_64-linux-gnu
            cross_dockerfile: ci/Dockerfile.debian-x86_64-unknown-linux-gnu-clang
            features: linux
            artifact_suffix: -debian
#          - os: ubuntu-latest
#            platform: alpine
#            target: x86_64-unknown-linux-musl
#            cross_image: x86_64-linux-musl
#            cross_dockerfile: ci/Dockerfile.x86_64-unknown-linux-musl-clang
#            features: linux
#            artifact_suffix: -alpine
#          - os: ubuntu-latest
#            platform: alpine-arm
#            target: aarch64-unknown-linux-musl
#            cross_image: aarch64-linux-musl
#            cross_dockerfile: ci/Dockerfile.aarch64-unknown-linux-musl-clang
#            features: linux
#            artifact_suffix: -alpine
          - os: macos-latest
            platform: darwin
            target: x86_64-apple-darwin
          - os: macos-latest
            platform: darwin-arm
            target: aarch64-apple-darwin

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        if: matrix.job.cross_image
        uses: docker/setup-buildx-action@v3

      - name: Setup custom cross env ${{ matrix.job.cross_image }}
        if: matrix.job.cross_image
        uses: docker/build-push-action@v5
        with:
          context: ci
          file: ${{ matrix.job.cross_dockerfile }}
          tags: ${{ matrix.job.cross_image }}:latest
          load: true
          cache-from: type=gha
          cache-to: type=gha,mode=max

      - name: Install packages (macOS)
        if: matrix.job.os == 'macos-latest'
        run: |
          ci/macos-install-packages.sh

      - name: Install toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.RUSTC_VERSION }}
          targets: ${{ matrix.job.target }}

      - name: Install cross
        uses: baptiste0928/cargo-install@v3
        with:
          crate: cross
          cache-key: ${{ matrix.job.target }}
          version: "0.2.5"

      - name: Build sysg
        run: |
          cross \
            build \
            --profile=release \
            --target ${{ matrix.job.target }}

      - name: Strip release binary linux x86_64
        if: matrix.job.target == 'x86_64-unknown-linux-gnu'
        run: >
          strip "target/${{ matrix.job.target }}/release/sysg"

      - name: Strip release binary aarch64-linux-gnu
        if: matrix.job.target == 'aarch64-unknown-linux-gnu'
        run: |
          docker run --rm -v \
          "$PWD/target:/target:Z" \
          aarch64-linux-gnu:latest \
          aarch64-linux-gnu-strip \
          /target/aarch64-unknown-linux-gnu/release/sysg

      - name: Strip release binary mac
        if: matrix.job.os == 'macos-latest'
        run: |
          strip -x "target/${{ matrix.job.target }}/release/sysg"

      - name: Prepare Binary Artifact
        env:
          PLATFORM_NAME: ${{ matrix.job.platform }}
          TARGET: ${{ matrix.job.target }}
          ARTIFACT_SUFFIX: ${{ matrix.job.artifact_suffix || '' }}
        run: >
          # Get version from either the tag (for auto-release) or GITHUB_REF (for manual releases)

          if [ "${{ needs.extract-version.outputs.tag }}" != "" ]; then
            SYSG_VERSION="${{ needs.extract-version.outputs.tag }}"
          else
            SYSG_VERSION="${GITHUB_REF#refs/tags/}"
          fi

          # optionally trim v from tag prefix

          SYSG_VERSION="${SYSG_VERSION#v}"

          echo "version is: $SYSG_VERSION"

          # setup artifact filename

          SYSG_ARTIFACT="sysg-$SYSG_VERSION-$TARGET$ARTIFACT_SUFFIX"

          SYSG_ZIP_FILE_NAME="$SYSG_ARTIFACT.tar.gz"

          echo "SYSG_ZIP_FILE_NAME=$SYSG_ZIP_FILE_NAME" >> $GITHUB_ENV

          # create zip file

          mkdir -pv "$SYSG_ARTIFACT"

          cp "target/${{ matrix.job.target }}/release/sysg" "$SYSG_ARTIFACT"

          tar -czvf "$SYSG_ZIP_FILE_NAME" "$SYSG_ARTIFACT"

      - name: Upload Sysg Artifact
        uses: softprops/action-gh-release@v1
        if: github.event_name == 'release' || needs.create-github-release.result == 'success'
        env:
          GITHUB_TOKEN: ${{ github.token }}
        with:
          tag_name: ${{ needs.extract-version.outputs.tag }}
          files: ./${{ env.SYSG_ZIP_FILE_NAME }}

#      - name: Notify if Job Fails
#        uses: ravsamhq/notify-slack-action@v2
#        if: always() && (github.ref == 'refs/heads/master' || github.ref_type == 'tag')
#          && matrix.job.os != 'macos-latest'
#        with:
#          status: ${{ job.status }}
#          token: ${{ secrets.GITHUB_TOKEN }}
#          notification_title: "{workflow} has {status_message}"
#          message_format: "{emoji} *{workflow}* {status_message} in <{repo_url}|{repo}> :
#            <{run_url}|View Run Results>"
#          footer: ""
#          notify_when: failure
#        env:
#          SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_NOTIFY_BUILD }}

  upload-s3:
    name: Upload Binaries to S3
    needs:
      - upload-release-binaries
      - extract-version
    if: |
      !cancelled() &&
      needs.upload-release-binaries.result == 'success'
    environment: ci
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Download and upload release assets to AWS S3
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          RELEASE_TAG: ${{ needs.extract-version.outputs.tag }}
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
          AWS_DEFAULT_REGION: us-east-2   # change if needed
          S3_BUCKET: sh.sysg.dev
        run: |
          set -euo pipefail

          # Get release ID from tag (works for both auto-release and manual releases)
          if [ -n "${{ github.event.release.id }}" ]; then
            RELEASE_ID="${{ github.event.release.id }}"
          else
            # Fetch release ID by tag for auto-releases
            RELEASE_ID=$(curl -s -H "Authorization: token $GITHUB_TOKEN" \
              -H "Accept: application/vnd.github.v3+json" \
              "https://api.github.com/repos/${{ github.repository }}/releases/tags/$RELEASE_TAG" \
              | jq -r '.id')
          fi

          echo "Fetching .tar.gz assets for release ID $RELEASE_ID ..."

          while read -r url name; do
            echo "Downloading $name from $url ..."
            curl -sSL -H "Authorization: token $GITHUB_TOKEN" -o "$name" "$url"

            echo "Uploading $name to s3://${S3_BUCKET}/${name} ..."
            aws s3 cp "$name" "s3://${S3_BUCKET}/${name}" --content-type "application/gzip"

            echo "Uploaded $name successfully"
          done < <(
            curl -s -H "Authorization: token $GITHUB_TOKEN" \
                -H "Accept: application/vnd.github.v3+json" \
                "https://api.github.com/repos/${{ github.repository }}/releases/$RELEASE_ID/assets" \
            | jq -r '.[] | select(.name | endswith(".tar.gz")) | "\(.browser_download_url) \(.name)"'
          )

  cargo-publish:
    name: Publish to crates.io
    runs-on: ubuntu-latest
    needs:
      - cargo-test
      - detect-version-bump
      - create-github-release
      - upload-s3
    if: |
      !cancelled() &&
      needs.cargo-test.result == 'success' &&
      needs.upload-s3.result == 'success' &&
      (
        (
          github.event_name == 'push' &&
          github.ref == 'refs/heads/main' &&
          needs.create-github-release.result == 'success'
        ) ||
        (github.event_name == 'workflow_dispatch')
      )
    environment: ci
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable

      - name: Publish Crate
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CRATESIO_TOKEN }}
        run: |
          if [ "${{ github.event_name }}" == "workflow_dispatch" ] && [ "${{ github.event.inputs.test-release }}" == "true" ]; then
            cargo publish --dry-run --locked --no-verify
          else
            cargo publish --locked --no-verify
          fi