name: CI - Rust

permissions:
  contents: read

on:
  push:
    paths:
      # NOTE: GitHub Actions do not allow using YAML references, the same path
      # list is used below for the pull request event. Keep both lists in sync!!

      # this file as well
      - .github/workflows/ci-rust.yml
      # any change in the rust subfolder
      - rust/**
      # except Markdown documentation
      - "!rust/**.md"
      # except the packaging
      - "!rust/package/**"
      # except the DBus configuration
      - "!rust/share/**"

  pull_request:
    paths:
      # NOTE: GitHub Actions do not allow using YAML references, the same path
      # list is used above for the push event. Keep both lists in sync!!

      # this file as well
      - .github/workflows/ci-rust.yml
      # any change in the rust subfolder
      - rust/**
      # except Markdown documentation
      - "!rust/**.md"
      # except the packaging
      - "!rust/package/**"
      # except the DBus configuration
      - "!rust/share/**"

  # allow running manually
  workflow_dispatch:

env:
  CARGO_TERM_COLOR: always
  # this makes the build slightly faster and the saved cache smaller
  CARGO_INCREMENTAL: 0

jobs:
  fmt:
    # the default timeout is 6 hours, that's too much if the job gets stuck
    timeout-minutes: 10
    runs-on: ubuntu-latest

    defaults:
      run:
        working-directory: ./rust

    steps:

    - name: Git Checkout
      uses: actions/checkout@v4

    - name: Rust toolchain
      run: |
        rustup show
        cargo --version

    - name: Run rustfmt
      run: cargo fmt --all -- --check

  clippy:
    # the default timeout is 6 hours, that's too much if the job gets stuck
    timeout-minutes: 20
    runs-on: ubuntu-latest

    container:
      image: registry.opensuse.org/opensuse/tumbleweed:latest
      options: --security-opt seccomp=unconfined

    steps:

    - name: Configure and refresh repositories
      # disable unused repositories to have faster refresh
      run: zypper modifyrepo -d repo-non-oss repo-openh264 repo-update && ( zypper ref || zypper ref || zypper ref )

    - name: Install required packages
      run: zypper --non-interactive install --allow-downgrade
        clang-devel
        findutils
        gcc-c++
        git
        libopenssl-3-devel
        libsuseconnect
        libzypp-devel
        make
        openssl-3
        pam-devel
        rustup

    - name: Configure git
      run:  git config --global --add safe.directory "$GITHUB_WORKSPACE"

    - name: Git Checkout
      uses: actions/checkout@v4

    - name: Install Rust toolchains
      run: rustup toolchain install stable

    - name: Rust toolchain
      run: |
        rustup show
        cargo --version

    - name: Rust cache
      uses: actions/cache@v4
      with:
        path: |
          ~/.cargo
          rust/target
        key: ${{ runner.os }}-cargo-clippy-${{ hashFiles('**/Cargo.lock') }}

    - name: Run Clang Format check for the C/C++ zypp bindings
      run: make check
      working-directory: ./rust/zypp-agama/zypp-agama-sys/c-layer

    - name: Run clippy linter
      # deny warnings: clippy or rustc warnings will fail the build
      run: cargo clippy -- -D warnings
      working-directory: ./rust

  tests:
    # the default timeout is 6 hours, that's too much if the job gets stuck
    timeout-minutes: 30
    runs-on: ubuntu-latest

    container:
      image: registry.opensuse.org/opensuse/tumbleweed:latest
      options: --security-opt seccomp=unconfined

    env:
      COVERAGE: 1

    steps:

    - name: Configure and refresh repositories
      # disable unused repositories to have faster refresh
      run: zypper modifyrepo -d repo-non-oss repo-openh264 repo-update && ( zypper ref || zypper ref || zypper ref )

    - name: Install required packages
      run: zypper --non-interactive install --allow-downgrade
        clang-devel
        dbus-1-daemon
        gcc-c++
        git
        glibc-locale
        golang-github-google-jsonnet
        jq
        libopenssl-3-devel
        libsuseconnect
        libzypp-devel
        make
        openssl-3
        pam-devel
        python-langtable-data
        python3-openapi_spec_validator
        rustup
        timezone
        util-linux-systemd
        xkeyboard-config

    - name: Configure git
      run:  git config --global --add safe.directory "$GITHUB_WORKSPACE"

    - name: Git Checkout
      uses: actions/checkout@v4

    - name: Install Rust toolchains
      run: rustup toolchain install stable

    - name: Rust toolchain
      run: |
        rustup show
        cargo --version

    - name: Prepare for tests
      run: |
        # create the /etc/agama.d/locales file with list of locales
        mkdir -p /etc/agama.d
        ls -1 -d /usr/lib/locale/*.utf8 | sed -e "s#/usr/lib/locale/##" -e "s#utf8#UTF-8#" >/etc/agama.d/locales

    - name: Installed packages
      run: rpm -qa

    - name: Rust cache
      id: cache-tests
      uses: actions/cache@v4
      with:
        path: |
          ~/.cargo
          rust/target-coverage
        key: ${{ runner.os }}-cargo-tests-${{ hashFiles('**/Cargo.lock') }}

    - name: Install Tarpaulin (for code coverage)
      # skip the step completely if the cache has been restored
      # this avoids refreshing the crates index and saves few seconds
      if: steps.cache-tests.outputs.cache-hit != 'true'
      run: cargo install cargo-tarpaulin
      working-directory: ./rust

    - name: Run the tests
      # Compile into the ./target-coverage directory because tarpaulin uses special compilation
      # flags, to avoid reusing the previous builds it always starts from scratch.
      # The --skip-clean skips the cleanup and allows using the cached results.
      # See https://github.com/xd009642/tarpaulin/discussions/772
      run: cargo tarpaulin --workspace --all-targets --doc --engine llvm --out xml --target-dir target-coverage --skip-clean -- --nocapture
      working-directory: ./rust
      env:
        # use the "stable" tool chain (installed by default) instead of the "nightly" default in tarpaulin
        RUSTC_BOOTSTRAP: 1
        RUSTUP_TOOLCHAIN: stable
        RUST_BACKTRACE: full
        RUSTFLAGS: --cfg ci

    # send the code coverage for the Rust part to the coveralls.io
    - name: Send coverage data to Coveralls
      timeout-minutes: 10
      # ignore errors in this step
      continue-on-error: true
      uses: coverallsapp/github-action@v2
      with:
        flag-name: rust
        base-path: ./rust
        format: cobertura

    # Close the parallel build and inherit the Web parts (it needs a separate step, the "carryforward" flag can be used
    # only with the "parallel-finished: true" option)
    - name: Close the Coveralls build
      timeout-minutes: 10
      # ignore errors in this step
      continue-on-error: true
      uses: coverallsapp/github-action@v2
      with:
        parallel-finished: true
        carryforward: "rust,service,web"

  openapi:
    # the default timeout is 6 hours, that's too much if the job gets stuck
    timeout-minutes: 30
    runs-on: ubuntu-latest

    container:
      image: registry.opensuse.org/opensuse/tumbleweed:latest

    steps:

    - name: Configure and refresh repositories
      # disable unused repositories to have faster refresh
      run: zypper modifyrepo -d repo-non-oss repo-openh264 repo-update && ( zypper ref || zypper ref || zypper ref )

    - name: Install required packages
      run: zypper --non-interactive install --allow-downgrade
        clang-devel
        gcc-c++
        git
        libopenssl-3-devel
        libsuseconnect
        libzypp-devel
        make
        openssl-3
        pam-devel
        python3-openapi_spec_validator
        rustup

    - name: Git Checkout
      uses: actions/checkout@v4

    - name: Install Rust toolchains
      run: rustup toolchain install stable

    - name: Rust toolchain
      run: |
        rustup show
        cargo --version

    - name: Installed packages
      run: rpm -qa

    - name: Rust cache
      uses: actions/cache@v4
      with:
        path: |
          ~/.cargo
          rust/target
        key: ${{ runner.os }}-cargo-openapi-${{ hashFiles('**/Cargo.lock') }}

    - name: Generate the OpenAPI specification
      run: cargo xtask openapi
      working-directory: ./rust

    - name: Validate the OpenAPI specification
      run: openapi-spec-validator out/openapi/*
      working-directory: ./rust