ci.yml

name: CI

on:
  push:
    branches:
      - main
  pull_request:
  merge_group:

env:
  RUSTFLAGS: -Dwarnings
  RUSTDOCFLAGS: -Dwarnings

defaults:
  run:
    shell: bash

jobs:
  check:
    name: Check
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: taiki-e/install-action@cargo-hack
      - name: Install NASM
        run: |
          sudo apt-get update
          sudo apt-get install nasm
      - uses: mkroening/rust-toolchain-toml@main
      - uses: Swatinem/rust-cache@v2
      - name: Check each feature
        run: cargo hack check --package hermit-kernel --each-feature --no-dev-deps --target x86_64-unknown-none
        env:
          RUSTFLAGS:

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install NASM
        run: |
          sudo apt-get update
          sudo apt-get install nasm
      - uses: mkroening/rust-toolchain-toml@main
      - run: rustup component add clippy
      - uses: Swatinem/rust-cache@v2
      - run: cargo xtask clippy

  format:
    name: Format
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: mkroening/rust-toolchain-toml@main
      - run: rustup component add rustfmt
      - run: cargo fmt -- --check

  check-docs:
    name: Check docs
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install NASM
        run: |
          sudo apt-get update
          sudo apt-get install nasm
      - uses: mkroening/rust-toolchain-toml@main
      - run: rustup target add aarch64-unknown-none-softfloat
      - uses: Swatinem/rust-cache@v2
      - name: Check docs
        run: |
          cargo doc --package hermit-kernel --no-deps --document-private-items --target x86_64-unknown-none
          cargo doc --package hermit-kernel --no-deps --document-private-items --target aarch64-unknown-none-softfloat --no-default-features

  build:
    name: Build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install NASM
        run: |
          sudo apt-get update
          sudo apt-get install nasm
      - uses: mkroening/rust-toolchain-toml@main
      - uses: Swatinem/rust-cache@v2
      - name: Build minimal kernel
        run: |
          cargo xtask build --arch x86_64 --no-default-features
          cargo xtask build --arch aarch64 --no-default-features

  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install QEMU, NASM
        run: |
          sudo apt-get update
          sudo apt-get install qemu-system-x86 nasm
      - uses: mkroening/rust-toolchain-toml@main
      - uses: Swatinem/rust-cache@v2
      - name: Unit tests
        run: cargo test --lib
        env:
          RUSTFLAGS: -Awarnings
      - name: Download loader
        uses: dsaltares/fetch-gh-release-asset@master
        with:
          repo: hermitcore/rusty-loader
          file: rusty-loader-x86_64
      - name: Integration tests
        run: cargo test --tests --no-fail-fast --target x86_64-unknown-none -- --bootloader_path=rusty-loader-x86_64
        env:
          RUSTFLAGS:

  run-x86_64:
    name: Run Hermit for Rust (x86_64)
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: kernel
    steps:
      - name: Checkout hermit-rs
        uses: actions/checkout@v4
        with:
          repository: hermitcore/hermit-rs
          submodules: true
      - name: Remove hermit-kernel submodule
        run: git rm -r kernel
        working-directory: .
      - name: Checkout hermit-kernel
        uses: actions/checkout@v4
        with:
          path: kernel
      - name: Install QEMU, NASM
        run: |
          sudo apt-get update
          sudo apt-get install qemu-system-x86 nasm libcap-ng-dev libseccomp-dev socat
      - uses: mkroening/rust-toolchain-toml@main
      - uses: mkroening/rust-toolchain-toml@main
        with:
          toolchain-file: 'kernel/rust-toolchain.toml'
      - uses: Swatinem/rust-cache@v2
        with:
          workspaces: |
            .
            kernel
      - name: Download loader
        uses: dsaltares/fetch-gh-release-asset@master
        with:
          repo: hermitcore/rusty-loader
          file: rusty-loader-x86_64
      - name: Install virtiofsd
        run: cargo install virtiofsd
      - name: rusty_demo with pci-ids and virtiofsd
        run: cargo xtask ci qemu --arch x86_64 --package rusty_demo --features pci-ids --virtiofsd
      - name: rusty_demo with pci-ids and virtiofsd (release)
        run: cargo xtask ci qemu --arch x86_64 --package rusty_demo --features pci-ids --virtiofsd --release
      - name: httpd with virtio-net-pci and dhcpv4
        run: cargo xtask ci qemu --arch x86_64 --package httpd --features ci,dhcpv4 --netdev virtio-net-pci
      - name: httpd with virtio-net-pci and dhcpv4 (release)
        run: cargo xtask ci qemu --arch x86_64 --package httpd --features ci,dhcpv4 --netdev virtio-net-pci --release
      - name: httpd with rtl8139 and dhcpv4
        run: cargo xtask ci qemu --arch x86_64 --package httpd --features ci,dhcpv4,rtl8139 --netdev rtl8139
      - name: httpd with rtl8139 and dhcpv4 (release)
        run: cargo xtask ci qemu --arch x86_64 --package httpd --features ci,dhcpv4,rtl8139 --netdev rtl8139 --release
      - name: hello_world on microVM (release)
        run: cargo xtask ci qemu --arch x86_64 --package hello_world --no-default-features --microvm --release
      - name: testudp with virtio-net-pci and dhcpv4
        run: cargo xtask ci qemu --arch x86_64 --package testudp --features udp,dhcpv4 --netdev virtio-net-pci
      - name: testudp with virtio-net-pci and dhcpv4 (release)
        run: cargo xtask ci qemu --arch x86_64 --package testudp --features udp,dhcpv4 --netdev virtio-net-pci --release
  
  run-aarch64:
    name: Run Hermit for Rust (aarch64)
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: kernel
    steps:
      - name: Checkout hermit-rs
        uses: actions/checkout@v4
        with:
          repository: hermitcore/hermit-rs
          submodules: true
      - name: Remove hermit-kernel submodule
        run: git rm -r kernel
        working-directory: .
      - name: Checkout hermit-kernel
        uses: actions/checkout@v4
        with:
          path: kernel
      - name: Download loader
        uses: dsaltares/fetch-gh-release-asset@master
        with:
          repo: hermitcore/rusty-loader
          file: rusty-loader-aarch64
      - uses: mkroening/rust-toolchain-toml@main
      - uses: mkroening/rust-toolchain-toml@main
        with:
          toolchain-file: 'kernel/rust-toolchain.toml'
      - name: Install QEMU
        run: |
          sudo apt-get update
          sudo apt-get install qemu-system-aarch64
      - uses: Swatinem/rust-cache@v2
        with:
          workspaces: |
            .
            kernel
            kernel/hermit-builtins
      - name: rusty_demo with pci-ids
        run: cargo xtask ci qemu --arch aarch64 --package rusty_demo --features pci-ids
      - name: rusty_demo with pci-ids (release)
        run: cargo xtask ci qemu --arch aarch64 --package rusty_demo --features pci-ids --release
      - name: httpd with dhcpv4
        run: cargo xtask ci qemu --arch aarch64 --package httpd --features ci,dhcpv4 --netdev virtio-net-pci
      - name: httpd with dhcpv4 (release)
        run: cargo xtask ci qemu --arch aarch64 --package httpd --features ci,dhcpv4 --netdev virtio-net-pci --release

  run-x86_64-kvm:
    name: Run Hermit for Rust (x86_64 + kvm)
    runs-on: [self-hosted]
    defaults:
      run:
        working-directory: kernel
    steps:
    - name: Checkout hermit-rs
      uses: actions/checkout@v4
      with:
        repository: hermitcore/hermit-rs
        submodules: true
    - name: Remove hermit-kernel submodule
      run: git rm -r kernel
      working-directory: .
    - name: Checkout hermit-kernel
      uses: actions/checkout@v4
      with:
        path: kernel
    - name: Install QEMU, NASM
      run: |
        sudo apt-get update
        sudo apt-get install -y --no-install-recommends qemu-system-x86 nasm
    - name: Check KVM availability
      shell: bash
      run: |
          lscpu
          kvm-ok
    - name: Download loader (x86_64)
      uses: dsaltares/fetch-gh-release-asset@master
      with:
        file: rusty-loader-x86_64
        repo: hermitcore/rusty-loader
    - name: Download loader (x86_64-fc)
      uses: dsaltares/fetch-gh-release-asset@master
      with:
        file: rusty-loader-x86_64-fc
        repo: hermitcore/rusty-loader
    - name: Install firecracker
      run: |
        # https://github.com/firecracker-microvm/firecracker/blob/7c5fc8707f26c4244d48a747631ab0fb31fc4c39/docs/getting-started.md#getting-a-firecracker-binary
        ARCH="$(uname -m)"
        release_url="https://github.com/firecracker-microvm/firecracker/releases"
        latest=$(basename $(curl -fsSLI -o /dev/null -w  %{url_effective} ${release_url}/latest))
        curl -L ${release_url}/download/${latest}/firecracker-${latest}-${ARCH}.tgz \
        | tar -xz
        
        # Rename the binary to "firecracker"
        mv release-${latest}-$(uname -m)/firecracker-${latest}-${ARCH} firecracker
        echo "$PWD" >> $GITHUB_PATH
    - uses: dtolnay/rust-toolchain@stable
    - run: cargo install uhyve
    - uses: mkroening/rust-toolchain-toml@main
    - uses: mkroening/rust-toolchain-toml@main
      with:
        toolchain-file: 'kernel/rust-toolchain.toml'
    - uses: Swatinem/rust-cache@v2
    - name: rusty_demo on Uhyve
      run: cargo xtask ci uhyve --arch x86_64 --package rusty_demo
    - name: rusty_demo on Uhyve (release)
      run: cargo xtask ci uhyve --arch x86_64 --package rusty_demo --release
    - name: rusty_demo on QEMU (with KVM)
      run: cargo xtask ci qemu --arch x86_64 --package rusty_demo --accel
    - name: rusty_demo on QEMU (with KVM, release)
      run: cargo xtask ci qemu --arch x86_64 --package rusty_demo --accel --release
    - name: hello_world on Firecracker
      run: cargo xtask ci firecracker --arch x86_64 --package hello_world --no-default-features