diff-policy.yml

name: Diff policy

on:
  workflow_call:
    inputs:
      left:
        description: "The left policy for the diff"
        required: true
        type: string
      right:
        description: "The right policy for the diff"
        required: true
        type: string
      python-version:
        description: "Python version to use"
        required: true
        type: string

jobs:
  sediff:
    runs-on: ubuntu-22.04

    strategy:
      matrix:
        distro: ["redhat", "debian", "gentoo"]
        type: ["standard", "mcs", "mls"]
        monolithic: ["y", "n"]
        systemd: ["y", "n"]
        direct_initrc: ["y", "n"]
        apps-off: ["unconfined", ""]
        exclude:
          - { distro: "redhat", systemd: "n" }
          - { distro: "redhat", direct_initrc: "y" }
          - { distro: "debian", systemd: "n" }
          - { distro: "debian", direct_initrc: "y" }
          - { type: "mls", apps-off: "" }
          - { systemd: "y", direct_initrc: "y" }
          # above here, the matrix must be the same as in build-policy.yml.
          # below here, remove duplicate analyses
          - { monolithic: "n" }
          - { type: "standard" }
          - { apps-off: "" }
          - { systemd: "n" }

    steps:
      - name: Checkout testing dir of repo
        uses: actions/checkout@v4
        with:
          sparse-checkout: testing

      - name: Install dependencies
        shell: bash
        run: |
          sudo apt-get update -q

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "${{ inputs.python-version }}"

      - name: Download userspace artifact
        uses: actions/download-artifact@v4
        id: dl-userspace
        with:
          name: selinux

      - name: Download left policy artifact
        uses: actions/download-artifact@v4
        id: dl-left
        with:
          name: ${{ inputs.left }}-${{ matrix.distro }}-${{ matrix.type }}-${{ matrix.monolithic }}-${{ matrix.systemd }}-${{ matrix.direct_initrc }}-${{ matrix.apps-off }}
          path: left

      - name: Download right policy artifact
        uses: actions/download-artifact@v4
        id: dl-right
        with:
          name: ${{ inputs.right }}-${{ matrix.distro }}-${{ matrix.type }}-${{ matrix.monolithic }}-${{ matrix.systemd }}-${{ matrix.direct_initrc }}-${{ matrix.apps-off }}
          path: right

      - name: Download setools artifact
        uses: actions/download-artifact@v4
        id: dl-setools
        with:
          name: setools

      - name: Install dependencies
        shell: bash
        run: |
          tar -C "${{ steps.dl-setools.outputs.download-path }}" -zxvf selinux.tar.gz
          sudo python -m pip install setools*.whl networkx

      - name: Diff policies
        shell: bash
        id: sediff
        run: sediff left/sepolicy right/sepolicy &> diff-${{ inputs.left }}-${{ inputs.right }}.log

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        if: ${{ always() }}
        with:
          name: diff-${{ matrix.distro }}-${{ matrix.type }}-${{ matrix.monolithic }}-${{ matrix.systemd }}-${{ matrix.direct_initrc }}-${{ matrix.apps-off }}
          path: |
            diff-${{ inputs.left }}-${{ inputs.right }}.log