aws_tfhe_backward_compat_tests.yml

# Run backward compatibility tests
name: Backward compatibility Tests on CPU

env:
  CARGO_TERM_COLOR: always
  ACTION_RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
  RUSTFLAGS: "-C target-cpu=native"
  RUST_BACKTRACE: "full"
  RUST_MIN_STACK: "8388608"
  SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
  SLACK_ICON: https://pbs.twimg.com/profile_images/1274014582265298945/OjBKP9kn_400x400.png
  SLACK_USERNAME: ${{ secrets.BOT_USERNAME }}
  SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}

on:
  # Allows you to run this workflow manually from the Actions tab as an alternative.
  workflow_dispatch:
  pull_request:

jobs:
  setup-instance:
    name: Setup instance (backward-compat-tests)
    runs-on: ubuntu-latest
    outputs:
      runner-name: ${{ steps.start-instance.outputs.label }}
    steps:
      - name: Start instance
        id: start-instance
        uses: zama-ai/slab-github-runner@c0e7168795bd78f61f61146951ed9d0c73c9b701
        with:
          mode: start
          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
          slab-url: ${{ secrets.SLAB_BASE_URL }}
          job-secret: ${{ secrets.JOB_SECRET }}
          backend: aws
          profile: cpu-small

  backward-compat-tests:
    name: Backward compatibility tests
    needs: [ setup-instance ]
    concurrency:
      group: ${{ github.workflow }}_${{ github.ref }}
      cancel-in-progress: true
    runs-on: ${{ needs.setup-instance.outputs.runner-name }}
    steps:
      - name: Checkout tfhe-rs
        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
        with:
          persist-credentials: 'false'
          token: ${{ secrets.FHE_ACTIONS_TOKEN }}

      - name: Set up home
        run: |
          echo "HOME=/home/ubuntu" >> "${GITHUB_ENV}"

      - name: Install latest stable
        uses: dtolnay/rust-toolchain@7b1c307e0dcbda6122208f10795a713336a9b35a
        with:
          toolchain: stable

      - name: Install git-lfs
        run: |
          sudo apt update && sudo apt -y install git-lfs

      - name: Use specific data branch
        if: ${{ contains(github.event.pull_request.labels.*.name, 'data_PR') }}
        env:
          PR_BRANCH: ${{ github.head_ref || github.ref_name }}
        run: |
          echo "BACKWARD_COMPAT_DATA_BRANCH=${PR_BRANCH}" >> "${GITHUB_ENV}"

      - name: Get backward compat branch
        id: backward_compat_branch
        run: |
          BRANCH="$(make backward_compat_branch)"
          echo "branch=${BRANCH}" >> "${GITHUB_OUTPUT}"

      - name: Clone test data
        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938
        with:
          persist-credentials: 'false'
          repository: zama-ai/tfhe-backward-compat-data
          path: tfhe/tfhe-backward-compat-data
          lfs: 'true'
          ref: ${{ steps.backward_compat_branch.outputs.branch }}

      - name: Run backward compatibility tests
        run: |
          make test_backward_compatibility_ci

      - name: Slack Notification
        if: ${{ failure() }}
        continue-on-error: true
        uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907
        env:
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "Backward compatibility tests finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"

  teardown-instance:
    name: Teardown instance (backward-compat-tests)
    if: ${{ always() && needs.setup-instance.result != 'skipped' }}
    needs: [ setup-instance, backward-compat-tests ]
    runs-on: ubuntu-latest
    steps:
      - name: Stop instance
        id: stop-instance
        uses: zama-ai/slab-github-runner@c0e7168795bd78f61f61146951ed9d0c73c9b701
        with:
          mode: stop
          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
          slab-url: ${{ secrets.SLAB_BASE_URL }}
          job-secret: ${{ secrets.JOB_SECRET }}
          label: ${{ needs.setup-instance.outputs.runner-name }}

      - name: Slack Notification
        if: ${{ failure() }}
        continue-on-error: true
        uses: rtCamp/action-slack-notify@4e5fb42d249be6a45a298f3c9543b111b02f7907
        env:
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "Instance teardown (backward-compat-tests) finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"