tfhe-rs/.github/workflows/aws_tfhe_signed_integer_tests.yml

name: aws_tfhe_signed_integer_tests

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 }}
  SLACKIFY_MARKDOWN: true
  PULL_REQUEST_MD_LINK: ""
  # We clear the cache to reduce memory pressure because of the numerous processes of cargo
  # nextest
  TFHE_RS_CLEAR_IN_MEMORY_KEY_CACHE: "1"
  NO_BIG_PARAMS: FALSE
  CHECKOUT_TOKEN: ${{ secrets.REPO_CHECKOUT_TOKEN || secrets.GITHUB_TOKEN }}
  # Secrets will be available only to zama-ai organization members
  SECRETS_AVAILABLE: ${{ secrets.JOB_SECRET != '' }}
  EXTERNAL_CONTRIBUTION_RUNNER: "large_ubuntu_64-22.04"

on:
  # Allows you to run this workflow manually from the Actions tab as an alternative.
  workflow_dispatch:
  pull_request:
    types: [ labeled ]
  push:
    branches:
      - main

permissions:
  contents: read

# zizmor: ignore[concurrency-limits] concurrency is managed after instance setup to ensure safe provisioning

jobs:
  should-run:
    name: aws_tfhe_signed_integer_tests/should-run
    if:
      (github.event_name == 'push' && github.repository == 'zama-ai/tfhe-rs') ||
      (github.event_name == 'schedule' && github.repository == 'zama-ai/tfhe-rs') ||
      (github.event_name == 'pull_request' && contains(github.event.label.name, 'approved')) ||
      github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-latest
    permissions:
      pull-requests: read  # Needed to check for file change
    outputs:
      integer_test: ${{ github.event_name == 'workflow_dispatch' ||
        steps.changed-files.outputs.integer_any_changed }}
    steps:
      - name: Checkout tfhe-rs
        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
        with:
          fetch-depth: 0
          persist-credentials: 'false'
          token: ${{ env.CHECKOUT_TOKEN }}

      - name: Check for file changes
        id: changed-files
        uses: tj-actions/changed-files@24d32ffd492484c1d75e0c0b894501ddb9d30d62 # v47.0.0
        with:
          files_yaml: |
            integer:
              - tfhe/Cargo.toml
              - tfhe-csprng/**
              - tfhe-fft/**
              - tfhe-zk-pok/**
              - tfhe/src/core_crypto/**
              - tfhe/src/shortint/**
              - tfhe/src/integer/**
              - .github/workflows/aws_tfhe_signed_integer_tests.yml

  setup-instance:
    name: aws_tfhe_signed_integer_tests/setup-instance
    needs: should-run
    if:
      (github.event_name == 'push' && github.repository == 'zama-ai/tfhe-rs' && needs.should-run.outputs.integer_test == 'true') ||
      (github.event_name == 'schedule' && github.repository == 'zama-ai/tfhe-rs') ||
      (github.event.action == 'labeled' && github.event.label.name == 'approved' && needs.should-run.outputs.integer_test == 'true') ||
      github.event_name == 'workflow_dispatch'
    runs-on: ubuntu-latest
    outputs:
      runner-name: ${{ steps.start-remote-instance.outputs.label || steps.start-github-instance.outputs.runner_group }}
    steps:
      - name: Start remote instance
        id: start-remote-instance
        if: env.SECRETS_AVAILABLE == 'true'
        uses: zama-ai/slab-github-runner@973c1d22702de8d0acd2b34e83404c96ed92c264 # v1.4.2
        with:
          mode: start
          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
          slab-url: ${{ secrets.SLAB_BASE_URL }}
          job-secret: ${{ secrets.JOB_SECRET }}
          backend: aws
          profile: cpu-big

      # This instance will be spawned especially for pull-request from forked repository
      - name: Start GitHub instance
        id: start-github-instance
        if: env.SECRETS_AVAILABLE == 'false'
        run: |
          echo "runner_group=${EXTERNAL_CONTRIBUTION_RUNNER}" >> "$GITHUB_OUTPUT"

  signed-integer-tests:
    name: aws_tfhe_signed_integer_tests/signed-integer-tests
    needs: setup-instance
    concurrency:
      group: ${{ github.workflow_ref }}${{ github.ref == 'refs/heads/main' && github.sha || '' }}
      cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
    runs-on: ${{ needs.setup-instance.outputs.runner-name }}
    steps:
      - name: Checkout tfhe-rs
        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
        with:
          persist-credentials: "false"
          token: ${{ env.CHECKOUT_TOKEN }}

      - name: Install latest stable
        uses: dtolnay/rust-toolchain@e97e2d8cc328f1b50210efc529dca0028893a2d9 # zizmor: ignore[stale-action-refs] this action doesn't create releases
        with:
          toolchain: stable

      - name: Should skip big parameters set
        if: github.event_name == 'pull_request'
        run: |
          echo "NO_BIG_PARAMS=TRUE" >> "${GITHUB_ENV}"

      - name: Gen Keys if required
        run: |
          make GEN_KEY_CACHE_MULTI_BIT_ONLY=TRUE gen_key_cache

      - name: Run shortint multi-bit tests
        run: |
          make test_shortint_multi_bit_ci

      - name: Run signed integer multi-bit tests
        run: |
          AVX512_SUPPORT=ON make test_signed_integer_multi_bit_ci

      - name: Gen Keys if required
        run: |
          make gen_key_cache

      - name: Run signed integer tests
        run: |
          AVX512_SUPPORT=ON NO_BIG_PARAMS="${NO_BIG_PARAMS}" BIG_TESTS_INSTANCE=TRUE make test_signed_integer_ci

      - name: Set pull-request URL
        if: ${{ failure() && github.event_name == 'pull_request' }}
        run: |
          echo "PULL_REQUEST_MD_LINK=[pull-request](${PR_BASE_URL}${PR_NUMBER}), "  >> "${GITHUB_ENV}"
        env:
          PR_BASE_URL: ${{ vars.PR_BASE_URL }}
          PR_NUMBER: ${{ github.event.pull_request.number }}

      - name: Slack Notification
        if: ${{ failure() || (cancelled() && github.event_name != 'pull_request') }}
        continue-on-error: true
        uses: rtCamp/action-slack-notify@e31e87e03dd19038e411e38ae27cbad084a90661
        env:
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "Signed Integer tests finished with status: ${{ job.status }}. (${{ env.PULL_REQUEST_MD_LINK }}[action run](${{ env.ACTION_RUN_URL }}))"

  teardown-instance:
    name: aws_tfhe_signed_integer_tests/teardown-instance
    if: ${{ always() && needs.setup-instance.result == 'success' }}
    needs: [setup-instance, signed-integer-tests]
    runs-on: ubuntu-latest
    steps:
      - name: Stop remote instance
        id: stop-instance
        if: env.SECRETS_AVAILABLE == 'true'
        uses: zama-ai/slab-github-runner@973c1d22702de8d0acd2b34e83404c96ed92c264 # v1.4.2
        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() }}
        uses: rtCamp/action-slack-notify@e31e87e03dd19038e411e38ae27cbad084a90661
        env:
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "Instance teardown (signed-integer-tests) finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"