name: concrete-compiler test linux-gpu

on:
  workflow_dispatch:
  pull_request:
    paths:
      - .github/workflows/concrete_compiler_test_gpu.yml
      - compilers/**
      - backends/concrete-cuda/**
      - tools/**
  push:
    branches:
      - 'main'
      - 'release/*'

env:
  DOCKER_IMAGE_TEST: ghcr.io/zama-ai/concrete-compiler
  ACTION_RUN_URL: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}
  SLACK_CHANNEL: ${{ secrets.SLACK_CHANNEL }}
  SLACK_USERNAME: ${{ secrets.BOT_USERNAME }}
  SLACK_WEBHOOK: ${{ secrets.SLACK_WEBHOOK }}
  CUDA_PATH: /usr/local/cuda-11.8

concurrency:
  group: concrete_compiler_test_gpu_${{ github.ref }}
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

jobs:
  setup-instance:
    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@f26b8d611b2e695158fb0a6980834f0612f65ef8 # v1.4.0
        with:
          mode: start
          github-token: ${{ secrets.SLAB_ACTION_TOKEN }}
          slab-url: ${{ secrets.SLAB_BASE_URL }}
          job-secret: ${{ secrets.JOB_SECRET }}
          backend: aws
          profile: gpu-test

  build-and-test:
    needs: [ setup-instance ]
    runs-on: ${{ needs.setup-instance.outputs.runner-name }}
    if: ${{ !cancelled() }}
    steps:
      - name: Fetch repository
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
          submodules: recursive
      - name: Create build dir
        run: mkdir build
      - name: Build and test compiler
        uses: addnab/docker-run-action@4f65fabd2431ebc8d299f8e5a018d79a769ae185 # v3
        id: build-compiler
        with:
          registry: ghcr.io
          image: ${{ env.DOCKER_IMAGE_TEST }}
          username: ${{ secrets.GHCR_LOGIN }}
          password: ${{ secrets.GHCR_PASSWORD }}
          options: >-
            -e CCACHE_SLOPPINESS="include_file_ctime,include_file_mtime,time_macros"
            -v ${{ github.workspace }}:/concrete
            -v ${{ github.workspace }}/build:/build
            --gpus all
          shell: bash
          run: |
            set -e
            cd /concrete/compilers/concrete-compiler/compiler
            rm -rf /build/*
            ccache -z
            ccache -p
            cargo install cxxbridge-cmd
            mkdir -p /tmp/concrete_compiler/gpu_tests/
            make BINDINGS_PYTHON_ENABLED=OFF Python3_EXECUTABLE=$PYTHON_EXEC CUDA_SUPPORT=ON CUDA_PATH=${{ env.CUDA_PATH }} run-end-to-end-tests-gpu
      - name: Ccache stats
        if: always()
        uses: addnab/docker-run-action@4f65fabd2431ebc8d299f8e5a018d79a769ae185 # v3
        id: ccache-report
        with:
          registry: ghcr.io
          image: ${{ env.DOCKER_IMAGE_TEST }}
          username: ${{ secrets.GHCR_LOGIN }}
          password: ${{ secrets.GHCR_PASSWORD }}
          shell: bash
          run: |
            echo "Debug: ccache statistics (after the build):"
            ccache -s
      - name: Slack Notification
        if: ${{ failure() && github.ref == 'refs/heads/main' }}
        continue-on-error: true
        uses: rtCamp/action-slack-notify@c33737706dea87cd7784c687dadc9adf1be59990
        env:
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "build-and-run-test finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"

  teardown-instance:
    needs: [ setup-instance, build-and-test ]
    if: ${{ always() && needs.setup-instance.result != 'skipped' }}
    runs-on: ubuntu-latest
    steps:
      - name: Stop instance
        id: stop-instance
        uses: zama-ai/slab-github-runner@f26b8d611b2e695158fb0a6980834f0612f65ef8 # v1.4.0
        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@c33737706dea87cd7784c687dadc9adf1be59990
        env:
          SLACK_COLOR: ${{ job.status }}
          SLACK_MESSAGE: "Instance teardown finished with status: ${{ job.status }}. (${{ env.ACTION_RUN_URL }})"
