e2e.yml

name: E2E

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

concurrency:
  group: ${{ github.workflow }}-${{ github.ref == 'refs/heads/main' && github.run_id || github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

env:
  FLWR_TELEMETRY_ENABLED: 0
  ARTIFACT_BUCKET: artifact.flower.ai

jobs:
  wheel:
    runs-on: ubuntu-22.04
    name: Build, test and upload wheel
    steps:
      - uses: actions/checkout@v4
      - name: Bootstrap
        uses: ./.github/actions/bootstrap
      - name: Install dependencies (mandatory only)
        run: python -m poetry install
      - name: Build wheel
        run: ./dev/build.sh
      - name: Test wheel
        run: ./dev/test-wheel.sh
      - name: Upload wheel
        if: ${{ github.repository == 'adap/flower' && !github.event.pull_request.head.repo.fork && github.actor != 'dependabot[bot]' }}
        id: upload
        env:
          AWS_DEFAULT_REGION: ${{ secrets.AWS_DEFAULT_REGION }}
          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
        run: |
          cd ./dist
          echo "WHL_PATH=$(ls *.whl)" >> "$GITHUB_OUTPUT"
          sha_short=$(git rev-parse --short HEAD)
          echo "SHORT_SHA=$sha_short" >> "$GITHUB_OUTPUT"
          [ -z "${{ github.head_ref }}" ] && dir="${{ github.ref_name }}" || dir="pr/${{ github.head_ref }}"
          echo "DIR=$dir" >> "$GITHUB_OUTPUT"
          aws s3 cp --content-disposition "attachment" --cache-control "no-cache" ./ s3://${{ env.ARTIFACT_BUCKET }}/py/$dir/$sha_short --recursive
          aws s3 cp --content-disposition "attachment" --cache-control "no-cache" ./ s3://${{ env.ARTIFACT_BUCKET }}/py/$dir/latest --recursive
    outputs:
      whl_path: ${{ steps.upload.outputs.WHL_PATH }}
      short_sha: ${{ steps.upload.outputs.SHORT_SHA }}
      dir: ${{ steps.upload.outputs.DIR }}

  superexec:
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    needs: wheel
    strategy:
      fail-fast: false
      matrix:
        python-version: ["3.9", "3.10", "3.11"]
        directory: [e2e-bare-auth]
        connection: [secure, insecure]
        engine: [deployment-engine, simulation-engine]
        authentication: [no-auth, client-auth]
        exclude:
          - connection: insecure
            authentication: client-auth
    name: |
      Exec API / 
      Python ${{ matrix.python-version }} /
      ${{ matrix.connection }} / 
      ${{ matrix.authentication }} / 
      ${{ matrix.engine }} 
    defaults:
      run:
        working-directory: e2e/${{ matrix.directory }}
    steps:
      - uses: actions/checkout@v4
      - name: Bootstrap
        uses: ./.github/actions/bootstrap
        with:
          python-version: ${{ matrix.python-version }}
          poetry-skip: 'true'
      - name: Install Flower from repo
        if: ${{ github.repository != 'adap/flower' || github.event.pull_request.head.repo.fork || github.actor == 'dependabot[bot]' }}
        working-directory: ./
        run: |
          if [[ "${{ matrix.engine }}" == "simulation-engine" ]]; then
            python -m pip install ".[simulation]"
          else
            python -m pip install .
          fi
      - name: Download and install Flower wheel from artifact store
        if: ${{ github.repository == 'adap/flower' && !github.event.pull_request.head.repo.fork && github.actor != 'dependabot[bot]' }}
        run: |
          # Define base URL for wheel file
          WHEEL_URL="https://${{ env.ARTIFACT_BUCKET }}/py/${{ needs.wheel.outputs.dir }}/${{ needs.wheel.outputs.short_sha }}/${{ needs.wheel.outputs.whl_path }}"
          if [[ "${{ matrix.engine }}" == "simulation-engine" ]]; then
            python -m pip install "flwr[simulation] @ ${WHEEL_URL}"
          else
            python -m pip install "${WHEEL_URL}"
          fi
      - name: >
          Run Exec API test / 
          ${{ matrix.connection }} / 
          ${{ matrix.authentication }} / 
          ${{ matrix.engine }} 
        working-directory: e2e/${{ matrix.directory }}
        run: ./../test_exec_api.sh "${{ matrix.connection }}" "${{ matrix.authentication}}" "${{ matrix.engine }}"

  frameworks:
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    needs: wheel
    # Using approach described here:
    # https://docs.github.com/en/actions/using-jobs/using-a-matrix-for-your-jobs
    strategy:
      matrix:
        include:
          - directory: e2e-bare
            e2e: e2e_bare

          - directory: e2e-bare-https
            e2e: e2e_bare_https

          - directory: e2e-bare-auth
            e2e: e2e_bare_auth

          - directory: e2e-jax
            e2e: e2e_jax

          - directory: e2e-pytorch
            e2e: e2e_pytorch
            dataset: |
              from torchvision.datasets import CIFAR10
              CIFAR10('./data', download=True)

          - directory: e2e-tensorflow
            e2e: e2e_tensorflow
            dataset: |
              import tensorflow as tf
              tf.keras.datasets.cifar10.load_data()

          - directory: e2e-opacus
            e2e: e2e_opacus
            dataset: |
              from torchvision.datasets import CIFAR10
              CIFAR10('./data', download=True)

          - directory: e2e-pytorch-lightning
            e2e: e2e_pytorch_lightning

          - directory: e2e-scikit-learn
            e2e: e2e_scikit_learn

          - directory: e2e-fastai
            e2e: e2e_fastai
            dataset: |
              from fastai.vision.all import untar_data, URLs
              untar_data(URLs.MNIST)

          - directory: e2e-pandas
            e2e: e2e_pandas
            dataset: |
              from pathlib import Path
              from sklearn.datasets import load_iris
              Path('data').mkdir(exist_ok=True)
              load_iris(as_frame=True)['data'].to_csv('./data/client.csv')

    name: Framework / ${{ matrix.directory }}

    defaults:
      run:
        working-directory: e2e/${{ matrix.directory }}

    steps:
      - uses: actions/checkout@v4
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: 3.9
      - name: Install build tools
        run: |
            python -m pip install -U pip==23.3.1
        shell: bash
      # Using approach described here for Python location caching:
      # https://blog.allenai.org/python-caching-in-github-actions-e9452698e98d
      - name: Cache Python location
        id: cache-restore-python
        uses: actions/cache/restore@v4
        with:
          path: ${{ env.pythonLocation }}
          key: pythonloc-${{ runner.os }}-${{ matrix.directory }}-${{ env.pythonLocation }}-${{ hashFiles(format('./e2e/{0}/pyproject.toml', matrix.directory)) }}
      - name: Install dependencies
        run: python -m pip install --upgrade .
      - name: Install Flower wheel from artifact store
        if: ${{ github.repository == 'adap/flower' && !github.event.pull_request.head.repo.fork && github.actor != 'dependabot[bot]' }}
        run: |
          python -m pip install https://${{ env.ARTIFACT_BUCKET }}/py/${{ needs.wheel.outputs.dir }}/${{ needs.wheel.outputs.short_sha }}/${{ needs.wheel.outputs.whl_path }}
      - name: Download dataset
        if: ${{ matrix.dataset }}
        run: python -c "${{ matrix.dataset }}"
      - name: Run edge client test
        if: ${{ matrix.directory != 'e2e-bare-auth' }}
        working-directory: e2e/${{ matrix.directory }}/${{ matrix.e2e }}
        run: ./../../test_legacy.sh "${{ matrix.directory }}"
      - name: Run virtual client test
        if: ${{ matrix.directory != 'e2e-bare-auth' }}
        run: python simulation.py
      - name: Run simulation engine test
        if: ${{ matrix.directory == 'e2e-pytorch' || matrix.directory == 'e2e-tensorflow'}}
        run: python simulation_next.py
      - name: Run driver test
        if: ${{ matrix.directory != 'e2e-bare-auth' }}
        run: ./../test_superlink.sh "${{ matrix.directory }}"
      - name: Run driver test with REST
        if: ${{ matrix.directory == 'e2e-bare' }}
        run: ./../test_superlink.sh bare rest
      - name: Run driver test with SQLite database
        if: ${{ matrix.directory == 'e2e-bare' }}
        run: ./../test_superlink.sh bare sqlite
      - name: Run driver test with client authentication
        if: ${{ matrix.directory == 'e2e-bare-auth' }}
        run: ./../test_superlink.sh "${{ matrix.directory }}" client-auth
      - name: Run reconnection test with SQLite database
        if: ${{ matrix.directory == 'e2e-bare' }}
        run: ./../test_reconnection.sh sqlite
      - name: Cache save Python location
        id: cache-save-python
        uses: actions/cache/save@v4
        if: ${{ github.ref_name == 'main' &&  !steps.cache-restore-python.outputs.cache-hit }}
        with:
          path: ${{ env.pythonLocation }}
          key: pythonloc-${{ runner.os }}-${{ matrix.directory }}-${{ env.pythonLocation }}-${{ hashFiles(format('./e2e/{0}/pyproject.toml', matrix.directory)) }}

  strategies:
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    needs: wheel
    strategy:
      matrix:
        strat: ["FedMedian", "FedTrimmedAvg", "QFedAvg", "FaultTolerantFedAvg", "FedAvgM", "FedAdam", "FedAdagrad", "FedYogi"]

    name: Strategy / ${{ matrix.strat }}

    defaults:
      run:
        working-directory: e2e/strategies

    steps:
      - uses: actions/checkout@v4
      - name: Bootstrap
        uses: ./.github/actions/bootstrap
      - name: Install dependencies
        run: |
          python -m poetry install
      - name: Install Flower wheel from artifact store
        if: ${{ github.repository == 'adap/flower' && !github.event.pull_request.head.repo.fork && github.actor != 'dependabot[bot]' }}
        run: |
          python -m pip install https://${{ env.ARTIFACT_BUCKET }}/py/${{ needs.wheel.outputs.dir }}/${{ needs.wheel.outputs.short_sha }}/${{ needs.wheel.outputs.whl_path }}
      - name: Cache Datasets
        uses: actions/cache@v4
        with:
          path: "~/.keras"
          key: keras-datasets
      - name: Download Datasets
        run: |
          python -c "import tensorflow as tf; tf.keras.datasets.mnist.load_data()"
      - name: Test strategies
        run: |
          python test.py "${{ matrix.strat }}"

  templates:
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    needs: wheel
    strategy:
      matrix:
        framework: ["numpy", "pytorch", "tensorflow", "jax", "sklearn"]

    name: Template / ${{ matrix.framework }}

    steps:
      - uses: actions/checkout@v4
      - name: Bootstrap
        uses: ./.github/actions/bootstrap
      - name: Install Flower from repo
        if: ${{ github.repository != 'adap/flower' || github.event.pull_request.head.repo.fork || github.actor == 'dependabot[bot]' }}
        run: |
          python -m pip install .
      - name: Install Flower wheel from artifact store
        if: ${{ github.repository == 'adap/flower' && !github.event.pull_request.head.repo.fork && github.actor != 'dependabot[bot]' }}
        run: |
          python -m pip install https://${{ env.ARTIFACT_BUCKET }}/py/${{ needs.wheel.outputs.dir }}/${{ needs.wheel.outputs.short_sha }}/${{ needs.wheel.outputs.whl_path }}
      - name: Create project and install it
        run: |
          flwr new tmp-${{ matrix.framework }} --framework ${{ matrix.framework }} --username gh_ci
          cd tmp-${{ matrix.framework }}
          sed -i 's/"flwr\[[^]]*\][^"]*", *//g' pyproject.toml
          pip install flwr[simulation]
          pip install .
      - name: Run project
        run: |
          cd tmp-${{ matrix.framework }}
          flwr run --run-config num-server-rounds=1 2>&1 | tee flwr_output.log 
          if grep -q "ERROR" flwr_output.log; then
            exit 1
          fi

  build_and_install:
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    needs: wheel
    strategy:
      matrix:
        framework: ["numpy"]
        python-version: ["3.9", "3.10", "3.11"]

    name: |
      Build & Install /
      Python ${{ matrix.python-version }} /
      ${{ matrix.framework }}

    steps:
      - uses: actions/checkout@v4
      - name: Bootstrap
        uses: ./.github/actions/bootstrap
        with:
          python-version: ${{ matrix.python-version }}
          poetry-skip: 'true'
      - name: Install Flower from repo
        if: ${{ github.repository != 'adap/flower' || github.event.pull_request.head.repo.fork || github.actor == 'dependabot[bot]' }}
        run: |
          python -m pip install .
      - name: Install Flower wheel from artifact store
        if: ${{ github.repository == 'adap/flower' && !github.event.pull_request.head.repo.fork && github.actor != 'dependabot[bot]' }}
        run: |
          python -m pip install https://${{ env.ARTIFACT_BUCKET }}/py/${{ needs.wheel.outputs.dir }}/${{ needs.wheel.outputs.short_sha }}/${{ needs.wheel.outputs.whl_path }}
      - name: Create project, build, and install it
        run: |
          flwr new tmp-${{ matrix.framework }} --framework ${{ matrix.framework }} --username gh_ci
          cd tmp-${{ matrix.framework }}
          flwr build
          flwr install *.fab

  numpy:
    runs-on: ubuntu-22.04
    timeout-minutes: 10
    needs: wheel
    strategy:
      fail-fast: false
      matrix:
        numpy-version: ["1.26"]
        python-version: ["3.11"]
        directory: [e2e-bare-auth]
        connection: [insecure]
        engine: [deployment-engine, simulation-engine]
        authentication: [no-auth]
    name: |
      NumPy ${{ matrix.numpy-version }} / 
      Python ${{ matrix.python-version }} /
      ${{ matrix.connection }} / 
      ${{ matrix.authentication }} / 
      ${{ matrix.engine }} 
    defaults:
      run:
        working-directory: e2e/${{ matrix.directory }}
    steps:
      - uses: actions/checkout@v4
      - name: Bootstrap
        uses: ./.github/actions/bootstrap
        with:
          python-version: ${{ matrix.python-version }}
          poetry-skip: 'true'
      - name: Install Flower from repo
        if: ${{ github.repository != 'adap/flower' || github.event.pull_request.head.repo.fork || github.actor == 'dependabot[bot]' }}
        working-directory: ./
        run: |
          if [[ "${{ matrix.engine }}" == "simulation-engine" ]]; then
            python -m pip install ".[simulation]" "numpy>=${{ matrix.numpy-version }},<2.0"
          else
            python -m pip install . "numpy>=${{ matrix.numpy-version }},<2.0"
          fi
      - name: Download and install Flower wheel from artifact store
        if: ${{ github.repository == 'adap/flower' && !github.event.pull_request.head.repo.fork && github.actor != 'dependabot[bot]' }}
        run: |
          # Define base URL for wheel file
          WHEEL_URL="https://${{ env.ARTIFACT_BUCKET }}/py/${{ needs.wheel.outputs.dir }}/${{ needs.wheel.outputs.short_sha }}/${{ needs.wheel.outputs.whl_path }}"
          if [[ "${{ matrix.engine }}" == "simulation-engine" ]]; then
            python -m pip install "flwr[simulation] @ ${WHEEL_URL}" "numpy>=${{ matrix.numpy-version }},<2.0"
          else
            python -m pip install "${WHEEL_URL}" "numpy>=${{ matrix.numpy-version }},<2.0"
          fi
      - name: >
          Run Flower - NumPy 1.26 test / 
          ${{ matrix.connection }} / 
          ${{ matrix.authentication }} / 
          ${{ matrix.engine }} 
        working-directory: e2e/${{ matrix.directory }}
        run: ./../test_exec_api.sh "${{ matrix.connection }}" "${{ matrix.authentication}}" "${{ matrix.engine }}"

  windows-compatibility:
    runs-on: windows-latest
    env:
      PYTHONIOENCODING: utf-8
    timeout-minutes: 10
    needs: wheel
  
    name: Windows compatibility test

    steps:
      - uses: actions/checkout@v4
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: 3.9
      - name: Install build tools
        run: python -m pip install -U pip==23.3.1
      - name: Install dependencies
        run: python -m pip install --upgrade .
      - name: Run test
        working-directory: ./e2e
        run: ./test_windows.sh
        shell: bash