haystack/.github/workflows/linux_ci.yml

name: Linux CI

on:
  # Activate this workflow manually
  workflow_dispatch:
  # Activate this workflow when the PR is opened and code is added to it
  # Note: using pull_request instead of push to keep the CI workflows 
  # running on our repo, not the contributor's. See autoformat.yml
  pull_request:
    types:
      - opened
      - synchronize
    paths-ignore:
      - '**/*.md'
      - '**/*.txt'
      - '**/*.png'
      - '**/*.gif'
  # Activate this workflow on every push of code changes on master
  push:
    branches:
      - master
    paths-ignore:
      - '**/*.md'
      - '**/*.txt'
      - '**/*.png'
      - '**/*.gif'

jobs:

  build-cache:
    runs-on: ubuntu-20.04
    steps:
      - run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_ENV

      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        with:
          python-version: 3.7

      - name: Cache
        id: cache-python-env
        uses: actions/cache@v2
        with:
          path: ${{ env.pythonLocation }}
          # The cache will be rebuild every day and at every change of the dependency files
          key: linux-${{ env.date }}-${{ hashFiles('**/setup.py') }}-${{ hashFiles('**/setup.cfg') }}-${{ hashFiles('**/pyproject.toml') }}

      - name: Install dependencies
        if: steps.cache-python-env.outputs.cache-hit != 'true'
        run: |
          pip install --upgrade pip
          pip install .[test]
          pip install rest_api/
          pip install ui/
          pip install torch-scatter -f https://data.pyg.org/whl/torch-1.10.0+cpu.html
          echo "=== pip freeze ==="
          pip freeze


  type-check:
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v2
      - uses: actions/setup-python@v2
        with:
          # Mypy can't run properly on 3.7 as it misses support for Literal types.
          # FIXME once we drop support for 3.7, use the cache.
          python-version: 3.8
      - name: Setup mypy
        run: |
          # FIXME installing the packages before running mypy raises
          # a lot of errors which were never detected before!
          # pip install .
          # pip install rest_api/
          # pip install ui/

          # FIXME --install-types does not work properly yet, see https://github.com/python/mypy/issues/10600
          # Hotfixing by installing type packages explicitly. 
          # Run mypy --install-types haystack locally to ensure the list is still up to date
          # mypy --install-types --non-interactive .

          pip install mypy pydantic types-Markdown types-PyYAML types-requests types-setuptools types-six types-tabulate types-chardet types-emoji types-protobuf

      - name: Test with mypy
        run: |
          echo "=== haystack/ ==="
          mypy haystack

          echo "=== rest_api/ ==="
          mypy rest_api --exclude=rest_api/build/ --exclude=rest_api/test/

          echo "=== ui/ ==="
          mypy ui --exclude=ui/build/ --exclude=ui/test/


  linter:
    runs-on: ubuntu-20.04
    steps:

      - uses: actions/checkout@v2
      - run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_ENV
      - uses: actions/setup-python@v2
        with:
          python-version: 3.7

      - name: Cache Python
        uses: actions/cache@v2
        with:
          path: ${{ env.pythonLocation }}
          key: linux-${{ env.date }}-${{ hashFiles('**/setup.py') }}-${{ hashFiles('**/setup.cfg') }}-${{ hashFiles('**/pyproject.toml') }}

      - name: Install Dependencies (on cache miss only)
        # The cache might miss during the execution of an action: there should always be a fallback step to
        # rebuild it in case it goes missing
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          pip install --upgrade pip
          pip install .[all]
          pip install rest_api/
          pip install ui/
          pip install torch-scatter -f https://data.pyg.org/whl/torch-1.10.0+cpu.html
          echo "=== pip freeze ==="
          pip freeze

      - name: Linter
        run: |
          pylint -ry haystack/
          pylint -ry rest_api/
          pylint -ry ui/

  
  code-and-docs-check:
    needs: build-cache
    runs-on: ubuntu-latest
    if: ${{ github.event_name }} != "push"

    steps:
      - run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_ENV

      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          repository: ${{github.event.pull_request.head.repo.full_name}}
          ref: ${{ github.head_ref }}
      
      - name: Set up Python 3.7
        uses: actions/setup-python@v2
        with:
          python-version: 3.7

      - name: Cache Python
        uses: actions/cache@v2
        with:
          path: ${{ env.pythonLocation }}
          key: linux-${{ env.date }}-${{ hashFiles('**/setup.py') }}-${{ hashFiles('**/setup.cfg') }}-${{ hashFiles('**/pyproject.toml') }}

      - name: Install Dependencies (on cache miss only)
        # The cache might miss during the execution of an action: there should always be a fallback step to
        # rebuild it in case it goes missing
        if: steps.cache.outputs.cache-hit != 'true'
        run: |
          pip install --upgrade pip
          pip install .[all]
          pip install rest_api/
          pip install ui/
          pip install torch-scatter -f https://data.pyg.org/whl/torch-1.10.0+cpu.html
          echo "=== pip freeze ==="
          pip freeze
          
      # Get any additional commit that might have been pushed in the meantime
      - name: Pull changes (if any)
        run: git pull origin ${{ github.head_ref }}

      # Apply Black on the entire codebase
      - name: Blacken
        run: black .

      # Convert the Jupyter notebooks into markdown tutorials
      - name: Generate Tutorials
        run: |
          cd docs/_src/tutorials/tutorials/
          python3 convert_ipynb.py

      # Generate markdown files from the docstrings with pydoc-markdown
      - name: Generate Docstrings
        run: |
          set -e   # Fails on any error in the following loop
          cd docs/_src/api/api/
          for file in ../pydoc/* ; do
            echo "Processing" $file
            pydoc-markdown "$file"
          done

      # Generates the OpenAPI specs file to be used on the documentation website
      - name: Generate OpenAPI Specs
        run: |
          pip install rest_api/
          cd docs/_src/api/openapi/
          python generate_openapi_specs.py

      # Generates a new JSON schema for the pipeline YAML validation
      - name: Generate JSON schema for pipelines
        run: python ./.github/utils/generate_json_schema.py
      
      # If there is anything to commit, fail
      # Note: this CI action mirrors autoformat.yml, with the difference that it
      # runs on Haystack's end. If the contributor hasn't run autoformat.yml, then this
      # check will fail.
      - name: Check git status
        run: |
          if [[ `git status --porcelain` ]]; then
            git status
            echo ""
            echo "This means that the `autoformat.yml` action didn't run on the fork."
            echo "Please enable GitHub Action on your fork to pass this check!"
            exit 1
          fi


  prepare-matrix:
    needs: build-cache
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v2
      - id: set-matrix
        run: |
          find $(find . -type d -name test -not -path "./*env*/*") -type f -name test_*.py | jq -SR . | jq -cs .
          echo "::set-output name=matrix::$(find $(find . -type d -name test -not -path "./*env*/*") -type f -name test_*.py | jq -SR . | jq -cs .)"
    outputs:
      matrix: ${{ steps.set-matrix.outputs.matrix }}


  tests:
    needs: prepare-matrix
    runs-on: ubuntu-20.04
    strategy:
      matrix:
        test-path: ${{fromJson(needs.prepare-matrix.outputs.matrix)}}
      fail-fast: false

    steps:
    - uses: actions/checkout@v2
    - run: echo "date=$(date +'%Y-%m-%d')" >> $GITHUB_ENV

    - name: Set up Python 3.7
      uses: actions/setup-python@v2
      with:
        python-version: 3.7

    - name: Cache Python
      uses: actions/cache@v2
      with:
        path: ${{ env.pythonLocation }}
        key: linux-${{ env.date }}-${{ hashFiles('**/setup.py') }}-${{ hashFiles('**/setup.cfg') }}-${{ hashFiles('**/pyproject.toml') }}

    - name: Run Elasticsearch
      run: docker run -d -p 9200:9200 -e "discovery.type=single-node" -e "ES_JAVA_OPTS=-Xms128m -Xmx128m" elasticsearch:7.9.2

    - name: Run Milvus
      run: docker run -d -p 19530:19530 -p 19121:19121 milvusdb/milvus:1.1.0-cpu-d050721-5e559c

    - name: Run Weaviate
      run: docker run -d -p 8080:8080 --name haystack_test_weaviate --env AUTHENTICATION_ANONYMOUS_ACCESS_ENABLED='true' --env PERSISTENCE_DATA_PATH='/var/lib/weaviate' semitechnologies/weaviate:1.7.2

    - name: Run GraphDB
      run: docker run -d -p 7200:7200 --name haystack_test_graphdb deepset/graphdb-free:9.4.1-adoptopenjdk11

    - name: Run Apache Tika
      run: docker run -d -p 9998:9998 -e "TIKA_CHILD_JAVA_OPTS=-JXms128m" -e "TIKA_CHILD_JAVA_OPTS=-JXmx128m" apache/tika:1.24.1

    - name: Run Parsr
      run: docker run -d -p 3001:3001 axarev/parsr:v1.2.2

#    - name: Run Ray
#      run: RAY_DISABLE_MEMORY_MONITOR=1 ray start --head

    - name: Install pdftotext
      run: wget --no-check-certificate https://dl.xpdfreader.com/xpdf-tools-linux-4.03.tar.gz && tar -xvf xpdf-tools-linux-4.03.tar.gz && sudo cp xpdf-tools-linux-4.03/bin64/pdftotext /usr/local/bin

    - name: Install tesseract
      run: sudo apt-get install tesseract-ocr libtesseract-dev poppler-utils

    - name: Install Dependencies (on cache miss only)
      # The cache might miss during the execution of an action: there should always be a fallback step to
      # rebuild it in case it goes missing
      if: steps.cache.outputs.cache-hit != 'true'
      run: |
        pip install --upgrade pip
        pip install .[test]
        pip install rest_api/
        pip install ui/
        pip install torch-scatter -f https://data.pyg.org/whl/torch-1.10.0+cpu.html
        echo "=== pip freeze ==="
        pip freeze

    # Haystack needs to be reinstalled at this stage to make sure the current commit's version is the one getting tested.
    # The cache can last way longer than a specific action's run, so older Haystack version could be carried over.
    - name: Reinstall Haystack
      run: |
        pip install .[test]
        pip install rest_api/
        pip install ui/

    - name: Run tests
      run: pytest -s ${{ matrix.test-path }}