devcontainer.yml

name: MLOS DevContainer

on:
  workflow_dispatch:
    inputs:
      tags:
        description: Manual MLOS DevContainer run aux info tags
      NO_CACHE:
        type: boolean
        description: Disable caching?
        default: false
        required: false
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  release:
    types: [ published ]
  merge_group:
    types: [checks_requested]
  schedule:
    - cron: "1 0 * * *"

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
  cancel-in-progress: true

jobs:
  DevContainer:
    runs-on: ubuntu-latest

    permissions:
      contents: read

    # Here we only test a single (latest) version of python.

    env:
      DOCKER_BUILDKIT: 1
      BUILDKIT_INLINE_CACHE: 1

    steps:
    - uses: actions/checkout@v4

    - name: Get commit messages
      id: get-commit-messages
      if: github.event_name == 'pull_request'
      run: |
        # Only look at the last 10 commits, to avoid getting too much data.
        # If the message wasn't in there (e.g. because the push was a merge and too large), then we just ignore it.
        git fetch --deepen=10
        # Handle multiline output:
        {
          echo 'COMMIT_MESSAGES<<COMMIT_MESSAGES_EOF'
          git log --format="%B" -10 ${{ github.event.before }}..${{ github.event.after }} | tee /tmp/commit_messages.txt
          echo COMMIT_MESSAGES_EOF
        } >> $GITHUB_OUTPUT

    - name: Validate tag
      if: github.ref_type == 'tag'
      # Note: May need to update this for release branches in the future too.
      run: |
        set -x
        git fetch --deepen=100
        if ! git branch -a --contains ${{ github.ref_name }} | grep origin/main; then
          echo "ERROR: tag ${{ github.ref_name }} doesn't appear to be included in the main branch." >&2
          exit 1
        fi
        if ! echo "${{ github.ref_name }}" | egrep -q '^v([0-9]+\.){2,3}[0-9]+$'; then
          echo "ERROR: tag ${{ github.ref_name }} doesn't appear to be a valid version tag." >&2
          exit 1
        fi

    - name: Set NO_CACHE variable based on commit messages and for nightly builds
      if: github.event_name == 'schedule' || contains(steps.get-commit-messages.outputs.COMMIT_MESSAGES, 'NO_CACHE=true') || github.event.inputs.NO_CACHE == 'true'
      run: |
        echo "NO_CACHE=true" >> $GITHUB_ENV

    - name: Run pytest with debug logging enabled for nightly runs
      if: github.event_name == 'schedule'
      run: |
        echo "PYTEST_EXTRA_OPTIONS=--log-level=DEBUG" >> $GITHUB_ENV

    - name: Log some environment variables for debugging
      run: |
        set -x
        printenv
        echo "NO_CACHE: ${NO_CACHE:-}"
        echo "EVENT_NAME: ${{ github.event_name }}"
        echo "BEFORE: ${{ github.event.before }}"
        echo "AFTER: ${{ github.event.after }}"
        # echo "COMMIT_MESSAGES: `cat /tmp/commit_messages.txt`"
        echo "COMMIT_SHA: ${{ github.sha }}"
        echo "git log -1 ${{ github.sha }}: $(git log -1 ${{ github.sha }})"
        echo "Manual Trigger Input Tags: ${{ github.event.inputs.tags }}"
        echo "Manual Trigger Input NO_CACHE: ${{ github.event.inputs.NO_CACHE }}"
        # Output the full event json for debugging.
        # cat ${{ github.event_path }}

    - name: Build the devcontainer image
      timeout-minutes: 15
      run: |
        set -x
        make CONDA_INFO_LEVEL=-v devcontainer

    - name: Start the devcontainer in the background
      timeout-minutes: 3
      run: |
        set -x
        docker run -d --rm --user root \
          --volume /var/run/docker.sock:/var/run/docker.sock \
          --env DOCKER_BUILDKIT=$DOCKER_BUILDKIT \
          --volume $(pwd):/workspaces/MLOS \
          --env CONTAINER_WORKSPACE_FOLDER=/workspaces/MLOS \
          --env LOCAL_WORKSPACE_FOLDER=$(pwd) \
          --env PYTEST_EXTRA_OPTIONS=$PYTEST_EXTRA_OPTIONS \
          --workdir /workspaces/MLOS \
          --add-host host.docker.internal:host-gateway \
          --name mlos-devcontainer mlos-devcontainer sleep 1800
    - name: Fixup vscode uid/gid in the running container
      timeout-minutes: 3
      run: |
        set -x
        docker exec --user root mlos-devcontainer groupmod --non-unique -g `id -g` vscode
        docker exec --user root mlos-devcontainer usermod --non-unique -u `id -u` -g `id -g` vscode
        docker exec --user root mlos-devcontainer chown -R vscode:vscode /home/vscode

    - name: Print some debug info from inside the container
      run: |
        docker exec --user vscode --env USER=vscode mlos-devcontainer printenv

    - name: Check that github.com is in the ssh known_hosts file
      run: |
        docker exec --user vscode --env USER=vscode mlos-devcontainer grep ^github.com /home/vscode/.ssh/known_hosts

    - name: Update the conda env in the devcontainer
      timeout-minutes: 10
      run: |
        set -x
        docker exec --user vscode --env USER=vscode mlos-devcontainer make CONDA_INFO_LEVEL=-v conda-env

    - name: Check for missing licenseheaders
      timeout-minutes: 3
      run: |
        set -x
        docker exec --user vscode --env USER=vscode mlos-devcontainer make CONDA_INFO_LEVEL=-v licenseheaders
        # licenseheaders changes the contents of the files, so make this check fail if there are any changes detected
        git --no-pager diff --exit-code

    - name: Run lint checks
      timeout-minutes: 5
      run: |
        set -x
        docker exec --user vscode --env USER=vscode --env MAKEFLAGS=-Oline mlos-devcontainer make CONDA_INFO_LEVEL=-v check

    - name: Run tests
      timeout-minutes: 10
      run: |
        set -x
        # Simulate test collection in vscode.
        test_count=$(docker exec --user vscode --env USER=vscode mlos-devcontainer \
          conda run -n mlos python -m pytest -svxl -n auto --collect-only --rootdir /workspaces/MLOS -s --cache-clear \
          | grep -c '<Function ')
        if [ "${test_count:-0}" -lt 725 ]; then echo "Expected at least 725 tests, got '$test_count'" >&2; exit 1; fi

        # Now actually run the tests.
        docker exec --user vscode --env USER=vscode mlos-devcontainer make CONDA_INFO_LEVEL=-v test

    - name: Generate and test binary distribution files
      timeout-minutes: 10
      run: |
        set -x
        docker exec --user vscode --env USER=vscode mlos-devcontainer make CONDA_INFO_LEVEL=-v dist dist-test

    - name: Test rebuilding the devcontainer in the devcontainer
      # FIXME:
      # timeout-minutes: 3
      timeout-minutes: 10
      run: |
        set -x
        git --no-pager diff --exit-code
        docker exec --user vscode --env USER=vscode mlos-devcontainer make CONDA_INFO_LEVEL=-v devcontainer

    - name: Generate docs and test check them
      run: |
        set -x
        docker exec --user vscode --env USER=vscode --env MAKEFLAGS=-Oline mlos-devcontainer make CONDA_INFO_LEVEL=-v doc
        # Make sure we can publish the coverage report.
        rm -f doc/build/html/htmlcov/.gitignore

    - uses: actions/upload-artifact@v4
      if: github.ref == 'refs/heads/main'
      with:
        name: docs
        path: doc/build/html

    - name: Publish package to Test PyPi
      if: github.event_name == 'release' && github.ref_type == 'tag'
      run: |
        if [ -n "${{ secrets.PYPI_TEST_USERNAME }}" ]; then
          docker exec --user vscode --env USER=vscode --env MAKEFLAGS=-Oline \
            --env TWINE_USERNAME=${{ secrets.PYPI_TEST_USERNAME }} --env TWINE_PASSWORD=${{ secrets.PYPI_TEST_PASSWORD }} \
            mlos-devcontainer make CONDA_INFO_LEVEL=-v publish-test-pypi
        fi

    - name: Publish package to PyPi
      if: github.repository == 'microsoft/mlos' && github.event_name == 'release' && github.ref_type == 'tag'
      run: |
        if [ -n "${{ secrets.PYPI_USERNAME }}" ]; then
          docker exec --user vscode --env USER=vscode --env MAKEFLAGS=-Oline \
            --env TWINE_USERNAME=${{ secrets.PYPI_USERNAME }} --env TWINE_PASSWORD=${{ secrets.PYPI_PASSWORD }} \
            mlos-devcontainer make CONDA_INFO_LEVEL=-v publish-pypi
        fi

    - name: Cleanup the devcontainer
      run: |
        set -x
        docker stop -t 1 mlos-devcontainer || true
        docker rm --force mlos-devcontainer || true

    - name: Container Registry Login
      if: (github.repository == 'microsoft/mlos') && (github.ref == 'refs/heads/main' || github.ref_type == 'tag')
      uses: docker/login-action@v3
      with:
        # This is the URL of the container registry, which is configured in Github
        # Settings and currently corresponds to the mlos-core ACR.
        registry: ${{ secrets.ACR_LOGINURL }}
        username: ${{ secrets.ACR_USERNAME }}
        # This secret is configured in Github Settings.
        # It can also be obtained in a keyvault in the Azure portal alongside the
        # other resources used.
        password: ${{ secrets.ACR_PASSWORD }}
    - name: Publish the container images
      # TODO: add cleanup step to remove old images
      if: (github.repository == 'microsoft/mlos') && (github.ref == 'refs/heads/main' || github.ref_type == 'tag')
      timeout-minutes: 15
      run: |
        set -x
        image_tag=''
        if [ "${{ github.ref_type }}" == 'tag' ]; then
          image_tag="${{ github.ref_name }}"
        elif [ "${{ github.ref }}" == 'refs/heads/main' ]; then
          image_tag='latest'
        fi
        if [ -z "$image_tag" ]; then
          echo "ERROR: Unhandled event condition or ref: event=${{ github.event}}, ref=${{ github.ref }}, ref_type=${{ github.ref_type }}"
          exit 1
        fi

        docker tag devcontainer-cli:latest ${{ secrets.ACR_LOGINURL }}/devcontainer-cli:$image_tag
        docker push ${{ secrets.ACR_LOGINURL }}/devcontainer-cli:$image_tag
        docker tag mlos-devcontainer:latest ${{ secrets.ACR_LOGINURL }}/mlos-devcontainer:$image_tag
        docker push ${{ secrets.ACR_LOGINURL }}/mlos-devcontainer:$image_tag

  DeployDocs:
    if: github.ref == 'refs/heads/main'
    needs: DevContainer
    runs-on: ubuntu-latest

    # Required for github-pages-deploy-action to push to the gh-pages branch.
    permissions:
      contents: write

    steps:
    - uses: actions/checkout@v4

    - uses: actions/download-artifact@v4
      with:
        name: docs
        path: doc/build/html

    - name: Check docs
      run: |
        set -x
        # Check that the docs are not empty.
        if [ ! -d doc/build/html ]; then
          echo "ERROR: No docs found in doc/build/html" >&2
          exit 1
        fi
        if [ ! -f doc/build/html/index.html ]; then
          echo "ERROR: No index.html found in doc/build/html" >&2
          exit 1
        fi

    - name: Deploy to GitHub pages
      uses: JamesIves/github-pages-deploy-action@v4
      with:
        branch: gh-pages
        folder: doc/build/html
        clean: true