ci.yaml

# Copyright 2022 Canonical Ltd.
# See LICENSE file for licensing details.
name: Tests

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

on:
  pull_request:
  schedule:
    - cron: '53 0 * * *' # Daily at 00:53 UTC
  # Triggered on push to branch "main" by .github/workflows/release.yaml
  workflow_call:

jobs:
  lint:
    name: Lint
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Install tox
        # TODO: Consider replacing with custom image on self-hosted runner OR pinning version
        run: python3 -m pip install tox
      - name: Run linters
        run: tox run -e lint

# TODO: re-enable after adding unit tests
#  unit-test:
#    name: Unit tests
#    runs-on: ubuntu-latest
#    timeout-minutes: 5
#    steps:
#      - name: Checkout
#        uses: actions/checkout@v3
#      - name: Install tox
#        # TODO: Consider replacing with custom image on self-hosted runner OR pinning version
#        run: python3 -m pip install tox
#      - name: Run tests
#        run: tox run -e unit
#      - name: Upload Coverage to Codecov
#        uses: codecov/codecov-action@v3

  lib-check:
    name: Check libraries
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
      - name: Check libs
        uses: canonical/charming-actions/check-libraries@2.2.2
        with:
          credentials: "${{ secrets.CHARMHUB_TOKEN }}" # FIXME: current token will expire around 2023-09-23
          github-token: "${{ secrets.GITHUB_TOKEN }}"
          use-labels: false
          fail-build: ${{ github.event_name == 'pull_request' }}

  build:
    name: Build charms
    uses: canonical/data-platform-workflows/.github/workflows/build_charms_with_cache.yaml@v2

  integration-test:
    strategy:
      fail-fast: false
      matrix:
        tox-environments:
          # TODO: uncomment when the following bug is resolved:
          # https://bugs.launchpad.net/charm-keystone/+bug/1990243
          # - integration-shared-db
          - integration-database
        ubuntu-versions:
          # Update whenever charmcraft.yaml is changed
          - series: focal
            bases-index: 0
          - series: jammy
            bases-index: 1
    name: ${{ matrix.tox-environments }} | ${{ matrix.ubuntu-versions.series }}
    needs:
      - lint
      # TODO: re-enable after adding unit tests
      # - unit-test
      - build
    runs-on: ubuntu-latest
    timeout-minutes: 120
    steps:
      - name: Checkout
        uses: actions/checkout@v3
      - name: Setup operator environment
        # TODO: Replace with custom image on self-hosted runner
        uses: charmed-kubernetes/actions-operator@main
        with:
          provider: lxd
          bootstrap-options: "--agent-version 2.9.42"
      - name: Download packed charm(s)
        uses: actions/download-artifact@v3
        with:
          name: ${{ needs.build.outputs.artifact-name }}
      - name: Select tests
        id: select-tests
        run: |
          if [ "${{ github.event_name }}" == "schedule" ]
          then
            echo Running unstable and stable tests
            echo "mark_expression=" >> $GITHUB_OUTPUT
          else
            echo Skipping unstable tests
            echo "mark_expression=not unstable" >> $GITHUB_OUTPUT
          fi
      - name: Run integration tests
        run: tox run -e ${{ matrix.tox-environments }} -- -m '${{ steps.select-tests.outputs.mark_expression }}' --mysql-router-charm-series=${{ matrix.ubuntu-versions.series }} --mysql-router-charm-bases-index=${{ matrix.ubuntu-versions.bases-index }}
        env:
          CI_PACKED_CHARMS: ${{ needs.build.outputs.charms }}