test_edge.yaml

name: Nightly release edge testing

on:
  schedule:
    - cron: "0 0 * * *" # Run at 12AM UTC, every day

jobs:
  candidate-integration:
    name: Edge integration
    timeout-minutes: 150
    runs-on: ubuntu-latest
    strategy:
      matrix:
        python:
          - "3.8"
          - "3.9"
          - "3.10"
    steps:
      - name: Download artifact from previous workflow
        id: download_artifact
        uses: dawidd6/action-download-artifact@v2
        with:
          workflow_conclusion: success
          name: juju-last-edge-version
          if_no_artifact_found: ignore
      - name: Check if there is a new candidate
        shell: bash
        run: |
          edge=$(snap info juju | grep 3.1/edge | awk '{print $2}')
          last_tested=NA
          if [ -f juju-last-edge-version ]; then
            last_tested=$(cat juju-last-edge-version)
          fi
          echo "Last tested was $last_tested"
          echo "Latest juju version found is $edge"
          next_test=NA
          if [[ "$edge" == "^" ]]; then
            echo "No edge to test"
          else
            if [[ "$edge" == "$last_tested" ]]; then
              echo "Edge $edge was already tested"
            else
              echo "Edge $edge has to be tested"
              next_test="$edge"
            fi 
          fi
          echo "next-test=$next_test" >> $GITHUB_ENV
          echo "$next_test" > ~/juju-last-edge-version
      - name: Check out code
        uses: actions/checkout@v4
        if: ${{ env.next-test != 'NA' }}
      - name: Setup Python
        if: ${{ env.next-test != 'NA' }}
        uses: actions/setup-python@v5
        with:
          python-version: ${{ matrix.python }}
      - name: Setup operator environment
        if: ${{ env.next-test != 'NA' }}
        uses: charmed-kubernetes/actions-operator@main
        with:
          provider: lxd
          juju-channel: 3.4/edge
      - name: Run integration
        if: ${{ env.next-test != 'NA' }}
        # Force one single concurrent test
        run: tox -e integration -- -n 1
      - name: Upload artifact
        if: ${{ env.next-test != 'NA' }}
        uses: actions/upload-artifact@v4
        with:
          name: juju-last-edge-version
          path: ~/juju-last-edge-version