ci.yml

name: "CI"
on:
  push:
  pull_request:
  workflow_dispatch:

jobs:

  build:
    name: Build charms
    uses: canonical/data-platform-workflows/.github/workflows/build_charms_with_cache.yaml@v4
    with:
      artifact-name: charm-packed

  bootstrap:
    name: "Bootstrap"
    runs-on: ubuntu-latest
    needs: build
    strategy:
      fail-fast: false
      matrix:
        cloud: ["lxd", "microk8s"]
    env:
      LOCAL_CHARM_PATH: ${{ github.workspace }}/controller.charm
      CHARMHUB_NAME: juju-qa-controller
      CHARMHUB_CHANNEL: latest/edge/${{ github.run_id }}

    steps:
    - name: Download packed charm
      id: download
      uses: actions/download-artifact@v3
      with:
        name: ${{ needs.build.outputs.artifact-name }}

    - name: Rename charm file
      run: |
        mv ${{ steps.download.outputs.download-path }}/*.charm \
          $LOCAL_CHARM_PATH

      # Currently the only way to get charms on k8s is via Charmhub.
    - name: Upload charm to Charmhub
      id: charmcraft
      if: matrix.cloud == 'microk8s'
      env:
        CHARMCRAFT_AUTH: ${{ secrets.CHARMCRAFT_AUTH }}
      run: |
        sudo snap install charmcraft --classic
        charmcraft upload $LOCAL_CHARM_PATH \
          --name $CHARMHUB_NAME --release $CHARMHUB_CHANNEL

    - name: Save charmcraft logs as artifact
      if: always() && steps.charmcraft.outcome != 'skipped'
      uses: actions/upload-artifact@v3
      with:
        name: charmcraft-upload-logs
        path: ~/.local/state/charmcraft/log/
      continue-on-error: true

    - name: Set up LXD
      if: matrix.cloud == 'lxd'
      uses: canonical/setup-lxd@90d76101915da56a42a562ba766b1a77019242fd

    - name: Set up MicroK8s
      if: matrix.cloud == 'microk8s'
      uses: balchua/microk8s-actions@v0.3.1
      with:
        channel: "1.25-strict/stable"
        addons: '["dns", "hostpath-storage"]'

    - name: Install Juju
      run: |
        sudo snap install juju --channel 3.0/stable

    - name: Bootstrap on LXD
      if: matrix.cloud == 'lxd'
      run: |
        juju bootstrap lxd c \
          --controller-charm-path=$LOCAL_CHARM_PATH

    - name: Bootstrap on MicroK8s
      if: matrix.cloud == 'microk8s'
      run: |
        sg snap_microk8s <<EOF
          juju bootstrap microk8s c \
            --controller-charm-path=$CHARMHUB_NAME \
            --controller-charm-channel=$CHARMHUB_CHANNEL
        EOF

    - name: Check charm status
      run: |
        juju switch controller
        juju wait-for application controller --timeout 1m
        juju status

    # TODO: test integration with dashboard / ha-proxy

  release:
    name: "Release to edge"
    runs-on: ubuntu-latest
    needs: [build, bootstrap]
    if: github.event_name == 'push'

    steps:
    - name: Download packed charm
      id: download
      uses: actions/download-artifact@v3
      with:
        name: ${{ needs.build.outputs.artifact-name }}

    - name: Select Charmhub channel
      id: channel
      shell: bash
      run: |
        set -x
        case ${{ github.ref_name }} in
          3.* | 4.*)
            TRACK="${{ github.ref_name }}"
            ;;
          master)
            TRACK="latest"
            ;;
        esac
        echo "track=$TRACK" >> "$GITHUB_OUTPUT"
        
        if [[ -z $TRACK ]]; then
          echo "upload=false" >> "$GITHUB_OUTPUT"
        else
          echo "upload=true" >> "$GITHUB_OUTPUT"
        fi
        

    - name: Upload to Charmhub
      if: steps.channel.outputs.upload == 'true'
      env:
        CHARMCRAFT_AUTH: ${{ secrets.CHARMCRAFT_AUTH }}
      run: |
        sudo snap install charmcraft --classic
        charmcraft upload ${{ steps.download.outputs.download-path }}/*.charm \
          --release ${{ steps.channel.outputs.track }}/edge