preview.yml

name: Preview

on: 
  pull_request: 
    branches: 
      - "main"

jobs: 
  get-changed-project-stack: 
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4
        with: 
          fetch-depth: 0

      - name: Install Python
        uses: actions/setup-python@v4
        with:
          python-version: 3.9

      - name: Install Pytest Html
        run: python3 -m pip install pytest-html pyyaml -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com

      - name: Git Diff
        id: git-diff
        uses: technote-space/get-diff-action@v6

      - name: Get Changed Projects and Stacks
        id: get-changed-projects-and-stacks
        env: 
          CHANGED_PATHS: ${{ steps.git-diff.outputs.diff }}
        run: |
          export CHANGED_PATHS="${{ steps.git-diff.outputs.diff }}"
          python3 hack/get_changed_projects_and_stacks.py
          
      - name: Print Changed Projects and Stacks
        run: |
          echo "Changed projects: ${{ steps.get-changed-projects-and-stacks.outputs.changed_projects }}"
          echo "Changed stacks: ${{ steps.get-changed-projects-and-stacks.outputs.changed_stacks }}"
    outputs: 
      changed_projects: ${{ steps.get-changed-projects-and-stacks.outputs.changed_projects }}
      changed_stacks: ${{ steps.get-changed-projects-and-stacks.outputs.changed_stacks }}

  preview: 
    needs: [ get-changed-project-stack ]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install Kusion 
        run: curl https://www.kusionstack.io/scripts/install.sh | sh -s 0.12.0-rc.2

      - name: Install Python
        uses: actions/setup-python@v4
        with:
          python-version: 3.9

      - name: Install Pytest Html
        run: python3 -m pip install pytest-html pyyaml -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com

      - name: Setup K3d&K3s
        uses: nolar/setup-k3d-k3s@v1
        with: 
          version: v1.25.15+k3s1

      - name: Preview
        id: preview
        env: 
          CHANGED_STACKS: ${{ needs.get-changed-project-stack.outputs.changed_stacks }}
          OSS_ACCESS_KEY_ID: '${{ secrets.OSS_ACCESS_KEY_ID }}'
          OSS_ACCESS_KEY_SECRET: '${{ secrets.OSS_ACCESS_KEY_SECRET }}'
          WORKSPACE_FILE_DIR: workspaces
          AWS_REGION: us-east-1
        run: |
          # manually source kusion env file
          source "$HOME/.kusion/.env"

          # setup remote backend for kusion cli
          kusion config set backends.oss_test '{"type":"oss","configs":{"bucket":"kusion-test","endpoint":"oss-cn-shanghai.aliyuncs.com"}}'
          kusion config set backends.current oss_test
          
          # execute python script for previewing
          python3 hack/preview_changed_stacks.py

      - name: Upload report
        id: upload-report
        if: ${{ steps.preview.outputs.preview_success == 'true' }}
        uses: actions/upload-artifact@v4
        with:
          name: preview-report
          path: hack/report/preview-result.zip
        
      - name: Echo URL 
        if: ${{ steps.preview.outputs.preview_success == 'true' }}
        run: echo "${{ steps.upload-report.outputs.artifact-url }}"

      - name: Approve preview
        if: ${{ steps.preview.outputs.preview_success == 'true' }}
        uses: trstringer/manual-approval@v1
        with:
          secret: ${{ secrets.PACKAGE_TOKEN }}
          approvers: ${{ github.event.pull_request.user.login }}
          minimum-approvals: 1
          issue-title: "Deploying ${{ needs.get-changed-project-stack.outputs.changed_stacks }}"
          issue-body: "Please check the preview report at: ${{ steps.upload-report.outputs.artifact-url }}"