python-client-gen.yml

name: Python Client Generation
on:
  workflow_dispatch:
    inputs:
      openapi_short_sha:
        description: "The short commit sha that triggered the workflow"
        required: true
        type: string

env:
  NEW_BRANCH: openapi-${{ github.event.inputs.openapi_short_sha }}/clientgen

jobs:
  Generate-Python-Client:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3

      - name: OpenAPI Changelist
        env:
          GH_TOKEN: ${{ secrets.WORKFLOW_TOKEN }}
        run: |
          current_sha=$(cat DO_OPENAPI_COMMIT_SHA.txt)
          echo "current_sha=$current_sha" >> $GITHUB_ENV
          target_sha=${{ github.event.inputs.openapi_short_sha }}
          scripts/openapi_changelist.sh $current_sha $target_sha > changelist.md

      - name: Removes all generated code
        run: make clean

      - name: Download spec file and Update DO_OPENAPI_COMMIT_SHA.txt
        run: |
          curl --fail https://api-engineering.nyc3.digitaloceanspaces.com/spec-ci/DigitalOcean-public-${{ github.event.inputs.openapi_short_sha }}.v2.yaml -o DigitalOcean-public.v2.yaml
          echo ${{ github.event.inputs.openapi_short_sha }} > DO_OPENAPI_COMMIT_SHA.txt
        env:
          GH_TOKEN: ${{ secrets.WORKFLOW_TOKEN }}

      - uses: actions/upload-artifact@v2
        with:
          name: DigitalOcean-public.v2
          path: ./DigitalOcean-public.v2.yaml

      - name: Checkout new Branch
        run: git checkout -b ${{ env.NEW_BRANCH }}
        env:
          GH_TOKEN: ${{ secrets.WORKFLOW_TOKEN }}

      - name: Install Poetry
        uses: snok/install-poetry@v1.3.4
        with:
          version: 1.6.1
          virtualenvs-path: .venv
          virtualenvs-create: true
          virtualenvs-in-project: true
          installer-parallel: false

      - name: Generate Python client
        run: make generate

      - name: Generate Python client documentation
        run: make generate-docs

      - name: Add and commit changes
        id: add-commit-changes
        continue-on-error: true
        run: |
          git config --global user.email "api-engineering@digitalocean.com"
          git config --global user.name "API Engineering"
          git add .
          git commit -m "[bot] Updated client based on ${{ env.NEW_BRANCH }}"
          git push --set-upstream origin ${{ env.NEW_BRANCH }}
        env:
          GH_TOKEN: ${{ secrets.WORKFLOW_TOKEN }}

      - name: Check if branch existed
        # If steps.create-pr was anything but successful, it's possible that
        # the branch was created in previous pipeline runs so it should be manually deleted.
        if: steps.add-commit-changes.outcome != 'success'
        run: |
          echo "Add and commit changes step failed. It's possible the branch ${{ env.NEW_BRANCH }} already existed. Please delete the branch and re-run the pipeline."
          exit 1

      - name: Set pr_title outputs 
        id: pr_title_var
        run: echo "PR_TITLE=$(gh pr list --search "${{ github.event.inputs.openapi_short_sha }}" --json title --jq '.[0].title' --repo digitalocean/openapi --state merged)" >> $GITHUB_OUTPUT
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Check pr_title outputs 
        run: echo ${{ steps.pr_title_var.outputs.PR_TITLE }}

      - name: Create Pull Request
        id: create-pr
        if: steps.add-commit-changes.outcome == 'success'
        run: |
          export CURRENT=$(cat DO_OPENAPI_COMMIT_SHA.txt)
          export TARGET=${{ github.event.inputs.openapi_short_sha }}
          export TITLE="${{ steps.pr_title_var.outputs.PR_TITLE }}"
          envsubst < scripts/pr_body.md_tmpl > pr_body.md
          cat changelist.md >> pr_body.md

          echo "PR BODY:"
          cat pr_body.md

          gh pr create \
            --title "[bot] $TITLE: Re-Generated From digitalocean/openapi@$TARGET" \
            --body-file pr_body.md \
            --head "${{ env.NEW_BRANCH }}" \
            -r digitalocean/api-cli
        env:
          GH_TOKEN: ${{ secrets.WORKFLOW_TOKEN }}