auto_cherry_pick_merged.yaml

### The workflow for retrying/rerunning the merged PRs AutoCherryPick which was missed/failed due to any circumstances
name: Retry Merged PRs AutoCherryPick

# Run on workflow dispatch from CI
on:
  workflow_dispatch:
    inputs:
      parentPR:
        type: string
        description: An identifier for parent PR to retry its cherrypick
      branches:
        type: string
        description: Comma separated list of branches where the master PR to be cherrypicked

env:
  number: ${{ github.event.inputs.parentPR }}
  is_dependabot_pr: ''

jobs:
  get-parentPR-details:
    runs-on: ubuntu-latest
    outputs:
      labels: ${{ steps.parentPR.outputs.labels }}
      state: ${{ steps.parentPR.outputs.state }}
      base_ref: ${{ steps.parentPR.outputs.base_ref }}
      assignee: ${{ steps.parentPR.outputs.assignee }}
      title: ${{ steps.parentPR.outputs.title }}
      prt_comment: ${{steps.fc.outputs.comment-body}}

    steps:
      - name: Find parent PR details
        id: parentPR
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.CHERRYPICK_PAT }}
          script: |
            const { data: pr } = await github.rest.pulls.get({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: ${{ env.number }},
            });
            core.setOutput('labels', pr.labels);
            core.setOutput('state', pr.state);
            core.setOutput('base_ref', pr.base.ref);
            core.setOutput('assignee', pr.assignee.login);
            core.setOutput('title', pr.title);

      - name: Find & Save last PRT comment of Parent PR
        uses: peter-evans/find-comment@v3
        id: fc
        with:
          issue-number: ${{ env.number }}
          body-includes: "trigger: test-robottelo"
          direction: last

      - name: Print PR details
        run: |
          echo "Labels are ${{ steps.parentPR.outputs.labels }}"
          echo "State is ${{ steps.parentPR.outputs.state }}"
          echo "Base Ref is ${{ steps.parentPR.outputs.base_ref }}"
          echo "Assignee is ${{ steps.parentPR.outputs.assignee }}"
          echo "Title is ${{ steps.parentPR.outputs.title }}"

  arrayconversion:
    needs: get-parentPR-details
    if: ${{ needs.get-parentPR-details.outputs.state }} == closed
    runs-on: ubuntu-latest
    outputs:
      branches: ${{ steps.conversion.outputs.branches }}
    steps:
      - name: Convert String to List
        id: conversion
        uses: actions/github-script@v7
        with:
          script: |
            const branches = "${{ github.event.inputs.branches }}";
            const branchesArray = branches.includes(',') ? branches.split(',').map(item => item.trim()) : [branches.trim()];
            core.setOutput('branches', JSON.stringify(branchesArray));


  run-the-branch-matrix:
    name: Auto Cherry Pick to labeled branches
    runs-on: ubuntu-latest
    needs: [arrayconversion, get-parentPR-details]
    if: ${{ needs.arrayconversion.outputs.branches != '' }}
    strategy:
      matrix:
        branch: ${{ fromJson(needs.arrayconversion.outputs.branches) }}
    steps:
      - name: Tell me the branch name
        run: |
          echo "Branch is: ${{ matrix.branch }}"

      # Needed to avoid out-of-memory error
      - name: Set Swap Space
        uses: pierotofy/set-swap-space@master
        with:
          swap-size-gb: 10

      ## Robottelo Repo Checkout
      - uses: actions/checkout@v4
        if: ${{ startsWith(matrix.branch, '6.') && matrix.branch != needs.get-parentPR-details.outputs.base_ref }}
        with:
          fetch-depth: 0

      ## Set env var for dependencies label PR
      - name: Set env var is_dependabot_pr to `dependencies` to set the label
        if: contains(needs.get-parentPR-details.outputs.labels.*.name, 'dependencies')
        run: |
          echo "is_dependabot_pr=dependencies" >> $GITHUB_ENV

      ## CherryPicking and AutoMerging
      - name: Cherrypicking to zStream branch
        id: cherrypick
        if: ${{ startsWith(matrix.branch, '6.') && matrix.branch != needs.get-parentPR-details.outputs.base_ref }}
        uses: jyejare/github-cherry-pick-action@main
        with:
          token: ${{ secrets.CHERRYPICK_PAT }}
          branch: ${{ matrix.branch }}
          labels: |
            Auto_Cherry_Picked
            ${{ matrix.branch }}
            No-CherryPick
            ${{ env.is_dependabot_pr }}
          assignees: ${{ needs.get-parentPR-details.outputs.assignee }}

      - name: Add Parent PR's PRT comment to Auto_Cherry_Picked PR's
        id: add-parent-prt-comment
        if: ${{ always() && needs.get-parentPR-details.outputs.prt_comment != '' && steps.cherrypick.outcome == 'success' }}
        uses: thollander/actions-comment-pull-request@v2
        with:
          message: |
            ${{ needs.get-parentPR-details.outputs.prt_comment }}
          pr_number: ${{ steps.cherrypick.outputs.number  }}
          GITHUB_TOKEN: ${{ secrets.CHERRYPICK_PAT }}

      - name: is autoMerging enabled for Auto CherryPicked PRs ?
        if: ${{ always() && steps.cherrypick.outcome == 'success' && contains(needs.get-parentPR-details.outputs.labels.*.name, 'AutoMerge_Cherry_Picked') }}
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.CHERRYPICK_PAT }}
          script: |
            github.rest.issues.addLabels({
              issue_number: ${{ steps.cherrypick.outputs.number }},
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: ["AutoMerge_Cherry_Picked"]
            })

      - name: Check if cherrypick pr is created
        id: search_pr
        if: always()
        run: |
          PR_TITLE="[${{ matrix.branch }}] ${{ needs.get-parentPR-details.outputs.title }}"
          API_URL="https://api.github.com/repos/${{ github.repository }}/pulls?state=open"
          PR_SEARCH_RESULT=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" "$API_URL" | jq --arg title "$PR_TITLE" '.[] | select(.title == $title)')
          if [ -n "$PR_SEARCH_RESULT" ]; then
            echo "pr_found=true" >> $GITHUB_OUTPUT
            echo "PR is Found with title $PR_TITLE"
          else
            echo "pr_found=false" >> $GITHUB_OUTPUT
            echo "PR is not Found with title $PR_TITLE"
          fi

      ## Failure Logging to issues
      - name: Create Github issue on cherrypick failure
        id: create-issue
        if: ${{ always() && steps.search_pr.outputs.pr_found == 'false' && steps.cherrypick.outcome != 'success' && startsWith(matrix.branch, '6.') && matrix.branch != needs.get-parentPR-details.outputs.base_ref }}
        uses: dacbd/create-issue-action@main
        with:
          token: ${{ secrets.CHERRYPICK_PAT }}
          title: "[Failed-AutoCherryPick] - ${{ needs.get-parentPR-details.outputs.title }}"
          body: |
            #### Auto-Cherry-Pick WorkFlow Failure:
            - To Branch: ${{ matrix.branch }}
            - [Failed Cherrypick Action](https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }})
            - [Parent Pull Request](https://github.com/${{ github.repository }}/pull/${{ env.number }})
          labels: Failed_AutoCherryPick,${{ matrix.branch }}
          assignees: ${{ needs.get-parentPR-details.outputs.assignee }}