delete-pool-on-pr-close.yaml

name: Tear down Batch pool

on:
  pull_request:
    types:
      - closed
    branches:
      - main

jobs:

  delete-pool:
    runs_on: cdc-cdcgov
    name: Delete Batch pool

  steps:
    - name: Checkout code
      uses: actions/checkout@v4
      with:
        ref: ${{ github.event.pull_request.head.sha }}

    - name: Get commit message
      id: commit-message
      run: echo "message=$(git log -1 --pretty=%s HEAD)" >> $GITHUB_OUTPUT

      # From: https://stackoverflow.com/a/58035262/2097171
    - name: Extract branch name
      shell: bash
      run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
      id: branch-name

    - name: Figure out tag (either latest if it is main or the branch name)
      id: image-tag
      run: |
        if [ "${{ steps.branch-name.outputs.branch }}" = "main" ]; then
          echo "tag=latest" >> $GITHUB_OUTPUT
        else
          echo "tag=${{ steps.branch-name.outputs.branch }}" >> $GITHUB_OUTPUT
        fi

    - name: Install az CLI
      run: |
        apt-get update && apt-get install -y --no-install-recommends azure-cli

    - name: Login to Azure with NNH Service Principal
      id: azure_login_2
      uses: azure/login@v2
      with:
      # managed by EDAV. Contact Amit Mantri or Jon Kislin if you have issues.
        creds: ${{ secrets.EDAV_CFA_PREDICT_NNHT_SP }}

    - name: Delete pool
      id: delete_pool
      run: |

        az batch account login \
          --resource-group {{ secrets.PRD_RESOURCE_GROUP }} \
          --name "{{ env.BATCH_ACCOUNT }}"

        az batch pool delete \
            --pool-id "cfa-epinow2-${{ steps.image-tag.outputs.tag }}" \
            # Don't prompt for user input
            --yes