discover-oncomment.yml

# Discover on demand
name: Discover CI On PR Comment

on:
  issue_comment:
    types: [created]

defaults:
  run:
    shell: bash

jobs:
  bot:
    runs-on: ubuntu-latest
    if: ${{ github.event.issue.pull_request }}
    outputs:
      experiment-name: ${{ steps.experience.outputs.name }}
      experiment-action: ${{ steps.experience.outputs.action }}
      branch: ${{ steps.get-branch.outputs.branch }}
    steps:
      - name: Cancel job if needed
        id: conditional-cancel
        if: "!contains(github.event.comment.body, '/bot')"
        shell: bash
        run: |
          gh run --repo $REPO cancel ${{ github.run_id }}
          gh run --repo $REPO watch ${{ github.run_id }}
        env:
          REPO: ${{ github.repository }}
          PR_NO: ${{ github.event.issue.number }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Bot help
        id: check
        if: contains(github.event.comment.body, '/bot help')
        shell: bash
        run: |
          gh pr comment $PR_NO --repo $REPO --body 'Bot commands:

            /bot help
              : Print this message

            /bot experience --name=[per experiment.yaml] --action=[All, Validation, Benchmark]
              : Triggers a geosongpu_dispatch command with given parameters'
          gh run --repo $REPO cancel ${{ github.run_id }}
          gh run --repo $REPO watch ${{ github.run_id }}
        env:
          REPO: ${{ github.repository }}
          PR_NO: ${{ github.event.issue.number }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Bot experience
        id: experience
        if: contains(github.event.comment.body, '/bot experience')
        shell: bash
        run: |
          echo Launching Discover CI: ${{github.event.comment.body}}
          BODY="${{github.event.comment.body}}"
          EXP_NAME_DIRTY=${BODY#*--name=}
          EXP_NAME=${EXP_NAME_DIRTY%% *}
          echo "name=$EXP_NAME" >> "$GITHUB_OUTPUT"
          EXP_ACTION_DIRTY=${BODY#*--action=}
          EXP_ACTION=${EXP_ACTION_DIRTY%% *}
          echo "action=$EXP_ACTION" >> "$GITHUB_OUTPUT"
          gh pr comment $PR_NO --repo $REPO --body 'Discover experiment started 🚀:

            Parameters: '"$EXP_NAME"' '"$EXP_ACTION"'
            Url: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}'
        env:
          REPO: ${{ github.repository }}
          PR_NO: ${{ github.event.issue.number }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Extract branch
        id: 'get-branch'
        run: |
          BRANCH=$(gh pr view $PR_NO --repo $REPO --json headRefName --jq '.headRefName')
          echo "branch=$BRANCH" >> $GITHUB_OUTPUT
        env:
          REPO: ${{ github.repository }}
          PR_NO: ${{ github.event.issue.number }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  run-discover-ondemand:
    needs: bot
    uses: GEOS-ESM/CI-workflows/.github/workflows/geosongpu-ondemand.yml@project/geosongpu
    with:
      experiment_name:   ${{ needs.bot.outputs.experiment-name }}
      experiment_action: ${{ needs.bot.outputs.experiment-action }}
      geosongpu_ci_ref:  ${{ needs.bot.outputs.branch }}

  comment-results:
    #Run the job everytime _but_ when upstream has been cancelled
    if: success() || failure()
    needs: [run-discover-ondemand, bot]
    runs-on: ubuntu-latest
    steps:
      - name: Message success
        if: ${{ needs.run-discover-ondemand.result == 'success' }}
        shell: bash
        run: |
          gh pr comment $PR_NO --repo $REPO --body '✅ Successful discover experiment ${{ needs.bot.outputs.experiment-name }} @ ${{ needs.bot.outputs.experiment-action }}'
        env:
          REPO: ${{ github.repository }}
          PR_NO: ${{ github.event.issue.number }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - name: Message failure
        if: ${{ needs.run-discover-ondemand.result != 'success' }}
        shell: bash
        run: |
          gh pr comment $PR_NO --repo $REPO --body '✅ Successful discover experiment ${{ needs.bot.outputs.experiment-name }} @ ${{ needs.bot.outputs.experiment-action }}'
        env:
          REPO: ${{ github.repository }}
          PR_NO: ${{ github.event.issue.number }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}