_combine_runtime_logs.yml

# This workflow will download runtime log artifacts created by parallel_test and combine
# them into one log that is then used by subsequent test runs to help split up test files
# more efficiently into groups.
#
# This workflow is meant to be called by other workflows.
name: "🪵 Combine Runtime Logs for Parallel Tests"
on:
  workflow_call:

jobs:
  combine_runtime_logs:
    name: "🪵"
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          path: tmp/starter

      - name: runtime log cache
        uses: actions/cache@v4
        with:
          path: |
            tmp/starter/tmp/parallel_runtime_test.log
          key: runtime-cache-${{ runner.os }}-${{ github.ref }}-${{ github.sha }}
          restore-keys: |
            runtime-cache-${{ runner.os }}-${{ github.ref }}-${{ github.sha }}
            runtime-cache-${{ runner.os }}-${{ github.ref }}-
            runtime-cache-${{ runner.os }}-

      - name: ls tmp/starter/tmp
        run: ls -al tmp/starter/tmp
        shell: bash

      - name: Touch Parallel Tests Runtime Log
        run: touch tmp/parallel_runtime_test.log
        working-directory: tmp/starter
        shell: bash

      - name: cat runtime log
        run: cat tmp/starter/tmp/parallel_runtime_test.log
        shell: bash

      - name: Download artifacts
        uses: actions/download-artifact@v4
        with:
          path: artifacts
          pattern: parallel_runtime_test_*.log
          merge-multiple: false

      - name: List downloaded artifacts
        run: ls -R artifacts
        shell: bash

      - name: Combine Runtime Logs
        run: cat artifacts/**/parallel_runtime_test.log > tmp/starter/tmp/parallel_runtime_test.log
        shell: bash

      - name: Cat the combined log
        run: cat tmp/starter/tmp/parallel_runtime_test.log
        shell: bash

      - name: Line count the combined log
        run: wc -l tmp/starter/tmp/parallel_runtime_test.log
        shell: bash

      - name: Delete artifacts
        uses: geekyeggo/delete-artifact@v5
        with:
          name: parallel_runtime_test_*.log
          failOnError: false