maya-usd-preflight-launcher.yml

name: Pre-flight build on pull request

# Trigger the workflow on pull request (assigned) event for the branch
# https://help.github.com/en/actions/reference/events-that-trigger-workflows
on:
  pull_request:
    branches: [dev]
    types:    [assigned]

jobs:

  clang_format_linter:
      timeout-minutes: 30
      runs-on: ubuntu-latest
      if: ${{ github.event.assignee.login == 'ecp-maya-devops-adsk' }}
      steps:
      # Aug 2023: Update from v2 to v3 which uses node16 (node12 is out of support).
      - uses: actions/checkout@v3
      - uses: DoozyX/clang-format-lint-action@v0.16.2
        with:
          source: '.'
          clangFormatVersion: 10

  # Wait for remote build to start and finish, report results
  build_preflight:
      timeout-minutes: 400
      runs-on: ubuntu-latest
      needs: clang_format_linter
      if: ${{ github.event.assignee.login == 'ecp-maya-devops-adsk' }}
      steps:

        # Build start info will be committed here when the remote build is launched
        - name: Setup transfer repo
          uses: actions/checkout@v3
          with:
            repository: ecp-maya-devops-adsk/log-transfer
            ref: transfer
            path: transfer

        # Echo the file name - it's hard to find the run_id in the UI
        - name: Echo the expected start file name
          run: "echo ${{ github.run_id }}_${{ github.run_number }}_start.txt"

        # Wait for remote build to start
        - name: Wait until remote build starts
          shell: bash
          # 180 minutes wait time. There will be overhead for the git pull command, so actual wait time will be slightly more than 180 minutes
          run: "cd transfer ; for (( i=0; i<180; i++ )) ; do if [ -f ${{ github.run_id }}_${{ github.run_number }}_start.txt ] ; then break ; fi ; git pull --quiet ; sleep 60 ; false ; done || exit 1"

        # Show contents of start file
        - name: Show build start information
          shell: bash
          run: "cat transfer/${{ github.run_id }}_${{ github.run_number }}_start.txt"

        # Grep the start file to show failures
        - name: Exit with error if a build failed to start
          # Default shell includes "-o pipefail" and "-e". Specify a different shell
          shell: bash --noprofile --norc {0}
          run: "if grep -i 'Remote build failed' transfer/${{ github.run_id }}_${{ github.run_number }}_start.txt; then exit 1; else exit 0; fi"

        # Echo the file name - it's hard to find the run_id in the UI
        - name: Echo the expected result file name
          run: "echo ${{ github.run_id }}_${{ github.run_number }}_result.txt"

        # Wait for remote build to finish and commit results to git
        - name: Wait until build results are available
          shell: bash
          # 180 minutes wait time. There will be overhead for the git pull command, so actual wait time will be slightly more than 180 minutes
          run: "cd transfer ; for (( i=0; i<180; i++ )) ; do if [ -f ${{ github.run_id }}_${{ github.run_number }}_result.txt ] ; then break ; fi ; git pull --quiet ; sleep 60 ; false ; done || exit 1"

        # List files related to this build
        - name: List files in transfer directory
          shell: bash
          run: "ls -lap transfer/${{ github.run_id }}_${{ github.run_number }}_*"

        # Upload files related to this build
        - name: Upload files in transfer directory as artifacts
          # Aug 2023: Update from v2 to v3 which uses node16 (node12 is out of support).
          uses: actions/upload-artifact@v3
          with:
            name: build logs
            path: "transfer/${{ github.run_id }}_${{ github.run_number }}_*"

        # Show contents of result file
        - name: Show build result information
          shell: bash
          run: "cat transfer/${{ github.run_id }}_${{ github.run_number }}_result.txt"

        # Grep the results file to show failures
        - name: Exit with error if a build failed
          # Default shell includes "-o pipefail" and "-e". Specify a different shell
          shell: bash --noprofile --norc {0}
          run: "if grep -i failed transfer/${{ github.run_id }}_${{ github.run_number }}_result.txt; then exit 1; else exit 0; fi"