execute_jenkins_build_java.yml

name: Java Build

on:
  pull_request:
    types: [opened, synchronize, reopened]

jobs:
  jenkins-build-java:
    if: (github.event.pull_request.head.ref != 'release-please--branches--main')
    runs-on: ubuntu-latest
    outputs:
      BUILD_URL: ${{ steps.trigger.outputs.BUILD_URL }}
      EXECUTABLE_URL: ${{ steps.get_executable_url.outputs.POLLING_URL }}
    env:
      JENKINS_URL: https://dataproctemplatesci.com/job/dataproc-templates-build/job/ad-hoc/job/build-job-java/buildWithParameters?token=GITHUB_TOKEN&branchName=origin/${{ github.head_ref }}
      JOB_NAME: build-job-java
      CREDS: ${{ secrets.JENKINS_CREDS }}
    steps:
      - name: Trigger Jenkins Job
        id: trigger
        run: |
          echo -n "BUILD_URL=$(curl -i -s -u $CREDS $JENKINS_URL | grep "location" | awk '{printf $2}' | tr -d '\r')" >> $GITHUB_OUTPUT
          if [[ $? != 0 ]]; then
            echo "API request failed. Please check the Jenkins URL and API token."
            exit 1
          fi  
      - name: Get the Jenkin job Execution URL
        id: get_executable_url
        env:
          JOB_URL: ${{ steps.trigger.outputs.BUILD_URL }}api/json
        run: |
          echo "Build Job Queue URL received on Jenkins trigger: $JOB_URL"
          EXECUTABLE_URL=$(curl -s -u $CREDS $JOB_URL | jq -r '.executable.url')
          if [[ $? != 0 ]]; then
            echo "API request failed. Please check the Jenkins URL and API token."
            exit 1
          fi           
          echo "Executable URL received on the first attempt: [$EXECUTABLE_URL]"
          while [[ "$EXECUTABLE_URL" == null ]]; do
            EXECUTABLE_URL=$(curl -s -u $CREDS $JOB_URL | jq -r '.executable.url')
            if [[ $? != 0 ]]; then
              echo "API request failed. Please check the Jenkins URL and API token."
              exit 1
            fi          
          done
          echo "POLLING_URL=$EXECUTABLE_URL" >> $GITHUB_OUTPUT
        
      - name: Wait for Jenkins Job to Complete
        id: status_check
        env:
          POLLING_URL: ${{ steps.get_executable_url.outputs.POLLING_URL }}api/json
        run: |        
          echo "Executable URL to be polled for the triggered Jenkins job: $POLLING_URL"
          status="UNKNOWN"
          while [[ $status != "SUCCESS" ]]; do
            sleep 20
            status=$(curl -s -u $CREDS $POLLING_URL | jq -r '.result')
            if [[ $? != 0 ]]; then
              echo "JSON data could not be parsed. Exiting..."
              exit 1
            fi
            echo "Result Polled on Job Executable URL: [$status]"            
            [ "$status" == null  ] && continue
            if [[ $status == "FAILURE" || $status == "NOT_BUILT" || $status == "ABORTED" || $status == "UNSTABLE" ]]; then
              echo "Jenkins job $JOB_NAME with Build URL $JOB_URL completed with status [$status]"
              exit 99
            fi
          done
          echo "Jenkins job $JOB_NAME with Build URL $JOB_URL completed with status $status"