multi-cloudbuild.yaml

- name: 'gcr.io/cloud-builders/gcloud'
    entrypoint: 'bash'
    args:
      - '-c'
      - |
        # File that contains failures.
        failure_file=failure.log
        touch ${failure_file}
  
        for d in portal/*/; do
          config="${d}cloudbuild.yaml"
          if [[ ! -f "${config}" ]]; then
            continue
          fi
          echo "Building $d ... "
          (
            logfile="${d::-1}.log" # Logfile for "foo/" builder is "foo.log".
            gcloud builds submit $d --config=${config} > ${logfile} 2>&1
            if [[ $? -ne 0 ]]; then
              echo "$d failed" | tee -a ${failure_file}
              cat ${logfile}
           fi
          ) &
        done

        wait

        # Check if there is any failure.
        if [[ -s ${failure_file} ]]; then
          echo
          echo "Some builds failed:"
          cat ${failure_file}
          echo "Exiting."
          exit 1
        fi

        echo "All builds succeeded."