cloudbuild.yaml

steps:
- name: 'gcr.io/cloud-builders/gcloud'
  entrypoint: 'bash'
  args:
  - '-c'
  - |
    # File that contains failures.
    failure_file=failure.log
    touch ${failure_file}

    for d in src/cmd/*/; do
      config="${d}cloudbuild.yaml"
      if [[ ! -f "${config}" ]]; then
        continue
      fi

      echo "Building $d ... "
      (
        logfile="${d::-1}.log"
        gcloud builds submit --config=${config} --project=${PROJECT_ID} --substitutions=_OUTPUT_PROJECT=${_OUTPUT_PROJECT},TAG_NAME=${COMMIT_SHA} > ${logfile} 2>&1
        if [[ $? -ne 0 ]]; then
          echo "$d failed" | tee -a ${failure_file}
          cat ${logfile}
        else
          echo "$d finished"
        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."

timeout: 7200s