Function _startInstances

functions/billing/index.js:208–221

(projectId, zone, instanceNames)

 * @return {Promise} Response from stopping instances
 */
const _startInstances = async (projectId, zone, instanceNames) => {
  if (!instanceNames.length) {
    return 'No stopped instances were found.';
  }
  await Promise.all(
    instanceNames.map(instanceName => {
      return instancesClient.start({
        project: projectId,
        zone: zone,
        instance: instanceName,
      });
    })
  );
};

// Helper function used in tests
exports.listRunningInstances = async () => {