Function _listRunningInstances

functions/billing/index.js:150–158

(projectId, zone)

 * @return {Promise} Array of names of running instances
 */
const _listRunningInstances = async (projectId, zone) => {
  const [instances] = await instancesClient.list({
    project: projectId,
    zone: zone,
  });
  return instances
    .filter(item => item.status === 'RUNNING')
    .map(item => item.name);
};

/**
 * @param {Array} instanceNames Names of instance to stop