src/utils.js
function getSystemBucket(config) {
  let bucket = get(config, 'buckets.internal');
  if (bucket && typeof bucket === 'string') {
    return bucket;
  }

  bucket = get(config, 'system_bucket');
  if (bucket && typeof bucket === 'string') {
    return bucket;
  }
  return undefined;
}
function getSystemBucket(config) {
  let bucket = get(config, 'buckets.internal');
  if (bucket && typeof bucket === 'string') {
    return bucket;
  }

  bucket = get(config, 'system_bucket');
  if (bucket && typeof bucket === 'string') {
    return bucket;
  }
  return undefined;
}
Discover and returns the system bucket used for deployment

@param {Object} config - cumulus config object
@returns {string} name of the bucket