func storagePoolClusterConfigForEtag(dbConfig map[string]string) map[string]string {
	config := util.CopyConfig(dbConfig)
	for _, key := range db.StoragePoolNodeConfigKeys {
		delete(config, key)
	}
	return config
}
func storagePoolClusterConfigForEtag(dbConfig map[string]string) map[string]string {
	config := util.CopyConfig(dbConfig)
	for _, key := range db.StoragePoolNodeConfigKeys {
		delete(config, key)
	}
	return config
}
// This helper deletes any node-specific values from the config object, since
// they should not be part of the calculated etag.