trove-dashboard/trove_dashboard/content/databases/db_capability.py

68 lines
2.1 KiB
Python

# Copyright 2015 Tesora Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
CASSANDRA = "cassandra"
MARIA = "maria"
MONGODB = "mongodb"
MYSQL = "mysql"
PERCONA = "percona"
PERCONA_CLUSTER = "pxc"
REDIS = "redis"
VERTICA = "vertica"
_mysql_compatible_datastores = (MYSQL, MARIA, PERCONA, PERCONA_CLUSTER)
_cluster_capable_datastores = (CASSANDRA, MARIA, MONGODB, PERCONA_CLUSTER,
REDIS, VERTICA)
_cluster_grow_shrink_capable_datastores = (CASSANDRA, MARIA, MONGODB,
PERCONA_CLUSTER, REDIS)
def can_modify_cluster(datastore):
return _is_datastore_in_list(datastore,
_cluster_grow_shrink_capable_datastores)
def is_mongodb_datastore(datastore):
return (datastore is not None) and (MONGODB in datastore.lower())
def is_percona_cluster_datastore(datastore):
return (datastore is not None) and (PERCONA_CLUSTER in datastore.lower())
def is_redis_datastore(datastore):
return (datastore is not None) and (REDIS in datastore.lower())
def is_vertica_datastore(datastore):
return (datastore is not None) and (VERTICA in datastore.lower())
def is_mysql_compatible(datastore):
return _is_datastore_in_list(datastore, _mysql_compatible_datastores)
def is_cluster_capable_datastore(datastore):
return _is_datastore_in_list(datastore, _cluster_capable_datastores)
def _is_datastore_in_list(datastore, datastores):
if datastore is not None:
datastore_lower = datastore.lower()
for ds in datastores:
if ds in datastore_lower:
return True
return False