cinder/cinder/volume/drivers/coprhd/helpers/urihelper.py

83 lines
2.7 KiB
Python

# Copyright (c) 2016 EMC Corporation
# All Rights Reserved.
#
# 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.
class URIHelper(object):
"""This map will be a map of maps.
e.g for project component type, it will hold a map
of its operations vs their uris
"""
COMPONENT_TYPE_VS_URIS_MAP = dict()
"""Volume URIs."""
VOLUME_URIS_MAP = dict()
URI_VOLUMES = '/block/volumes'
URI_VOLUME = URI_VOLUMES + '/{0}'
URI_VOLUME_TASK_LIST = URI_VOLUME + '/tasks'
URI_VOLUME_TASK = URI_VOLUME_TASK_LIST + '/{1}'
"""Consistencygroup URIs."""
CG_URIS_MAP = dict()
URI_CGS = '/block/consistency-groups'
URI_CG = URI_CGS + '/{0}'
URI_CG_TASK_LIST = URI_CG + '/tasks'
URI_CG_TASK = URI_CG_TASK_LIST + '/{1}'
"""Export Group URIs."""
# Map to hold all export group uris
EXPORT_GROUP_URIS_MAP = dict()
URI_EXPORT_GROUP_TASKS_LIST = '/block/exports/{0}/tasks'
URI_EXPORT_GROUP_TASK = URI_EXPORT_GROUP_TASKS_LIST + '/{1}'
def __init__(self):
"""During initialization of the class, lets fill all the maps."""
self.__fillExportGroupMap()
self.__fillVolumeMap()
self.__fillConsistencyGroupMap()
self.__initializeComponentVsUriMap()
def __call__(self):
return self
def __initializeComponentVsUriMap(self):
self.COMPONENT_TYPE_VS_URIS_MAP["export"] = self.EXPORT_GROUP_URIS_MAP
self.COMPONENT_TYPE_VS_URIS_MAP[
"volume"] = self.VOLUME_URIS_MAP
self.COMPONENT_TYPE_VS_URIS_MAP[
"consistencygroup"] = self.CG_URIS_MAP
def __fillExportGroupMap(self):
self.EXPORT_GROUP_URIS_MAP["task"] = self.URI_EXPORT_GROUP_TASK
def __fillVolumeMap(self):
self.VOLUME_URIS_MAP["task"] = self.URI_VOLUME_TASK
def __fillConsistencyGroupMap(self):
self.CG_URIS_MAP["task"] = self.URI_CG_TASK
def getUri(self, componentType, operationType):
return (
self.COMPONENT_TYPE_VS_URIS_MAP.get(
componentType).get(
operationType)
)
"""Defining the singleton instance.
Use this instance any time the access is required for this module/class
"""
singletonURIHelperInstance = URIHelper()