RETIRED, Application Data Protection as a Service in OpenStack
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

132 lines
5.5 KiB

# 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.
import six
from karbor.common import constants
from karbor import exception
from karbor import resource
from karbor.services.protection.client_factory import ClientFactory
from karbor.services.protection import protectable_plugin
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
INVALID_IMAGE_STATUS = ['killed', 'deleted', 'pending_delete',
'deactivated']
class ImageProtectablePlugin(protectable_plugin.ProtectablePlugin):
"""Glance image protectable plugin"""
_SUPPORT_RESOURCE_TYPE = constants.IMAGE_RESOURCE_TYPE
def _glance_client(self, context):
self._glance_client_instance = ClientFactory.create_client(
'glance', context)
return self._glance_client_instance
def _nova_client(self, context):
self._nova_client_instance = ClientFactory.create_client(
'nova', context)
return self._nova_client_instance
def get_resource_type(self):
return self._SUPPORT_RESOURCE_TYPE
def get_parent_resource_types(self):
return (constants.SERVER_RESOURCE_TYPE,
constants.PROJECT_RESOURCE_TYPE,)
def list_resources(self, context, parameters=None):
try:
images = self._glance_client(context).images.list()
except Exception as e:
LOG.exception("List all images from glance failed.")
raise exception.ListProtectableResourceFailed(
type=self._SUPPORT_RESOURCE_TYPE,
reason=six.text_type(e))
else:
return [resource.Resource(type=self._SUPPORT_RESOURCE_TYPE,
id=image.id, name=image.name)
for image in images
if image.status not in INVALID_IMAGE_STATUS]
def _get_dependent_resources_by_server(self,
context,
parent_resource):
try:
server = self._nova_client(context).servers.get(parent_resource.id)
except Exception as e:
LOG.exception("List all server from nova failed.")
raise exception.ListProtectableResourceFailed(
type=self._SUPPORT_RESOURCE_TYPE,
reason=six.text_type(e))
if not server.image:
return []
try:
image = self._glance_client(context).images.get(server.image['id'])
except Exception as e:
LOG.exception("Getting image from glance failed.")
raise exception.ListProtectableResourceFailed(
type=self._SUPPORT_RESOURCE_TYPE,
reason=six.text_type(e))
return [resource.Resource(type=self._SUPPORT_RESOURCE_TYPE,
id=server.image['id'],
name=image.name,
extra_info={'server_id': server.id})]
def _get_dependent_resources_by_project(self,
context,
parent_resource):
try:
images = self._glance_client(context).images.list()
except Exception as e:
LOG.exception("List all images from glance failed.")
raise exception.ListProtectableResourceFailed(
type=self._SUPPORT_RESOURCE_TYPE,
reason=six.text_type(e))
else:
return [resource.Resource(type=self._SUPPORT_RESOURCE_TYPE,
id=image.id,
name=image.name)
for image in images
if image.owner == parent_resource.id
and image.status not in INVALID_IMAGE_STATUS]
def show_resource(self, context, resource_id, parameters=None):
try:
image = self._glance_client(context).images.get(resource_id)
except Exception as e:
LOG.exception("Show a image from glance failed.")
raise exception.ProtectableResourceNotFound(
id=resource_id,
type=self._SUPPORT_RESOURCE_TYPE,
reason=six.text_type(e))
else:
if image.status in INVALID_IMAGE_STATUS:
raise exception.ProtectableResourceInvalidStatus(
id=image.id, type=self._SUPPORT_RESOURCE_TYPE,
status=image.status)
return resource.Resource(type=self._SUPPORT_RESOURCE_TYPE,
id=image.id, name=image.name)
def get_dependent_resources(self, context, parent_resource):
if parent_resource.type == constants.SERVER_RESOURCE_TYPE:
return self._get_dependent_resources_by_server(context,
parent_resource)
if parent_resource.type == constants.PROJECT_RESOURCE_TYPE:
return self._get_dependent_resources_by_project(context,
parent_resource)
return []