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# 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.
from keystoneclient import base
class Limit(base.Resource):
"""Represents a project limit.
Attributes:
* id: a UUID that identifies the project limit
* service_id: a UUID that identifies the service for the limit
* region_id: a UUID that identifies the region for the limit
* project_id: a UUID that identifies the project for the limit
* resource_name: the name of the resource to limit
* resource_limit: the limit to apply to the project
* description: a description for the project limit
"""
pass
class LimitManager(base.CrudManager):
"""Manager class for project limits."""
resource_class = Limit
collection_key = 'limits'
key = 'limit'
def create(self, project, service, resource_name, resource_limit,
description=None, region=None, **kwargs):
"""Create a project-specific limit.
:param project: the project to create a limit for.
:type project: str or :class:`keystoneclient.v3.projects.Project`
:param service: the service that owns the resource to limit.
:type service: str or :class:`keystoneclient.v3.services.Service`
:param resource_name: the name of the resource to limit
:type resource_name: str
:param resource_limit: the quantity of the limit
:type resource_limit: int
:param description: a description of the limit
:type description: str
:param region: region the limit applies to
:type region: str or :class:`keystoneclient.v3.regions.Region`
:returns: a reference of the created limit
:rtype: :class:`keystoneclient.v3.limits.Limit`
"""
limit_data = base.filter_none(
project_id=base.getid(project),
service_id=base.getid(service),
resource_name=resource_name,
resource_limit=resource_limit,
description=description,
region_id=base.getid(region),
**kwargs
)
body = {self.collection_key: [limit_data]}
resp, body = self.client.post('/limits', body=body)
limit = body[self.collection_key].pop()
return self._prepare_return_value(resp,
self.resource_class(
self, limit))
def update(self, limit, project=None, service=None, resource_name=None,
resource_limit=None, description=None, **kwargs):
"""Update a project-specific limit.
:param limit: a limit to update
:param project: the project ID of the limit to update
:type project: str or :class:`keystoneclient.v3.projects.Project`
:param resource_limit: the limit of the limit's resource to update
:type: resource_limit: int
:param description: a description of the limit
:type description: str
:returns: a reference of the updated limit.
:rtype: :class:`keystoneclient.v3.limits.Limit`
"""
return super(LimitManager, self).update(
limit_id=base.getid(limit),
project_id=base.getid(project),
service_id=base.getid(service),
resource_name=resource_name,
resource_limit=resource_limit,
description=description,
**kwargs
)
def get(self, limit):
"""Retrieve a project limit.
:param limit:
the project-specific limit to be retrieved.
:type limit:
str or :class:`keystoneclient.v3.limit.Limit`
:returns: a project-specific limit
:rtype: :class:`keystoneclient.v3.limit.Limit`
"""
return super(LimitManager, self).get(limit_id=base.getid(limit))
def list(self, service=None, region=None, resource_name=None, **kwargs):
"""List project-specific limits.
Any parameter provided will be passed to the server as a filter
:param service: service to filter limits by
:type service: UUID or :class:`keystoneclient.v3.services.Service`
:param region: region to filter limits by
:type region: UUID or :class:`keystoneclient.v3.regions.Region`
:param resource_name: the name of the resource to filter limits by
:type resource_name: str
:returns: a list of project-specific limits.
:rtype: list of :class:`keystoneclient.v3.limits.Limit`
"""
return super(LimitManager, self).list(
service_id=base.getid(service),
region_id=base.getid(region),
resource_name=resource_name,
**kwargs
)
def delete(self, limit):
"""Delete a project-specific limit.
:param limit: the project-specific limit to be deleted.
:type limit: str or :class:`keystoneclient.v3.limit.Limit`
:returns: Response object with 204 status
:rtype: :class:`requests.models.Response`
"""
return super(LimitManager, self).delete(limit_id=base.getid(limit))
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