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# Copyright 2014 IBM Corp.
#
# 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
from keystoneclient.i18n import _
from keystoneclient.v3 import endpoints
from keystoneclient.v3 import policies
class EndpointPolicyManager(base.Manager):
"""Manager class for manipulating endpoint-policy associations."""
OS_EP_POLICY_EXT = 'OS-ENDPOINT-POLICY'
def _act_on_policy_association_for_endpoint(
self, policy, endpoint, action):
if not (policy and endpoint):
raise ValueError(_('policy and endpoint are required'))
policy_id = base.getid(policy)
endpoint_id = base.getid(endpoint)
url = ('/policies/%(policy_id)s/%(ext_name)s'
'/endpoints/%(endpoint_id)s') % {
'policy_id': policy_id,
'ext_name': self.OS_EP_POLICY_EXT,
'endpoint_id': endpoint_id}
return action(url=url)
def create_policy_association_for_endpoint(self, policy, endpoint):
"""Create an association between a policy and an endpoint."""
self._act_on_policy_association_for_endpoint(
policy, endpoint, self._put)
def check_policy_association_for_endpoint(self, policy, endpoint):
"""Check an association between a policy and an endpoint."""
self._act_on_policy_association_for_endpoint(
policy, endpoint, self._head)
def delete_policy_association_for_endpoint(self, policy, endpoint):
"""Delete an association between a policy and an endpoint."""
self._act_on_policy_association_for_endpoint(
policy, endpoint, self._delete)
def _act_on_policy_association_for_service(self, policy, service, action):
if not (policy and service):
raise ValueError(_('policy and service are required'))
policy_id = base.getid(policy)
service_id = base.getid(service)
url = ('/policies/%(policy_id)s/%(ext_name)s'
'/services/%(service_id)s') % {
'policy_id': policy_id,
'ext_name': self.OS_EP_POLICY_EXT,
'service_id': service_id}
return action(url=url)
def create_policy_association_for_service(self, policy, service):
"""Create an association between a policy and a service."""
self._act_on_policy_association_for_service(
policy, service, self._put)
def check_policy_association_for_service(self, policy, service):
"""Check an association between a policy and a service."""
self._act_on_policy_association_for_service(
policy, service, self._head)
def delete_policy_association_for_service(self, policy, service):
"""Delete an association between a policy and a service."""
self._act_on_policy_association_for_service(
policy, service, self._delete)
def _act_on_policy_association_for_region_and_service(
self, policy, region, service, action):
if not (policy and region and service):
raise ValueError(_('policy, region and service are required'))
policy_id = base.getid(policy)
region_id = base.getid(region)
service_id = base.getid(service)
url = ('/policies/%(policy_id)s/%(ext_name)s'
'/services/%(service_id)s/regions/%(region_id)s') % {
'policy_id': policy_id,
'ext_name': self.OS_EP_POLICY_EXT,
'service_id': service_id,
'region_id': region_id}
return action(url=url)
def create_policy_association_for_region_and_service(
self, policy, region, service):
"""Create an association between a policy and a service in a region."""
self._act_on_policy_association_for_region_and_service(
policy, region, service, self._put)
def check_policy_association_for_region_and_service(
self, policy, region, service):
"""Check an association between a policy and a service in a region."""
self._act_on_policy_association_for_region_and_service(
policy, region, service, self._head)
def delete_policy_association_for_region_and_service(
self, policy, region, service):
"""Delete an association between a policy and a service in a region."""
self._act_on_policy_association_for_region_and_service(
policy, region, service, self._delete)
def get_policy_for_endpoint(self, endpoint):
"""Get the effective policy for an endpoint.
:param endpoint: endpoint object or ID
:returns: policies.Policy object
"""
if not endpoint:
raise ValueError(_('endpoint is required'))
endpoint_id = base.getid(endpoint)
url = ('/endpoints/%(endpoint_id)s/%(ext_name)s/policy') % {
'endpoint_id': endpoint_id,
'ext_name': self.OS_EP_POLICY_EXT}
_resp, body = self.client.get(url)
return policies.Policy(
self, body[policies.PolicyManager.key], loaded=True)
def list_endpoints_for_policy(self, policy):
"""List endpoints with the effective association to a policy.
:param policy: policy object or ID
:returns: list of endpoints that are associated with the policy
"""
if not policy:
raise ValueError(_('policy is required'))
policy_id = base.getid(policy)
url = ('/policies/%(policy_id)s/%(ext_name)s/endpoints') % {
'policy_id': policy_id,
'ext_name': self.OS_EP_POLICY_EXT}
return self._list(
url,
endpoints.EndpointManager.collection_key,
obj_class=endpoints.EndpointManager.resource_class)
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