keystone/keystone/catalog/controllers.py

458 lines
19 KiB
Python

# Copyright 2012 OpenStack Foundation
# Copyright 2012 Canonical Ltd.
#
# 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 six.moves import http_client
from keystone.catalog import schema
from keystone.common import controller
from keystone.common import utils
from keystone.common import validation
from keystone.common import wsgi
from keystone import exception
from keystone.i18n import _
from keystone import notifications
from keystone import resource
INTERFACES = ['public', 'internal', 'admin']
class RegionV3(controller.V3Controller):
collection_name = 'regions'
member_name = 'region'
def create_region_with_id(self, request, region_id, region):
"""Create a region with a user-specified ID.
This method is unprotected because it depends on ``self.create_region``
to enforce policy.
"""
if 'id' in region and region_id != region['id']:
raise exception.ValidationError(
_('Conflicting region IDs specified: '
'"%(url_id)s" != "%(ref_id)s"') % {
'url_id': region_id,
'ref_id': region['id']})
region['id'] = region_id
return self.create_region(request, region)
@controller.protected()
def create_region(self, request, region):
validation.lazy_validate(schema.region_create, region)
ref = self._normalize_dict(region)
if not ref.get('id'):
ref = self._assign_unique_id(ref)
ref = self.catalog_api.create_region(
ref, initiator=request.audit_initiator
)
return wsgi.render_response(
RegionV3.wrap_member(request.context_dict, ref),
status=(http_client.CREATED,
http_client.responses[http_client.CREATED]))
@controller.filterprotected('parent_region_id')
def list_regions(self, request, filters):
hints = RegionV3.build_driver_hints(request, filters)
refs = self.catalog_api.list_regions(hints)
return RegionV3.wrap_collection(request.context_dict,
refs,
hints=hints)
@controller.protected()
def get_region(self, request, region_id):
ref = self.catalog_api.get_region(region_id)
return RegionV3.wrap_member(request.context_dict, ref)
@controller.protected()
def update_region(self, request, region_id, region):
validation.lazy_validate(schema.region_update, region)
self._require_matching_id(region_id, region)
ref = self.catalog_api.update_region(region_id,
region,
initiator=request.audit_initiator)
return RegionV3.wrap_member(request.context_dict, ref)
@controller.protected()
def delete_region(self, request, region_id):
return self.catalog_api.delete_region(
region_id, initiator=request.audit_initiator
)
class ServiceV3(controller.V3Controller):
collection_name = 'services'
member_name = 'service'
def __init__(self):
super(ServiceV3, self).__init__()
self.get_member_from_driver = self.catalog_api.get_service
@controller.protected()
def create_service(self, request, service):
validation.lazy_validate(schema.service_create, service)
ref = self._assign_unique_id(self._normalize_dict(service))
ref = self.catalog_api.create_service(
ref['id'], ref, initiator=request.audit_initiator
)
return ServiceV3.wrap_member(request.context_dict, ref)
@controller.filterprotected('type', 'name')
def list_services(self, request, filters):
hints = ServiceV3.build_driver_hints(request, filters)
refs = self.catalog_api.list_services(hints=hints)
return ServiceV3.wrap_collection(request.context_dict,
refs,
hints=hints)
@controller.protected()
def get_service(self, request, service_id):
ref = self.catalog_api.get_service(service_id)
return ServiceV3.wrap_member(request.context_dict, ref)
@controller.protected()
def update_service(self, request, service_id, service):
validation.lazy_validate(schema.service_update, service)
self._require_matching_id(service_id, service)
ref = self.catalog_api.update_service(
service_id, service, initiator=request.audit_initiator
)
return ServiceV3.wrap_member(request.context_dict, ref)
@controller.protected()
def delete_service(self, request, service_id):
return self.catalog_api.delete_service(
service_id, initiator=request.audit_initiator
)
class EndpointV3(controller.V3Controller):
collection_name = 'endpoints'
member_name = 'endpoint'
def __init__(self):
super(EndpointV3, self).__init__()
self.get_member_from_driver = self.catalog_api.get_endpoint
@classmethod
def filter_endpoint(cls, ref):
if 'legacy_endpoint_id' in ref:
ref.pop('legacy_endpoint_id')
ref['region'] = ref['region_id']
return ref
@classmethod
def wrap_member(cls, context, ref):
ref = cls.filter_endpoint(ref)
return super(EndpointV3, cls).wrap_member(context, ref)
def _validate_endpoint_region(self, endpoint, request):
"""Ensure the region for the endpoint exists.
If 'region_id' is used to specify the region, then we will let the
manager/driver take care of this. If, however, 'region' is used,
then for backward compatibility, we will auto-create the region.
"""
if (endpoint.get('region_id') is None and
endpoint.get('region') is not None):
# To maintain backward compatibility with clients that are
# using the v3 API in the same way as they used the v2 API,
# create the endpoint region, if that region does not exist
# in keystone.
endpoint['region_id'] = endpoint.pop('region')
try:
self.catalog_api.get_region(endpoint['region_id'])
except exception.RegionNotFound:
region = dict(id=endpoint['region_id'])
self.catalog_api.create_region(
region, initiator=request.audit_initiator
)
return endpoint
@controller.protected()
def create_endpoint(self, request, endpoint):
validation.lazy_validate(schema.endpoint_create, endpoint)
utils.check_endpoint_url(endpoint['url'])
ref = self._assign_unique_id(self._normalize_dict(endpoint))
ref = self._validate_endpoint_region(ref, request)
ref = self.catalog_api.create_endpoint(
ref['id'], ref, initiator=request.audit_initiator
)
return EndpointV3.wrap_member(request.context_dict, ref)
@controller.filterprotected('interface', 'service_id', 'region_id')
def list_endpoints(self, request, filters):
hints = EndpointV3.build_driver_hints(request, filters)
refs = self.catalog_api.list_endpoints(hints=hints)
return EndpointV3.wrap_collection(request.context_dict,
refs,
hints=hints)
@controller.protected()
def get_endpoint(self, request, endpoint_id):
ref = self.catalog_api.get_endpoint(endpoint_id)
return EndpointV3.wrap_member(request.context_dict, ref)
@controller.protected()
def update_endpoint(self, request, endpoint_id, endpoint):
validation.lazy_validate(schema.endpoint_update, endpoint)
self._require_matching_id(endpoint_id, endpoint)
endpoint = self._validate_endpoint_region(endpoint.copy(),
request)
ref = self.catalog_api.update_endpoint(
endpoint_id, endpoint, initiator=request.audit_initiator
)
return EndpointV3.wrap_member(request.context_dict, ref)
@controller.protected()
def delete_endpoint(self, request, endpoint_id):
return self.catalog_api.delete_endpoint(
endpoint_id, initiator=request.audit_initiator
)
class EndpointFilterV3Controller(controller.V3Controller):
def __init__(self):
super(EndpointFilterV3Controller, self).__init__()
notifications.register_event_callback(
notifications.ACTIONS.deleted, 'project',
self._on_project_or_endpoint_delete)
notifications.register_event_callback(
notifications.ACTIONS.deleted, 'endpoint',
self._on_project_or_endpoint_delete)
def _on_project_or_endpoint_delete(self, service, resource_type, operation,
payload):
project_or_endpoint_id = payload['resource_info']
if resource_type == 'project':
self.catalog_api.delete_association_by_project(
project_or_endpoint_id)
else:
self.catalog_api.delete_association_by_endpoint(
project_or_endpoint_id)
@controller.protected()
def add_endpoint_to_project(self, request, project_id, endpoint_id):
"""Establish an association between an endpoint and a project."""
# NOTE(gyee): we just need to make sure endpoint and project exist
# first. We don't really care whether if project is disabled.
# The relationship can still be established even with a disabled
# project as there are no security implications.
self.catalog_api.get_endpoint(endpoint_id)
self.resource_api.get_project(project_id)
self.catalog_api.add_endpoint_to_project(endpoint_id,
project_id)
@controller.protected()
def check_endpoint_in_project(self, request, project_id, endpoint_id):
"""Verify endpoint is currently associated with given project."""
self.catalog_api.get_endpoint(endpoint_id)
self.resource_api.get_project(project_id)
self.catalog_api.check_endpoint_in_project(endpoint_id,
project_id)
@controller.protected()
def list_endpoints_for_project(self, request, project_id):
"""List all endpoints currently associated with a given project."""
self.resource_api.get_project(project_id)
filtered_endpoints = self.catalog_api.list_endpoints_for_project(
project_id)
return EndpointV3.wrap_collection(
request.context_dict,
[v for v in filtered_endpoints.values()])
@controller.protected()
def remove_endpoint_from_project(self, request, project_id, endpoint_id):
"""Remove the endpoint from the association with given project."""
self.catalog_api.remove_endpoint_from_project(endpoint_id,
project_id)
@controller.protected()
def list_projects_for_endpoint(self, request, endpoint_id):
"""Return a list of projects associated with the endpoint."""
self.catalog_api.get_endpoint(endpoint_id)
refs = self.catalog_api.list_projects_for_endpoint(endpoint_id)
projects = [self.resource_api.get_project(
ref['project_id']) for ref in refs]
return resource.controllers.ProjectV3.wrap_collection(
request.context_dict, projects)
class EndpointGroupV3Controller(controller.V3Controller):
collection_name = 'endpoint_groups'
member_name = 'endpoint_group'
VALID_FILTER_KEYS = ['service_id', 'region_id', 'interface']
def __init__(self):
super(EndpointGroupV3Controller, self).__init__()
@classmethod
def base_url(cls, context, path=None):
"""Construct a path and pass it to V3Controller.base_url method."""
path = '/OS-EP-FILTER/' + cls.collection_name
return super(EndpointGroupV3Controller, cls).base_url(context,
path=path)
@controller.protected()
def create_endpoint_group(self, request, endpoint_group):
"""Create an Endpoint Group with the associated filters."""
validation.lazy_validate(schema.endpoint_group_create, endpoint_group)
ref = self._assign_unique_id(self._normalize_dict(endpoint_group))
self._require_attribute(ref, 'filters')
self._require_valid_filter(ref)
ref = self.catalog_api.create_endpoint_group(ref['id'], ref)
return EndpointGroupV3Controller.wrap_member(request.context_dict, ref)
def _require_valid_filter(self, endpoint_group):
filters = endpoint_group.get('filters')
for key in filters.keys():
if key not in self.VALID_FILTER_KEYS:
raise exception.ValidationError(
attribute=self._valid_filter_keys(),
target='endpoint_group')
def _valid_filter_keys(self):
return ' or '.join(self.VALID_FILTER_KEYS)
@controller.protected()
def get_endpoint_group(self, request, endpoint_group_id):
"""Retrieve the endpoint group associated with the id if exists."""
ref = self.catalog_api.get_endpoint_group(endpoint_group_id)
return EndpointGroupV3Controller.wrap_member(
request.context_dict, ref)
@controller.protected()
def update_endpoint_group(self, request, endpoint_group_id,
endpoint_group):
"""Update fixed values and/or extend the filters."""
validation.lazy_validate(schema.endpoint_group_update, endpoint_group)
if 'filters' in endpoint_group:
self._require_valid_filter(endpoint_group)
ref = self.catalog_api.update_endpoint_group(endpoint_group_id,
endpoint_group)
return EndpointGroupV3Controller.wrap_member(
request.context_dict, ref)
@controller.protected()
def delete_endpoint_group(self, request, endpoint_group_id):
"""Delete endpoint_group."""
self.catalog_api.delete_endpoint_group(endpoint_group_id)
@controller.protected()
def list_endpoint_groups(self, request):
"""List all endpoint groups."""
refs = self.catalog_api.list_endpoint_groups()
return EndpointGroupV3Controller.wrap_collection(
request.context_dict, refs)
@controller.protected()
def list_endpoint_groups_for_project(self, request, project_id):
"""List all endpoint groups associated with a given project."""
return EndpointGroupV3Controller.wrap_collection(
request.context_dict,
self.catalog_api.get_endpoint_groups_for_project(project_id))
@controller.protected()
def list_projects_associated_with_endpoint_group(self,
request,
endpoint_group_id):
"""List all projects associated with endpoint group."""
endpoint_group_refs = (self.catalog_api.
list_projects_associated_with_endpoint_group(
endpoint_group_id))
projects = []
for endpoint_group_ref in endpoint_group_refs:
project = self.resource_api.get_project(
endpoint_group_ref['project_id'])
if project:
projects.append(project)
return resource.controllers.ProjectV3.wrap_collection(
request.context_dict, projects)
@controller.protected()
def list_endpoints_associated_with_endpoint_group(self,
request,
endpoint_group_id):
"""List all the endpoints filtered by a specific endpoint group."""
filtered_endpoints = (self.catalog_api.
get_endpoints_filtered_by_endpoint_group(
endpoint_group_id))
return EndpointV3.wrap_collection(request.context_dict,
filtered_endpoints)
class ProjectEndpointGroupV3Controller(controller.V3Controller):
collection_name = 'project_endpoint_groups'
member_name = 'project_endpoint_group'
def __init__(self):
super(ProjectEndpointGroupV3Controller, self).__init__()
notifications.register_event_callback(
notifications.ACTIONS.deleted, 'project',
self._on_project_delete)
def _on_project_delete(self, service, resource_type,
operation, payload):
project_id = payload['resource_info']
self.catalog_api.delete_endpoint_group_association_by_project(
project_id)
@controller.protected()
def get_endpoint_group_in_project(self, request, endpoint_group_id,
project_id):
"""Retrieve the endpoint group associated with the id if exists."""
self.resource_api.get_project(project_id)
self.catalog_api.get_endpoint_group(endpoint_group_id)
ref = self.catalog_api.get_endpoint_group_in_project(
endpoint_group_id, project_id)
return ProjectEndpointGroupV3Controller.wrap_member(
request.context_dict, ref)
@controller.protected()
def add_endpoint_group_to_project(self, request, endpoint_group_id,
project_id):
"""Create an association between an endpoint group and project."""
self.resource_api.get_project(project_id)
self.catalog_api.get_endpoint_group(endpoint_group_id)
self.catalog_api.add_endpoint_group_to_project(
endpoint_group_id, project_id)
@controller.protected()
def remove_endpoint_group_from_project(self, request, endpoint_group_id,
project_id):
"""Remove the endpoint group from associated project."""
self.resource_api.get_project(project_id)
self.catalog_api.get_endpoint_group(endpoint_group_id)
self.catalog_api.remove_endpoint_group_from_project(
endpoint_group_id, project_id)
@classmethod
def _add_self_referential_link(cls, context, ref):
url = ('/OS-EP-FILTER/endpoint_groups/%(endpoint_group_id)s'
'/projects/%(project_id)s' % {
'endpoint_group_id': ref['endpoint_group_id'],
'project_id': ref['project_id']})
ref.setdefault('links', {})
ref['links']['self'] = url