742 lines
28 KiB
Python
742 lines
28 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from oslo.config import cfg
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from oslo.serialization import jsonutils
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import six
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import six.moves.urllib.parse as urlparse
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import webob.exc
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from wsme.rest import json
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from glance.api import policy
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from glance.api.v2.model.metadef_namespace import Namespace
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from glance.api.v2.model.metadef_namespace import Namespaces
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from glance.api.v2.model.metadef_object import MetadefObject
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from glance.api.v2.model.metadef_property_type import PropertyType
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from glance.api.v2.model.metadef_resource_type import ResourceTypeAssociation
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from glance.common import exception
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from glance.common import utils
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from glance.common import wsgi
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from glance.common import wsme_utils
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import glance.db
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import glance.gateway
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from glance import i18n
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import glance.notifier
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import glance.openstack.common.log as logging
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import glance.schema
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LOG = logging.getLogger(__name__)
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_LE = i18n._LE
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_LW = i18n._LW
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_LI = i18n._LI
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CONF = cfg.CONF
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class NamespaceController(object):
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def __init__(self, db_api=None, policy_enforcer=None):
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self.db_api = db_api or glance.db.get_api()
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self.policy = policy_enforcer or policy.Enforcer()
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self.gateway = glance.gateway.Gateway(db_api=self.db_api,
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policy_enforcer=self.policy)
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self.ns_schema_link = '/v2/schemas/metadefs/namespace'
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self.obj_schema_link = '/v2/schemas/metadefs/object'
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def index(self, req, marker=None, limit=None, sort_key='created_at',
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sort_dir='desc', filters=None):
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try:
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ns_repo = self.gateway.get_metadef_namespace_repo(req.context)
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# Get namespace id
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if marker:
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namespace_obj = ns_repo.get(marker)
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marker = namespace_obj.namespace_id
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database_ns_list = ns_repo.list(
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marker=marker, limit=limit, sort_key=sort_key,
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sort_dir=sort_dir, filters=filters)
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for db_namespace in database_ns_list:
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# Get resource type associations
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filters = dict()
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filters['namespace'] = db_namespace.namespace
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rs_repo = (
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self.gateway.get_metadef_resource_type_repo(req.context))
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repo_rs_type_list = rs_repo.list(filters=filters)
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resource_type_list = [ResourceTypeAssociation.to_wsme_model(
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resource_type) for resource_type in repo_rs_type_list]
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if resource_type_list:
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db_namespace.resource_type_associations = (
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resource_type_list)
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namespace_list = [Namespace.to_wsme_model(
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db_namespace,
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get_namespace_href(db_namespace),
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self.ns_schema_link) for db_namespace in database_ns_list]
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namespaces = Namespaces()
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namespaces.namespaces = namespace_list
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if len(namespace_list) != 0 and len(namespace_list) == limit:
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namespaces.next = namespace_list[-1].namespace
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except exception.Forbidden as e:
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raise webob.exc.HTTPForbidden(explanation=e.msg)
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except exception.NotFound as e:
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raise webob.exc.HTTPNotFound(explanation=e.msg)
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except Exception as e:
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LOG.error(utils.exception_to_str(e))
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raise webob.exc.HTTPInternalServerError()
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return namespaces
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@utils.mutating
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def create(self, req, namespace):
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try:
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namespace_created = False
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# Create Namespace
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ns_factory = self.gateway.get_metadef_namespace_factory(
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req.context)
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ns_repo = self.gateway.get_metadef_namespace_repo(req.context)
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new_namespace = ns_factory.new_namespace(**namespace.to_dict())
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ns_repo.add(new_namespace)
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namespace_created = True
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# Create Resource Types
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rs_factory = (
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self.gateway.get_metadef_resource_type_factory(req.context))
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rs_repo = self.gateway.get_metadef_resource_type_repo(req.context)
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if namespace.resource_type_associations:
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for resource_type in namespace.resource_type_associations:
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new_resource = rs_factory.new_resource_type(
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namespace=namespace.namespace,
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**resource_type.to_dict())
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rs_repo.add(new_resource)
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# Create Objects
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object_factory = self.gateway.get_metadef_object_factory(
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req.context)
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object_repo = self.gateway.get_metadef_object_repo(req.context)
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if namespace.objects:
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for metadata_object in namespace.objects:
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new_meta_object = object_factory.new_object(
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namespace=namespace.namespace,
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**metadata_object.to_dict())
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object_repo.add(new_meta_object)
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# Create Namespace Properties
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prop_factory = (
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self.gateway.get_metadef_property_factory(req.context))
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prop_repo = self.gateway.get_metadef_property_repo(req.context)
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if namespace.properties:
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for (name, value) in namespace.properties.items():
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new_property_type = (
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prop_factory.new_namespace_property(
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namespace=namespace.namespace,
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**self._to_property_dict(name, value)
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))
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prop_repo.add(new_property_type)
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except exception.Forbidden as e:
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self._cleanup_namespace(ns_repo, namespace, namespace_created)
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raise webob.exc.HTTPForbidden(explanation=e.msg)
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except exception.NotFound as e:
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self._cleanup_namespace(ns_repo, namespace, namespace_created)
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raise webob.exc.HTTPNotFound(explanation=e.msg)
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except exception.Duplicate as e:
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self._cleanup_namespace(ns_repo, namespace, namespace_created)
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raise webob.exc.HTTPConflict(explanation=e.msg)
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except Exception as e:
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LOG.error(utils.exception_to_str(e))
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raise webob.exc.HTTPInternalServerError()
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# Return the user namespace as we don't expose the id to user
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new_namespace.properties = namespace.properties
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new_namespace.objects = namespace.objects
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new_namespace.resource_type_associations = (
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namespace.resource_type_associations)
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return Namespace.to_wsme_model(new_namespace,
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get_namespace_href(new_namespace),
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self.ns_schema_link)
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def _to_property_dict(self, name, value):
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# Convert the model PropertyTypes dict to a JSON string
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db_property_type_dict = dict()
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db_property_type_dict['schema'] = json.tojson(PropertyType, value)
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db_property_type_dict['name'] = name
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return db_property_type_dict
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def _cleanup_namespace(self, namespace_repo, namespace, namespace_created):
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if namespace_created:
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try:
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namespace_obj = namespace_repo.get(namespace.namespace)
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namespace_obj.delete()
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namespace_repo.remove(namespace_obj)
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msg = ("Cleaned up namespace %(namespace)s "
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% {'namespace': namespace.namespace})
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LOG.debug(msg)
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except exception:
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msg = (_LE("Failed to delete namespace %(namespace)s ") %
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{'namespace': namespace.namespace})
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LOG.error(msg)
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def show(self, req, namespace, filters=None):
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try:
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# Get namespace
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ns_repo = self.gateway.get_metadef_namespace_repo(req.context)
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namespace_obj = ns_repo.get(namespace)
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namespace_detail = Namespace.to_wsme_model(
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namespace_obj,
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get_namespace_href(namespace_obj),
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self.ns_schema_link)
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ns_filters = dict()
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ns_filters['namespace'] = namespace
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# Get objects
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object_repo = self.gateway.get_metadef_object_repo(req.context)
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db_metaobject_list = object_repo.list(filters=ns_filters)
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object_list = [MetadefObject.to_wsme_model(
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db_metaobject,
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get_object_href(namespace, db_metaobject),
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self.obj_schema_link) for db_metaobject in db_metaobject_list]
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if object_list:
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namespace_detail.objects = object_list
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# Get resource type associations
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rs_repo = self.gateway.get_metadef_resource_type_repo(req.context)
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db_resource_type_list = rs_repo.list(filters=ns_filters)
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resource_type_list = [ResourceTypeAssociation.to_wsme_model(
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resource_type) for resource_type in db_resource_type_list]
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if resource_type_list:
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namespace_detail.resource_type_associations = (
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resource_type_list)
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# Get properties
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prop_repo = self.gateway.get_metadef_property_repo(req.context)
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db_properties = prop_repo.list(filters=ns_filters)
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property_list = Namespace.to_model_properties(db_properties)
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if property_list:
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namespace_detail.properties = property_list
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if filters and filters['resource_type']:
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namespace_detail = self._prefix_property_name(
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namespace_detail, filters['resource_type'])
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except exception.Forbidden as e:
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raise webob.exc.HTTPForbidden(explanation=e.msg)
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except exception.NotFound as e:
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raise webob.exc.HTTPNotFound(explanation=e.msg)
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except Exception as e:
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LOG.error(utils.exception_to_str(e))
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raise webob.exc.HTTPInternalServerError()
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return namespace_detail
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def update(self, req, user_ns, namespace):
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namespace_repo = self.gateway.get_metadef_namespace_repo(req.context)
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try:
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ns_obj = namespace_repo.get(namespace)
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ns_obj.namespace = wsme_utils._get_value(user_ns.namespace)
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ns_obj.display_name = wsme_utils._get_value(user_ns.display_name)
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ns_obj.description = wsme_utils._get_value(user_ns.description)
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# Following optional fields will default to same values as in
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# create namespace if not specified
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ns_obj.visibility = (
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wsme_utils._get_value(user_ns.visibility) or 'private')
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ns_obj.protected = (
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wsme_utils._get_value(user_ns.protected) or False)
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ns_obj.owner = (
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wsme_utils._get_value(user_ns.owner) or req.context.owner)
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updated_namespace = namespace_repo.save(ns_obj)
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except exception.Forbidden as e:
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raise webob.exc.HTTPForbidden(explanation=e.msg)
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except exception.NotFound as e:
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raise webob.exc.HTTPNotFound(explanation=e.msg)
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except exception.Duplicate as e:
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raise webob.exc.HTTPConflict(explanation=e.msg)
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except Exception as e:
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LOG.error(utils.exception_to_str(e))
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raise webob.exc.HTTPInternalServerError()
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return Namespace.to_wsme_model(updated_namespace,
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get_namespace_href(updated_namespace),
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self.ns_schema_link)
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def delete(self, req, namespace):
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namespace_repo = self.gateway.get_metadef_namespace_repo(req.context)
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try:
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namespace_obj = namespace_repo.get(namespace)
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namespace_obj.delete()
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namespace_repo.remove(namespace_obj)
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except exception.Forbidden as e:
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raise webob.exc.HTTPForbidden(explanation=e.msg)
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except exception.NotFound as e:
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raise webob.exc.HTTPNotFound(explanation=e.msg)
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except Exception as e:
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LOG.error(utils.exception_to_str(e))
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raise webob.exc.HTTPInternalServerError()
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def delete_objects(self, req, namespace):
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ns_repo = self.gateway.get_metadef_namespace_repo(req.context)
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try:
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namespace_obj = ns_repo.get(namespace)
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namespace_obj.delete()
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ns_repo.remove_objects(namespace_obj)
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except exception.Forbidden as e:
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raise webob.exc.HTTPForbidden(explanation=e.msg)
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except exception.NotFound as e:
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raise webob.exc.HTTPNotFound(explanation=e.msg)
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except Exception as e:
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LOG.error(utils.exception_to_str(e))
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raise webob.exc.HTTPInternalServerError()
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def delete_properties(self, req, namespace):
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ns_repo = self.gateway.get_metadef_namespace_repo(req.context)
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try:
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namespace_obj = ns_repo.get(namespace)
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namespace_obj.delete()
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ns_repo.remove_properties(namespace_obj)
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except exception.Forbidden as e:
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raise webob.exc.HTTPForbidden(explanation=e.msg)
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except exception.NotFound as e:
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raise webob.exc.HTTPNotFound(explanation=e.msg)
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except Exception as e:
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LOG.error(utils.exception_to_str(e))
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raise webob.exc.HTTPInternalServerError()
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def _prefix_property_name(self, namespace_detail, user_resource_type):
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prefix = None
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if user_resource_type and namespace_detail.resource_type_associations:
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for resource_type in namespace_detail.resource_type_associations:
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if resource_type.name == user_resource_type:
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prefix = resource_type.prefix
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break
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if prefix:
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if namespace_detail.properties:
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new_property_dict = dict()
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for (key, value) in namespace_detail.properties.items():
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new_property_dict[prefix + key] = value
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namespace_detail.properties = new_property_dict
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if namespace_detail.objects:
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for object in namespace_detail.objects:
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new_object_property_dict = dict()
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for (key, value) in object.properties.items():
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new_object_property_dict[prefix + key] = value
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object.properties = new_object_property_dict
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if object.required and len(object.required) > 0:
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required = [prefix + name for name in object.required]
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object.required = required
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return namespace_detail
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class RequestDeserializer(wsgi.JSONRequestDeserializer):
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_disallowed_properties = ['self', 'schema', 'created_at', 'updated_at']
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def __init__(self, schema=None):
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super(RequestDeserializer, self).__init__()
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self.schema = schema or get_schema()
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def _get_request_body(self, request):
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output = super(RequestDeserializer, self).default(request)
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if 'body' not in output:
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msg = _('Body expected in request.')
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raise webob.exc.HTTPBadRequest(explanation=msg)
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return output['body']
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@classmethod
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def _check_allowed(cls, image):
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for key in cls._disallowed_properties:
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if key in image:
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msg = _("Attribute '%s' is read-only.") % key
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raise webob.exc.HTTPForbidden(explanation=msg)
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def index(self, request):
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params = request.params.copy()
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limit = params.pop('limit', None)
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marker = params.pop('marker', None)
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sort_dir = params.pop('sort_dir', 'desc')
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if limit is None:
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limit = CONF.limit_param_default
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limit = min(CONF.api_limit_max, int(limit))
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query_params = {
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'sort_key': params.pop('sort_key', 'created_at'),
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'sort_dir': self._validate_sort_dir(sort_dir),
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'filters': self._get_filters(params)
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}
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if marker is not None:
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query_params['marker'] = marker
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if limit is not None:
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query_params['limit'] = self._validate_limit(limit)
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return query_params
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def _validate_sort_dir(self, sort_dir):
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if sort_dir not in ['asc', 'desc']:
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msg = _('Invalid sort direction: %s') % sort_dir
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raise webob.exc.HTTPBadRequest(explanation=msg)
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return sort_dir
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def _get_filters(self, filters):
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visibility = filters.get('visibility')
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if visibility:
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if visibility not in ['public', 'private']:
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msg = _('Invalid visibility value: %s') % visibility
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raise webob.exc.HTTPBadRequest(explanation=msg)
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return filters
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def _validate_limit(self, limit):
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try:
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limit = int(limit)
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except ValueError:
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msg = _("limit param must be an integer")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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if limit < 0:
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msg = _("limit param must be positive")
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raise webob.exc.HTTPBadRequest(explanation=msg)
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return limit
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def show(self, request):
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params = request.params.copy()
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query_params = {
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'filters': self._get_filters(params)
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}
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return query_params
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def create(self, request):
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body = self._get_request_body(request)
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self._check_allowed(body)
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try:
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self.schema.validate(body)
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except exception.InvalidObject as e:
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raise webob.exc.HTTPBadRequest(explanation=e.msg)
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namespace = json.fromjson(Namespace, body)
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return dict(namespace=namespace)
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def update(self, request):
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body = self._get_request_body(request)
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self._check_allowed(body)
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try:
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self.schema.validate(body)
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except exception.InvalidObject as e:
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raise webob.exc.HTTPBadRequest(explanation=e.msg)
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namespace = json.fromjson(Namespace, body)
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return dict(user_ns=namespace)
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|
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|
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class ResponseSerializer(wsgi.JSONResponseSerializer):
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def __init__(self, schema=None):
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super(ResponseSerializer, self).__init__()
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self.schema = schema
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def create(self, response, namespace):
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ns_json = json.tojson(Namespace, namespace)
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response = self.__render(ns_json, response, 201)
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response.location = get_namespace_href(namespace)
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def show(self, response, namespace):
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ns_json = json.tojson(Namespace, namespace)
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response = self.__render(ns_json, response)
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def index(self, response, result):
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params = dict(response.request.params)
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params.pop('marker', None)
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query = urlparse.urlencode(params)
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result.first = "/v2/metadefs/namespaces"
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result.schema = "/v2/schemas/metadefs/namespaces"
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if query:
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result.first = '%s?%s' % (result.first, query)
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if result.next:
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params['marker'] = result.next
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next_query = urlparse.urlencode(params)
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result.next = '/v2/metadefs/namespaces?%s' % next_query
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ns_json = json.tojson(Namespaces, result)
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response = self.__render(ns_json, response)
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def update(self, response, namespace):
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ns_json = json.tojson(Namespace, namespace)
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response = self.__render(ns_json, response, 200)
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|
|
|
def delete(self, response, result):
|
|
response.status_int = 204
|
|
|
|
def delete_objects(self, response, result):
|
|
response.status_int = 204
|
|
|
|
def delete_properties(self, response, result):
|
|
response.status_int = 204
|
|
|
|
def __render(self, json_data, response, response_status=None):
|
|
body = jsonutils.dumps(json_data, ensure_ascii=False)
|
|
response.unicode_body = six.text_type(body)
|
|
response.content_type = 'application/json'
|
|
if response_status:
|
|
response.status_int = response_status
|
|
return response
|
|
|
|
|
|
def _get_base_definitions():
|
|
return get_schema_definitions()
|
|
|
|
|
|
def get_schema_definitions():
|
|
return {
|
|
"positiveInteger": {
|
|
"type": "integer",
|
|
"minimum": 0
|
|
},
|
|
"positiveIntegerDefault0": {
|
|
"allOf": [
|
|
{"$ref": "#/definitions/positiveInteger"},
|
|
{"default": 0}
|
|
]
|
|
},
|
|
"stringArray": {
|
|
"type": "array",
|
|
"items": {"type": "string"},
|
|
# "minItems": 1,
|
|
"uniqueItems": True
|
|
},
|
|
"property": {
|
|
"type": "object",
|
|
"additionalProperties": {
|
|
"type": "object",
|
|
"required": ["title", "type"],
|
|
"properties": {
|
|
"name": {
|
|
"type": "string"
|
|
},
|
|
"title": {
|
|
"type": "string"
|
|
},
|
|
"description": {
|
|
"type": "string"
|
|
},
|
|
"type": {
|
|
"type": "string",
|
|
"enum": [
|
|
"array",
|
|
"boolean",
|
|
"integer",
|
|
"number",
|
|
"object",
|
|
"string",
|
|
None
|
|
]
|
|
},
|
|
"required": {
|
|
"$ref": "#/definitions/stringArray"
|
|
},
|
|
"minimum": {
|
|
"type": "number"
|
|
},
|
|
"maximum": {
|
|
"type": "number"
|
|
},
|
|
"maxLength": {
|
|
"$ref": "#/definitions/positiveInteger"
|
|
},
|
|
"minLength": {
|
|
"$ref": "#/definitions/positiveIntegerDefault0"
|
|
},
|
|
"pattern": {
|
|
"type": "string",
|
|
"format": "regex"
|
|
},
|
|
"enum": {
|
|
"type": "array"
|
|
},
|
|
"readonly": {
|
|
"type": "boolean"
|
|
},
|
|
"default": {},
|
|
"items": {
|
|
"type": "object",
|
|
"properties": {
|
|
"type": {
|
|
"type": "string",
|
|
"enum": [
|
|
"array",
|
|
"boolean",
|
|
"integer",
|
|
"number",
|
|
"object",
|
|
"string",
|
|
None
|
|
]
|
|
},
|
|
"enum": {
|
|
"type": "array"
|
|
}
|
|
}
|
|
},
|
|
"maxItems": {
|
|
"$ref": "#/definitions/positiveInteger"
|
|
},
|
|
"minItems": {
|
|
"$ref": "#/definitions/positiveIntegerDefault0"
|
|
},
|
|
"uniqueItems": {
|
|
"type": "boolean",
|
|
"default": False
|
|
},
|
|
"additionalItems": {
|
|
"type": "boolean"
|
|
},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
def _get_base_properties():
|
|
return {
|
|
"namespace": {
|
|
"type": "string",
|
|
"description": _("The unique namespace text."),
|
|
"maxLength": 80,
|
|
},
|
|
"display_name": {
|
|
"type": "string",
|
|
"description": _("The user friendly name for the namespace. Used "
|
|
"by UI if available."),
|
|
"maxLength": 80,
|
|
},
|
|
"description": {
|
|
"type": "string",
|
|
"description": _("Provides a user friendly description of the "
|
|
"namespace."),
|
|
"maxLength": 500,
|
|
},
|
|
"visibility": {
|
|
"type": "string",
|
|
"description": _("Scope of namespace accessibility."),
|
|
"enum": ["public", "private"],
|
|
},
|
|
"protected": {
|
|
"type": "boolean",
|
|
"description": _("If true, namespace will not be deletable."),
|
|
},
|
|
"owner": {
|
|
"type": "string",
|
|
"description": _("Owner of the namespace."),
|
|
"maxLength": 255,
|
|
},
|
|
"created_at": {
|
|
"type": "string",
|
|
"description": _("Date and time of namespace creation"
|
|
" (READ-ONLY)"),
|
|
"format": "date-time"
|
|
},
|
|
"updated_at": {
|
|
"type": "string",
|
|
"description": _("Date and time of the last namespace modification"
|
|
" (READ-ONLY)"),
|
|
"format": "date-time"
|
|
},
|
|
"schema": {
|
|
"type": "string"
|
|
},
|
|
"self": {
|
|
"type": "string"
|
|
},
|
|
"resource_type_associations": {
|
|
"type": "array",
|
|
"items": {
|
|
"type": "object",
|
|
"properties": {
|
|
"name": {
|
|
"type": "string"
|
|
},
|
|
"prefix": {
|
|
"type": "string"
|
|
},
|
|
"properties_target": {
|
|
"type": "string"
|
|
}
|
|
}
|
|
}
|
|
},
|
|
"properties": {
|
|
"$ref": "#/definitions/property"
|
|
},
|
|
"objects": {
|
|
"type": "array",
|
|
"items": {
|
|
"type": "object",
|
|
"properties": {
|
|
"name": {
|
|
"type": "string"
|
|
},
|
|
"description": {
|
|
"type": "string"
|
|
},
|
|
"required": {
|
|
"$ref": "#/definitions/stringArray"
|
|
},
|
|
"properties": {
|
|
"$ref": "#/definitions/property"
|
|
},
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
def get_schema():
|
|
properties = _get_base_properties()
|
|
definitions = _get_base_definitions()
|
|
mandatory_attrs = Namespace.get_mandatory_attrs()
|
|
schema = glance.schema.Schema(
|
|
'namespace',
|
|
properties,
|
|
required=mandatory_attrs,
|
|
definitions=definitions
|
|
)
|
|
return schema
|
|
|
|
|
|
def get_collection_schema():
|
|
namespace_schema = get_schema()
|
|
return glance.schema.CollectionSchema('namespaces', namespace_schema)
|
|
|
|
|
|
def get_namespace_href(namespace):
|
|
base_href = '/v2/metadefs/namespaces/%s' % namespace.namespace
|
|
return base_href
|
|
|
|
|
|
def get_object_href(namespace_name, metadef_object):
|
|
base_href = ('/v2/metadefs/namespaces/%s/objects/%s' %
|
|
(namespace_name, metadef_object.name))
|
|
return base_href
|
|
|
|
|
|
def create_resource():
|
|
"""Namespaces resource factory method"""
|
|
schema = get_schema()
|
|
deserializer = RequestDeserializer(schema)
|
|
serializer = ResponseSerializer(schema)
|
|
controller = NamespaceController()
|
|
return wsgi.Resource(controller, deserializer, serializer)
|