def show(self, req, namespace, filters=None):
try:
# Get namespace
ns_repo = self.gateway.get_metadef_namespace_repo(req.context)
namespace_obj = ns_repo.get(namespace)
namespace_detail = Namespace.to_wsme_model(
namespace_obj,
get_namespace_href(namespace_obj),
self.ns_schema_link)
ns_filters = dict()
ns_filters['namespace'] = namespace
# Get objects
object_repo = self.gateway.get_metadef_object_repo(req.context)
db_metaobject_list = object_repo.list(filters=ns_filters)
object_list = [MetadefObject.to_wsme_model(
db_metaobject,
get_object_href(namespace, db_metaobject),
self.obj_schema_link) for db_metaobject in db_metaobject_list]
if object_list:
namespace_detail.objects = object_list
# Get resource type associations
rs_repo = self.gateway.get_metadef_resource_type_repo(req.context)
db_resource_type_list = rs_repo.list(filters=ns_filters)
resource_type_list = [ResourceTypeAssociation.to_wsme_model(
resource_type) for resource_type in db_resource_type_list]
if resource_type_list:
namespace_detail.resource_type_associations = (
resource_type_list)
# Get properties
prop_repo = self.gateway.get_metadef_property_repo(req.context)
db_properties = prop_repo.list(filters=ns_filters)
property_list = Namespace.to_model_properties(db_properties)
if property_list:
namespace_detail.properties = property_list
if filters and filters['resource_type']:
namespace_detail = self._prefix_property_name(
namespace_detail, filters['resource_type'])
# Get tags
tag_repo = self.gateway.get_metadef_tag_repo(req.context)
db_metatag_list = tag_repo.list(filters=ns_filters)
tag_list = [MetadefTag(**{'name': db_metatag.name})
for db_metatag in db_metatag_list]
if tag_list:
namespace_detail.tags = tag_list
except exception.Forbidden as e:
LOG.debug("User not permitted to show metadata namespace "
"'%s'", namespace)
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
except Exception as e:
LOG.error(encodeutils.exception_to_unicode(e))
raise webob.exc.HTTPInternalServerError()
return namespace_detail
def show(self, req, namespace, filters=None):
try:
# Get namespace
ns_repo = self.gateway.get_metadef_namespace_repo(req.context)
namespace_obj = ns_repo.get(namespace)
namespace_detail = Namespace.to_wsme_model(
namespace_obj,
get_namespace_href(namespace_obj),
self.ns_schema_link)
ns_filters = dict()
ns_filters['namespace'] = namespace
# Get objects
object_repo = self.gateway.get_metadef_object_repo(req.context)
db_metaobject_list = object_repo.list(filters=ns_filters)
object_list = [MetadefObject.to_wsme_model(
db_metaobject,
get_object_href(namespace, db_metaobject),
self.obj_schema_link) for db_metaobject in db_metaobject_list]
if object_list:
namespace_detail.objects = object_list
# Get resource type associations
rs_repo = self.gateway.get_metadef_resource_type_repo(req.context)
db_resource_type_list = rs_repo.list(filters=ns_filters)
resource_type_list = [ResourceTypeAssociation.to_wsme_model(
resource_type) for resource_type in db_resource_type_list]
if resource_type_list:
namespace_detail.resource_type_associations = (
resource_type_list)
# Get properties
prop_repo = self.gateway.get_metadef_property_repo(req.context)
db_properties = prop_repo.list(filters=ns_filters)
property_list = Namespace.to_model_properties(db_properties)
if property_list:
namespace_detail.properties = property_list
if filters and filters['resource_type']:
namespace_detail = self._prefix_property_name(
namespace_detail, filters['resource_type'])
# Get tags
tag_repo = self.gateway.get_metadef_tag_repo(req.context)
db_metatag_list = tag_repo.list(filters=ns_filters)
tag_list = [MetadefTag(**{'name': db_metatag.name})
for db_metatag in db_metatag_list]
if tag_list:
namespace_detail.tags = tag_list
except exception.Forbidden as e:
LOG.debug("User not permitted to show metadata namespace "
"'%s'", namespace)
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
except Exception as e:
LOG.error(encodeutils.exception_to_unicode(e))
raise webob.exc.HTTPInternalServerError()
return namespace_detail
def update(self, req, user_ns, namespace):
namespace_repo = self.gateway.get_metadef_namespace_repo(req.context)
try:
ns_obj = namespace_repo.get(namespace)
ns_obj._old_namespace = ns_obj.namespace
ns_obj.namespace = wsme_utils._get_value(user_ns.namespace)
ns_obj.display_name = wsme_utils._get_value(user_ns.display_name)
ns_obj.description = wsme_utils._get_value(user_ns.description)
# Following optional fields will default to same values as in
# create namespace if not specified
ns_obj.visibility = (
wsme_utils._get_value(user_ns.visibility) or 'private')
ns_obj.protected = (
wsme_utils._get_value(user_ns.protected) or False)
ns_obj.owner = (
wsme_utils._get_value(user_ns.owner) or req.context.owner)
updated_namespace = namespace_repo.save(ns_obj)
except exception.Forbidden as e:
LOG.debug("User not permitted to update metadata namespace "
"'%s'", namespace)
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
except exception.Duplicate as e:
raise webob.exc.HTTPConflict(explanation=e.msg)
except Exception as e:
LOG.error(encodeutils.exception_to_unicode(e))
raise webob.exc.HTTPInternalServerError()
return Namespace.to_wsme_model(updated_namespace,
get_namespace_href(updated_namespace),
self.ns_schema_link)
def update(self, req, user_ns, namespace):
namespace_repo = self.gateway.get_metadef_namespace_repo(req.context)
try:
ns_obj = namespace_repo.get(namespace)
ns_obj.namespace = wsme_utils._get_value(user_ns.namespace)
ns_obj.display_name = wsme_utils._get_value(user_ns.display_name)
ns_obj.description = wsme_utils._get_value(user_ns.description)
# Following optional fields will default to same values as in
# create namespace if not specified
ns_obj.visibility = (
wsme_utils._get_value(user_ns.visibility) or 'private')
ns_obj.protected = (
wsme_utils._get_value(user_ns.protected) or False)
ns_obj.owner = (
wsme_utils._get_value(user_ns.owner) or req.context.owner)
updated_namespace = namespace_repo.save(ns_obj)
except exception.Forbidden as e:
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
except exception.Duplicate as e:
raise webob.exc.HTTPConflict(explanation=e.msg)
except Exception as e:
LOG.error(utils.exception_to_str(e))
raise webob.exc.HTTPInternalServerError()
return Namespace.to_wsme_model(updated_namespace,
get_namespace_href(updated_namespace),
self.ns_schema_link)
def index(self, req, namespace):
ns_repo = self.gateway.get_metadef_namespace_repo(
req.context, authorization_layer=False)
try:
namespace_obj = ns_repo.get(namespace)
except (exception.Forbidden, exception.NotFound):
# NOTE (abhishekk): Returning 404 Not Found as the
# namespace is outside of this user's project
msg = _("Namespace %s not found") % namespace
raise webob.exc.HTTPNotFound(explanation=msg)
try:
# NOTE(abhishekk): This is just a "do you have permission to
# list properties" check. Each property is checked against
# get_metadef_property below.
api_policy.MetadefAPIPolicy(
req.context, md_resource=namespace_obj,
enforcer=self.policy).get_metadef_properties()
filters = dict()
filters['namespace'] = namespace
prop_repo = self.gateway.get_metadef_property_repo(
req.context, authorization_layer=False)
db_properties = prop_repo.list(filters=filters)
property_list = Namespace.to_model_properties(db_properties)
namespace_properties = PropertyTypes()
namespace_properties.properties = property_list
except exception.Forbidden as e:
LOG.debug(
"User not permitted to retrieve metadata properties "
"within '%s' namespace", namespace)
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
return namespace_properties
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 index(self,
req,
marker=None,
limit=None,
sort_key='created_at',
sort_dir='desc',
filters=None):
try:
ns_repo = self.gateway.get_metadef_namespace_repo(req.context)
# Get namespace id
if marker:
namespace_obj = ns_repo.get(marker)
marker = namespace_obj.namespace_id
database_ns_list = ns_repo.list(marker=marker,
limit=limit,
sort_key=sort_key,
sort_dir=sort_dir,
filters=filters)
for db_namespace in database_ns_list:
# Get resource type associations
filters = dict()
filters['namespace'] = db_namespace.namespace
rs_repo = (self.gateway.get_metadef_resource_type_repo(
req.context))
repo_rs_type_list = rs_repo.list(filters=filters)
resource_type_list = [
ResourceTypeAssociation.to_wsme_model(resource_type)
for resource_type in repo_rs_type_list
]
if resource_type_list:
db_namespace.resource_type_associations = (
resource_type_list)
namespace_list = [
Namespace.to_wsme_model(db_namespace,
get_namespace_href(db_namespace),
self.ns_schema_link)
for db_namespace in database_ns_list
]
namespaces = Namespaces()
namespaces.namespaces = namespace_list
if len(namespace_list) != 0 and len(namespace_list) == limit:
namespaces.next = namespace_list[-1].namespace
except exception.Forbidden as e:
LOG.debug("User not permitted to retrieve metadata namespaces "
"index")
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
except Exception as e:
LOG.error(utils.exception_to_str(e))
raise webob.exc.HTTPInternalServerError()
return namespaces
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 update(self, req, user_ns, namespace):
namespace_repo = self.gateway.get_metadef_namespace_repo(
req.context, authorization_layer=False)
try:
ns_obj = namespace_repo.get(namespace)
except (exception.Forbidden, exception.NotFound):
# NOTE (abhishekk): Returning 404 Not Found as the
# namespace is outside of this user's project
msg = _("Namespace %s not found") % namespace
raise webob.exc.HTTPNotFound(explanation=msg)
try:
# NOTE(abhishekk): Here we are just checking if use is authorized
# to modify the namespace or not
api_policy.MetadefAPIPolicy(
req.context, md_resource=ns_obj,
enforcer=self.policy).modify_metadef_namespace()
ns_obj._old_namespace = ns_obj.namespace
ns_obj.namespace = wsme_utils._get_value(user_ns.namespace)
ns_obj.display_name = wsme_utils._get_value(user_ns.display_name)
ns_obj.description = wsme_utils._get_value(user_ns.description)
# Following optional fields will default to same values as in
# create namespace if not specified
ns_obj.visibility = (wsme_utils._get_value(user_ns.visibility)
or 'private')
ns_obj.protected = (wsme_utils._get_value(user_ns.protected)
or False)
ns_obj.owner = (wsme_utils._get_value(user_ns.owner)
or req.context.owner)
updated_namespace = namespace_repo.save(ns_obj)
except exception.Invalid as e:
msg = (_("Couldn't update metadata namespace: %s") %
encodeutils.exception_to_unicode(e))
raise webob.exc.HTTPBadRequest(explanation=msg)
except exception.Forbidden as e:
LOG.debug(
"User not permitted to update metadata namespace "
"'%s'", namespace)
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
except exception.Duplicate as e:
raise webob.exc.HTTPConflict(explanation=e.msg)
return Namespace.to_wsme_model(updated_namespace,
get_namespace_href(updated_namespace),
self.ns_schema_link)
def index(self, req, namespace):
try:
filters = dict()
filters['namespace'] = namespace
prop_repo = self.gateway.get_metadef_property_repo(req.context)
db_properties = prop_repo.list(filters=filters)
property_list = Namespace.to_model_properties(db_properties)
namespace_properties = PropertyTypes()
namespace_properties.properties = property_list
except exception.Forbidden as e:
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
except Exception as e:
LOG.error(utils.exception_to_str(e))
raise webob.exc.HTTPInternalServerError()
return namespace_properties
def index(self, req, namespace):
try:
filters = dict()
filters['namespace'] = namespace
prop_repo = self.gateway.get_metadef_property_repo(req.context)
db_properties = prop_repo.list(filters=filters)
property_list = Namespace.to_model_properties(db_properties)
namespace_properties = PropertyTypes()
namespace_properties.properties = property_list
except exception.Forbidden as e:
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
except Exception as e:
LOG.error(utils.exception_to_str(e))
raise webob.exc.HTTPInternalServerError()
return namespace_properties
def index(self, req, marker=None, limit=None, sort_key='created_at',
sort_dir='desc', filters=None):
try:
ns_repo = self.gateway.get_metadef_namespace_repo(req.context)
# Get namespace id
if marker:
namespace_obj = ns_repo.get(marker)
marker = namespace_obj.namespace_id
database_ns_list = ns_repo.list(
marker=marker, limit=limit, sort_key=sort_key,
sort_dir=sort_dir, filters=filters)
for db_namespace in database_ns_list:
# Get resource type associations
filters = dict()
filters['namespace'] = db_namespace.namespace
rs_repo = (
self.gateway.get_metadef_resource_type_repo(req.context))
repo_rs_type_list = rs_repo.list(filters=filters)
resource_type_list = [ResourceTypeAssociation.to_wsme_model(
resource_type) for resource_type in repo_rs_type_list]
if resource_type_list:
db_namespace.resource_type_associations = (
resource_type_list)
namespace_list = [Namespace.to_wsme_model(
db_namespace,
get_namespace_href(db_namespace),
self.ns_schema_link) for db_namespace in database_ns_list]
namespaces = Namespaces()
namespaces.namespaces = namespace_list
if len(namespace_list) != 0 and len(namespace_list) == limit:
namespaces.next = namespace_list[-1].namespace
except exception.Forbidden as e:
LOG.debug("User not permitted to retrieve metadata namespaces "
"index")
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
except Exception as e:
LOG.error(encodeutils.exception_to_unicode(e))
raise webob.exc.HTTPInternalServerError()
return namespaces
def create(self, req, namespace):
try:
namespace_created = False
# Create Namespace
ns_factory = self.gateway.get_metadef_namespace_factory(
req.context, authorization_layer=False)
ns_repo = self.gateway.get_metadef_namespace_repo(
req.context, authorization_layer=False)
# NOTE(abhishekk): Here we are going to check if user is authorized
# to create namespace, resource_types, objects, properties etc.
policy_check = api_policy.MetadefAPIPolicy(req.context,
enforcer=self.policy)
policy_check.add_metadef_namespace()
if namespace.resource_type_associations:
policy_check.add_metadef_resource_type_association()
if namespace.objects:
policy_check.add_metadef_object()
if namespace.properties:
policy_check.add_metadef_property()
if namespace.tags:
policy_check.add_metadef_tag()
# NOTE(abhishekk): As we are getting rid of auth layer, this
# is the place where we should add owner if it is not specified
# in request.
kwargs = namespace.to_dict()
if 'owner' not in kwargs:
kwargs.update({'owner': req.context.owner})
new_namespace = ns_factory.new_namespace(**kwargs)
ns_repo.add(new_namespace)
namespace_created = True
# Create Resource Types
if namespace.resource_type_associations:
rs_factory = (self.gateway.get_metadef_resource_type_factory(
req.context, authorization_layer=False))
rs_repo = self.gateway.get_metadef_resource_type_repo(
req.context, authorization_layer=False)
for resource_type in namespace.resource_type_associations:
new_resource = rs_factory.new_resource_type(
namespace=namespace.namespace,
**resource_type.to_dict())
rs_repo.add(new_resource)
# Create Objects
if namespace.objects:
object_factory = self.gateway.get_metadef_object_factory(
req.context, authorization_layer=False)
object_repo = self.gateway.get_metadef_object_repo(
req.context, authorization_layer=False)
for metadata_object in namespace.objects:
new_meta_object = object_factory.new_object(
namespace=namespace.namespace,
**metadata_object.to_dict())
object_repo.add(new_meta_object)
# Create Tags
if namespace.tags:
tag_factory = self.gateway.get_metadef_tag_factory(
req.context, authorization_layer=False)
tag_repo = self.gateway.get_metadef_tag_repo(
req.context, authorization_layer=False)
for metadata_tag in namespace.tags:
new_meta_tag = tag_factory.new_tag(
namespace=namespace.namespace,
**metadata_tag.to_dict())
tag_repo.add(new_meta_tag)
# Create Namespace Properties
if namespace.properties:
prop_factory = (self.gateway.get_metadef_property_factory(
req.context, authorization_layer=False))
prop_repo = self.gateway.get_metadef_property_repo(
req.context, authorization_layer=False)
for (name, value) in namespace.properties.items():
new_property_type = (prop_factory.new_namespace_property(
namespace=namespace.namespace,
**self._to_property_dict(name, value)))
prop_repo.add(new_property_type)
except exception.Invalid as e:
msg = (_("Couldn't create metadata namespace: %s") %
encodeutils.exception_to_unicode(e))
raise webob.exc.HTTPBadRequest(explanation=msg)
except exception.Forbidden as e:
self._cleanup_namespace(ns_repo, namespace, namespace_created)
LOG.debug("User not permitted to create metadata namespace")
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
self._cleanup_namespace(ns_repo, namespace, namespace_created)
raise webob.exc.HTTPNotFound(explanation=e.msg)
except exception.Duplicate as e:
self._cleanup_namespace(ns_repo, namespace, namespace_created)
raise webob.exc.HTTPConflict(explanation=e.msg)
# Return the user namespace as we don't expose the id to user
new_namespace.properties = namespace.properties
new_namespace.objects = namespace.objects
new_namespace.resource_type_associations = (
namespace.resource_type_associations)
new_namespace.tags = namespace.tags
return Namespace.to_wsme_model(new_namespace,
get_namespace_href(new_namespace),
self.ns_schema_link)
def index(self,
req,
marker=None,
limit=None,
sort_key='created_at',
sort_dir='desc',
filters=None):
try:
ns_repo = self.gateway.get_metadef_namespace_repo(
req.context, authorization_layer=False)
policy_check = api_policy.MetadefAPIPolicy(req.context,
enforcer=self.policy)
# NOTE(abhishekk): This is just a "do you have permission to
# list namespace" check. Each namespace is checked against
# get_metadef_namespace below.
policy_check.get_metadef_namespaces()
# NOTE(abhishekk): We also need to fetch resource_types associated
# with namespaces, so better to check we have permission for the
# same in advance.
policy_check.list_metadef_resource_types()
# Get namespace id
if marker:
namespace_obj = ns_repo.get(marker)
marker = namespace_obj.namespace_id
database_ns_list = ns_repo.list(marker=marker,
limit=limit,
sort_key=sort_key,
sort_dir=sort_dir,
filters=filters)
ns_list = [
ns for ns in database_ns_list if api_policy.MetadefAPIPolicy(
req.context, md_resource=ns, enforcer=self.policy).check(
'get_metadef_namespace')
]
rs_repo = (self.gateway.get_metadef_resource_type_repo(
req.context, authorization_layer=False))
for db_namespace in ns_list:
# Get resource type associations
filters = dict()
filters['namespace'] = db_namespace.namespace
repo_rs_type_list = rs_repo.list(filters=filters)
resource_type_list = [
ResourceTypeAssociation.to_wsme_model(resource_type)
for resource_type in repo_rs_type_list
]
if resource_type_list:
db_namespace.resource_type_associations = (
resource_type_list)
namespace_list = [
Namespace.to_wsme_model(db_namespace,
get_namespace_href(db_namespace),
self.ns_schema_link)
for db_namespace in ns_list
]
namespaces = Namespaces()
namespaces.namespaces = namespace_list
if len(namespace_list) != 0 and len(namespace_list) == limit:
namespaces.next = ns_list[-1].namespace
except exception.Forbidden as e:
LOG.debug("User not permitted to retrieve metadata namespaces "
"index")
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
return namespaces
def create(self, req, namespace):
try:
namespace_created = False
# Create Namespace
ns_factory = self.gateway.get_metadef_namespace_factory(
req.context)
ns_repo = self.gateway.get_metadef_namespace_repo(req.context)
new_namespace = ns_factory.new_namespace(**namespace.to_dict())
ns_repo.add(new_namespace)
namespace_created = True
# Create Resource Types
if namespace.resource_type_associations:
rs_factory = (self.gateway.get_metadef_resource_type_factory(
req.context))
rs_repo = self.gateway.get_metadef_resource_type_repo(
req.context)
for resource_type in namespace.resource_type_associations:
new_resource = rs_factory.new_resource_type(
namespace=namespace.namespace,
**resource_type.to_dict())
rs_repo.add(new_resource)
# Create Objects
if namespace.objects:
object_factory = self.gateway.get_metadef_object_factory(
req.context)
object_repo = self.gateway.get_metadef_object_repo(
req.context)
for metadata_object in namespace.objects:
new_meta_object = object_factory.new_object(
namespace=namespace.namespace,
**metadata_object.to_dict())
object_repo.add(new_meta_object)
# Create Tags
if namespace.tags:
tag_factory = self.gateway.get_metadef_tag_factory(
req.context)
tag_repo = self.gateway.get_metadef_tag_repo(req.context)
for metadata_tag in namespace.tags:
new_meta_tag = tag_factory.new_tag(
namespace=namespace.namespace,
**metadata_tag.to_dict())
tag_repo.add(new_meta_tag)
# Create Namespace Properties
if namespace.properties:
prop_factory = (self.gateway.get_metadef_property_factory(
req.context))
prop_repo = self.gateway.get_metadef_property_repo(
req.context)
for (name, value) in namespace.properties.items():
new_property_type = (
prop_factory.new_namespace_property(
namespace=namespace.namespace,
**self._to_property_dict(name, value)
))
prop_repo.add(new_property_type)
except exception.Invalid as e:
msg = (_("Couldn't create metadata namespace: %s")
% encodeutils.exception_to_unicode(e))
raise webob.exc.HTTPBadRequest(explanation=msg)
except exception.Forbidden as e:
self._cleanup_namespace(ns_repo, namespace, namespace_created)
LOG.debug("User not permitted to create metadata namespace")
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
self._cleanup_namespace(ns_repo, namespace, namespace_created)
raise webob.exc.HTTPNotFound(explanation=e.msg)
except exception.Duplicate as e:
self._cleanup_namespace(ns_repo, namespace, namespace_created)
raise webob.exc.HTTPConflict(explanation=e.msg)
except Exception as e:
LOG.error(encodeutils.exception_to_unicode(e))
raise webob.exc.HTTPInternalServerError()
# Return the user namespace as we don't expose the id to user
new_namespace.properties = namespace.properties
new_namespace.objects = namespace.objects
new_namespace.resource_type_associations = (
namespace.resource_type_associations)
new_namespace.tags = namespace.tags
return Namespace.to_wsme_model(new_namespace,
get_namespace_href(new_namespace),
self.ns_schema_link)
def create(self, req, namespace):
try:
namespace_created = False
# Create Namespace
ns_factory = self.gateway.get_metadef_namespace_factory(
req.context)
ns_repo = self.gateway.get_metadef_namespace_repo(req.context)
new_namespace = ns_factory.new_namespace(**namespace.to_dict())
ns_repo.add(new_namespace)
namespace_created = True
# Create Resource Types
rs_factory = (
self.gateway.get_metadef_resource_type_factory(req.context))
rs_repo = self.gateway.get_metadef_resource_type_repo(req.context)
if namespace.resource_type_associations:
for resource_type in namespace.resource_type_associations:
new_resource = rs_factory.new_resource_type(
namespace=namespace.namespace,
**resource_type.to_dict())
rs_repo.add(new_resource)
# Create Objects
object_factory = self.gateway.get_metadef_object_factory(
req.context)
object_repo = self.gateway.get_metadef_object_repo(req.context)
if namespace.objects:
for metadata_object in namespace.objects:
new_meta_object = object_factory.new_object(
namespace=namespace.namespace,
**metadata_object.to_dict())
object_repo.add(new_meta_object)
# Create Namespace Properties
prop_factory = (
self.gateway.get_metadef_property_factory(req.context))
prop_repo = self.gateway.get_metadef_property_repo(req.context)
if namespace.properties:
for (name, value) in namespace.properties.items():
new_property_type = (
prop_factory.new_namespace_property(
namespace=namespace.namespace,
**self._to_property_dict(name, value)
))
prop_repo.add(new_property_type)
except exception.Forbidden as e:
self._cleanup_namespace(ns_repo, namespace, namespace_created)
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
self._cleanup_namespace(ns_repo, namespace, namespace_created)
raise webob.exc.HTTPNotFound(explanation=e.msg)
except exception.Duplicate as e:
self._cleanup_namespace(ns_repo, namespace, namespace_created)
raise webob.exc.HTTPConflict(explanation=e.msg)
except Exception as e:
LOG.error(utils.exception_to_str(e))
raise webob.exc.HTTPInternalServerError()
# Return the user namespace as we don't expose the id to user
new_namespace.properties = namespace.properties
new_namespace.objects = namespace.objects
new_namespace.resource_type_associations = (
namespace.resource_type_associations)
return Namespace.to_wsme_model(new_namespace,
get_namespace_href(new_namespace),
self.ns_schema_link)
def show(self, req, namespace, filters=None):
try:
# Get namespace
ns_repo = self.gateway.get_metadef_namespace_repo(
req.context, authorization_layer=False)
try:
namespace_obj = ns_repo.get(namespace)
policy_check = api_policy.MetadefAPIPolicy(
req.context,
md_resource=namespace_obj,
enforcer=self.policy)
policy_check.get_metadef_namespace()
except (exception.Forbidden, webob.exc.HTTPForbidden):
LOG.debug("User not permitted to show namespace '%s'",
namespace)
# NOTE (abhishekk): Returning 404 Not Found as the
# namespace is outside of this user's project
raise webob.exc.HTTPNotFound()
# NOTE(abhishekk): We also need to fetch resource_types, objects,
# properties, tags associated with namespace, so better to check
# whether user has permissions for the same.
policy_check.list_metadef_resource_types()
policy_check.get_metadef_objects()
policy_check.get_metadef_properties()
policy_check.get_metadef_tags()
namespace_detail = Namespace.to_wsme_model(
namespace_obj, get_namespace_href(namespace_obj),
self.ns_schema_link)
ns_filters = dict()
ns_filters['namespace'] = namespace
# Get objects
object_repo = self.gateway.get_metadef_object_repo(
req.context, authorization_layer=False)
db_metaobject_list = object_repo.list(filters=ns_filters)
object_list = [
MetadefObject.to_wsme_model(
db_metaobject, get_object_href(namespace, db_metaobject),
self.obj_schema_link)
for db_metaobject in db_metaobject_list
]
if object_list:
namespace_detail.objects = object_list
# Get resource type associations
rs_repo = self.gateway.get_metadef_resource_type_repo(
req.context, authorization_layer=False)
db_resource_type_list = rs_repo.list(filters=ns_filters)
resource_type_list = [
ResourceTypeAssociation.to_wsme_model(resource_type)
for resource_type in db_resource_type_list
]
if resource_type_list:
namespace_detail.resource_type_associations = (
resource_type_list)
# Get properties
prop_repo = self.gateway.get_metadef_property_repo(
req.context, authorization_layer=False)
db_properties = prop_repo.list(filters=ns_filters)
property_list = Namespace.to_model_properties(db_properties)
if property_list:
namespace_detail.properties = property_list
if filters and filters['resource_type']:
namespace_detail = self._prefix_property_name(
namespace_detail, filters['resource_type'])
# Get tags
tag_repo = self.gateway.get_metadef_tag_repo(
req.context, authorization_layer=False)
db_metatag_list = tag_repo.list(filters=ns_filters)
tag_list = [
MetadefTag(**{'name': db_metatag.name})
for db_metatag in db_metatag_list
]
if tag_list:
namespace_detail.tags = tag_list
except exception.Forbidden as e:
LOG.debug("User not permitted to show metadata namespace "
"'%s'", namespace)
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.msg)
return namespace_detail
def create(self, req, namespace):
try:
namespace_created = False
# Create Namespace
ns_factory = self.gateway.get_metadef_namespace_factory(
req.context)
ns_repo = self.gateway.get_metadef_namespace_repo(req.context)
new_namespace = ns_factory.new_namespace(**namespace.to_dict())
ns_repo.add(new_namespace)
namespace_created = True
# Create Resource Types
if namespace.resource_type_associations:
rs_factory = (self.gateway.get_metadef_resource_type_factory(
req.context))
rs_repo = self.gateway.get_metadef_resource_type_repo(
req.context)
for resource_type in namespace.resource_type_associations:
new_resource = rs_factory.new_resource_type(
namespace=namespace.namespace,
**resource_type.to_dict())
rs_repo.add(new_resource)
# Create Objects
if namespace.objects:
object_factory = self.gateway.get_metadef_object_factory(
req.context)
object_repo = self.gateway.get_metadef_object_repo(
req.context)
for metadata_object in namespace.objects:
new_meta_object = object_factory.new_object(
namespace=namespace.namespace,
**metadata_object.to_dict())
object_repo.add(new_meta_object)
# Create Tags
if namespace.tags:
tag_factory = self.gateway.get_metadef_tag_factory(
req.context)
tag_repo = self.gateway.get_metadef_tag_repo(req.context)
for metadata_tag in namespace.tags:
new_meta_tag = tag_factory.new_tag(
namespace=namespace.namespace,
**metadata_tag.to_dict())
tag_repo.add(new_meta_tag)
# Create Namespace Properties
if namespace.properties:
prop_factory = (self.gateway.get_metadef_property_factory(
req.context))
prop_repo = self.gateway.get_metadef_property_repo(
req.context)
for (name, value) in namespace.properties.items():
new_property_type = (
prop_factory.new_namespace_property(
namespace=namespace.namespace,
**self._to_property_dict(name, value)
))
prop_repo.add(new_property_type)
except exception.Forbidden as e:
self._cleanup_namespace(ns_repo, namespace, namespace_created)
LOG.debug("User not permitted to create metadata namespace")
raise webob.exc.HTTPForbidden(explanation=e.msg)
except exception.NotFound as e:
self._cleanup_namespace(ns_repo, namespace, namespace_created)
raise webob.exc.HTTPNotFound(explanation=e.msg)
except exception.Duplicate as e:
self._cleanup_namespace(ns_repo, namespace, namespace_created)
raise webob.exc.HTTPConflict(explanation=e.msg)
except Exception as e:
LOG.error(encodeutils.exception_to_unicode(e))
raise webob.exc.HTTPInternalServerError()
# Return the user namespace as we don't expose the id to user
new_namespace.properties = namespace.properties
new_namespace.objects = namespace.objects
new_namespace.resource_type_associations = (
namespace.resource_type_associations)
new_namespace.tags = namespace.tags
return Namespace.to_wsme_model(new_namespace,
get_namespace_href(new_namespace),
self.ns_schema_link)
