2df49fa879
When project_id/tenant_id is present in an API call, Neutron checks first if this project exists. If not, a HTTPNotFound will be thrown. This patch is tested in neutron-tempest-plugin: https://review.opendev.org/#/c/754390/ Closes-Bug: #1896588 Change-Id: I6276490d4df69ec0f2c9a1492b9b03d1130c7c05
671 lines
26 KiB
Python
671 lines
26 KiB
Python
# Copyright 2011 OpenStack Foundation.
|
|
# All Rights Reserved.
|
|
#
|
|
# 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.
|
|
|
|
import collections
|
|
import imp
|
|
import os
|
|
|
|
from keystoneauth1 import loading as ks_loading
|
|
from neutron_lib.api import extensions as api_extensions
|
|
from neutron_lib import exceptions
|
|
from neutron_lib.plugins import directory
|
|
from openstack import connection
|
|
from oslo_config import cfg
|
|
from oslo_log import log as logging
|
|
from oslo_middleware import base
|
|
import routes
|
|
import webob.dec
|
|
import webob.exc
|
|
|
|
from neutron._i18n import _
|
|
from neutron import extensions as core_extensions
|
|
from neutron.plugins.common import constants as const
|
|
from neutron.services import provider_configuration
|
|
from neutron import wsgi
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
EXTENSION_SUPPORTED_CHECK_MAP = {}
|
|
_PLUGIN_AGNOSTIC_EXTENSIONS = set()
|
|
_NOVA_CONNECTION = None
|
|
|
|
|
|
def register_custom_supported_check(alias, f, plugin_agnostic=False):
|
|
'''Register a custom function to determine if extension is supported.
|
|
|
|
Consequent calls for the same alias replace the registered function.
|
|
|
|
:param alias: API extension alias name
|
|
:param f: custom check function that returns True if extension is supported
|
|
:param plugin_agnostic: if False, don't require a plugin to claim support
|
|
with supported_extension_aliases. If True, a plugin must claim the
|
|
extension is supported.
|
|
'''
|
|
|
|
EXTENSION_SUPPORTED_CHECK_MAP[alias] = f
|
|
if plugin_agnostic:
|
|
_PLUGIN_AGNOSTIC_EXTENSIONS.add(alias)
|
|
|
|
|
|
class ActionExtensionController(wsgi.Controller):
|
|
|
|
def __init__(self, application):
|
|
self.application = application
|
|
self.action_handlers = {}
|
|
|
|
def add_action(self, action_name, handler):
|
|
self.action_handlers[action_name] = handler
|
|
|
|
def action(self, request, id):
|
|
input_dict = self._deserialize(request.body,
|
|
request.get_content_type())
|
|
for action_name, handler in self.action_handlers.items():
|
|
if action_name in input_dict:
|
|
return handler(input_dict, request, id)
|
|
# no action handler found (bump to downstream application)
|
|
response = self.application
|
|
return response
|
|
|
|
|
|
class RequestExtensionController(wsgi.Controller):
|
|
|
|
def __init__(self, application):
|
|
self.application = application
|
|
self.handlers = []
|
|
|
|
def add_handler(self, handler):
|
|
self.handlers.append(handler)
|
|
|
|
def process(self, request, *args, **kwargs):
|
|
res = request.get_response(self.application)
|
|
# currently request handlers are un-ordered
|
|
for handler in self.handlers:
|
|
response = handler(request, res)
|
|
return response
|
|
|
|
|
|
class ExtensionController(wsgi.Controller):
|
|
|
|
def __init__(self, extension_manager):
|
|
self.extension_manager = extension_manager
|
|
|
|
@staticmethod
|
|
def _translate(ext):
|
|
ext_data = {}
|
|
ext_data['name'] = ext.get_name()
|
|
ext_data['alias'] = ext.get_alias()
|
|
ext_data['description'] = ext.get_description()
|
|
ext_data['updated'] = ext.get_updated()
|
|
ext_data['links'] = [] # TODO(dprince): implement extension links
|
|
return ext_data
|
|
|
|
def index(self, request):
|
|
extensions = []
|
|
for _alias, ext in self.extension_manager.extensions.items():
|
|
extensions.append(self._translate(ext))
|
|
return dict(extensions=extensions)
|
|
|
|
def show(self, request, id):
|
|
# NOTE(dprince): the extensions alias is used as the 'id' for show
|
|
ext = self.extension_manager.extensions.get(id, None)
|
|
if not ext:
|
|
raise webob.exc.HTTPNotFound(
|
|
_("Extension with alias %s does not exist") % id)
|
|
return dict(extension=self._translate(ext))
|
|
|
|
def delete(self, request, id):
|
|
msg = _('Resource not found.')
|
|
raise webob.exc.HTTPNotFound(msg)
|
|
|
|
def create(self, request):
|
|
msg = _('Resource not found.')
|
|
raise webob.exc.HTTPNotFound(msg)
|
|
|
|
|
|
class ExtensionMiddleware(base.ConfigurableMiddleware):
|
|
"""Extensions middleware for WSGI."""
|
|
|
|
def __init__(self, application,
|
|
ext_mgr=None):
|
|
self.ext_mgr = (ext_mgr or
|
|
ExtensionManager(get_extensions_path()))
|
|
mapper = routes.Mapper()
|
|
|
|
# extended resources
|
|
for resource in self.ext_mgr.get_resources():
|
|
path_prefix = resource.path_prefix
|
|
if resource.parent:
|
|
path_prefix = (resource.path_prefix +
|
|
"/%s/{%s_id}" %
|
|
(resource.parent["collection_name"],
|
|
resource.parent["member_name"]))
|
|
|
|
LOG.debug('Extended resource: %s',
|
|
resource.collection)
|
|
for action, method in resource.collection_actions.items():
|
|
conditions = dict(method=[method])
|
|
path = "/%s/%s" % (resource.collection, action)
|
|
with mapper.submapper(controller=resource.controller,
|
|
action=action,
|
|
path_prefix=path_prefix,
|
|
conditions=conditions) as submap:
|
|
submap.connect(path_prefix + path, path)
|
|
submap.connect(path_prefix + path + "_format",
|
|
"%s.:(format)" % path)
|
|
|
|
for action, method in resource.collection_methods.items():
|
|
conditions = dict(method=[method])
|
|
path = "/%s" % resource.collection
|
|
with mapper.submapper(controller=resource.controller,
|
|
action=action,
|
|
path_prefix=path_prefix,
|
|
conditions=conditions) as submap:
|
|
submap.connect(path_prefix + path, path)
|
|
submap.connect(path_prefix + path + "_format",
|
|
"%s.:(format)" % path)
|
|
|
|
mapper.resource(resource.collection, resource.collection,
|
|
controller=resource.controller,
|
|
member=resource.member_actions,
|
|
parent_resource=resource.parent,
|
|
path_prefix=path_prefix)
|
|
|
|
# extended actions
|
|
action_controllers = self._action_ext_controllers(application,
|
|
self.ext_mgr, mapper)
|
|
for action in self.ext_mgr.get_actions():
|
|
LOG.debug('Extended action: %s', action.action_name)
|
|
controller = action_controllers[action.collection]
|
|
controller.add_action(action.action_name, action.handler)
|
|
|
|
# extended requests
|
|
req_controllers = self._request_ext_controllers(application,
|
|
self.ext_mgr, mapper)
|
|
for request_ext in self.ext_mgr.get_request_extensions():
|
|
LOG.debug('Extended request: %s', request_ext.key)
|
|
controller = req_controllers[request_ext.key]
|
|
controller.add_handler(request_ext.handler)
|
|
|
|
self._router = routes.middleware.RoutesMiddleware(self._dispatch,
|
|
mapper)
|
|
super(ExtensionMiddleware, self).__init__(application)
|
|
|
|
@classmethod
|
|
def factory(cls, global_config, **local_config):
|
|
"""Paste factory."""
|
|
def _factory(app):
|
|
return cls(app, global_config, **local_config)
|
|
return _factory
|
|
|
|
def _action_ext_controllers(self, application, ext_mgr, mapper):
|
|
"""Return a dict of ActionExtensionController-s by collection."""
|
|
action_controllers = {}
|
|
for action in ext_mgr.get_actions():
|
|
if action.collection not in action_controllers.keys():
|
|
controller = ActionExtensionController(application)
|
|
mapper.connect("/%s/:(id)/action.:(format)" %
|
|
action.collection,
|
|
action='action',
|
|
controller=controller,
|
|
conditions=dict(method=['POST']))
|
|
mapper.connect("/%s/:(id)/action" % action.collection,
|
|
action='action',
|
|
controller=controller,
|
|
conditions=dict(method=['POST']))
|
|
action_controllers[action.collection] = controller
|
|
|
|
return action_controllers
|
|
|
|
def _request_ext_controllers(self, application, ext_mgr, mapper):
|
|
"""Returns a dict of RequestExtensionController-s by collection."""
|
|
request_ext_controllers = {}
|
|
for req_ext in ext_mgr.get_request_extensions():
|
|
if req_ext.key not in request_ext_controllers.keys():
|
|
controller = RequestExtensionController(application)
|
|
mapper.connect(req_ext.url_route + '.:(format)',
|
|
action='process',
|
|
controller=controller,
|
|
conditions=req_ext.conditions)
|
|
|
|
mapper.connect(req_ext.url_route,
|
|
action='process',
|
|
controller=controller,
|
|
conditions=req_ext.conditions)
|
|
request_ext_controllers[req_ext.key] = controller
|
|
|
|
return request_ext_controllers
|
|
|
|
@webob.dec.wsgify(RequestClass=wsgi.Request)
|
|
def __call__(self, req):
|
|
"""Route the incoming request with router."""
|
|
req.environ['extended.app'] = self.application
|
|
return self._router
|
|
|
|
@staticmethod
|
|
@webob.dec.wsgify(RequestClass=wsgi.Request)
|
|
def _dispatch(req):
|
|
"""Dispatch the request.
|
|
|
|
Returns the routed WSGI app's response or defers to the extended
|
|
application.
|
|
"""
|
|
match = req.environ['wsgiorg.routing_args'][1]
|
|
if not match:
|
|
return req.environ['extended.app']
|
|
app = match['controller']
|
|
return app
|
|
|
|
|
|
def plugin_aware_extension_middleware_factory(global_config, **local_config):
|
|
"""Paste factory."""
|
|
def _factory(app):
|
|
ext_mgr = PluginAwareExtensionManager.get_instance()
|
|
return ExtensionMiddleware(app, ext_mgr=ext_mgr)
|
|
return _factory
|
|
|
|
|
|
class ExtensionManager(object):
|
|
"""Load extensions from the configured extension path.
|
|
|
|
See tests/unit/extensions/foxinsocks.py for an
|
|
example extension implementation.
|
|
"""
|
|
|
|
def __init__(self, path):
|
|
LOG.info('Initializing extension manager.')
|
|
self.path = path
|
|
self.extensions = {}
|
|
self._load_all_extensions()
|
|
|
|
def get_resources(self):
|
|
"""Returns a list of ResourceExtension objects."""
|
|
resources = []
|
|
resources.append(ResourceExtension('extensions',
|
|
ExtensionController(self)))
|
|
for ext in self.extensions.values():
|
|
resources.extend(ext.get_resources())
|
|
return resources
|
|
|
|
def get_pecan_resources(self):
|
|
"""Returns a list of PecanResourceExtension objects."""
|
|
resources = []
|
|
for ext in self.extensions.values():
|
|
resources.extend(ext.get_pecan_resources())
|
|
return resources
|
|
|
|
def get_actions(self):
|
|
"""Returns a list of ActionExtension objects."""
|
|
actions = []
|
|
for ext in self.extensions.values():
|
|
actions.extend(ext.get_actions())
|
|
return actions
|
|
|
|
def get_request_extensions(self):
|
|
"""Returns a list of RequestExtension objects."""
|
|
request_exts = []
|
|
for ext in self.extensions.values():
|
|
request_exts.extend(ext.get_request_extensions())
|
|
return request_exts
|
|
|
|
def extend_resources(self, version, attr_map):
|
|
"""Extend resources with additional resources or attributes.
|
|
|
|
:param attr_map: the existing mapping from resource name to
|
|
attrs definition.
|
|
|
|
After this function, we will extend the attr_map if an extension
|
|
wants to extend this map.
|
|
"""
|
|
processed_exts = {}
|
|
exts_to_process = self.extensions.copy()
|
|
check_optionals = True
|
|
# Iterate until there are unprocessed extensions or if no progress
|
|
# is made in a whole iteration
|
|
while exts_to_process:
|
|
processed_ext_count = len(processed_exts)
|
|
for ext_name, ext in list(exts_to_process.items()):
|
|
# Process extension only if all required extensions
|
|
# have been processed already
|
|
required_exts_set = set(ext.get_required_extensions())
|
|
if required_exts_set - set(processed_exts):
|
|
continue
|
|
optional_exts_set = set(ext.get_optional_extensions())
|
|
if check_optionals and optional_exts_set - set(processed_exts):
|
|
continue
|
|
extended_attrs = ext.get_extended_resources(version)
|
|
for res, resource_attrs in extended_attrs.items():
|
|
res_to_update = attr_map.setdefault(res, {})
|
|
if self._is_sub_resource(res_to_update):
|
|
# in the case of an existing sub-resource, we need to
|
|
# update the parameters content rather than overwrite
|
|
# it, and also keep the description of the parent
|
|
# resource unmodified
|
|
res_to_update['parameters'].update(
|
|
resource_attrs['parameters'])
|
|
else:
|
|
res_to_update.update(resource_attrs)
|
|
processed_exts[ext_name] = ext
|
|
del exts_to_process[ext_name]
|
|
if len(processed_exts) == processed_ext_count:
|
|
# if we hit here, it means there are unsatisfied
|
|
# dependencies. try again without optionals since optionals
|
|
# are only necessary to set order if they are present.
|
|
if check_optionals:
|
|
check_optionals = False
|
|
continue
|
|
# Exit loop as no progress was made
|
|
break
|
|
if exts_to_process:
|
|
unloadable_extensions = set(exts_to_process.keys())
|
|
LOG.error("Unable to process extensions (%s) because "
|
|
"the configured plugins do not satisfy "
|
|
"their requirements. Some features will not "
|
|
"work as expected.",
|
|
', '.join(unloadable_extensions))
|
|
self._check_faulty_extensions(unloadable_extensions)
|
|
# Extending extensions' attributes map.
|
|
for ext in processed_exts.values():
|
|
ext.update_attributes_map(attr_map)
|
|
|
|
def _is_sub_resource(self, resource):
|
|
return ('parent' in resource and
|
|
isinstance(resource['parent'], dict) and
|
|
'member_name' in resource['parent'] and
|
|
'parameters' in resource)
|
|
|
|
def _check_faulty_extensions(self, faulty_extensions):
|
|
"""Raise for non-default faulty extensions.
|
|
|
|
Gracefully fail for defective default extensions, which will be
|
|
removed from the list of loaded extensions.
|
|
"""
|
|
default_extensions = set(const.DEFAULT_SERVICE_PLUGINS.values())
|
|
if not faulty_extensions <= default_extensions:
|
|
raise exceptions.ExtensionsNotFound(
|
|
extensions=list(faulty_extensions))
|
|
# Remove the faulty extensions so that they do not show during
|
|
# ext-list
|
|
for ext in faulty_extensions:
|
|
try:
|
|
del self.extensions[ext]
|
|
except KeyError:
|
|
pass
|
|
|
|
def _check_extension(self, extension):
|
|
"""Checks for required methods in extension objects."""
|
|
try:
|
|
LOG.debug('Ext name="%(name)s" alias="%(alias)s" '
|
|
'description="%(desc)s" updated="%(updated)s"',
|
|
{'name': extension.get_name(),
|
|
'alias': extension.get_alias(),
|
|
'desc': extension.get_description(),
|
|
'updated': extension.get_updated()})
|
|
except AttributeError:
|
|
LOG.exception("Exception loading extension")
|
|
return False
|
|
return isinstance(extension, api_extensions.ExtensionDescriptor)
|
|
|
|
def _load_all_extensions(self):
|
|
"""Load extensions from the configured path.
|
|
|
|
The extension name is constructed from the module_name. If your
|
|
extension module is named widgets.py, the extension class within that
|
|
module should be 'Widgets'.
|
|
|
|
See tests/unit/extensions/foxinsocks.py for an example extension
|
|
implementation.
|
|
"""
|
|
|
|
for path in self.path.split(':'):
|
|
if os.path.exists(path):
|
|
self._load_all_extensions_from_path(path)
|
|
else:
|
|
LOG.error("Extension path '%s' doesn't exist!", path)
|
|
|
|
def _load_all_extensions_from_path(self, path):
|
|
# Sorting the extension list makes the order in which they
|
|
# are loaded predictable across a cluster of load-balanced
|
|
# Neutron Servers
|
|
for f in sorted(os.listdir(path)):
|
|
try:
|
|
LOG.debug('Loading extension file: %s', f)
|
|
mod_name, file_ext = os.path.splitext(os.path.split(f)[-1])
|
|
ext_path = os.path.join(path, f)
|
|
if file_ext.lower() == '.py' and not mod_name.startswith('_'):
|
|
mod = imp.load_source(mod_name, ext_path)
|
|
ext_name = mod_name.capitalize()
|
|
new_ext_class = getattr(mod, ext_name, None)
|
|
if not new_ext_class:
|
|
LOG.warning('Did not find expected name '
|
|
'"%(ext_name)s" in %(file)s',
|
|
{'ext_name': ext_name,
|
|
'file': ext_path})
|
|
continue
|
|
new_ext = new_ext_class()
|
|
self.add_extension(new_ext)
|
|
except Exception as exception:
|
|
LOG.warning("Extension file %(f)s wasn't loaded due to "
|
|
"%(exception)s",
|
|
{'f': f, 'exception': exception})
|
|
|
|
def add_extension(self, ext):
|
|
# Do nothing if the extension doesn't check out
|
|
if not self._check_extension(ext):
|
|
return
|
|
|
|
alias = ext.get_alias()
|
|
LOG.info('Loaded extension: %s', alias)
|
|
|
|
if alias in self.extensions:
|
|
raise exceptions.DuplicatedExtension(alias=alias)
|
|
self.extensions[alias] = ext
|
|
|
|
|
|
class PluginAwareExtensionManager(ExtensionManager):
|
|
|
|
_instance = None
|
|
|
|
def __init__(self, path, plugins):
|
|
self.plugins = plugins
|
|
super(PluginAwareExtensionManager, self).__init__(path)
|
|
self.check_if_plugin_extensions_loaded()
|
|
|
|
def _check_extension(self, extension):
|
|
"""Check if an extension is supported by any plugin."""
|
|
extension_is_valid = super(PluginAwareExtensionManager,
|
|
self)._check_extension(extension)
|
|
if not extension_is_valid:
|
|
return False
|
|
|
|
alias = extension.get_alias()
|
|
if alias in EXTENSION_SUPPORTED_CHECK_MAP:
|
|
return EXTENSION_SUPPORTED_CHECK_MAP[alias]()
|
|
|
|
return (self._plugins_support(extension) and
|
|
self._plugins_implement_interface(extension))
|
|
|
|
def _plugins_support(self, extension):
|
|
alias = extension.get_alias()
|
|
supports_extension = alias in self.get_supported_extension_aliases()
|
|
if not supports_extension:
|
|
LOG.info("Extension %s not supported by any of loaded "
|
|
"plugins", alias)
|
|
return supports_extension
|
|
|
|
def _plugins_implement_interface(self, extension):
|
|
if extension.get_plugin_interface() is None:
|
|
return True
|
|
for plugin in self.plugins.values():
|
|
if isinstance(plugin, extension.get_plugin_interface()):
|
|
return True
|
|
LOG.warning("Loaded plugins do not implement extension "
|
|
"%s interface",
|
|
extension.get_alias())
|
|
return False
|
|
|
|
@classmethod
|
|
def get_instance(cls):
|
|
if cls._instance is None:
|
|
service_plugins = directory.get_plugins()
|
|
cls._instance = cls(get_extensions_path(service_plugins),
|
|
service_plugins)
|
|
return cls._instance
|
|
|
|
def get_plugin_supported_extension_aliases(self, plugin):
|
|
"""Return extension aliases supported by a given plugin"""
|
|
aliases = set()
|
|
# we also check all classes that the plugins inherit to see if they
|
|
# directly provide support for an extension
|
|
for item in [plugin] + plugin.__class__.mro():
|
|
try:
|
|
aliases |= set(
|
|
getattr(item, "supported_extension_aliases", []))
|
|
except TypeError:
|
|
# we land here if a class has a @property decorator for
|
|
# supported extension aliases. They only work on objects.
|
|
pass
|
|
return aliases
|
|
|
|
def get_supported_extension_aliases(self):
|
|
"""Gets extension aliases supported by all plugins."""
|
|
aliases = set()
|
|
for plugin in self.plugins.values():
|
|
aliases |= self.get_plugin_supported_extension_aliases(plugin)
|
|
aliases |= {
|
|
alias
|
|
for alias, func in EXTENSION_SUPPORTED_CHECK_MAP.items()
|
|
if func()
|
|
}
|
|
return aliases
|
|
|
|
@classmethod
|
|
def clear_instance(cls):
|
|
cls._instance = None
|
|
|
|
def check_if_plugin_extensions_loaded(self):
|
|
"""Check if an extension supported by a plugin has been loaded."""
|
|
plugin_extensions = self.get_supported_extension_aliases()
|
|
missing_aliases = plugin_extensions - set(self.extensions)
|
|
missing_aliases -= _PLUGIN_AGNOSTIC_EXTENSIONS
|
|
if missing_aliases:
|
|
raise exceptions.ExtensionsNotFound(
|
|
extensions=list(missing_aliases))
|
|
|
|
|
|
class RequestExtension(object):
|
|
"""Extend requests and responses of core Neutron OpenStack API controllers.
|
|
|
|
Provide a way to add data to responses and handle custom request data
|
|
that is sent to core Neutron OpenStack API controllers.
|
|
"""
|
|
|
|
def __init__(self, method, url_route, handler):
|
|
self.url_route = url_route
|
|
self.handler = handler
|
|
self.conditions = dict(method=[method])
|
|
self.key = "%s-%s" % (method, url_route)
|
|
|
|
|
|
class ActionExtension(object):
|
|
"""Add custom actions to core Neutron OpenStack API controllers."""
|
|
|
|
def __init__(self, collection, action_name, handler):
|
|
self.collection = collection
|
|
self.action_name = action_name
|
|
self.handler = handler
|
|
|
|
|
|
class ResourceExtension(object):
|
|
"""Add top level resources to the OpenStack API in Neutron."""
|
|
|
|
def __init__(self, collection, controller, parent=None, path_prefix="",
|
|
collection_actions=None, member_actions=None, attr_map=None,
|
|
collection_methods=None):
|
|
collection_actions = collection_actions or {}
|
|
collection_methods = collection_methods or {}
|
|
member_actions = member_actions or {}
|
|
attr_map = attr_map or {}
|
|
self.collection = collection
|
|
self.controller = controller
|
|
self.parent = parent
|
|
self.collection_actions = collection_actions
|
|
self.collection_methods = collection_methods
|
|
self.member_actions = member_actions
|
|
self.path_prefix = path_prefix
|
|
self.attr_map = attr_map
|
|
|
|
|
|
# Returns the extension paths from a config entry and the __path__
|
|
# of neutron.extensions
|
|
def get_extensions_path(service_plugins=None):
|
|
paths = collections.OrderedDict()
|
|
|
|
# Add Neutron core extensions
|
|
paths[core_extensions.__path__[0]] = 1
|
|
if service_plugins:
|
|
# Add Neutron *-aas extensions
|
|
for plugin in service_plugins.values():
|
|
neutron_mod = provider_configuration.NeutronModule(
|
|
plugin.__module__.split('.')[0])
|
|
try:
|
|
paths[neutron_mod.module().extensions.__path__[0]] = 1
|
|
except AttributeError:
|
|
# Occurs normally if module has no extensions sub-module
|
|
pass
|
|
|
|
# Add external/other plugins extensions
|
|
if cfg.CONF.api_extensions_path:
|
|
for path in cfg.CONF.api_extensions_path.split(":"):
|
|
paths[path] = 1
|
|
|
|
LOG.debug("get_extension_paths = %s", paths)
|
|
|
|
# Re-build the extension string
|
|
path = ':'.join(paths)
|
|
return path
|
|
|
|
|
|
def append_api_extensions_path(paths):
|
|
paths = list(set([cfg.CONF.api_extensions_path] + paths))
|
|
cfg.CONF.set_override('api_extensions_path',
|
|
':'.join([p for p in paths if p]))
|
|
|
|
|
|
class ProjectIdMiddleware(base.ConfigurableMiddleware):
|
|
|
|
@webob.dec.wsgify
|
|
def __call__(self, req):
|
|
# NOTE(ralonsoh): this method uses Nova Keystone user to retrieve the
|
|
# project because (1) it is allowed to retrieve the projects and (2)
|
|
# Neutron avoids adding another user section in the configuration
|
|
# (Nova user will be always used).
|
|
global _NOVA_CONNECTION
|
|
project = req.params.get('project_id') or req.params.get('tenant_id')
|
|
if project:
|
|
if not _NOVA_CONNECTION:
|
|
auth = ks_loading.load_auth_from_conf_options(cfg.CONF, 'nova')
|
|
keystone_session = ks_loading.load_session_from_conf_options(
|
|
cfg.CONF, 'nova', auth=auth)
|
|
_NOVA_CONNECTION = connection.Connection(
|
|
session=keystone_session, oslo_conf=cfg.CONF,
|
|
connect_retries=cfg.CONF.http_retries)
|
|
if not _NOVA_CONNECTION.get_project(project):
|
|
return webob.exc.HTTPNotFound(
|
|
comment='Project %s does not exist' % project)
|
|
|
|
return req.get_response(self.application)
|