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-rw-r--r--openstack/common/plugin/pluginmanager.py78
1 files changed, 0 insertions, 78 deletions
diff --git a/openstack/common/plugin/pluginmanager.py b/openstack/common/plugin/pluginmanager.py
deleted file mode 100644
index 3962447..0000000
--- a/openstack/common/plugin/pluginmanager.py
+++ /dev/null
@@ -1,78 +0,0 @@
-# Copyright 2012 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 pkg_resources
-
-from oslo.config import cfg
-
-from openstack.common.gettextutils import _
-from openstack.common import log as logging
-from openstack.common.notifier import api as notifier_api
-
-
-CONF = cfg.CONF
-LOG = logging.getLogger(__name__)
-
-
-class PluginManager(object):
- """Manages plugin entrypoints and loading.
-
- For a service to implement this plugin interface for callback purposes:
-
- - Make use of the openstack-common notifier system
- - Instantiate this manager in each process (passing in
- project and service name)
-
- For an API service to extend itself using this plugin interface,
- it needs to query the plugin_extension_factory provided by
- the already-instantiated PluginManager.
- """
-
- def __init__(self, project_name, service_name):
- """Construct Plugin Manager; load and initialize plugins.
-
- project_name (e.g. 'nova' or 'glance') is used
- to construct the entry point that identifies plugins.
-
- The service_name (e.g. 'compute') is passed on to
- each plugin as a raw string for it to do what it will.
- """
- self._project_name = project_name
- self._service_name = service_name
- self.plugins = []
-
- def load_plugins(self):
- self.plugins = []
-
- for entrypoint in pkg_resources.iter_entry_points('%s.plugin' %
- self._project_name):
- try:
- pluginclass = entrypoint.load()
- plugin = pluginclass(self._service_name)
- self.plugins.append(plugin)
- except Exception as exc:
- LOG.error(_("Failed to load plugin %(plug)s: %(exc)s") %
- {'plug': entrypoint, 'exc': exc})
-
- # Register individual notifiers.
- for plugin in self.plugins:
- for notifier in plugin.notifiers:
- notifier_api.add_driver(notifier)
-
- def plugin_extension_factory(self, ext_mgr):
- for plugin in self.plugins:
- descriptors = plugin.api_extension_descriptors
- for descriptor in descriptors:
- ext_mgr.load_extension(descriptor)