Merge "Remove unused class/file"

ironic/common/extension_manager.py

@@ -1,71 +0,0 @@
-# -*- encoding: utf-8 -*-
-#
-# Copyright © 2012 New Dream Network, LLC (DreamHost)
-#
-# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
-#
-# 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.
-"""
-Base class for plugin loader.
-"""
-
-from stevedore import enabled
-
-from ironic.openstack.common import log
-
-
-LOG = log.getLogger(__name__)
-
-
-def should_use_extension(namespace, ext, enabled_names):
-    """Return boolean indicating whether the extension should be used.
-
-    Tests the extension against a couple of criteria to see whether it
-    should be used, logs the reason it is not used if not, and then
-    returns the result.
-    """
-    if ext.name not in enabled_names:
-        LOG.debug(
-            '%s extension %r disabled through configuration setting',
-            namespace, ext.name,
-        )
-        return False
-    if not ext.obj.is_enabled():
-        LOG.debug(
-            '%s extension %r reported that it is disabled',
-            namespace,
-            ext.name,
-        )
-        return False
-    LOG.debug('using %s extension %r', namespace, ext.name)
-    return True
-
-
-class ActivatedExtensionManager(enabled.EnabledExtensionManager):
-    """Loads extensions based on a configurable set that should be
-    disabled and asking each one if it should be active or not.
-    """
-
-    def __init__(self, namespace, enabled_names, invoke_on_load=True,
-                 invoke_args=(), invoke_kwds={}):
-
-        def local_check_func(ext):
-            return should_use_extension(namespace, ext, enabled_names)
-
-        super(ActivatedExtensionManager, self).__init__(
-            namespace=namespace,
-            check_func=local_check_func,
-            invoke_on_load=invoke_on_load,
-            invoke_args=invoke_args,
-            invoke_kwds=invoke_kwds,
-        )