refactor daemons to use common base class in preparation for network refactor

bin/nova-network

@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2010 United States Government as represented by the
+# Administrator of the National Aeronautics and Space Administration.
+# 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.
+
+"""
+  Twistd daemon for the nova network nodes.
+"""
+
+from nova import twistd
+from nova.network import node
+
+
+if __name__ == '__main__':
+    twistd.serve(__file__)
+
+if __name__ == '__builtin__':
+    application = node.NetworkNode.create()