Add WSGI script to deploy Magnum behind Apache

Change-Id: I8036f23671ab91bd8776e03eeaa1208a8347ea81
Closes-Bug: #1662808

magnum/api/app.wsgi

@@ -0,0 +1,25 @@
+# -*- mode: python -*-
+#
+# Copyright 2017 SUSE Linux GmbH
+#
+# 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 os
+import sys
+
+from magnum.api import app as api_app
+from magnum.common import service
+
+service.prepare_service(sys.argv)
+
+application = api_app.load_app()