Add config module to the whitebox neutron tempest plugin

It don't have any options defined yet as those will be added together
with tests later.

Change-Id: Ia9d00177616472b49c9a3569a5dd3cbc7d558e27

whitebox_neutron_tempest_plugin/config.py

@@ -0,0 +1,24 @@
+# Copyright 2019 Red Hat, Inc.
+# 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.
+
+from oslo_config import cfg
+
+
+whitebox_neutron_plugin_options = cfg.OptGroup(
+    name="whitebox_neutron_plugin_options",
+    title="Whitebox neutron tempest plugin config options"
+)
+
+WhiteboxNeutronPluginOptions = []

whitebox_neutron_tempest_plugin/plugin.py

@@ -16,8 +16,11 @@
 
 import os
 
+from tempest import config
 from tempest.test_discover import plugins
 
+from whitebox_neutron_tempest_plugin import config as plugin_config
+
 
 class WhiteboxNeutronTempestPlugin(plugins.TempestPlugin):
 
@@ -28,8 +31,11 @@ class WhiteboxNeutronTempestPlugin(plugins.TempestPlugin):
         full_test_dir = os.path.join(base_path, test_dir)
         return full_test_dir, base_path
 
-    def register_opts(self):
-        pass
+    def register_opts(self, conf):
+        config.register_opt_group(
+            conf,
+            plugin_config.whitebox_neutron_plugin_options,
+            plugin_config.WhiteboxNeutronPluginOptions)
 
     def get_opt_lists(self):
         pass