Create scenario tests for load balancers

This patch implements the tempest plugin for
for testing load balancer creation in Octavia.

Co-Authored-By: Jude Cross <jcross@godaddy.com>
Co-Authored-By: Lingxian Kong <anlin.kong@gmail.com>

Depends-On: https://review.openstack.org/557856
Change-Id: I57064f8e0834efba8859a780394a1c69851cc917
diff --git a/octavia_tempest_plugin/plugin.py b/octavia_tempest_plugin/plugin.py
new file mode 100644
index 0000000..5aae722
--- /dev/null
+++ b/octavia_tempest_plugin/plugin.py
@@ -0,0 +1,60 @@
+#   Copyright 2017 GoDaddy
+#
+#   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
+
+from tempest import config
+from tempest.test_discover import plugins
+
+from octavia_tempest_plugin import config as project_config
+
+
+class OctaviaTempestPlugin(plugins.TempestPlugin):
+
+    def load_tests(self):
+        base_path = os.path.split(os.path.dirname(
+            os.path.abspath(__file__)))[0]
+        test_dir = "octavia_tempest_plugin/tests"
+        full_test_dir = os.path.join(base_path, test_dir)
+        return full_test_dir, base_path
+
+    def register_opts(self, conf):
+        config.register_opt_group(conf, project_config.service_available_group,
+                                  project_config.ServiceAvailableGroup)
+        config.register_opt_group(conf, project_config.octavia_group,
+                                  project_config.OctaviaGroup)
+
+    def get_opt_lists(self):
+        return [
+            (project_config.service_available_group.name,
+             project_config.ServiceAvailableGroup),
+            (project_config.octavia_group.name,
+             project_config.OctaviaGroup),
+        ]
+
+    def get_service_clients(self):
+        octavia_config = config.service_client_config(
+            project_config.octavia_group.name
+        )
+
+        params = {
+            'name': 'load-balancer_v2',
+            'service_version': 'load-balancer.v2',
+            'module_path': 'octavia_tempest_plugin.services.load_balancer.v2',
+            'client_names': ['LoadbalancerClient'],
+        }
+        params.update(octavia_config)
+
+        return [params]