X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=yardstick%2Fbenchmark%2Fscenarios%2Fbase.py;h=5d3c36c389fb00e470d754827a2bd565d7764208;hb=5b99f1532ec4d15258ec86e970acd2904954b3bc;hp=e1e31fd2a857293e20a3376bb6f9a902429ddcc7;hpb=d290591a6f53d74ed00fe49e93654be5c486e998;p=yardstick.git

diff --git a/yardstick/benchmark/scenarios/base.py b/yardstick/benchmark/scenarios/base.py
index e1e31fd2a..5d3c36c38 100644
--- a/yardstick/benchmark/scenarios/base.py
+++ b/yardstick/benchmark/scenarios/base.py
@@ -1,32 +1,59 @@
-##############################################################################
-# Copyright (c) 2015 Ericsson AB and others.
+# Copyright 2013: Mirantis Inc.
+# All Rights Reserved.
 #
-# All rights reserved. This program and the accompanying materials
-# are made available under the terms of the Apache License, Version 2.0
-# which accompanies this distribution, and is available at
-# http://www.apache.org/licenses/LICENSE-2.0
-##############################################################################
+#    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.
+
+# yardstick comment: this is a modified copy of
+# rally/rally/benchmark/scenarios/base.py
 
 """ Scenario base class
 """
 
+from __future__ import absolute_import
 import yardstick.common.utils as utils
 
 
 class Scenario(object):
 
     def setup(self):
-        ''' default impl for scenario setup '''
+        """ default impl for scenario setup """
         pass
 
     def run(self, args):
-        ''' catcher for not implemented run methods in subclasses '''
+        """ catcher for not implemented run methods in subclasses """
         raise RuntimeError("run method not implemented")
 
     def teardown(self):
-        ''' default impl for scenario teardown '''
+        """ default impl for scenario teardown """
         pass
 
+    @staticmethod
+    def get_types():
+        """return a list of known runner type (class) names"""
+        scenarios = []
+        for scenario in utils.itersubclasses(Scenario):
+            scenarios.append(scenario)
+        return scenarios
+
+    @staticmethod
+    def get_cls(scenario_type):
+        """return class of specified type"""
+        for scenario in utils.itersubclasses(Scenario):
+            if scenario_type == scenario.__scenario_type__:
+                return scenario
+
+        raise RuntimeError("No such scenario type %s" % scenario_type)
+
     @staticmethod
     def get(scenario_type):
         """Returns instance of a scenario runner for execution type.