Add vEPC infrastructure for Landslide TG

1. Add yardstick topology and model for fully emulated environment.
2. Add support for black-box testing of real vEPC VNF vs Spirent Landslide
   traffic generator:
     - vEPC VNF pod file
     - topology and model files aware of vEPC VNF connection to Spirent
       Landslide TG
     - stub class for vEPC VNF, and related unit tests

JIRA: YARDSTICK-1424

Change-Id: If7b6d19919679347c4360f4a0f2e420716e7fd2d
Signed-off-by: Orest Voznyy <orestx.voznyy@intel.com>

1 files changed, 53 insertions, 0 deletions

diff --git a/yardstick/network_services/vnf_generic/vnf/epc_vnf.py b/yardstick/network_services/vnf_generic/vnf/epc_vnf.py
new file mode 100644
index 000000000..66d16d07f
--- /dev/null
+++ b/yardstick/network_services/vnf_generic/vnf/epc_vnf.py
@@ -0,0 +1,53 @@
+# Copyright (c) 2018 Intel Corporation
+#
+# 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 logging
+
+from yardstick.network_services.vnf_generic.vnf import base
+
+LOG = logging.getLogger(__name__)
+
+
+class EPCVnf(base.GenericVNF):
+
+    def __init__(self, name, vnfd, task_id):
+        super(EPCVnf, self).__init__(name, vnfd, task_id)
+
+    def instantiate(self, scenario_cfg, context_cfg):
+        """Prepare VNF for operation and start the VNF process/VM
+
+        :param scenario_cfg: Scenario config
+        :param context_cfg: Context config
+        """
+        pass
+
+    def wait_for_instantiate(self):
+        """Wait for VNF to start"""
+        pass
+
+    def terminate(self):
+        """Kill all VNF processes"""
+        pass
+
+    def scale(self, flavor=""):
+        pass
+
+    def collect_kpi(self):
+        pass
+
+    def start_collect(self):
+        pass
+
+    def stop_collect(self):
+        pass