Added Landslide Resource Helper implementation

Class "LandslideResourceHelper" provides API for operations needed
- to configure Landslide test session
- manage test session execution (start/stop/abort)
- collect measurements during test run

This helper class API is responsible to for configure Landslide test runs:
- create test user
- create test servers (for emulation of specific vEPC blocks)
- create SUTs (actual tested VNFs performing specific vEPC roles)
- create test session (contains actual test cases)
- create DMFs (pre-defined traffic flows in traffic profile)
- operate traffic run execution (start, stop, abort)
- monitor test run status
- collect KPIs on TG side

Some of these features use Landslide REST API.
Other ones use Landslide TCL API.

JIRA: YARDSTICK-1356

Change-Id: I8fc8a7d85301121da465d054b8d38ae09a541c36
Signed-off-by: Orest Voznyy <orestx.voznyy@intel.com>
Signed-off-by: Emma Foley <emma.l.foley@intel.com>
Signed-off-by: Orest Voznyy <orestx.voznyy@intel.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/yardstick/common/exceptions.py b/yardstick/common/exceptions.py
index 4a4006ae4..539e0fec3 100644
--- a/yardstick/common/exceptions.py
+++ b/yardstick/common/exceptions.py
@@ -422,6 +422,12 @@ class ValueCheckError(YardstickException):
     message = 'Constraint "%(value1)s %(operator)s %(value2)s" does not hold'
 
 
+class RestApiError(RuntimeError):
+    def __init__(self, message):
+        self._message = message
+        super(RestApiError, self).__init__(message)
+
+
 class LandslideTclException(RuntimeError):
     def __init__(self, message):
         self._message = message