ping: always save rtt data, influxdb ignore empty data

[yardstick.git] / yardstick / benchmark / scenarios / networking / ping.py

diff --git a/yardstick/benchmark/scenarios/networking/ping.py b/yardstick/benchmark/scenarios/networking/ping.py
index 3bade73..e7d9bee 100644 (file)
--- a/yardstick/benchmark/scenarios/networking/ping.py
+++ b/yardstick/benchmark/scenarios/networking/ping.py
@@ -24,6 +24,8 @@ LOG = logging.getLogger(__name__)
 class Ping(base.Scenario):
     """Execute ping between two hosts
 
+    If ping error, RTT will be set to 999999
+
   Parameters
     packetsize - number of data bytes to send
         type:    int
@@ -33,6 +35,8 @@ class Ping(base.Scenario):
 
     __scenario_type__ = "Ping"
 
+    PING_ERROR_RTT = 999999
+
     TARGET_SCRIPT = 'ping_benchmark.bash'
 
     def __init__(self, scenario_cfg, context_cfg):
@@ -60,6 +64,7 @@ class Ping(base.Scenario):
 
         rtt_result = {}
         ping_result = {"rtt": rtt_result}
+        sla_max_rtt = self.scenario_cfg.get("sla", {}).get("max_rtt")
 
         for pos, dest in enumerate(dest_list):
             if 'targets' in self.scenario_cfg:
@@ -76,20 +81,34 @@ class Ping(base.Scenario):
             if exit_status != 0:
                 raise RuntimeError(stderr)
 
+            if isinstance(target_vm, dict):
+                target_vm_name = target_vm.get("name")
+            else:
+                target_vm_name = target_vm.split('.')[0]
             if stdout:
-                if isinstance(target_vm, dict):
-                    target_vm_name = target_vm.get("name")
-                else:
-                    target_vm_name = target_vm.split('.')[0]
-                rtt_result[target_vm_name] = float(stdout)
-                if "sla" in self.scenario_cfg:
-                    sla_max_rtt = int(self.scenario_cfg["sla"]["max_rtt"])
+                rtt_result[target_vm_name] = float(stdout.strip())
+                # store result before potential AssertionError
+                result.update(utils.flatten_dict_key(ping_result))
+                if sla_max_rtt is not None:
+                    sla_max_rtt = float(sla_max_rtt)
                     assert rtt_result[target_vm_name] <= sla_max_rtt,\
                         "rtt %f > sla: max_rtt(%f); " % \
                         (rtt_result[target_vm_name], sla_max_rtt)
             else:
                 LOG.error("ping '%s' '%s' timeout", options, target_vm)
-        result.update(utils.flatten_dict_key(ping_result))
+                # we need to specify a result to satisfy influxdb schema
+                # choose a very large number to inidcate timeout
+                # in this case choose an order of magnitude greater than the SLA
+                rtt_result[target_vm_name] = float(self.PING_ERROR_RTT)
+                # store result before potential AssertionError
+                result.update(utils.flatten_dict_key(ping_result))
+                if sla_max_rtt is not None:
+                    raise AssertionError("packet dropped rtt {:f} > sla: max_rtt({:f})".format(
+                        rtt_result[target_vm_name], sla_max_rtt))
+
+                else:
+                    raise AssertionError(
+                        "packet dropped rtt {:f}".format(rtt_result[target_vm_name]))
 
 
 def _test():    # pragma: no cover