Implementation of yardstick-tc007 in Yardstick
[yardstick.git] / yardstick / benchmark / scenarios / networking / ping.py
index a027c81..c62c79e 100644 (file)
@@ -19,43 +19,89 @@ LOG = logging.getLogger(__name__)
 
 
 class Ping(base.Scenario):
-    """Executes a ping benchmark between two hosts"""
+    """Execute ping between two hosts
+
+  Parameters
+    packetsize - number of data bytes to send
+        type:    int
+        unit:    bytes
+        default: 56
+    """
+
     __scenario_type__ = "Ping"
 
     TARGET_SCRIPT = 'ping_benchmark.bash'
 
-    def __init__(self, context):
-        self.context = context
+    def __init__(self, scenario_cfg, context_cfg):
+        self.scenario_cfg = scenario_cfg
+        self.context_cfg = context_cfg
         self.target_script = pkg_resources.resource_filename(
             'yardstick.benchmark.scenarios.networking', Ping.TARGET_SCRIPT)
-        user = self.context.get('user', 'ubuntu')
-        host = self.context.get('host', None)
-        key_filename = self.context.get('key_filename', '~/.ssh/id_rsa')
+        host = self.context_cfg['host']
+        user = host.get('user', 'ubuntu')
+        ip = host.get('ip', None)
+        key_filename = host.get('key_filename', '~/.ssh/id_rsa')
 
-        LOG.debug("user:%s, host:%s", user, host)
+        LOG.info("user:%s, host:%s", user, ip)
 
-        self.connection = ssh.SSH(user, host, key_filename=key_filename)
+        self.connection = ssh.SSH(user, ip, key_filename=key_filename)
         self.connection.wait()
 
-    def run(self, args):
+    def run(self, result):
         """execute the benchmark"""
 
-        self.options = "-s %s" % args['options'].get("packetsize", '56')
-        self.ipaddr = args.get("ipaddr", '127.0.0.1')
+        if "options" in self.scenario_cfg:
+            options = "-s %s" % \
+                self.scenario_cfg['options'].get("packetsize", '56')
+        else:
+            options = ""
+
+        destination = self.context_cfg['target'].get("ipaddr", '127.0.0.1')
 
-        LOG.debug("ping %s %s", self.options, self.ipaddr)
+        LOG.debug("ping '%s' '%s'", options, destination)
 
         exit_status, stdout, stderr = self.connection.execute(
-            "/bin/sh -s {0} {1}".format(self.ipaddr, self.options),
+            "/bin/sh -s {0} {1}".format(destination, options),
             stdin=open(self.target_script, "r"))
 
         if exit_status != 0:
             raise RuntimeError(stderr)
 
-        rtt = float(stdout)
-
-        if "sla" in args:
-            sla_max_rtt = int(args["sla"]["max_rtt"])
-            assert rtt <= sla_max_rtt, "rtt %f > sla_max_rtt" % rtt
-
-        return rtt
+        if stdout:
+            result["rtt"] = float(stdout)
+
+            if "sla" in self.scenario_cfg:
+                sla_max_rtt = int(self.scenario_cfg["sla"]["max_rtt"])
+                assert result["rtt"] <= sla_max_rtt, "rtt %f > sla:max_rtt(%f); " % \
+                    (result["rtt"], sla_max_rtt)
+        else:
+            LOG.error("ping '%s' '%s' timeout", options, destination)
+
+
+def _test():
+    '''internal test function'''
+    key_filename = pkg_resources.resource_filename("yardstick.resources",
+                                                   "files/yardstick_key")
+    ctx = {
+        "host": {
+            "ip": "10.229.47.137",
+            "user": "root",
+            "key_filename": key_filename
+        },
+        "target": {
+            "ipaddr": "10.229.17.105",
+        }
+    }
+
+    logger = logging.getLogger("yardstick")
+    logger.setLevel(logging.DEBUG)
+
+    args = {}
+    result = {}
+
+    p = Ping(args, ctx)
+    p.run(result)
+    print result
+
+if __name__ == '__main__':
+    _test()