1 ##############################################################################
2 # Copyright (c) 2015 Ericsson AB and others.
4 # All rights reserved. This program and the accompanying materials
5 # are made available under the terms of the Apache License, Version 2.0
6 # which accompanies this distribution, and is available at
7 # http://www.apache.org/licenses/LICENSE-2.0
8 ##############################################################################
12 from __future__ import print_function
13 from __future__ import absolute_import
17 import yardstick.ssh as ssh
18 from yardstick.common import utils
19 from yardstick.benchmark.scenarios import base
21 LOG = logging.getLogger(__name__)
24 class Ping(base.Scenario):
25 """Execute ping between two hosts
27 If ping error, RTT will be set to 999999
30 packetsize - number of data bytes to send
36 __scenario_type__ = "Ping"
38 PING_ERROR_RTT = 999999
40 TARGET_SCRIPT = 'ping_benchmark.bash'
42 def __init__(self, scenario_cfg, context_cfg):
43 self.scenario_cfg = scenario_cfg
44 self.context_cfg = context_cfg
45 self.target_script = pkg_resources.resource_filename(
46 'yardstick.benchmark.scenarios.networking', Ping.TARGET_SCRIPT)
47 host = self.context_cfg['host']
49 self.connection = ssh.SSH.from_node(host, defaults={"user": "ubuntu"})
51 self.connection.wait(timeout=600)
53 def run(self, result):
54 """execute the benchmark"""
56 if "options" in self.scenario_cfg:
58 self.scenario_cfg['options'].get("packetsize", '56')
62 destination = self.context_cfg['target'].get('ipaddr', '127.0.0.1')
63 dest_list = [s.strip() for s in destination.split(',')]
66 ping_result = {"rtt": rtt_result}
67 sla_max_rtt = self.scenario_cfg.get("sla", {}).get("max_rtt")
69 for pos, dest in enumerate(dest_list):
70 if 'targets' in self.scenario_cfg:
71 target_vm = self.scenario_cfg['targets'][pos]
73 target_vm = self.scenario_cfg['target']
75 LOG.debug("ping %s %s", options, dest)
76 with open(self.target_script, "r") as stdin_file:
77 exit_status, stdout, stderr = self.connection.execute(
78 "/bin/sh -s {0} {1}".format(dest, options),
82 raise RuntimeError(stderr)
84 if isinstance(target_vm, dict):
85 target_vm_name = target_vm.get("name")
87 target_vm_name = target_vm.split('.')[0]
89 rtt_result[target_vm_name] = float(stdout.strip())
90 # store result before potential AssertionError
91 result.update(utils.flatten_dict_key(ping_result))
92 if sla_max_rtt is not None:
93 sla_max_rtt = float(sla_max_rtt)
95 rtt_result[target_vm_name] <= sla_max_rtt,
96 "rtt %f > sla: max_rtt(%f); "
97 % (rtt_result[target_vm_name], sla_max_rtt))
99 LOG.error("ping '%s' '%s' timeout", options, target_vm)
100 # we need to specify a result to satisfy influxdb schema
101 # choose a very large number to inidcate timeout
102 # in this case choose an order of magnitude greater than the SLA
103 rtt_result[target_vm_name] = float(self.PING_ERROR_RTT)
104 # store result before potential AssertionError
105 result.update(utils.flatten_dict_key(ping_result))
106 self.verify_SLA(sla_max_rtt is None,
107 "packet dropped rtt %f > sla: max_rtt(%f)"
108 % (rtt_result[target_vm_name], sla_max_rtt))
109 self.verify_SLA(False,
110 "packet dropped rtt %f"
111 % (rtt_result[target_vm_name]))
114 def _test(): # pragma: no cover
115 """internal test function"""
116 key_filename = pkg_resources.resource_filename("yardstick.resources",
117 "files/yardstick_key")
120 "ip": "10.229.47.137",
122 "key_filename": key_filename
125 "ipaddr": "10.229.17.105",
129 logger = logging.getLogger("yardstick")
130 logger.setLevel(logging.DEBUG)
140 if __name__ == '__main__': # pragma: no cover