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 ##############################################################################
15 import yardstick.ssh as ssh
16 from yardstick.benchmark.scenarios import base
18 LOG = logging.getLogger(__name__)
21 class Ping(base.Scenario):
22 """Execute ping between two hosts
25 packetsize - number of data bytes to send
31 __scenario_type__ = "Ping"
33 TARGET_SCRIPT = 'ping_benchmark.bash'
35 def __init__(self, scenario_cfg, context_cfg):
36 self.scenario_cfg = scenario_cfg
37 self.context_cfg = context_cfg
38 self.target_script = pkg_resources.resource_filename(
39 'yardstick.benchmark.scenarios.networking', Ping.TARGET_SCRIPT)
40 host = self.context_cfg['host']
41 user = host.get('user', 'ubuntu')
42 ip = host.get('ip', None)
43 key_filename = host.get('key_filename', '/root/.ssh/id_rsa')
44 password = host.get('password', None)
46 if password is not None:
47 LOG.info("Log in via pw, user:%s, host:%s, pw:%s",
49 self.connection = ssh.SSH(user, ip, password=password)
51 LOG.info("Log in via key, user:%s, host:%s, key_filename:%s",
52 user, ip, key_filename)
53 self.connection = ssh.SSH(user, ip, key_filename=key_filename)
55 self.connection.wait()
57 def run(self, result):
58 """execute the benchmark"""
60 if "options" in self.scenario_cfg:
62 self.scenario_cfg['options'].get("packetsize", '56')
66 destination = self.context_cfg['target'].get('ipaddr', '127.0.0.1')
67 dest_list = [s.strip() for s in destination.split(',')]
70 rtt_result = result["rtt"]
72 for pos, dest in enumerate(dest_list):
73 if 'targets' in self.scenario_cfg:
74 target_vm = self.scenario_cfg['targets'][pos]
76 target_vm = self.scenario_cfg['target']
78 LOG.debug("ping '%s' '%s'", options, dest)
79 exit_status, stdout, stderr = self.connection.execute(
80 "/bin/sh -s {0} {1}".format(dest, options),
81 stdin=open(self.target_script, "r"))
84 raise RuntimeError(stderr)
87 target_vm_name = target_vm.split('.')[0]
88 rtt_result[target_vm_name] = float(stdout)
89 if "sla" in self.scenario_cfg:
90 sla_max_rtt = int(self.scenario_cfg["sla"]["max_rtt"])
91 assert rtt_result[target_vm_name] <= sla_max_rtt,\
92 "rtt %f > sla: max_rtt(%f); " % \
93 (rtt_result[target_vm_name], sla_max_rtt)
95 LOG.error("ping '%s' '%s' timeout", options, target_vm)
98 def _test(): # pragma: no cover
99 '''internal test function'''
100 key_filename = pkg_resources.resource_filename("yardstick.resources",
101 "files/yardstick_key")
104 "ip": "10.229.47.137",
106 "key_filename": key_filename
109 "ipaddr": "10.229.17.105",
113 logger = logging.getLogger("yardstick")
114 logger.setLevel(logging.DEBUG)
123 if __name__ == '__main__': # pragma: no cover