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##############################################################################
# Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import pkg_resources
import logging
import yardstick.ssh as ssh
from yardstick.benchmark.scenarios import base
LOG = logging.getLogger(__name__)
class Ping6(base.Scenario): # pragma: no cover
"""Execute ping6 between two hosts
read link below for more ipv6 info description:
http://wiki.opnfv.org/ipv6_opnfv_project
"""
__scenario_type__ = "Ping6"
TARGET_SCRIPT = 'ping6_benchmark.bash'
SETUP_SCRIPT = 'ping6_setup.bash'
TEARDOWN_SCRIPT = 'ping6_teardown.bash'
METADATA_SCRIPT = 'ping6_metadata.txt'
def __init__(self, scenario_cfg, context_cfg):
self.scenario_cfg = scenario_cfg
self.context_cfg = context_cfg
self.setup_done = False
self.run_done = False
def _ssh_host(self):
# ssh host1
host = self.context_cfg['host']
host_user = host.get('user', 'ubuntu')
host_ip = host.get('ip', None)
host_pwd = host.get('password', 'root')
LOG.info("user:%s, host:%s", host_user, host_ip)
self.client = ssh.SSH(host_user, host_ip, password=host_pwd)
self.client.wait(timeout=600)
def setup(self):
'''scenario setup'''
self.setup_script = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
Ping6.SETUP_SCRIPT)
self.ping6_metadata_script = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
Ping6.METADATA_SCRIPT)
# ssh host1
self._ssh_host()
# run script to setup ipv6
self.client.run("cat > ~/setup.sh",
stdin=open(self.setup_script, "rb"))
self.client.run("cat > ~/metadata.txt",
stdin=open(self.ping6_metadata_script, "rb"))
cmd = "sudo bash setup.sh"
status, stdout, stderr = self.client.execute(cmd)
self.setup_done = True
def run(self, result):
"""execute the benchmark"""
# ssh vm1
self.ping6_script = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
Ping6.TARGET_SCRIPT)
if not self.setup_done:
self._ssh_host()
self.client.run("cat > ~/ping6.sh",
stdin=open(self.ping6_script, "rb"))
cmd = "sudo bash ping6.sh"
LOG.debug("Executing command: %s", cmd)
status, stdout, stderr = self.client.execute(cmd)
print stdout
if status:
raise RuntimeError(stderr)
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("ping6 timeout")
self.run_done = True
def teardown(self):
"""teardown the benchmark"""
if not self.run_done:
self._ssh_host()
self.teardown_script = pkg_resources.resource_filename(
'yardstick.benchmark.scenarios.networking',
Ping6.TEARDOWN_SCRIPT)
self.client.run("cat > ~/teardown.sh",
stdin=open(self.teardown_script, "rb"))
cmd = "sudo bash teardown.sh"
status, stdout, stderr = self.client.execute(cmd)
if status:
raise RuntimeError(stderr)
if stdout:
pass
else:
LOG.error("ping6 teardown failed")
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