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##############################################################################
# Copyright (c) 2016 Juan Qiu and others
# juan_ qiu@tongji.edu.cn
# 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
##############################################################################
from __future__ import absolute_import
import logging
import yardstick.ssh as ssh
from yardstick.benchmark.scenarios.availability.monitor import basemonitor
from yardstick.benchmark.scenarios.availability.util import buildshellparams
LOG = logging.getLogger(__name__)
class GeneralMonitor(basemonitor.BaseMonitor):
"""docstring for MonitorApi"""
__monitor_type__ = "general-monitor"
def setup(self):
host = self._context[self._config["host"]]
ip = host.get("ip", None)
user = host.get("user", "root")
ssh_port = host.get("ssh_port", ssh.DEFAULT_PORT)
key_filename = host.get("key_filename", "~/.ssh/id_rsa")
self.key = self._config["key"]
self.monitor_key = self._config["monitor_key"]
self.monitor_type = self._config["monitor_type"]
if "parameter" in self._config:
parameter = self._config['parameter']
str = buildshellparams(parameter)
l = list(item for item in parameter.values())
self.cmd_param = str.format(*l)
self.monitor_cfg = basemonitor.BaseMonitor.monitor_cfgs.get(
self.monitor_key)
self.monitor_script = self.get_script_fullpath(
self.monitor_cfg['monitor_script'])
self.connection = ssh.SSH(user, ip, key_filename=key_filename,
port=ssh_port)
self.connection.wait(timeout=600)
LOG.debug("ssh host success!")
def monitor_func(self):
if "parameter" in self._config:
with open(self.monitor_script, "r") as stdin_file:
exit_status, stdout, stderr = self.connection.execute(
self.cmd_param,
stdin=stdin_file)
else:
with open(self.monitor_script, "r") as stdin_file:
exit_status, stdout, stderr = self.connection.execute(
"/bin/bash -s ",
stdin=stdin_file)
if exit_status:
return False
return True
def verify_SLA(self):
LOG.debug("the _result:%s", self._result)
outage_time = self._result.get('outage_time', None)
max_outage_time = self._config["sla"]["max_outage_time"]
if outage_time is None:
LOG.error("There is no outage_time in monitor result.")
return False
if outage_time > max_outage_time:
LOG.error("SLA failure: %f > %f", outage_time, max_outage_time)
return False
else:
return True
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