yardstick/benchmark/scenarios/availability/monitor/monitor_general.py

   1 ##############################################################################
   2 # Copyright (c) 2016 Juan Qiu and others
   3 # juan_ qiu@tongji.edu.cn
   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 ##############################################################################
   9 from __future__ import absolute_import
  10 import logging
  11 import yardstick.ssh as ssh
  12
  13 from yardstick.benchmark.scenarios.availability.monitor import basemonitor
  14 from yardstick.benchmark.scenarios.availability.util import buildshellparams
  15
  16
  17 LOG = logging.getLogger(__name__)
  18
  19
  20 class GeneralMonitor(basemonitor.BaseMonitor):
  21     """docstring for MonitorApi"""
  22
  23     __monitor_type__ = "general-monitor"
  24
  25     def setup(self):
  26         host = self._context[self._config["host"]]
  27         self.key = self._config["key"]
  28         self.monitor_key = self._config["monitor_key"]
  29         self.monitor_type = self._config["monitor_type"]
  30
  31         if "parameter" in self._config:
  32             parameter = self._config['parameter']
  33             str = buildshellparams(parameter)
  34             l = list(item for item in parameter.values())
  35             self.cmd_param = str.format(*l)
  36
  37         self.monitor_cfg = basemonitor.BaseMonitor.monitor_cfgs.get(
  38             self.monitor_key)
  39         self.monitor_script = self.get_script_fullpath(
  40             self.monitor_cfg['monitor_script'])
  41         self.connection = ssh.SSH.from_node(host, defaults={"user": "root"})
  42         self.connection.wait(timeout=600)
  43         LOG.debug("ssh host success!")
  44
  45     def monitor_func(self):
  46         if "parameter" in self._config:
  47             with open(self.monitor_script, "r") as stdin_file:
  48                 exit_status, stdout, stderr = self.connection.execute(
  49                     "sudo {}".format(self.cmd_param),
  50                     stdin=stdin_file)
  51         else:
  52             with open(self.monitor_script, "r") as stdin_file:
  53                 exit_status, stdout, stderr = self.connection.execute(
  54                     "sudo /bin/bash -s ",
  55                     stdin=stdin_file)
  56
  57         if exit_status:
  58             return False
  59         return True
  60
  61     def verify_SLA(self):
  62         LOG.debug("the _result:%s", self._result)
  63         outage_time = self._result.get('outage_time', None)
  64         max_outage_time = self._config["sla"]["max_outage_time"]
  65         if outage_time is None:
  66             LOG.error("There is no outage_time in monitor result.")
  67             return False
  68         if outage_time > max_outage_time:
  69             LOG.error("SLA failure: %f > %f", outage_time, max_outage_time)
  70             return False
  71         else:
  72             return True