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         ip = host.get("ip", None)
  28         user = host.get("user", "root")
  29         ssh_port = host.get("ssh_port", ssh.DEFAULT_PORT)
  30         key_filename = host.get("key_filename", "~/.ssh/id_rsa")
  31         self.key = self._config["key"]
  32         self.monitor_key = self._config["monitor_key"]
  33         self.monitor_type = self._config["monitor_type"]
  34
  35         if "parameter" in self._config:
  36             parameter = self._config['parameter']
  37             str = buildshellparams(parameter)
  38             l = list(item for item in parameter.values())
  39             self.cmd_param = str.format(*l)
  40
  41         self.monitor_cfg = basemonitor.BaseMonitor.monitor_cfgs.get(
  42             self.monitor_key)
  43         self.monitor_script = self.get_script_fullpath(
  44             self.monitor_cfg['monitor_script'])
  45         self.connection = ssh.SSH(user, ip, key_filename=key_filename,
  46                                   port=ssh_port)
  47         self.connection.wait(timeout=600)
  48         LOG.debug("ssh host success!")
  49
  50     def monitor_func(self):
  51         if "parameter" in self._config:
  52             with open(self.monitor_script, "r") as stdin_file:
  53                 exit_status, stdout, stderr = self.connection.execute(
  54                     self.cmd_param,
  55                     stdin=stdin_file)
  56         else:
  57             with open(self.monitor_script, "r") as stdin_file:
  58                 exit_status, stdout, stderr = self.connection.execute(
  59                     "/bin/bash -s ",
  60                     stdin=stdin_file)
  61
  62         if exit_status:
  63             return False
  64         return True
  65
  66     def verify_SLA(self):
  67         LOG.debug("the _result:%s", self._result)
  68         outage_time = self._result.get('outage_time', None)
  69         max_outage_time = self._config["sla"]["max_outage_time"]
  70         if outage_time is None:
  71             LOG.error("There is no outage_time in monitor result.")
  72             return False
  73         if outage_time > max_outage_time:
  74             LOG.error("SLA failure: %f > %f", outage_time, max_outage_time)
  75             return False
  76         else:
  77             return True