1 ##############################################################################
2 # Copyright (c) 2015 Huawei Technologies Co.,Ltd. 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 ##############################################################################
9 from __future__ import absolute_import
12 import multiprocessing
15 import yardstick.common.utils as utils
18 LOG = logging.getLogger(__name__)
20 monitor_conf_path = pkg_resources.resource_filename(
21 "yardstick.benchmark.scenarios.availability",
25 class MonitorMgr(object):
26 """docstring for MonitorMgr"""
28 def __init__(self, data):
29 self._monitor_list = []
30 self.monitor_mgr_data = data
32 def init_monitors(self, monitor_cfgs, context):
33 LOG.debug("monitorMgr config: %s", monitor_cfgs)
35 for monitor_cfg in monitor_cfgs:
36 monitor_type = monitor_cfg["monitor_type"]
37 monitor_cls = BaseMonitor.get_monitor_cls(monitor_type)
39 monitor_number = monitor_cfg.get("monitor_number", 1)
40 if monitor_number > 1:
41 monitor_cls = BaseMonitor.get_monitor_cls("multi-monitor")
43 monitor_ins = monitor_cls(monitor_cfg, context,
44 self.monitor_mgr_data)
45 if "key" in monitor_cfg:
46 monitor_ins.key = monitor_cfg["key"]
47 self._monitor_list.append(monitor_ins)
49 def __getitem__(self, item):
50 for obj in self._monitor_list:
53 raise KeyError("No such monitor instance of key - %s" % item)
55 def start_monitors(self):
56 for _monotor_instace in self._monitor_list:
57 _monotor_instace.start_monitor()
59 def wait_monitors(self):
60 for monitor in self._monitor_list:
61 monitor.wait_monitor()
65 for monitor in self._monitor_list:
66 sla_pass = sla_pass & monitor.verify_SLA()
70 class BaseMonitor(multiprocessing.Process):
71 """docstring for BaseMonitor"""
74 def __init__(self, config, context, data):
75 if not BaseMonitor.monitor_cfgs:
76 with open(monitor_conf_path) as stream:
77 BaseMonitor.monitor_cfgs = yaml.load(stream)
78 multiprocessing.Process.__init__(self)
80 self._context = context
81 self._queue = multiprocessing.Queue()
82 self._event = multiprocessing.Event()
83 self.monitor_data = data
84 self.setup_done = False
87 def get_monitor_cls(monitor_type):
88 """return monitor class of specified type"""
90 for monitor in utils.itersubclasses(BaseMonitor):
91 if monitor_type == monitor.__monitor_type__:
93 raise RuntimeError("No such monitor_type %s" % monitor_type)
95 def get_script_fullpath(self, path):
96 base_path = os.path.dirname(monitor_conf_path)
97 return os.path.join(base_path, path)
100 LOG.debug("config:%s context:%s", self._config, self._context)
103 monitor_time = self._config.get("monitor_time", 0)
112 begin_time = time.time()
114 total_count = total_count + 1
116 one_check_begin_time = time.time()
117 exit_status = self.monitor_func()
118 one_check_end_time = time.time()
120 if exit_status is False:
121 outage_count = outage_count + 1
123 outage_time = outage_time + (
124 one_check_end_time - one_check_begin_time)
127 first_outage = one_check_begin_time
129 last_outage = one_check_end_time
131 if self._event.is_set():
132 LOG.debug("the monitor process stop")
135 if one_check_end_time - begin_time > monitor_time:
136 LOG.debug("the monitor max_time finished and exit!")
139 end_time = time.time()
140 total_time = end_time - begin_time
142 self._queue.put({"total_time": total_time,
143 "outage_time": last_outage - first_outage,
144 "last_outage": last_outage,
145 "first_outage": first_outage,
146 "total_count": total_count,
147 "outage_count": outage_count})
149 def start_monitor(self):
152 def wait_monitor(self):
154 self._result = self._queue.get()
155 LOG.debug("the monitor result:%s", self._result)
157 def setup(self): # pragma: no cover
160 def monitor_func(self): # pragma: no cover
163 def verify_SLA(self):