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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
##############################################################################
from __future__ import absolute_import
import logging
import yardstick.ssh as ssh
from yardstick.benchmark.scenarios.availability.monitor import basemonitor
LOG = logging.getLogger(__name__)
class MonitorProcess(basemonitor.BaseMonitor):
"""docstring for MonitorApi"""
__monitor_type__ = "process"
def setup(self):
host = self._context[self._config["host"]]
self.connection = ssh.SSH.from_node(host, defaults={"user": "root"})
self.connection.wait(timeout=600)
LOG.debug("ssh host (%s) success!", str(host))
self.check_script = self.get_script_fullpath(
"ha_tools/check_process_python.bash")
self.process_name = self._config["process_name"]
def monitor_func(self):
with open(self.check_script, "r") as stdin_file:
_, stdout, _ = self.connection.execute(
"sudo /bin/sh -s {0}".format(self.process_name),
stdin=stdin_file)
if not stdout or int(stdout) < self.monitor_data[self.process_name]:
LOG.info("the (%s) processes are in recovery!", self.process_name)
return False
LOG.info("the (%s) processes have been fully recovered!",
self.process_name)
return True
def verify_SLA(self):
outage_time = self._result.get('outage_time', None)
if self._config.get("sla"):
max_outage_time = self._config["sla"]["max_recover_time"]
if outage_time > max_outage_time:
LOG.info("SLA failure: %f > %f", outage_time, max_outage_time)
return False
return True
def _test(): # pragma: no cover
host = {
"ip": "10.20.0.5",
"user": "root",
"key_filename": "/root/.ssh/id_rsa"
}
context = {"node1": host}
monitor_configs = []
config = {
'monitor_type': 'process',
'process_name': 'nova-api',
'host': "node1",
'monitor_time': 1,
'sla': {'max_recover_time': 5}
}
monitor_configs.append(config)
p = basemonitor.MonitorMgr({})
p.init_monitors(monitor_configs, context)
p.start_monitors()
p.wait_monitors()
p.verify_SLA()
if __name__ == '__main__': # pragma: no cover
_test()
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