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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 print_function
from __future__ import absolute_import
import logging
from yardstick.benchmark.scenarios import base
from yardstick.benchmark.scenarios.availability.monitor import basemonitor
from yardstick.benchmark.scenarios.availability.attacker import baseattacker
LOG = logging.getLogger(__name__)
class ServiceHA(base.Scenario):
"""TODO: docstring of ServiceHA
"""
__scenario_type__ = "ServiceHA"
def __init__(self, scenario_cfg, context_cfg):
LOG.debug(
"scenario_cfg:%s context_cfg:%s",
scenario_cfg, context_cfg)
self.scenario_cfg = scenario_cfg
self.context_cfg = context_cfg
self.setup_done = False
self.data = {}
self.pass_flag = True
def setup(self):
"""scenario setup"""
nodes = self.context_cfg.get("nodes", None)
if nodes is None:
LOG.error("the nodes info is none")
return
self.attackers = []
attacker_cfgs = self.scenario_cfg["options"]["attackers"]
for attacker_cfg in attacker_cfgs:
attacker_cls = baseattacker.BaseAttacker.get_attacker_cls(
attacker_cfg)
attacker_ins = attacker_cls(attacker_cfg, nodes)
attacker_ins.setup()
self.attackers.append(attacker_ins)
self.data = dict(self.data.items() + attacker_ins.data.items())
monitor_cfgs = self.scenario_cfg["options"]["monitors"]
self.monitorMgr = basemonitor.MonitorMgr(self.data)
self.monitorMgr.init_monitors(monitor_cfgs, nodes)
self.setup_done = True
def run(self, result):
"""execute the benchmark"""
if not self.setup_done:
LOG.error("The setup not finished!")
return
self.monitorMgr.start_monitors()
LOG.info("HA monitor start!")
for attacker in self.attackers:
attacker.inject_fault()
self.monitorMgr.wait_monitors()
LOG.info("HA monitor stop!")
sla_pass = self.monitorMgr.verify_SLA()
for k, v in self.data.items():
if v == 0:
result['sla_pass'] = 0
self.pass_flag = False
LOG.info("The service process not found in the host envrioment, \
the HA test case NOT pass")
return
self.monitorMgr.store_result(result)
if sla_pass:
result['sla_pass'] = 1
LOG.info("The HA test case PASS the SLA")
else:
result['sla_pass'] = 0
self.pass_flag = False
assert sla_pass is True, "The HA test case NOT pass the SLA"
return
def teardown(self):
"""scenario teardown"""
for attacker in self.attackers:
attacker.recover()
assert self.pass_flag, "The HA test case NOT passed"
def _test(): # pragma: no cover
"""internal test function"""
host = {
"ip": "10.20.0.5",
"user": "root",
"key_filename": "/root/.ssh/id_rsa"
}
ctx = {"nodes": {"node1": host}}
attacker_cfg = {
"fault_type": "kill-process",
"process_name": "nova-api",
"host": "node1"
}
attacker_cfgs = []
attacker_cfgs.append(attacker_cfg)
monitor_cfg = {
"monitor_cmd": "nova image-list"
}
monitor_cfgs = []
monitor_cfgs.append(monitor_cfg)
options = {
"attackers": attacker_cfgs,
"wait_time": 10,
"monitors": monitor_cfgs
}
sla = {"outage_time": 5}
args = {"options": options, "sla": sla}
print("create instance")
terstInstance = ServiceHA(args, ctx)
terstInstance.setup()
result = {}
terstInstance.run(result)
print(result)
terstInstance.teardown()
if __name__ == '__main__': # pragma: no cover
_test()
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