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##############################################################################
# Copyright (c) 2016 Juan Qiu and others
# juan_ qiu@tongji.edu.cn
# 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
from yardstick.benchmark.scenarios.availability.monitor import basemonitor
from yardstick.benchmark.scenarios.availability.attacker import baseattacker
from yardstick.benchmark.scenarios.availability.operation import baseoperation
from yardstick.benchmark.scenarios.availability.result_checker \
import baseresultchecker
from yardstick.benchmark.scenarios.availability import ActionType
from yardstick.benchmark.scenarios.availability import actionplayers
from yardstick.benchmark.scenarios.availability import actionrollbackers
LOG = logging.getLogger(__name__)
class Director(object):
"""
Director is used to direct a test scenaio
including the creation of action players, test result verification
and rollback of actions.
"""
def __init__(self, scenario_cfg, context_cfg):
# A stack store Rollbacker that will be called after
# all actionplayers finish.
self.executionSteps = []
self.scenario_cfg = scenario_cfg
self.context_cfg = context_cfg
nodes = self.context_cfg.get("nodes", None)
# setup attackers
if "attackers" in self.scenario_cfg["options"]:
LOG.debug("start init attackers...")
attacker_cfgs = self.scenario_cfg["options"]["attackers"]
self.attackerMgr = baseattacker.AttackerMgr()
self.attackerMgr.init_attackers(attacker_cfgs, nodes)
# setup monitors
if "monitors" in self.scenario_cfg["options"]:
LOG.debug("start init monitors...")
monitor_cfgs = self.scenario_cfg["options"]["monitors"]
self.monitorMgr = basemonitor.MonitorMgr()
self.monitorMgr.init_monitors(monitor_cfgs, nodes)
# setup operations
if "operations" in self.scenario_cfg["options"]:
LOG.debug("start init operations...")
operation_cfgs = self.scenario_cfg["options"]["operations"]
self.operationMgr = baseoperation.OperationMgr()
self.operationMgr.init_operations(operation_cfgs, nodes)
# setup result checker
if "resultCheckers" in self.scenario_cfg["options"]:
LOG.debug("start init resultCheckers...")
result_check_cfgs = self.scenario_cfg["options"]["resultCheckers"]
self.resultCheckerMgr = baseresultchecker.ResultCheckerMgr()
self.resultCheckerMgr.init_ResultChecker(result_check_cfgs, nodes)
def createActionPlayer(self, type, key):
LOG.debug(
"the type of current action is %s, the key is %s", type, key)
if type == ActionType.ATTACKER:
return actionplayers.AttackerPlayer(self.attackerMgr[key])
if type == ActionType.MONITOR:
return actionplayers.MonitorPlayer(self.monitorMgr[key])
if type == ActionType.RESULTCHECKER:
return actionplayers.ResultCheckerPlayer(
self.resultCheckerMgr[key])
if type == ActionType.OPERATION:
return actionplayers.OperationPlayer(self.operationMgr[key])
LOG.debug("something run when creatactionplayer")
def createActionRollbacker(self, type, key):
LOG.debug(
"the type of current action is %s, the key is %s", type, key)
if type == ActionType.ATTACKER:
return actionrollbackers.AttackerRollbacker(self.attackerMgr[key])
if type == ActionType.OPERATION:
return actionrollbackers.OperationRollbacker(
self.operationMgr[key])
LOG.debug("no rollbacker created for %s", key)
def verify(self):
result = True
if hasattr(self, 'monitorMgr'):
result &= self.monitorMgr.verify_SLA()
if hasattr(self, 'resultCheckerMgr'):
result &= self.resultCheckerMgr.verify()
if result:
LOG.debug("monitors are passed")
return result
def stopMonitors(self):
if "monitors" in self.scenario_cfg["options"]:
self.monitorMgr.wait_monitors()
def knockoff(self):
LOG.debug("knock off ....")
while self.executionSteps:
singleStep = self.executionSteps.pop()
singleStep.rollback()
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