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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 pkg_resources
import logging
import os
import yardstick.common.utils as utils
from yardstick.common.yaml_loader import yaml_load
LOG = logging.getLogger(__name__)
attacker_conf_path = pkg_resources.resource_filename(
"yardstick.benchmark.scenarios.availability",
"attacker_conf.yaml")
class AttackerMgr(object):
def __init__(self):
self._attacker_list = []
self.data = {}
def init_attackers(self, attacker_cfgs, context):
LOG.debug("attackerMgr confg: %s", attacker_cfgs)
for cfg in attacker_cfgs:
attacker_cls = BaseAttacker.get_attacker_cls(cfg)
attacker_ins = attacker_cls(cfg, context)
attacker_ins.key = cfg['key']
attacker_ins.setup()
self._attacker_list.append(attacker_ins)
self.data = dict(self.data.items() + attacker_ins.data.items())
return self.data
def __getitem__(self, item):
for obj in self._attacker_list:
if(obj.key == item):
return obj
def recover(self):
for _instance in self._attacker_list:
_instance.recover()
class BaseAttacker(object):
attacker_cfgs = {}
def __init__(self, config, context):
if not BaseAttacker.attacker_cfgs:
with open(attacker_conf_path) as stream:
BaseAttacker.attacker_cfgs = yaml_load(stream)
self._config = config
self._context = context
self.data = {}
self.setup_done = False
self.intermediate_variables = {}
@staticmethod
def get_attacker_cls(attacker_cfg):
"""return attacker instance of specified type"""
attacker_type = attacker_cfg['fault_type']
for attacker_cls in utils.itersubclasses(BaseAttacker):
if attacker_type == attacker_cls.__attacker_type__:
return attacker_cls
raise RuntimeError("No such runner_type %s" % attacker_type)
def get_script_fullpath(self, path):
base_path = os.path.dirname(attacker_conf_path)
return os.path.join(base_path, path)
def recover(self):
pass
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