yardstick/benchmark/scenarios/availability/attacker/baseattacker.py

   1 ##############################################################################
   2 # Copyright (c) 2015 Huawei Technologies Co.,Ltd. and others
   3 #
   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 import pkg_resources
  10 import yaml
  11 import logging
  12 import os
  13
  14 import yardstick.common.utils as utils
  15
  16 LOG = logging.getLogger(__name__)
  17
  18 attacker_conf_path = pkg_resources.resource_filename(
  19     "yardstick.benchmark.scenarios.availability.attacker",
  20     "attacker_conf.yaml")
  21
  22
  23 class BaseAttacker(object):
  24
  25     attacker_cfgs = {}
  26
  27     def __init__(self, config, context):
  28         if not BaseAttacker.attacker_cfgs:
  29             with open(attacker_conf_path) as stream:
  30                 BaseAttacker.attacker_cfgs = yaml.load(stream)
  31
  32         self._config = config
  33         self._context = context
  34         self.setup_done = False
  35
  36     @staticmethod
  37     def get_attacker_cls(attacker_cfg):
  38         '''return attacker instance of specified type'''
  39         attacker_type = attacker_cfg['fault_type']
  40         for attacker_cls in utils.itersubclasses(BaseAttacker):
  41             if attacker_type == attacker_cls.__attacker_type__:
  42                 return attacker_cls
  43         raise RuntimeError("No such runner_type %s" % attacker_type)
  44
  45     def get_script_fullpath(self, path):
  46         base_path = os.path.dirname(attacker_conf_path)
  47         return os.path.join(base_path, path)