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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 pkg_resources
import yaml
import logging
import os
import yardstick.common.utils as utils
LOG = logging.getLogger(__name__)
operation_conf_path = pkg_resources.resource_filename(
"yardstick.benchmark.scenarios.availability",
"operation_conf.yaml")
class OperationMgr(object):
def __init__(self):
self._operation_list = []
def init_operations(self, operation_cfgs, context):
LOG.debug("operationMgr confg: %s", operation_cfgs)
for cfg in operation_cfgs:
operation_type = cfg['operation_type']
operation_cls = BaseOperation.get_operation_cls(operation_type)
operation_ins = operation_cls(cfg, context)
operation_ins.key = cfg['key']
operation_ins.setup()
self._operation_list.append(operation_ins)
def __getitem__(self, item):
for obj in self._operation_list:
if(obj.key == item):
return obj
raise KeyError("No such operation instance of key - %s" % item)
def rollback(self):
for _instance in self._operation_list:
_instance.rollback()
class BaseOperation(object):
operation_cfgs = {}
def __init__(self, config, context):
if not BaseOperation.operation_cfgs:
with open(operation_conf_path) as stream:
BaseOperation.operation_cfgs = yaml.load(stream)
self.key = ''
self._config = config
self._context = context
@staticmethod
def get_operation_cls(type):
"""return operation instance of specified type"""
operation_type = type
for operation_cls in utils.itersubclasses(BaseOperation):
if operation_type == operation_cls.__operation__type__:
return operation_cls
raise RuntimeError("No such runner_type %s" % operation_type)
def get_script_fullpath(self, path):
base_path = os.path.dirname(operation_conf_path)
return os.path.join(base_path, path)
def setup(self):
pass
def run(self):
pass
def rollback(self):
pass
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