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##############################################################################
# Copyright (c) 2017 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
##############################################################################
import logging
from yardstick.common import openstack_utils
from yardstick.common import exceptions
from yardstick.benchmark.scenarios import base
LOG = logging.getLogger(__name__)
class DetachVolume(base.Scenario):
"""Detach a volume from an instance"""
__scenario_type__ = "DetachVolume"
def __init__(self, scenario_cfg, context_cfg):
self.scenario_cfg = scenario_cfg
self.context_cfg = context_cfg
self.options = self.scenario_cfg["options"]
self.server = self.options["server_name_or_id"]
self.volume = self.options["volume_name_or_id"]
self.wait = self.options.get("wait", True)
self.timeout = self.options.get("timeout")
self.shade_client = openstack_utils.get_shade_client()
self.setup_done = False
def setup(self):
"""scenario setup"""
self.setup_done = True
def run(self, result):
"""execute the test"""
if not self.setup_done:
self.setup()
status = openstack_utils.detach_volume(
self.shade_client, self.server, self.volume,
wait=self.wait, timeout=self.timeout)
if not status:
result.update({"detach_volume": 0})
LOG.error("Detach volume from server failed!")
raise exceptions.ScenarioDetachVolumeError
result.update({"detach_volume": 1})
LOG.info("Detach volume from server successful!")
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