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# Copyright 2016: Mirantis Inc.
# All Rights Reserved.
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from rally.common import logging
from rally.common import objects
from rally.task import hook
from rally_openstack import consts
LOG = logging.getLogger(__name__)
@hook.configure(name="fault_injection", platform="openstack")
class FaultInjectionHook(hook.HookAction):
"""Performs fault injection using os-faults library.
* action - string that represents an action (more info in [1])
* verify - whether to verify connection to cloud nodes or not
This plugin discovers extra config of ExistingCloud
and looks for "cloud_config" field. If cloud_config is present then
it will be used to connect to the cloud by os-faults.
Another option is to provide os-faults config file through
OS_FAULTS_CONFIG env variable. Format of the config can
be found in [1].
"type": "object",
"$schema": consts.JSON_SCHEMA,
"properties": {
"action": {"type": "string"},
"verify": {"type": "boolean"},
"required": [
"additionalProperties": False,
def get_cloud_config(self):
deployment = objects.Deployment.get(self.task["deployment_uuid"])
deployment_config = deployment["config"]
extra_config = deployment_config.get("extra", {})
return extra_config.get("cloud_config")
def run(self):
import os_faults
# get cloud configuration
cloud_config = self.get_cloud_config()
# connect to the cloud
injector = os_faults.connect(cloud_config)
# verify that all nodes are available
if self.config.get("verify"):
LOG.debug("Injecting fault: %s" % self.config["action"])
os_faults.human_api(injector, self.config["action"])
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