f84ec2ce07
This commit add part of reliability testing results. Scope of this commit is testing Nova API under several factors. Change-Id: Id3cb644ccf4bd315846399e6ac40a446297787f3
116 lines
3.7 KiB
Python
116 lines
3.7 KiB
Python
# Copyright 2014: 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
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# 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.
|
|
|
|
|
|
"""
|
|
Rully scrappy plugin
|
|
This is pluging was designed for OpenStack
|
|
reliability testing.
|
|
"""
|
|
|
|
from rally.common.i18n import _
|
|
from rally import consts
|
|
from rally.task import sla
|
|
import os
|
|
from rally.common import logging
|
|
from rally.common import streaming_algorithms as streaming
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
class MttrCalculation():
|
|
def __init__(self):
|
|
self.min_timestamp = streaming.MinComputation()
|
|
self.max_timestamp = streaming.MaxComputation()
|
|
self.mttr = 0
|
|
self.last_error_duration = 0
|
|
self.last_iteration = None
|
|
|
|
def add(self, iteration):
|
|
if iteration["error"]:
|
|
# Store duration of last error iteration
|
|
if self.max_timestamp.result() < iteration["timestamp"]:
|
|
self.last_error_duration = iteration["duration"]
|
|
|
|
self.min_timestamp.add(iteration["timestamp"])
|
|
self.max_timestamp.add(iteration["timestamp"])
|
|
LOG.info("TIMESTAMP: %s" % iteration["timestamp"])
|
|
|
|
self.last_iteration = iteration
|
|
|
|
def result(self):
|
|
self.mttr = round(self.max_timestamp.result() -
|
|
self.min_timestamp.result() +
|
|
self.last_error_duration, 2)
|
|
# SLA Context don't have information about iterations count,
|
|
# so assume that if last iteration completed with error,
|
|
# that cluster was not auto-healed
|
|
if self.last_iteration["error"]:
|
|
self.mttr = "Inf."
|
|
return(self.mttr)
|
|
|
|
|
|
@sla.configure(name="scrappy")
|
|
class Scrappy(sla.SLA):
|
|
"""Scrappy events."""
|
|
CONFIG_SCHEMA = {
|
|
"type": "object",
|
|
"$schema": consts.JSON_SCHEMA,
|
|
"properties": {
|
|
"on_iter": {"type": "number"},
|
|
"execute": {"type": "string"},
|
|
"cycle": {"type": "number"}
|
|
}
|
|
}
|
|
|
|
def __init__(self, criterion_value):
|
|
super(Scrappy, self).__init__(criterion_value)
|
|
self.on_iter = self.criterion_value.get("on_iter", None)
|
|
self.execute = self.criterion_value.get("execute", None)
|
|
self.cycle = self.criterion_value.get("cycle", 0)
|
|
self.errors = 0
|
|
self.total = 0
|
|
self.error_rate = 0.0
|
|
self.mttr = MttrCalculation()
|
|
|
|
def add_iteration(self, iteration):
|
|
self.total += 1
|
|
if iteration["error"]:
|
|
self.errors += 1
|
|
|
|
self.mttr.add(iteration)
|
|
|
|
"""Start iteration event"""
|
|
if self.on_iter == self.total:
|
|
LOG.info("Scrappy testing cycle: ITER: %s" % self.cycle)
|
|
LOG.info("Scrappy executing: %s" % self.on_iter)
|
|
os.system(self.execute)
|
|
|
|
self.error_rate = self.errors * 100.0 / self.total
|
|
self.success = self.error_rate <= 5
|
|
return self.success
|
|
|
|
def merge(self, other):
|
|
self.total += other.total
|
|
self.errors += other.errors
|
|
if self.total:
|
|
self.error_rate = self.errors * 100.0 / self.total
|
|
self.success = self.error_rate <= 5
|
|
return self.success
|
|
|
|
def details(self):
|
|
return (_("Scrappy failure rate %.2f%% MTTR %s seconds - %s") %
|
|
(self.error_rate, self.mttr.result(), self.status()))
|