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# 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.
"""
SLA (Service-level agreement) is set of details for determining compliance
with contracted values such as maximum error rate or minimum response time.
"""
from rally.task import sla
@sla.configure(name="max_seconds_per_iteration")
class IterationTime(sla.SLA):
"""Maximum time for one iteration in seconds."""
CONFIG_SCHEMA = {"type": "number", "minimum": 0.0,
"exclusiveMinimum": True}
def __init__(self, criterion_value):
super(IterationTime, self).__init__(criterion_value)
self.max_iteration_time = 0.0
def add_iteration(self, iteration):
if iteration["duration"] > self.max_iteration_time:
self.max_iteration_time = iteration["duration"]
self.success = self.max_iteration_time <= self.criterion_value
return self.success
def merge(self, other):
if other.max_iteration_time > self.max_iteration_time:
self.max_iteration_time = other.max_iteration_time
self.success = self.max_iteration_time <= self.criterion_value
return self.success
def details(self):
return ("Maximum seconds per iteration %.2fs <= %.2fs - %s" %
(self.max_iteration_time, self.criterion_value, self.status()))
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