68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
# Copyright (c) 2015 Mirantis Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import json
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from shaker.engine.executors import base
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from shaker.engine import utils
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FLENT_EXEC = 'zcat `%s 2>&1 | grep "file written" | grep -Po "\\./\\S+gz"`'
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FLENT_EXTRA_TIME = 10 # by default flent adds by 5 secs before and after run
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class FlentExecutor(base.BaseExecutor):
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def get_command(self):
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cmd = base.CommandLine('flent')
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cmd.add('-H', self.test_definition.get('host') or
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self.agent['minion']['ip'])
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cmd.add('-l', self.test_definition.get('time') or 60)
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cmd.add('-s', self.test_definition.get('interval') or 1)
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cmd.add(self.test_definition.get('method') or 'tcp_download')
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flent_cmd = cmd.make()
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return base.Script(FLENT_EXEC % flent_cmd['data']).make()
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def get_expected_duration(self):
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return (super(FlentExecutor, self).get_expected_duration() +
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FLENT_EXTRA_TIME)
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def process_reply(self, message):
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result = super(FlentExecutor, self).process_reply(message)
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stdout = result['stdout']
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if not stdout:
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raise base.ExecutorException(
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result,
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'Flent returned no data, stderr: %s' % result['stderr'])
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data = json.loads(stdout)
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series_meta = data['metadata']['SERIES_META']
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columns = sorted(series_meta.keys())
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meta = ([['time', 's']] +
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[[utils.strict(k), series_meta[k]['UNITS']] for k in columns])
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samples = []
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for i in range(len(data['x_values'])):
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line = [data['x_values'][i]]
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for el in columns:
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line.append(data['results'][el][i])
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samples.append(line)
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result['meta'] = meta
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result['samples'] = samples
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return result
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