1 # Copyright 2014: Mirantis Inc.
4 # Licensed under the Apache License, Version 2.0 (the "License"); you may
5 # not use this file except in compliance with the License. You may obtain
6 # a copy of the License at
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 # License for the specific language governing permissions and limitations
16 # yardstick comment: this is a modified copy of
17 # rally/rally/benchmark/runners/constant.py
19 """A runner that every run changes a specified input value to the scenario.
20 The input value in the sequence is specified in a list in the input file.
23 from __future__ import absolute_import
25 import multiprocessing
30 from yardstick.benchmark.runners import base
32 LOG = logging.getLogger(__name__)
35 def _worker_process(queue, cls, method_name, scenario_cfg,
36 context_cfg, aborted, output_queue):
40 runner_cfg = scenario_cfg['runner']
42 interval = runner_cfg.get("interval", 1)
43 arg_name = runner_cfg.get('scenario_option_name')
44 sequence_values = runner_cfg.get('sequence')
46 if 'options' not in scenario_cfg:
47 scenario_cfg['options'] = {}
49 options = scenario_cfg['options']
51 runner_cfg['runner_id'] = os.getpid()
53 LOG.info("worker START, sequence_values(%s, %s), class %s",
54 arg_name, sequence_values, cls)
56 benchmark = cls(scenario_cfg, context_cfg)
58 method = getattr(benchmark, method_name)
61 if "sla" in scenario_cfg:
62 sla_action = scenario_cfg["sla"].get("action", "assert")
64 for value in sequence_values:
65 options[arg_name] = value
67 LOG.debug("runner=%(runner)s seq=%(sequence)s START",
68 {"runner": runner_cfg["runner_id"], "sequence": sequence})
75 except AssertionError as assertion:
76 # SLA validation failed in scenario, determine what to do now
77 if sla_action == "assert":
79 elif sla_action == "monitor":
80 LOG.warning("SLA validation failed: %s", assertion.args)
81 errors = assertion.args
82 except Exception as e:
83 errors = traceback.format_exc()
87 output_queue.put(result)
92 'timestamp': time.time(),
98 queue.put(benchmark_output)
100 LOG.debug("runner=%(runner)s seq=%(sequence)s END",
101 {"runner": runner_cfg["runner_id"], "sequence": sequence})
105 if (errors and sla_action is None) or aborted.is_set():
109 LOG.info("worker END")
112 class SequenceRunner(base.Runner):
113 """Run a scenario by changing an input value defined in a list
116 interval - time to wait between each scenario invocation
120 scenario_option_name - name of the option that is increased each invocation
124 sequence - list of values which are executed in their respective scenarios
130 __execution_type__ = 'Sequence'
132 def _run_benchmark(self, cls, method, scenario_cfg, context_cfg):
133 self.process = multiprocessing.Process(
134 target=_worker_process,
135 args=(self.result_queue, cls, method, scenario_cfg,
136 context_cfg, self.aborted, self.output_queue))