- def do_start(self, args):
- '''Start a benchmark scenario.'''
-
- atexit.register(atexit_handler)
-
- total_start_time = time.time()
- parser = TaskParser(args.inputfile[0])
-
- suite_params = {}
- if args.suite:
- suite_params = parser.parse_suite()
- test_cases_dir = suite_params["test_cases_dir"]
- if test_cases_dir[-1] != os.sep:
- test_cases_dir += os.sep
- task_files = [test_cases_dir + task
- for task in suite_params["task_fnames"]]
- else:
- task_files = [parser.path]
-
- task_args = suite_params.get("task_args", [args.task_args])
- task_args_fnames = suite_params.get("task_args_fnames",
- [args.task_args_file])
-
- if args.parse_only:
- sys.exit(0)
-
- if os.path.isfile(args.output_file):
- os.remove(args.output_file)
-
- for i in range(0, len(task_files)):
- one_task_start_time = time.time()
- parser.path = task_files[i]
- scenarios, run_in_parallel = parser.parse_task(task_args[i],
- task_args_fnames[i])
-
- self._run(scenarios, run_in_parallel, args.output_file)
-
- if args.keep_deploy:
- # keep deployment, forget about stack
- # (hide it for exit handler)
- Context.list = []
- else:
- for context in Context.list:
- context.undeploy()
- Context.list = []
- one_task_end_time = time.time()
- LOG.info("task %s finished in %d secs", task_files[i],
- one_task_end_time - one_task_start_time)
-
- total_end_time = time.time()
- LOG.info("total finished in %d secs",
- total_end_time - total_start_time)
-
- print "Done, exiting"
-
- def _run(self, scenarios, run_in_parallel, output_file):
- '''Deploys context and calls runners'''
- for context in Context.list:
- context.deploy()
-
- runners = []
- if run_in_parallel:
- for scenario in scenarios:
- runner = run_one_scenario(scenario, output_file)
- runners.append(runner)
-
- # Wait for runners to finish
- for runner in runners:
- runner_join(runner)
- print "Runner ended, output in", output_file
- else:
- # run serially
- for scenario in scenarios:
- runner = run_one_scenario(scenario, output_file)
- runner_join(runner)
- print "Runner ended, output in", output_file
-
-# TODO: Move stuff below into TaskCommands class !?
-
-
-class TaskParser(object):
- '''Parser for task config files in yaml format'''
- def __init__(self, path):
- self.path = path
-
- def parse_suite(self):
- '''parse the suite file and return a list of task config file paths
- and lists of optional parameters if present'''
- print "Parsing suite file:", self.path
-
- try:
- with open(self.path) as stream:
- cfg = yaml.load(stream)
- except IOError as ioerror:
- sys.exit(ioerror)
-
- self._check_schema(cfg["schema"], "suite")
- print "Starting suite:", cfg["name"]
-
- test_cases_dir = cfg.get("test_cases_dir", test_cases_dir_default)
- task_fnames = []
- task_args = []
- task_args_fnames = []
-
- for task in cfg["test_cases"]:
- task_fnames.append(task["file_name"])
- if "task_args" in task:
- task_args.append(task["task_args"])
- else:
- task_args.append(None)
-
- if "task_args_file" in task:
- task_args_fnames.append(task["task_args_file"])
- else:
- task_args_fnames.append(None)
-
- suite_params = {
- "test_cases_dir": test_cases_dir,
- "task_fnames": task_fnames,
- "task_args": task_args,
- "task_args_fnames": task_args_fnames
- }
-
- return suite_params
-
- def parse_task(self, task_args=None, task_args_file=None):
- '''parses the task file and return an context and scenario instances'''
- print "Parsing task config:", self.path
-
- try:
- kw = {}
- if task_args_file:
- with open(task_args_file) as f:
- kw.update(parse_task_args("task_args_file", f.read()))
- kw.update(parse_task_args("task_args", task_args))
- except TypeError:
- raise TypeError()
-
- try:
- with open(self.path) as f:
- try:
- input_task = f.read()
- rendered_task = TaskTemplate.render(input_task, **kw)
- except Exception as e:
- print(("Failed to render template:\n%(task)s\n%(err)s\n")
- % {"task": input_task, "err": e})
- raise e
- print(("Input task is:\n%s\n") % rendered_task)
-
- cfg = yaml.load(rendered_task)
- except IOError as ioerror:
- sys.exit(ioerror)
-
- self._check_schema(cfg["schema"], "task")
-
- # TODO: support one or many contexts? Many would simpler and precise
- # TODO: support hybrid context type
- if "context" in cfg:
- context_cfgs = [cfg["context"]]
- else:
- context_cfgs = cfg["contexts"]
-
- for cfg_attrs in context_cfgs:
- context_type = cfg_attrs.get("type", "Heat")
- if "Heat" == context_type and "networks" in cfg_attrs:
- # config external_network based on env var
- for _, attrs in cfg_attrs["networks"].items():
- attrs["external_network"] = os.environ.get(
- 'EXTERNAL_NETWORK', 'net04_ext')
- context = Context.get(context_type)
- context.init(cfg_attrs)
-
- run_in_parallel = cfg.get("run_in_parallel", False)
-
- # TODO we need something better here, a class that represent the file
- return cfg["scenarios"], run_in_parallel
-
- def _check_schema(self, cfg_schema, schema_type):
- '''Check if config file is using the correct schema type'''
-
- if cfg_schema != "yardstick:" + schema_type + ":0.1":
- sys.exit("error: file %s has unknown schema %s" % (self.path,
- cfg_schema))
-
-
-def atexit_handler():
- '''handler for process termination'''
- base_runner.Runner.terminate_all()
-
- if len(Context.list) > 0:
- print "Undeploying all contexts"
- for context in Context.list:
- context.undeploy()
-
-
-def is_ip_addr(addr):
- '''check if string addr is an IP address'''
- try:
- ipaddress.ip_address(unicode(addr))
- return True
- except ValueError:
- return False
-
-
-def _is_same_heat_context(host_attr, target_attr):
- '''check if two servers are in the same heat context
- host_attr: either a name for a server created by yardstick or a dict
- with attribute name mapping when using external heat templates
- target_attr: either a name for a server created by yardstick or a dict
- with attribute name mapping when using external heat templates
- '''
- host = None
- target = None
- for context in Context.list:
- if context.__context_type__ != "Heat":
- continue
-
- host = context._get_server(host_attr)
- if host is None:
- continue
-
- target = context._get_server(target_attr)
- if target is None:
- return False
-
- # Both host and target is not None, then they are in the
- # same heat context.
- return True
-
- return False
-
-
-def run_one_scenario(scenario_cfg, output_file):
- '''run one scenario using context'''
- runner_cfg = scenario_cfg["runner"]
- runner_cfg['output_filename'] = output_file
-
- # TODO support get multi hosts/vms info
- context_cfg = {}
- if "host" in scenario_cfg:
- context_cfg['host'] = Context.get_server(scenario_cfg["host"])
-
- if "target" in scenario_cfg:
- if is_ip_addr(scenario_cfg["target"]):
- context_cfg['target'] = {}
- context_cfg['target']["ipaddr"] = scenario_cfg["target"]
- else:
- context_cfg['target'] = Context.get_server(scenario_cfg["target"])
- if _is_same_heat_context(scenario_cfg["host"],
- scenario_cfg["target"]):
- context_cfg["target"]["ipaddr"] = \
- context_cfg["target"]["private_ip"]
- else:
- context_cfg["target"]["ipaddr"] = \
- context_cfg["target"]["ip"]
-
- if "nodes" in scenario_cfg:
- context_cfg["nodes"] = parse_nodes_with_context(scenario_cfg)
- runner = base_runner.Runner.get(runner_cfg)
-
- print "Starting runner of type '%s'" % runner_cfg["type"]
- runner.run(scenario_cfg, context_cfg)
-
- return runner
-
-
-def parse_nodes_with_context(scenario_cfg):
- '''paras the 'nodes' fields in scenario '''
- nodes = scenario_cfg["nodes"]
-
- nodes_cfg = {}
- for nodename in nodes:
- nodes_cfg[nodename] = Context.get_server(nodes[nodename])
-
- return nodes_cfg
-
-
-def runner_join(runner):
- '''join (wait for) a runner, exit process at runner failure'''
- status = runner.join()
- base_runner.Runner.release(runner)
- if status != 0:
- sys.exit("Runner failed")
-
-
-def print_invalid_header(source_name, args):
- print(("Invalid %(source)s passed:\n\n %(args)s\n")
- % {"source": source_name, "args": args})
-
-
-def parse_task_args(src_name, args):
- try:
- kw = args and yaml.safe_load(args)
- kw = {} if kw is None else kw
- except yaml.parser.ParserError as e:
- print_invalid_header(src_name, args)
- print(("%(source)s has to be YAML. Details:\n\n%(err)s\n")
- % {"source": src_name, "err": e})
- raise TypeError()
-
- if not isinstance(kw, dict):
- print_invalid_header(src_name, args)
- print(("%(src)s had to be dict, actually %(src_type)s\n")
- % {"src": src_name, "src_type": type(kw)})
- raise TypeError()
- return kw