def parse(self):
"""parses the task file and return an context and scenario instances"""
print "Parsing task config:", self.path
try:
with open(self.path) as stream:
cfg = yaml.load(stream)
except IOError as ioerror:
sys.exit(ioerror)
if cfg["schema"] != "yardstick:task:0.1":
sys.exit("error: file %s has unknown schema %s" % (self.path, cfg["schema"]))
# TODO: support one or many contexts? Many would simpler and precise
if "context" in cfg:
context_cfgs = [cfg["context"]]
else:
context_cfgs = cfg["contexts"]
for cfg_attrs in context_cfgs:
context = Context()
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
