def test_raises_unhandled_error(self):
path = tempfile.mkdtemp()
self.addCleanup(shutil.rmtree, path)
with self.assertRaises(IOError):
AgentUUID.load(path)
def test_load(self):
data = uuid4()
path = self.create_file(str(data))
self.assertEqual(AgentUUID.load(path), data)
def test_load_from_missing_path(self):
path = self.create_file()
os.remove(path)
self.assertIsNone(AgentUUID.load(path))
def __call__(self):
logger.debug("Parsing command line arguments")
self.args = self.parser.parse_args()
# No daemon mode must be set with --pdb-on-unhanded, without this
# you could end up with a blocking agent and no way of knowing
# about it.
if not self.args.no_daemon and self.args.pdb_on_unhandled:
self.parser.error(
"You cannot set --pdb-on-unhandled without --no-daemon")
if self.args.pdb_on_unhandled:
Observer.PDB_ON_UNHANDLED_ERROR = True
def excepthook(exctype, value, traceback):
pdb.set_trace()
sys.excepthook = excepthook
if not config["master"] and self.args.target_name == "start":
self.parser.error(
"--master must be provided (ex. "
"'pyfarm-agent --master=foobar start')")
# if we're on windows, produce some warnings about
# flags which are not supported
if WINDOWS and self.args.uid:
logger.warning("--uid is not currently supported on Windows")
if WINDOWS and self.args.gid:
logger.warning("--gid is not currently supported on Windows")
if WINDOWS and self.args.no_daemon:
logger.warning("--no-daemon is not currently supported on Windows")
if self.args.agent_id is None:
agent_id = AgentUUID.load(self.args.agent_id_file)
# No agent id saved, generate one then try to save it. If we
# can't then an error will be raised when AgentUUID.save is called.
if agent_id is None:
agent_id = AgentUUID.generate()
AgentUUID.save(agent_id, self.args.agent_id_file)
self.args.agent_id = agent_id
# A custom --agent-id was provided, warn if it varies from one
# we load from disk. We won't try to save it however because
# that could cause conflicts if someone is using --agent-id
# and trying to run multiple agents.
else:
saved_agent_id = AgentUUID.load(self.args.agent_id_file)
if (saved_agent_id is not None
and saved_agent_id != self.args.agent_id):
logger.warning(
"Custom agent ID has been provided by --agent-id")
config["agent_id"] = self.args.agent_id
if self.args.target_name == "start":
# update configuration with values from the command line
config_flags = {
"state": self.args.state,
"pids": {
"parent": os.getpid()}}
config.update(config_flags)
return_code = self.args.target_func()
# If a specific return code is provided then use it
# directly in sys.exit
if isinstance(return_code, INTEGER_TYPES):
sys.exit(return_code)