def WriteFlowObject(*args, **kwargs):
with mock.patch.object(data_store.REL_DB.delegate,
"WriteFlowObject", original):
try:
hunt.StartHuntFlowOnClient(client_id, hunt_id)
except Exception as e:
raise AssertionError(e)
return data_store.REL_DB.WriteFlowObject(*args, **kwargs)
def _RunAction(self, rule, client_id):
"""Run all the actions specified in the rule.
Args:
rule: Rule which actions are to be executed.
client_id: Id of a client where rule's actions are to be executed.
Returns:
Number of actions started.
"""
actions_count = 0
try:
if self._CheckIfHuntTaskWasAssigned(client_id, rule.hunt_id):
logging.info(
"Foreman: ignoring hunt %s on client %s: was started "
"here before", client_id, rule.hunt_id)
else:
# hunt_name is only used for legacy hunts.
if rule.hunt_name:
flow_cls = registry.AFF4FlowRegistry.FlowClassByName(
rule.hunt_name)
hunt_urn = rdfvalue.RDFURN("aff4:/hunts/%s" % rule.hunt_id)
flow_cls.StartClients(hunt_urn, [client_id])
else:
try:
hunt.StartHuntFlowOnClient(client_id, rule.hunt_id)
logging.info("Foreman: Started hunt %s on client %s.",
rule.hunt_id, client_id)
except flow.CanNotStartFlowWithExistingIdError:
logging.info(
"Foreman: ignoring hunt %s on client %s: was started "
"here before", client_id, rule.hunt_id)
actions_count += 1
# There could be all kinds of errors we don't know about when starting the
# hunt so we catch everything here.
except Exception as e: # pylint: disable=broad-except
logging.exception(
"Failure running foreman action on client %s: %s",
rule.hunt_id, e)
return actions_count
def testScheduleHuntRaceCondition(self):
client_id = self.SetupClient(0)
hunt_id = self._CreateHunt(args=self.GetFileHuntArgs())
original = data_store.REL_DB.delegate.WriteFlowObject
def WriteFlowObject(*args, **kwargs):
with mock.patch.object(data_store.REL_DB.delegate, "WriteFlowObject",
original):
try:
hunt.StartHuntFlowOnClient(client_id, hunt_id)
except Exception as e:
raise AssertionError(e)
return data_store.REL_DB.WriteFlowObject(*args, **kwargs)
# Patch WriteFlowObject to execute another hunt.StartHuntFlowOnClient() for
# the same flow and client during the initial StartHuntFlowOnClient().
with mock.patch.object(data_store.REL_DB.delegate, "WriteFlowObject",
WriteFlowObject):
with self.assertRaises(hunt.flow.CanNotStartFlowWithExistingIdError):
hunt.StartHuntFlowOnClient(client_id, hunt_id)
def _RunAction(self, rule, client_id):
"""Run all the actions specified in the rule.
Args:
rule: Rule which actions are to be executed.
client_id: Id of a client where rule's actions are to be executed.
Returns:
Number of actions started.
"""
actions_count = 0
try:
if self._CheckIfHuntTaskWasAssigned(client_id, rule.hunt_id):
logging.info(
"Foreman: ignoring hunt %s on client %s: was started "
"here before", rule.hunt_id, client_id)
else:
try:
hunt.StartHuntFlowOnClient(client_id, rule.hunt_id)
logging.info("Foreman: Started hunt %s on client %s.",
rule.hunt_id, client_id)
except flow.CanNotStartFlowWithExistingIdError:
logging.info(
"Foreman: ignoring hunt %s on client %s: was started "
"here before", rule.hunt_id, client_id)
actions_count += 1
# There could be all kinds of errors we don't know about when starting the
# hunt so we catch everything here.
except Exception as e: # pylint: disable=broad-except
logging.exception(
"Failure running foreman action on client %s: %s",
rule.hunt_id, e)
return actions_count