def test_unknown_error(self):
"""
Unknown error occurs. It is logged and not propagated.
"""
del_pol_ids = set()
self.maybe_exec_policy.return_value = defer.fail(ValueError(4))
d = execute_event("disp", self.mock_store, self.log, self.event, del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.assertEqual(len(del_pol_ids), 0)
self.log.err.assert_called_with(CheckFailure(ValueError), "sch-exec-pol-err", cloud_feed=True, **self.log_args)
def test_deleted_group_event(self):
"""
Executing event whose group has been deleted. It captures policyId in
deleted_policy_ids and does not call maybe_execute_scaling_policy
"""
del_pol_ids = set()
self.mock_group.modify_state.side_effect = lambda *_: defer.fail(NoSuchScalingGroupError(1, 2))
d = execute_event(self.mock_store, self.log, self.event, del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.assertEqual(del_pol_ids, set(['pol44']))
self.assertFalse(self.maybe_exec_policy.called)
def test_deleted_group_event(self):
"""This event's group has been deleted.
Its policyId is logged, and no attempt is made to execute it.
"""
del_pol_ids = set()
self.mock_mt.side_effect = lambda *_, **__: defer.fail(NoSuchScalingGroupError(1, 2))
d = execute_event("disp", self.mock_store, self.log, self.event, del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.assertEqual(del_pol_ids, set(["pol44"]))
self.assertFalse(self.maybe_exec_policy.called)
def test_unknown_error(self):
"""
Unknown error occurs. It is logged and not propogated
"""
del_pol_ids = set()
self.log.bind.return_value.err.return_value = None
self.maybe_exec_policy.return_value = defer.fail(ValueError(4))
d = execute_event(self.mock_store, self.log, self.event, del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.assertEqual(len(del_pol_ids), 0)
self.log.bind.return_value.err.assert_called_with(
CheckFailure(ValueError), 'Scheduler failed to execute policy {policy_id}')
def test_deleted_policy_event(self):
"""
Policy corresponding to the event has deleted. It captures
policyId in deleted_policy_ids and does not call maybe_execute_scaling_policy
"""
del_pol_ids = set()
self.mock_group.modify_state.side_effect = (
lambda *_: defer.fail(NoSuchPolicyError(1, 2, 3)))
d = execute_event(self.mock_store, self.log, self.event, del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.assertEqual(del_pol_ids, set(['pol44']))
self.assertFalse(self.maybe_exec_policy.called)
def test_semantic_prob(self):
"""
Policy execution causes semantic error like cooldowns not met.
i.e. CannotExecutePolicyError is captured and logged
"""
del_pol_ids = set()
self.maybe_exec_policy.return_value = defer.fail(CannotExecutePolicyError(*range(4)))
d = execute_event(self.mock_store, self.log, self.event, del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.assertEqual(len(del_pol_ids), 0)
self.log.bind.return_value.msg.assert_called_with(
'Scheduler cannot execute policy {policy_id}',
reason=CheckFailure(CannotExecutePolicyError))
def test_deleted_group_event(self):
"""This event's group has been deleted.
Its policyId is logged, and no attempt is made to execute it.
"""
del_pol_ids = set()
self.mock_mt.side_effect = \
lambda *_, **__: defer.fail(NoSuchScalingGroupError(1, 2))
d = execute_event("disp", self.mock_store, self.log, self.event,
del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.assertEqual(del_pol_ids, set(['pol44']))
self.assertFalse(self.maybe_exec_policy.called)
def test_semantic_prob(self):
"""
Policy execution causes semantic error like cooldowns not met.
i.e. CannotExecutePolicyError is captured and logged.
"""
del_pol_ids = set()
self.maybe_exec_policy.return_value = defer.fail(CannotExecutePolicyError(*range(4)))
d = execute_event("disp", self.mock_store, self.log, self.event, del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.assertEqual(len(del_pol_ids), 0)
self.log.msg.assert_called_with(
"sch-cannot-exec", reason=CheckFailure(CannotExecutePolicyError), cloud_feed=True, **self.log_args
)
def test_unknown_error(self):
"""
Unknown error occurs. It is logged and not propagated.
"""
del_pol_ids = set()
self.maybe_exec_policy.return_value = defer.fail(ValueError(4))
d = execute_event("disp", self.mock_store, self.log, self.event,
del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.assertEqual(len(del_pol_ids), 0)
self.log.err.assert_called_with(CheckFailure(ValueError),
"sch-exec-pol-err",
cloud_feed=True,
**self.log_args)
def test_event_executed(self):
"""
Event is executed successfully and appropriate logs logged
"""
del_pol_ids = set()
d = execute_event(self.mock_store, self.log, self.event, del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.log.bind.assert_called_with(**self.log_args)
log = self.log.bind.return_value
log.msg.assert_called_once_with('Scheduler executing policy {policy_id}')
self.maybe_exec_policy.assert_called_once_with(
log, 'transaction-id', self.mock_group, self.mock_state,
policy_id=self.event['policyId'], version=self.event['version'])
self.assertTrue(self.mock_group.modify_state.called)
self.assertEqual(self.new_state, 'newstate')
self.assertEqual(len(del_pol_ids), 0)
def test_semantic_prob(self):
"""
Policy execution causes semantic error like cooldowns not met.
i.e. CannotExecutePolicyError is captured and logged.
"""
del_pol_ids = set()
self.maybe_exec_policy.return_value = defer.fail(
CannotExecutePolicyError(*range(4)))
d = execute_event("disp", self.mock_store, self.log, self.event,
del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.assertEqual(len(del_pol_ids), 0)
self.log.msg.assert_called_with(
"sch-cannot-exec",
reason=CheckFailure(CannotExecutePolicyError),
cloud_feed=True,
**self.log_args)
def test_event_executed(self):
"""
Event is executed successfully and appropriate logs logged.
"""
del_pol_ids = set()
d = execute_event("disp", self.mock_store, self.log, self.event, del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.log.msg.assert_called_once_with("sch-exec-pol", cloud_feed=True, **self.log_args)
self.maybe_exec_policy.assert_called_once_with(
matches(IsBoundWith(**self.log_args)),
"transaction-id",
self.mock_group,
"state",
policy_id=self.event["policyId"],
version=self.event["version"],
)
self.assertTrue(self.mock_mt.called)
self.assertEqual(self.new_state, "newstate")
self.assertEqual(len(del_pol_ids), 0)
def test_event_executed(self):
"""
Event is executed successfully and appropriate logs logged.
"""
del_pol_ids = set()
d = execute_event("disp", self.mock_store, self.log, self.event,
del_pol_ids)
self.assertIsNone(self.successResultOf(d))
self.log.msg.assert_called_once_with("sch-exec-pol",
cloud_feed=True,
**self.log_args)
self.maybe_exec_policy.assert_called_once_with(
matches(IsBoundWith(**self.log_args)),
'transaction-id',
self.mock_group,
"state",
policy_id=self.event['policyId'],
version=self.event['version'])
self.assertTrue(self.mock_mt.called)
self.assertEqual(self.new_state, 'newstate')
self.assertEqual(len(del_pol_ids), 0)
