def test_place_with_resource_constraints(self, client_class):
client_class.side_effect = self.create_fake_client
bar_client = MagicMock()
bar_response = PlaceResponse(PlaceResultCode.OK, agent_id="bar",
score=Score(5, 90))
bar_client.place.return_value = bar_response
self._clients["bar"] = bar_client
baz_client = MagicMock()
baz_response = PlaceResponse(PlaceResultCode.OK, agent_id="baz",
score=Score(30, 80))
baz_client.place.return_value = baz_response
self._clients["baz"] = baz_client
scheduler = BranchScheduler("foo", 9)
scheduler.configure([
ChildInfo(id="bar", address="bar", constraints=[
ResourceConstraint(ResourceConstraintType.DATASTORE, ["1"])]),
ChildInfo(id="baz", address="baz", constraints=[
ResourceConstraint(ResourceConstraintType.DATASTORE, ["2"])])])
request = self._place_request()
request.resource.vm.resource_constraints = [ResourceConstraint(
ResourceConstraintType.DATASTORE, ["1"])]
response = scheduler.place(request)
assert_that(response.result, is_(PlaceResultCode.OK))
assert_that(response.agent_id, is_("bar"))
def test_place_sampling(self, shuffle, client_class):
client_class.side_effect = self.create_fake_client
shuffle.side_effect = self.fake_shuffle(
[ChildInfo(id="bar", address="bar"),
ChildInfo(id="baz", address="baz"),
ChildInfo(id="qux", address="qux")])
bar_client = MagicMock()
bar_response = PlaceResponse(PlaceResultCode.OK, agent_id="bar",
score=Score(5, 90))
bar_client.place.return_value = bar_response
self._clients["bar"] = bar_client
baz_client = MagicMock()
baz_response = PlaceResponse(PlaceResultCode.OK, agent_id="baz",
score=Score(30, 80))
baz_client.place.return_value = baz_response
self._clients["baz"] = baz_client
scheduler = BranchScheduler("foo", 9)
scheduler.configure([ChildInfo(id="qux", address="qux"),
ChildInfo(id="bar", address="bar"),
ChildInfo(id="baz", address="baz")])
response = scheduler.place(self._place_request())
assert_that(response, is_(same_instance(baz_response)))
def test_find_sets_scheduler_id(self, client_class):
client_class.side_effect = self.create_fake_client
client = MagicMock()
self._clients["bar"] = client
scheduler = BranchScheduler("foo", 9)
scheduler.configure([ChildInfo(id="bar", address="bar")])
scheduler.find(FindRequest())
client.find.assert_called_with(FindRequest(scheduler_id="bar"))
def test_place_with_resource_constraints_no_match(self):
scheduler = BranchScheduler("foo", 9)
scheduler.configure([
ChildInfo(id="bar", constraints=[
ResourceConstraint(ResourceConstraintType.DATASTORE, ["1"])]),
ChildInfo(id="baz", constraints=[
ResourceConstraint(ResourceConstraintType.DATASTORE, ["2"])])])
request = self._place_request()
request.resource.vm.resource_constraints = [ResourceConstraint(
"datastore", ["never_found"])]
response = scheduler.place(request)
assert_that(response.result, is_(PlaceResultCode.RESOURCE_CONSTRAINT))
def test_place_timeout(self, client_class, wait_fn):
client_class.side_effect = self.create_fake_client
client = MagicMock()
response = PlaceResponse(PlaceResultCode.OK)
client.place.return_value = response
self._clients["scheduler/baz"] = client
wait_fn.return_value = set(), set()
scheduler = BranchScheduler("foo", 9)
scheduler.configure([ChildInfo(id="baz")])
response = scheduler.place(self._place_request())
assert_that(response.result, is_(PlaceResultCode.SYSTEM_ERROR))
# must shutdown to join the futures since the patch lifecycle
# ends when this method returns
self._threadpool.shutdown()
def test_place_resource_not_found(self, client_class):
client_class.side_effect = self.create_fake_client
bar_client = MagicMock()
bar_response = PlaceResponse(PlaceResultCode.RESOURCE_CONSTRAINT)
bar_client.place.return_value = bar_response
self._clients["bar"] = bar_client
baz_client = MagicMock()
baz_response = PlaceResponse(PlaceResultCode.SYSTEM_ERROR)
baz_client.place.return_value = baz_response
self._clients["baz"] = baz_client
scheduler = BranchScheduler("foo", 9)
scheduler.configure([ChildInfo(id="bar", address="bar"),
ChildInfo(id="baz", address="baz")])
response = scheduler.place(self._place_request())
assert_that(response.result, is_(PlaceResultCode.RESOURCE_CONSTRAINT))
def test_find_timeout(self, wait_fn, client_class):
client_class.side_effect = self.create_fake_client
client = MagicMock()
response = FindResponse(FindResultCode.OK)
client.find.return_value = response
self._clients["baz"] = client
scheduler = BranchScheduler("foo", 9)
scheduler.configure([ChildInfo(id="baz", address="baz")])
wait_fn.return_value = set(), set()
response = scheduler.find(FindRequest())
assert_that(response.result, is_(FindResultCode.NOT_FOUND))
# must shutdown to join the futures since the patch lifecycle
# ends when this method returns
self._threadpool.shutdown()