class TestGenericController(unittest.TestCase):
def setUp(self):
self.app_id_0 = "app-00"
self.scaling_parameters = {}
self.parameters = {}
self.instance_1 = "instance-1"
self.instance_2 = "instance-2"
self.instances = [self.instance_1, self.instance_2]
self.bigsea_username = "******"
self.bigsea_password = "******"
self.check_interval = 2
self.trigger_down = 10
self.trigger_up = 100
self.min_cap = 10
self.max_cap = 100
self.actuation_size = 20
self.metric_rounding = 2
self.actuator = "nop"
self.metric_source = "nop"
self.scaling_parameters["instances"] = self.instances
self.scaling_parameters["check_interval"] = self.check_interval
self.scaling_parameters["trigger_down"] = self.trigger_down
self.scaling_parameters["trigger_up"] = self.trigger_up
self.scaling_parameters["min_cap"] = self.min_cap
self.scaling_parameters["max_cap"] = self.max_cap
self.scaling_parameters["actuation_size"] = self.actuation_size
self.scaling_parameters["metric_rounding"] = self.metric_rounding
self.scaling_parameters["actuator"] = self.actuator
self.scaling_parameters["metric_source"] = self.metric_source
self.parameters = {
"scaling_parameters": self.scaling_parameters,
"bigsea_username": self.bigsea_username,
"bigsea_password": self.bigsea_password
}
self.controller = GenericController(self.app_id_0,
self.scaling_parameters)
def test_start_and_stop_scaling(self):
self.controller.alarm.check_application_state = MagicMock(
return_value=None)
controller_thread = threading.Thread(
target=self.controller.start_application_scaling)
controller_thread.start()
time.sleep(float(2 * self.check_interval))
self.controller.alarm.check_application_state.assert_any_call()
self.controller.stop_application_scaling()
def get_controller(self, name, app_id, plugin_info):
if name == "basic":
metric_source_type = plugin_info["policy"]["metric_source"]
actuator_type = plugin_info["policy"]["actuator"]
metric_source = MetricSourceBuilder().get_metric_source(
metric_source_type)
actuator = ActuatorBuilder().get_actuator(actuator_type)
return BasicController(metric_source, actuator, plugin_info)
elif name == "single":
return SingleApplicationController(app_id, plugin_info)
elif name == "progress_error":
return GenericController(app_id, plugin_info)
elif name == "proportional":
return ProportionalController(app_id, plugin_info)
elif name == "proportional_derivative":
return ProportionalDerivativeController(app_id, plugin_info)
elif name == "pid":
return PIDController(app_id, plugin_info)
elif name == "progress_tendency":
return TendencyAwareProportionalController(app_id, plugin_info)
else:
# FIXME: exception type
raise Exception("Unknown controller type")
def setUp(self):
self.app_id_0 = "app-00"
self.scaling_parameters = {}
self.parameters = {}
self.instance_1 = "instance-1"
self.instance_2 = "instance-2"
self.instances = [self.instance_1, self.instance_2]
self.bigsea_username = "******"
self.bigsea_password = "******"
self.check_interval = 2
self.trigger_down = 10
self.trigger_up = 100
self.min_cap = 10
self.max_cap = 100
self.actuation_size = 20
self.metric_rounding = 2
self.actuator = "nop"
self.metric_source = "nop"
self.scaling_parameters["instances"] = self.instances
self.scaling_parameters["check_interval"] = self.check_interval
self.scaling_parameters["trigger_down"] = self.trigger_down
self.scaling_parameters["trigger_up"] = self.trigger_up
self.scaling_parameters["min_cap"] = self.min_cap
self.scaling_parameters["max_cap"] = self.max_cap
self.scaling_parameters["actuation_size"] = self.actuation_size
self.scaling_parameters["metric_rounding"] = self.metric_rounding
self.scaling_parameters["actuator"] = self.actuator
self.scaling_parameters["metric_source"] = self.metric_source
self.parameters = {
"scaling_parameters": self.scaling_parameters,
"bigsea_username": self.bigsea_username,
"bigsea_password": self.bigsea_password
}
self.controller = GenericController(self.app_id_0,
self.scaling_parameters)