def runSimulator():
print("post received: ")
print(request.json)
if not 'containerID' in request.json:
abort(400)
control = request.json
simulator = ReeferSimulator()
if control["simulation"] == ReeferSimulator.SIMUL_POWEROFF:
metrics = simulator.generatePowerOffTuples(
control["containerID"], int(control["nb_of_records"]),
float(control["good_temperature"]))
elif control["simulation"] == ReeferSimulator.SIMUL_CO2:
metrics = simulator.generateCo2Tuples(
control["containerID"], int(control["nb_of_records"]),
float(control["good_temperature"]))
else:
return "Wrong simulation controller data"
for metric in metrics:
evt = {
"containerID": control["containerID"],
"timestamp": str(metric[0]),
"type": "ContainerMetric",
"payload": str(metric)
}
metricsProducer.publishEvent(evt, "containerID")
return "Simulation started"
def runSimulator():
print("post received: ")
print(request.json)
if not 'containerID' in request.json:
abort(400)
control = request.json
simulator = ReeferSimulator()
nb_records = int(control["nb_of_records"])
if control["simulation"] == ReeferSimulator.SIMUL_POWEROFF:
metrics = simulator.generatePowerOffTuples(control["containerID"],
nb_records,
control["product_id"])
elif control["simulation"] == ReeferSimulator.SIMUL_CO2:
metrics = simulator.generateCo2Tuples(control["containerID"],
nb_records,
control["product_id"])
elif control["simulation"] == ReeferSimulator.SIMUL_O2:
metrics = simulator.generateO2Tuples(control["containerID"],
nb_records, control["product_id"])
else:
return jsonify("Wrong simulation controller data"), 404
if nb_records < 500:
sendEvents(metrics)
else:
with ThreadPoolExecutor(max_workers=1) as executor:
future = executor.submit(sendEvents, metrics)
return jsonify("Simulation started"), 202
class SimulationController(Resource):
def __init__(self):
print("SimulationController")
self.simulator = ReeferSimulator()
self.metricsProducer = MetricsEventsProducer()
@swag_from('version.yaml')
def get(self):
return jsonify({"version": "v0.0.2"})
def sendEvents(self, metrics):
"""
Send Events to Kafka
"""
logging.info(metrics)
for metric in metrics:
evt = {
"containerID": metric[0],
"timestamp": str(metric[1]),
"type": "ReeferTelemetries",
"payload": str(metric)
}
self.metricsProducer.publishEvent(evt, "containerID")
# Need to support asynchronous HTTP Request, return 202 accepted while starting
# the processing of generating events. The HTTP header needs to return a
# location to get the status of the simulator task
@track_requests
@swag_from('controlapi.yml')
def post(self):
logging.info("post control received: ")
control = request.get_json(force=True)
logging.info(control)
if not 'containerID' in control:
abort(400)
nb_records = int(control["nb_of_records"])
if control["simulation"] == ReeferSimulator.SIMUL_POWEROFF:
metrics = self.simulator.generatePowerOffTuples(
control["containerID"], nb_records, control["product_id"])
elif control["simulation"] == ReeferSimulator.SIMUL_CO2:
metrics = self.simulator.generateCo2Tuples(control["containerID"],
nb_records,
control["product_id"])
elif control["simulation"] == ReeferSimulator.SIMUL_O2:
metrics = self.simulator.generateO2Tuples(control["containerID"],
nb_records,
control["product_id"])
elif control["simulation"] == ReeferSimulator.SIMUL_TEMPERATURE:
metrics = self.simulator.generateTemperatureTuples(
control["containerID"], nb_records, control["product_id"])
elif control["simulation"] == ReeferSimulator.NORMAL:
metrics = self.simulator.generateNormalTuples(
control["containerID"], nb_records, control["product_id"])
else:
return {"error": "Wrong simulation controller data"}, 404
self.sendEvents(metrics)
return {
"reason": "Simulation started for " + str(nb_records) + " records"
}, 202
def testGenerateCO2tuples(self):
simul = ReeferSimulator()
values = simul.generateCo2Tuples(cid="103", nb_records=5, tgood=4)
print(values)
def testGenerateCO2tuples(self):
simul = ReeferSimulator()
values = simul.generateCo2Tuples(cid="C02",
nb_records=100,
product_id="P02")