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carTelemetry_Kuksa2Kafka.py
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carTelemetry_Kuksa2Kafka.py
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from kafka import KafkaProducer
from json import dumps
from kuksa_client.grpc import VSSClient
import os, sys
import configparser
from datetime import datetime
scriptDir= os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(scriptDir, "../../"))
class Kuksa_Client():
# Constructor
def __init__(self, config):
print("Init kuksa client...")
if "kuksa_val" not in config:
print("kuksa_val section missing from configuration, exiting")
sys.exit(-1)
def shutdown(self):
self.client.stop()
def getKuksaDataByString(datapointString,datapointSave):
try:
#print(f"{datapointString} , {datapointSave}")
return updates[datapointString].value
except:
return datapointSave
if __name__ == "__main__":
producer=KafkaProducer(
value_serializer=lambda m: dumps(m ).encode('utf-8'),
acks=0,
bootstrap_servers=['0.0.0.0:9092']
)
# def sendingDataToKafka(data):
# TOPIC_NAME = 'tester1234'
# for datapoint in data:
# producer.send(TOPIC_NAME, value={f"{datapoint[1]}":f"{datapoint[0]}"})
def sendingDataToKafka(data):
newTime=datetime.now()
TOPIC_NAME = 'tester1234'
dataDictionary={}
for datapoint in data:
dataDictionary.update({f"{datapoint[1]}":f"{datapoint[0]}"})
producer.send(TOPIC_NAME, value=dataDictionary)
config_candidates=['/config/carTelemetry_feeder.ini', '/etc/carTelemetry_feeder.ini', os.path.join(scriptDir, 'config/carTelemetry_feeder.ini')]
for candidate in config_candidates:
if os.path.isfile(candidate):
configfile=candidate
break
if configfile is None:
print("No configuration file found. Exiting")
sys.exit(-1)
config = configparser.ConfigParser()
config.read(configfile)
kuksaClient=Kuksa_Client(config)
print("waiting for Data from Kuksa")
kuksaConfig = config['kuksa_val']
#initializing some variables
speedDataName='Vehicle.Speed'
frontLeftWingName='Vehicle.FrontLeftWingDamage'
frontRightWingName='Vehicle.FrontRightWingDamage'
tireWear_fl_name='Vehicle.Tire.FrontLeftWear'
tireWear_fr_name='Vehicle.Tire.FrontRightWear'
tireWear_rl_name='Vehicle.Tire.RearLeftWear'
tireWear_rr_name='Vehicle.Tire.RearRightWear'
fuelLevel_name='Vehicle.FuelLevel'
rpm_name='Vehicle.RPM'
lastLapTime_name='Vehicle.LastLapTime'
initVal=0
speed=[initVal,speedDataName]
frontLeftWingDamage=[initVal,frontLeftWingName]
frontRightWingDamage=[initVal,frontRightWingName]
tireWear_rr=[initVal,tireWear_rr_name]
tireWear_fl=[initVal,tireWear_fl_name]
tireWear_fr=[initVal,tireWear_fr_name]
tireWear_rl=[initVal,tireWear_rl_name]
fuelLevel=[initVal,fuelLevel_name]
rpm=[initVal,rpm_name]
lastLapTime=[initVal,lastLapTime_name]
# reading data and sending it
with VSSClient(kuksaConfig.get('host'),kuksaConfig.getint('port')) as client:
for updates in client.subscribe_current_values([
speedDataName,
frontLeftWingName,
frontRightWingName,
tireWear_rr_name,
tireWear_rl_name,
tireWear_fr_name,
tireWear_fl_name,
fuelLevel_name,
rpm_name,
lastLapTime_name
]):
try:
speed[0]=getKuksaDataByString(speedDataName,speed[0])
frontLeftWingDamage[0]=getKuksaDataByString(frontLeftWingName,frontLeftWingDamage[0])
frontRightWingDamage[0]=getKuksaDataByString(frontRightWingName,frontRightWingDamage[0])
tireWear_fl[0]=getKuksaDataByString(tireWear_fl_name,tireWear_fl[0])
tireWear_fr[0]=getKuksaDataByString(tireWear_fr_name,tireWear_fr[0])
tireWear_rl[0]=getKuksaDataByString(tireWear_rl_name,tireWear_rl[0])
tireWear_rr[0]=getKuksaDataByString(tireWear_rr_name,tireWear_rr[0])
fuelLevel[0]=getKuksaDataByString(fuelLevel[1],fuelLevel[0])
rpm[0]=getKuksaDataByString(rpm[1],rpm[0])
lastLapTime[0]=getKuksaDataByString(lastLapTime[1],lastLapTime[0])
data=[
speed,
frontLeftWingDamage,
frontRightWingDamage,
tireWear_rr,
tireWear_rl,
tireWear_fr,
tireWear_fl,
fuelLevel,
rpm,
lastLapTime,
]
sendingDataToKafka(data)
except Exception as e:
print(e.args)