def awsConfig():
"""
connect to AWS
"""
host = "a1x0fiabery709-ats.iot.us-east-2.amazonaws.com"
rootCAPath = "cert/root-CA.pem"
certificatePath = "cert/4ad4027780-certificate.pem.crt"
privateKeyPath = "cert/4ad4027780-private.pem.key"
port = 8883
clientId = "TEST_COMM"
upstream_topic = "$aws/things/cse521/shadow/message_to_iot"
downstream_topic = "$aws/things/cse521/shadow/message_to_pi"
# myAWSIoTMQTTClient = None
myAWSIoTMQTTClient = AWSIoTMQTTClient(clientId)
myAWSIoTMQTTClient.configureEndpoint(host, port)
myAWSIoTMQTTClient.configureCredentials(rootCAPath, privateKeyPath,
certificatePath)
myAWSIoTMQTTClient.configureAutoReconnectBackoffTime(1, 32, 20)
myAWSIoTMQTTClient.configureOfflinePublishQueueing(-1)
myAWSIoTMQTTClient.configureDrainingFrequency(2)
myAWSIoTMQTTClient.configureConnectDisconnectTimeout(10)
myAWSIoTMQTTClient.configureMQTTOperationTimeout(awsSendPeriod) # 5 sec
# Connect and subscribe to AWS IoT
myAWSIoTMQTTClient.on_connect = on_connect
myAWSIoTMQTTClient.on_message = on_message
myAWSIoTMQTTClient.connect()
myAWSIoTMQTTClient.subscribe(downstream_topic, 1, on_message)
return myAWSIoTMQTTClient, upstream_topic
f.write(base64.b64decode(os.getenv("AWS_PK")) )
with open(rootCAPath, "w") as f:
f.write(requests.get(
"https://www.symantec.com/content/en/us/enterprise/verisign/roots/VeriSign-Class%203-Public-Primary-Certification-Authority-G5.pem").text)
except Exception as e:
logger = logging.getLogger('errors')
print("error getting certs!!!!")
logger.debug("Messenger Error: Certificate and Private Key ENV Variable Missing! %s", e)
mqtt_client = AWSIoTMQTTClient(clientId)
mqtt_client.configureEndpoint(host, port)
mqtt_client.configureCredentials(rootCAPath, privateKeyPath, certificatePath)
mqtt_client.on_connect = on_connect
mqtt_client.on_message = on_message
mqtt_client.on_publish = on_publish
mqtt_client.on_disconnect = on_disconnect
mqtt_client.configureAutoReconnectBackoffTime(1, 32, 20)
mqtt_client.configureOfflinePublishQueueing(-1) # Infinite offline Publish self.in_topicqueueing
mqtt_client.configureDrainingFrequency(2) # Draining: 2 Hz
mqtt_client.configureConnectDisconnectTimeout(10) # 10 sec
mqtt_client.configureMQTTOperationTimeout(5) # 5 sec
mqtt_client.connect()
mqtt_client.subscribe("babylon/farm_out",1,on_message)
while True:
print("mqtt still alive!")
mqtt_client.publish("babylon/farm_out","test2", 1)
