Created
July 15, 2018 20:03
-
-
Save shijaz/1f5e3d5d67517d5a7252466e31313954 to your computer and use it in GitHub Desktop.
shadow_updater.py for the Lambda Function 'SeeRobot'
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# shadow_updater.py for the Lambda Function 'SeeRobot' | |
# Updates the AWS IOT Shadow for the robot | |
# Shijaz Abdulla - www.awsomenow.com | |
import os | |
import time | |
import json | |
import boto3 | |
# Get the environment variables so we know where/how to update the shadow | |
clientId = os.environ.get('AWS_IOT_MQTT_CLIENT_ID') | |
thingName = os.environ.get("AWS_IOT_THING_NAME") | |
host = os.environ.get("AWS_IOT_MQTT_HOST") | |
port = os.environ.get("AWS_IOT_MQTT_PORT_UPDATE") | |
# update the shadow | |
def update_shadow(new_value_dict): | |
topic = "$aws/things/{}/shadow/update".format(thingName) | |
payload_dict = { | |
"state": { | |
"desired" : new_value_dict | |
} | |
} | |
JSON_payload = json.dumps(payload_dict) | |
shadow_client = boto3.client('iot-data', 'eu-west-1') | |
response = shadow_client.update_thing_shadow(thingName=thingName, | |
payload=JSON_payload) | |
res_payload = json.loads(response['payload'].read().decode('utf-8')) | |
print("SeeObject: {0}".format(res_payload.get("state").get("desired").get("cheese_option"))) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment