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getting-started-helloworld.py

'Hello World' Lambda function sends MQTT messages.

# Copyright 2010-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"). You # may not use this file except in compliance with the License. A copy of # the License is located at # # http://aws.amazon.com/apache2.0/ # # or in the "license" file accompanying this file. This file is # distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF # ANY KIND, either express or implied. See the License for the specific # language governing permissions and limitations under the License. # # This sample is used in the AWS IoT Greengrass Developer Guide: # https://docs.aws.amazon.com/greengrass/latest/developerguide/module3-I.html # import greengrasssdk import platform from threading import Timer import time client = greengrasssdk.client('iot-data') my_platform = platform.platform() def greengrass_hello_world_run(): if not my_platform: client.publish(topic='hello/world', payload='Hello world! Sent from Greengrass Core.') else: client.publish(topic='hello/world', payload='Hello world! Sent from Greengrass Core running on platform: {}'.format(my_platform)) Timer(5, greengrass_hello_world_run).start() greengrass_hello_world_run() def function_handler(event, context): return

Sample Details

Service: greengrass

Last tested: 2019-01-02

Author: AWS

Type: full-example

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