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Questions tagged [aws-iot-greengrass]

This is used for AWS IOT Greengrass discussions. AWS IoT Greengrass is an Internet of Things (IoT) open source edge runtime and cloud service that helps developers build, deploy, and manage device software. https://aws.amazon.com/greengrass/

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AWS Greengrass v2 - Lambda function access to local resources

Hope you're all doing as good as possible during those covid times. Overview I have a lambda function that runs on a raspberry device with Greengrass version 1. This lambda access my USB port that has an XBee on it (/dev/ttyUSB0) and sends this data…
brunoto
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AWS Greengrass lambda deployment

I am trying to deploy a lambda function with greengrass device basically EC2. Deployment was successful and the lambda function is triggering with the IOT publish event as I want. But as I can check in logs whenever I published messages on the IOT…
Shubham Kumar
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How to connect edge devices to AWS Greengrass core device running version 2

In AWS Greengrass v2 developer guide, Move from AWS IoT Greengrass Version 1, it says, AWS IoT Greengrass V2 currently doesn't support connected devices, also called Greengrass devices. Wonder what would be the recommended ways (for the time being)…
Yuci
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How do I retry a failed AWS Greengrass deployment

I have revised an existing deployment with a new version of the component. However the deployment failed on a core device because there was a local deployment with a different version that was used for testing. I have removed that local deployment…
Peter
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Is there a way to synchronously invoke a event on AWS IoT Greengrass CoreDevice via Lambda

Im trying to figure out a way to enable a synchronous communication flow from Lambda to a Greengrass core device. An example would be of a scenario where a device would execute some code on the core device and would need to return a success or…
DeltaManiac
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AWS Greengrass lambda function not running

2021-01-14T17:47:36.617Z [INFO] (Copier) Greengrass_HelloWorld: Startup script exited. {exitCode=1, serviceInstance=0, serviceName=Greengrass_HelloWorld, currentState=STARTING} 2021-01-14T17:47:36.639Z [INFO] (pool-2-thread-57)…
Bala
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How to combine data from 2 sensors in lambda deployed on AWS IoT greengrass?

I have 2 sensors that publish data to Topic1 and Topic2 respectively. There is a subscription from both devices to the same Lambda function on both the topics. Example data received by lambda from sensor- When sensor1 triggered the…
variable
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Push notifications from greengrass to AWS SNS using SNS connector

i'm currently working in a project in which I have to send MQTT messages from AWS IoT Greengrass to an SNS Connector, and get notificated in an Android App. I've alredy configured all related to the app, and its receiving messages exlusively when I…
David Bonilla
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Does AWS Greengrass support the Go runtime for functions at the edge?

I'd like to use the Go runtime for Greengrass lambda functions at the edge but it looks like Java is the closest support. Is there a way to provide your own runtime for this?
Brian F
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Greengrass deployment fails because Core Version '1.10.2' is below minimum required version: '1.11.0', but '1.11.0' doesn't even exist yet?

[2020-07-30T19:59:06.34-04:00][ERROR]-Deployment failed. {"deploymentId": "1757359b-c455-4275-ae82-2da19b10a925", "errorString": "Greengrass deployment error: unable to execute download step in deployment. error while downloading: error…
ReiniGrauer
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Aws greengrass core sdk for node js - how do I retrive the mqtt message?

I am writing a lambda function in node js which is deployed to ggc. It is triggered by a mqtt-message from node red. But I have no idea how to retrive the information sent from node red. I guess that I have to use the context-object, but I dont know…
user9692590
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how to connect device to AWS greengrass

I am using MOKOSMART_mkgw1 to collect data and send it to AWS IoT Core. for that, I need to set the following configurations, endpoint (aws iot endpoint) topic (any) device certificate and private key root ca. I was able to connect and send data…
Onkar Vidhate
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Error while connecting to Greengrass core ip

Connecting to AWS-END-POINT properly but when I tried connecting to Greengrass core using local network ip. I get the following error: E/flutter (12349): [ERROR:flutter/lib/ui/ui_dart_state.cc(148)] Unhandled Exception: HandshakeException:…
Muhammad Usama
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AWS Green Grass Error IncompatibleGccVersion

Hello Everyone i am running AWS Green Grass on my Raspberry pi 3 Which has Raspbian Installed. Green grass is installed in the root directory. I have configured AWS Green grass and installed all files and Certificates. i am also able to run AWS…
Soumil Nitin Shah
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AWS Greengrass. Can't trigger core's lambda function from device mqtt client in local network

What I want to have is to send some metrics from greengrass device to greengrass lambda function in the local network. I'm using the subscribe mode of basicDiscovery.py to send some device metrics to the amazon greengrass core device and invoke the…
Mohammad Mazraeh
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