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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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Where do I find Javasript SDK to connect a device to AWS IIoT Greengrass?

I have a Raspberry Pi (let's call it "A") which has Greengrass Core running on it. Additionally I have another Raspberry Pi (let's call it "B") which has sensors. Data of sensors from Raspberry Pi "B" needs to be sent to the AWS Greengrass on…
Max
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Fail to connetc AWS greengrass

My OS is Yocto Rocko on i.MX6Q. I used docker v17.06 to load three greengrass image version 1.7.1, 1.8.1 and 1.9.2. I followed the README.md in each package to setup up and install step by step. All images were failed to connect AWS greengrass group…
zohanlin
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Trouble connecting MQTT client to MQTT server in Android in isolated network

I have a Greengrass core (Jetson TX2) broadcasting an isolated access point so different IoT devices can communicate with each other. the access point works as I was able to have one device to communicate to the core through OSC protocol. Right now…
Dat Bac Do
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Get temperature of Raspberry from greengrass

I can get the temperatue of Raspberry pi using the python command: os.popen("vcgencmd measure_temp").readline() But when I am running this command inside a lambda function (python 2.7) on deployed greengrass on the device, it gives me error: VCHI…
Bharthan
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Connection Refused from RPi AWS Greengrass

i am following this module lab: https://docs.aws.amazon.com/greengrass/latest/developerguide/module5.html All previous ones run fine. Greengrass is on my RPi in the same network as my PC. RPi has 192.168.1.101 and i can ping it. Also I have…
toto'
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How to get DeepLens Device Name

I have 3 deeplens devices running the same facial detection model. They send output to a certain s3 bucket which kicks off another lambda. However, I need one deeplens to send output to a separate s3 bucket. In order to do this I believe I need to…
lemonbrains
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How to connect another raspberry pi as an device to Greengrass group and communicate with each other?

I am new to AWS-IoT, I would like to understand how greengrass works, I would like to communicate 2 raspberry pi's locally using amazon greengrass. So does both the raspberry pi needs green grass core installed ? Or, is it enough that we install…
Jovel
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Invoke a local Lambda on Greengrass via alias qualifier

I deploy two lambda functions on a Greengrass device. For better deployment, we decide to work with ALIAS so my Function A in Version 36 has an alias: production and my function B in Version 37 too. When I deploy these Lambda-Functions to Greengrass…
Sebastian Felix Schwarz
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Sending UID / Device ID via Greengrass

I'm running several Greengrass Cores and they send Data to a MQTT Stream. I deployed a Lambda on GGC reading the SerialPort coming in and push it to the Stream. But now I want to check which device is sending the Data - I tried this one to check out…
Sebastian Felix Schwarz
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Greengrass deployment stuck on "In Progress"

I'm trying to configure an AWS Greengrass group through their JavaScript SDK, and I get everything up and running up to where I have a deployment. The issue is that the deployment seems to be stuck on "in progress" and there are no cloudwatch logs…
Sahm Samarghandi
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Multiple Greengrass Core devices in a group

What I am trying to achieve is having a group of multiple core devices, where the lambda functions gets executed, and these devices will have to send and receive messages across them. These are my questions regarding it: Can I have a group with…
techy
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How to remove an existing lambda from aws greengrass?

I tried to remove Greengrass version lambda from Greengrass, it complains me with, We cannot deploy because the group definition is invalid or corrupted for the following reasons:…
Kannaiyan
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Bulk provisioning of Greengrass Groups, Cores, Certificates

I'm looking for some guidance with regards to the bulk provisioning of Greengrass Groups, Cores, Certificates. In the pricing documentation for Greengrass https://aws.amazon.com/greengrass/pricing/ it says: Device B - An AWS Greengrass Core device…
L G
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aws greengass: Node.js: Error: Cannot find module 'aws-greengrass-core-sdk'

I am facing a weird issue. I am sure that my node_modules folder has "aws-greengrass-core-sdk" but error is still saying that it cannot find module. Actually any of the modules in node_modules folder are not accessible. I have spent a lot of time…
Ayyaz Zafar
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Creating nested IoT field gateways with Azure and AWS

From what I have read and understood from their documentation is that only single layer IoT hierarchies can be maintained with either of their gateways. That is a field gateway(sort of like a smart router) sits between the server and edge devices…
Nuwan Jayawardene
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