AWS IOT Thing Groups (Static VS Dynamic)

AWS IOT Thing Groups (Static VS Dynamic)

AWS IOT Thing Group is a logical group of things to manage several things.

There are two type of Thing Group supported by AWS IOT Core

Static Thing Group:-

A static Thing Group can contain the several things as well as other static group, the devices are added once can not be updated during any on going operation 

Like OTA, 

Dynamic Thing Group:-

On the other hand Dynamic Thing group is a group where we can add multiple things by define a query condition. 

Ex:-  During the OTA Update the list of devices are fixed if we create the OTA on Static Thing Group while if we pass a query to create a dynamic group like do OTA

only on devices which is online. 

Command to create a Static Group:-

$ aws iot create-thing-group --thing-group-name TestStaticGroup

Command to create a Dynamic Group:-  

$ aws iot create-dynamic-thing-group --thing-group-name "RoomTooWarm" --query-string "attributes.temperature>60"

Command to add thing in Static Group:-

$ aws iot add-thing-to-thing-group --thing-name MyLightBulb --thing-group-name RedLights

Command to Delete a Static Group:-

$ aws iot delete-thing-group --thing-group-name "RedLights"

Command to Delete a Dynamic Group:-

$ aws iot delete-dynamic-thing-group --thing-group-name "RoomTooWarm"

Comments

Post a Comment

Popular posts from this blog

Setup AWS Cognito and Signup user using Postman

Setup AWS Cognito and Signup User using Postman To Setup a cognito follow the below steps 1:- Open AWS Console and move to Cognito 2:- Click on Manage User Pools & Click on Create a User Pool. 3:- Click on Review Defaults and Create a User Pool. 4:- Create a App Clients 5:- After Creating App Client You will get a Client Id  which we will use in Postman. 6:- Now open a Postman for Signup a User. Request URL:-      https://cognito-idp.us-east-1.amazonaws.com Method:-     POST Request Header:-  Request Payload:-       { "ClientId": "XXXXXXXXXXXXXX", "Username": "vishal.gupta.sf@gmail.com", "Password": "Password@1234", "UserAttributes": [ { "Name": "email", "Value...
Read more

AWS IOT Create OTA With RollOut and Abort Configuration.

Image
  What is OTA? Over-the-air (OTA) Updated allows you to deploy update firmware updates on one or more devices in your fleet. Below is the bash command to create OTA. aws iot create-job \ --job-id "example-cli-job" \ --document file://IOTCore/jobDocument.json \ --description "Job test for dynamic group" \ --target-selection SNAPSHOT \ --job-executions-retry-config file://IOTCore/config/retries.json \ --job-executions-rollout-config file://IOTCore/config/rollout.json \ --abort-config file://IOTCore/config/abort.json \ --targets "arn:aws:iot:us-east-1:test_account_id:thinggroup/testdevices" You need a latest AWS Cli version for creating OTA with above given command (mine is 2.5.8). targets:-   Targets can be single Device, group of Devices Or Groups like Static and Dynamic Group.  retry-config:-   Retry config is a config on how failed devices should behave. Like below JSON i have used to retry 2 times on Failed OTA Update. It ...
Read more

What is Amazon Cognito?

Image
What is Amazon Cognito? Amazon Cognito provides authentication, authorization, and user management for your web and mobile apps. Your users can sign in directly with a user name and password, or through a third party such as Facebook, Amazon, Google or Apple. The two main components of Amazon Cognito are user pools and identity pools. User pools are user directories that provide sign-up and sign-in options for your app users. Identity pools enable you to grant your users access to other AWS services. You can use identity pools and user pools separately or together. An Amazon Cognito user pool and identity pool used together See the diagram for a common Amazon Cognito scenario. Here the goal is to authenticate your user, and then grant your user access to another AWS service. In the first step your app user signs in through a us...
Read more