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Explaining the Query Parameters in the Amazon Kinesis Data Generator URL #21

Open hoangquochung1110 opened 2 months ago

hoangquochung1110 commented 2 months ago

The URL you've shared is for the Amazon Kinesis Data Generator (KDG), a tool that helps you generate and send sample data to your Kinesis streams. Let's break down the query parameters in this URL:

https://awslabs.github.io/amazon-kinesis-data-generator/web/producer.html?upid=us-east-1_dleDhyjcg&ipid=us-east-1:02aba8ee-bd3e-4c68-b78a-e518d59fc031&cid=5on2ksqcne0eo13ddimic785gi&r=us-east-1

UPID

This represents the User Pool ID from Amazon Cognito

IPID (Identity Pool ID)

• Full Parameter: ipid=us-east-1:02aba8ee-bd3e-4c68-b78a-e518d59fc031 • What it is: An Amazon Cognito Identity Pool identifier • Format: [AWS Region]:[UUID] (e.g., us-east-1:02aba8ee-bd3e-4c68-b78a-e518d59fc031) • Purpose: • Identity Pools are used to grant temporary, limited-privilege AWS credentials to users • These credentials allow the Kinesis Data Generator to write data to your Kinesis streams • The Identity Pool links authenticated users to specific IAM roles • Behind the scenes: • After authentication with the User Pool, Cognito exchanges the authentication token for temporary AWS credentials via the Identity Pool • The Identity Pool has IAM roles attached that define what AWS services the user can access • For KDG, these roles typically include permissions to write to Kinesis Data Streams or Firehose

CID (Client ID)

• Full Parameter: cid=5on2ksqcne0eo13ddimic785gi • What it is: A Cognito App Client ID • Format: Alphanumeric string (e.g., 5on2ksqcne0eo13ddimic785gi) • Purpose: • App Clients are created within a Cognito User Pool • They represent the application that's requesting authentication (in this case, the Kinesis Data Generator) • Each App Client has specific settings like callback URLs, allowed OAuth flows, and token expiration times • Behind the scenes: • When KDG attempts to authenticate a user, it identifies itself to Cognito using this Client ID • The App Client configuration determines how authentication happens (e.g., which OAuth flows are allowed) • It also controls security features like token expiration and refresh token usage

How They Work Together

  1. The KDG web application uses the cid (Client ID) to initiate authentication with the Cognito User Pool (upid)
  2. After successful authentication, it uses the ipid (Identity Pool ID) to exchange the authentication token for temporary AWS credentials
  3. These credentials are scoped to the IAM role associated with the Identity Pool
  4. The KDG then uses these credentials to send data to Kinesis in the specified region (r)