Add Application Level Burst Control

[shilmyhasan]

Problem

Current product supports only subscription level burst control for product and this feature is to add application level burst control for APIs.

Solution

Implement application level burst control by adding burst control configurations to application policies.

Affected Component

APIM

Version

4.3.0

Implementation

No response

Related Issues

No response

Suggested Labels

No response

[shilmyhasan]

Developer Comment - Progress Update (04/09/2023 - 08/09/2023)

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• Design document [1] has been created and the proposed solution is emailed to Architecture group.
• Backend code for the Application burst control feature has been completed by hard coding the values at the API Key Validator level

Action Items.

• Test the implemented backend code with the hard coded values to ensure the basic functionality works properly
• Write the front end code along with the data store and retrieval part from the database
• Test the functionality end to end.

[1] - https://docs.google.com/document/d/1DOwYNz-o_WUmQ97CoPZ-YWph0hbxIDe1wvysWnaO3eQ/edit?usp=sharing

[shilmyhasan]

Developer Comment - Progress Update (11/09/2023 - 15/09/2023)

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• Tested the basic flows in application burst control with the code thats written by hard coding the values
• Fixed the issues in the basic flows and verified that basic functionality works as expected
• Implementing the datastore persistence and retrieval for the newly added columns.
• Writing the front end code is in progress.

[shilmyhasan]

Developer Comment - Progress Update (18/09/2023 - 22/09/2023)

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• Completed Implementation for both backend and front end
• Tested the flows end to end

Action items.

• Send/Merge the PRs

[shilmyhasan]

Hi Team,

Please find the PRs associated with the feature.

• [Feature] Add Burst control capability for Applications carbon-apimgt#12162
• Add burst control feature to application policies. apim-apps#503

Thanks.

[npamudika]

Docs - wso2/docs-apim#7299

[npamudika]

Tests - wso2/product-apim#13314, wso2/product-apim#13315