[Feature] [Platform] Request ID & Header Standardization

[ajanikow]

No description provided.

[Copilot]

Pull Request Overview

This PR implements request ID generation and standardizes HTTP headers to use the X-Arango-Platform prefix. The implementation adds a new request_id handler to the envoy auth chain that generates unique request IDs for tracking purposes, while maintaining backward compatibility by supporting both old and new header names.

• New request ID generation handler that creates unique IDs using k8s uuid package
• Header standardization with new X-Arango-Platform-Route and X-Arango-Platform-Request-Id headers
• Backward compatible changes by maintaining deprecated arangodb-platform-route header alongside new version

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pkg/util/constants/envoy.go	Adds new header constants with deprecation marker for old header, removes unused EnvoyIntegrationSidecarClusterHTTP constant
pkg/deployment/resources/config_map_gateway.go	Updates gateway config to set both old and new route headers for backward compatibility
integrations/envoy/auth/v3/impl/request_id/impl.go	New handler implementation that generates unique request IDs and adds them to request/response headers
integrations/envoy/auth/v3/impl/impl.go	Registers the new request_id handler as the first handler in the auth chain
CHANGELOG.md	Documents the new feature in the changelog

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[Copilot]

Pull Request Overview

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

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[Copilot]

Pull Request Overview

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

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[Copilot]

The HeaderValueOption should include an AppendAction field for consistency with other handlers and to explicitly define the header behavior. Consider adding:

var header = pbEnvoyCoreV3.HeaderValueOption{
	Header: &pbEnvoyCoreV3.HeaderValue{
		Key:   utilConstants.EnvoyRequestIDHeader,
		Value: string(uuid.NewUUID()),
	},
	AppendAction: pbEnvoyCoreV3.HeaderValueOption_OVERWRITE_IF_EXISTS_OR_ADD,
}

This ensures the request ID header behavior is predictable and consistent with the pattern used in other handlers like pass_mode.

Suggested change

	},
	},
	AppendAction: pbEnvoyCoreV3.HeaderValueOption_OVERWRITE_IF_EXISTS_OR_ADD,