Amp

[hkfires]

No description provided.

[gemini-code-assist]

Summary of Changes

Hello @hkfires, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly enhances the operational flexibility of the Amp module by implementing hot-reload functionality for key configuration parameters. It allows administrators to update settings such as model mappings, upstream proxy URLs, API keys, and management route access restrictions on the fly, without the need for a service restart. This change improves system responsiveness and reduces downtime associated with configuration adjustments.

Highlights

• Hot-Reload Functionality: Introduced comprehensive hot-reload capabilities for the Amp module, allowing dynamic updates to various configuration settings without requiring a service restart.
• Dynamic Configuration Updates: The OnConfigUpdated method has been significantly refactored to support partial reloads for model mappings, upstream API keys, upstream URLs, and the restrict-management-to-localhost setting.
• Thread-Safe Accessors: Added sync.RWMutex to protect the proxy and restrictToLocalhost fields, along with new getter and setter methods (getProxy, setProxy, IsRestrictedToLocalhost, setRestrictToLocalhost) to ensure thread-safe access during hot-reloads.
• Dynamic Localhost Restriction Middleware: The localhostOnlyMiddleware is now a method of AmpModule and dynamically checks the restrictToLocalhost setting, enabling real-time changes to access restrictions for management routes.
• Enhanced Management Route Registration: The registerManagementRoutes function has been updated to utilize the dynamic localhostOnlyMiddleware and a dynamic proxy handler, ensuring that management routes adapt to configuration changes instantly.
• New Helper Functions for Config Comparison: Added hasModelMappingsChanged and hasAPIKeyChanged methods to efficiently compare old and new configurations, preventing unnecessary updates.
• Improved Test Coverage: New tests, including TestLocalhostOnlyMiddleware_HotReload, have been added to validate the dynamic behavior of the localhost restriction middleware.

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[gemini-code-assist]

Code Review

This pull request introduces significant improvements to the amp module by adding hot-reloading capabilities for its configuration. This allows for dynamic updates to model mappings, the upstream URL, API keys, and management route restrictions without requiring a server restart. The changes are well-implemented, using mutexes for thread-safe state management and refactoring route registration to support dynamic behavior. I've found one minor issue with a misleading log message that should be corrected for clarity.