Removed all references and functionality related to keepalived service. Added detailed status handling for various services including nginx, haproxy, and apache, improving the accuracy of the status checks and error handling for each service. Adjusted user interface elements to reflect the service status changes more clearly.
Remove obsolete HTML template and streamline server selection to use JSON. Enhanced server selection and error handling in AJAX calls, fixed minor syntax issues, and updated various routes for consistency.
Simplified imports and cleaned up unused functionalities in `admin/views.py`. Switched `var` to `let` in `script.js` for better scope management. Adjusted `showOverviewWaf` function for consistency. Removed `check_services` decorator from `ServiceActionView`. Enhanced `Checker` class model and improved error handling in `CheckerView`. Added `update_checker_setting_for_server` method in `checker.py`.