feat(health-checks): enhance health check functionality and add new routes

- Introduced origin health check routes and integrated them into the application.
- Updated health check configuration to include success recovery thresholds.
- Expanded error handling with new error codes for health check failures.
- Added new service routes for managing health checks, including creation and listing.
- Improved health check service logic to track consecutive successes and failures.

This commit enhances the health check capabilities, providing better monitoring and management of service health.

apps/api/src/errors.ts

@@ -8,6 +8,14 @@ export type ErrorCode =
   | "FORBIDDEN"
   | "CONFLICT"
   | "CLOUDFLARE_ERROR"
+  | "DNS_UPDATE_FAILED"
+  | "HEALTHCHECK_CREATE_FAILED"
+  | "ZONE_NOT_FOUND"
+  | "INVALID_IP"
+  | "INVALID_HOSTNAME"
+  | "RATE_LIMITED"
+  | "CLOUDFLARE_AUTH_FAILED"
+  | "SYNC_FAILED"
   | "INTERNAL_ERROR";
 
 export class AppError extends Error {
@@ -44,6 +52,42 @@ export class AppError extends Error {
     return new AppError("CLOUDFLARE_ERROR", message, 502);
   }
 
+  static dnsUpdateFailed(message: string) {
+    return new AppError(
+      "DNS_UPDATE_FAILED",
+      message,
+      502,
+    );
+  }
+
+  static healthcheckCreateFailed(message: string) {
+    return new AppError("HEALTHCHECK_CREATE_FAILED", message, 502);
+  }
+
+  static zoneNotFound(message = "зона Cloudflare не найдена") {
+    return new AppError("ZONE_NOT_FOUND", message, 404);
+  }
+
+  static invalidIp(message = "Некорректный IP-адрес") {
+    return new AppError("INVALID_IP", message, 400);
+  }
+
+  static invalidHostname(message = "Некорректное имя хоста") {
+    return new AppError("INVALID_HOSTNAME", message, 400);
+  }
+
+  static rateLimited(message = "Cloudflare временно ограничил запросы. Повторите попытку.") {
+    return new AppError("RATE_LIMITED", message, 429);
+  }
+
+  static cloudflareAuthFailed(message = "Cloudflare отклонил токен доступа") {
+    return new AppError("CLOUDFLARE_AUTH_FAILED", message, 401);
+  }
+
+  static syncFailed(message: string) {
+    return new AppError("SYNC_FAILED", message, 502);
+  }
+
   static internal(message: string) {
     return new AppError("INTERNAL_ERROR", message, 500);
   }