响应头添加自定义参数

liquidnet-bus-common/liquidnet-common-web/src/main/java/com/liquidnet/common/web/filter/GlobalLogTrackInterceptor.java

@@ -12,11 +12,21 @@ import javax.servlet.http.HttpServletResponse;
 @Component
 public class GlobalLogTrackInterceptor extends HandlerInterceptorAdapter {
     private static final String LNS_TRANCE_ID = "lnsTranceId";
+    private static final String X_SERVER_HEADER = "X-Server";
+    private static final String POD_NAME_ENV = "POD_NAME";
 
     @Override
     public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
         String t = MDC.get(LNS_TRANCE_ID);
         MDC.put(LNS_TRANCE_ID, null == t ? String.valueOf(System.nanoTime()) : t);
+        
+        // 从环境变量获取POD_NAME并添加到响应头
+        String podName = System.getenv(POD_NAME_ENV);
+        if (podName != null && !podName.isEmpty()) {
+            log.info("[preHandle] podName: {}", podName);
+            response.setHeader(X_SERVER_HEADER, podName);
+        }
+        
         return true;
     }