feat(hudi-query): 增加一个查询路径大小的接口

service-hudi-query/src/main/java/com/lanyuanxiaoyao/service/hudi/controller/HdfsController.java

@@ -66,4 +66,9 @@ public class HdfsController {
     public void download(@RequestParam("root")String root, HttpServletResponse response) throws IOException {
         hdfsService.download(root, response.getOutputStream());
     }
+
+    @GetMapping("size")
+    public Long size(@RequestParam("root")String root) throws IOException {
+        return hdfsService.size(root);
+    }
 }

service-hudi-query/src/main/java/com/lanyuanxiaoyao/service/hudi/service/HdfsService.java

@@ -143,4 +143,11 @@ public class HdfsService {
             }
         }
     }
+
+    @Cacheable(value = "size-hpath", sync = true)
+    public Long size(String root) throws IOException {
+        try (FileSystem fileSystem = FileSystem.get(new Configuration())) {
+            return fileSystem.getContentSummary(new Path(root)).getLength();
+        }
+    }
 }