[alibaba#3388]Reset nacos roles, permissions during reloading role in…

…fo from database (alibaba#3442)

* Reset nacos roles, permissions during reloading role info from database

* Add volatile to guarantee visibility in threads

console/src/main/java/com/alibaba/nacos/console/security/nacos/roles/NacosRoleServiceImpl.java

@@ -64,11 +64,11 @@ public class NacosRoleServiceImpl {
     @Autowired
     private PermissionPersistService permissionPersistService;
 
-    private final Set<String> roleSet = new ConcurrentHashSet<>();
+    private volatile Set<String> roleSet = new ConcurrentHashSet<>();
 
-    private final Map<String, List<RoleInfo>> roleInfoMap = new ConcurrentHashMap<>();
+    private volatile Map<String, List<RoleInfo>> roleInfoMap = new ConcurrentHashMap<>();
 
-    private final Map<String, List<PermissionInfo>> permissionInfoMap = new ConcurrentHashMap<>();
+    private volatile Map<String, List<PermissionInfo>> permissionInfoMap = new ConcurrentHashMap<>();
 
     @Scheduled(initialDelay = 5000, fixedDelay = 15000)
     private void reload() {
@@ -95,9 +95,9 @@ private void reload() {
                 tmpPermissionInfoMap.put(role, permissionInfoPage.getPageItems());
             }
 
-            roleSet.addAll(tmpRoleSet);
-            roleInfoMap.putAll(tmpRoleInfoMap);
-            permissionInfoMap.putAll(tmpPermissionInfoMap);
+            roleSet = tmpRoleSet;
+            roleInfoMap = tmpRoleInfoMap;
+            permissionInfoMap = tmpPermissionInfoMap;
         } catch (Exception e) {
             Loggers.AUTH.warn("[LOAD-ROLES] load failed", e);
         }