[GitHub] [ozone] kerneltime commented on a diff in pull request #3503: HDDS-6870 Clean up isTenantAdmin to use UGI

[GitBox <gi...@apache.org>]

kerneltime commented on code in PR #3503:
URL: https://github.com/apache/ozone/pull/3503#discussion_r894900492


##########
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/request/upgrade/OMFinalizeUpgradeRequest.java:
##########
@@ -66,10 +66,11 @@ public OMClientResponse validateAndUpdateCache(
     OMClientResponse response = null;
 
     try {
-      String username = getOmRequest().getUserInfo().getUserName();
-      if (ozoneManager.getAclsEnabled() && !ozoneManager.isAdmin(username)) {
-        throw new OMException("Access denied for user " + username + ". " +
-            "Superuser privilege is required to finalize upgrade.",
+      if (ozoneManager.getAclsEnabled()
+          && !ozoneManager.isAdmin(createUGI())) {
+        throw new OMException("Access denied for user "
+            + createUGI() + ". "
+            + "Superuser privilege is required to finalize upgrade.",
             OMException.ResultCodes.ACCESS_DENIED);
       }

Review Comment:
   the second call is in an exception path and the code is one less line ;-) 



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