[GitHub] [iceberg] rdblue commented on a diff in pull request #6324: Make UGI current user the default owner of Hive db&tbl

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

rdblue commented on code in PR #6324:
URL: https://github.com/apache/iceberg/pull/6324#discussion_r1051690244


##########
hive-metastore/src/main/java/org/apache/iceberg/hive/HiveCatalog.java:
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@@ -567,8 +570,13 @@ Database convertToDatabase(Namespace namespace, Map<String, String> meta) {
         });
 
     if (database.getOwnerName() == null) {
-      database.setOwnerName(System.getProperty("user.name"));
-      database.setOwnerType(PrincipalType.USER);
+      try {
+        database.setOwnerName(UserGroupInformation.getCurrentUser().getUserName());
+        database.setOwnerType(PrincipalType.USER);
+      } catch (IOException e) {
+        throw new UncheckedIOException(
+            String.format("Fail to obtain default (UGI) user for database %s", database), e);

Review Comment:
   I think this should fall back to the previous behavior. This should be a warning, not an exception.
   
   Also, I think the message could be more clear: "Failed to fetch Hadoop user". No need to log the database, it's unrelated to what failed.



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