walterddr commented on a change in pull request #10891:
[FLINK-15561][Security][hotfix] Add Delegation Token checker in
YarnClusterDescriptor
URL: https://github.com/apache/flink/pull/10891#discussion_r377198538
##########
File path:
flink-filesystems/flink-hadoop-fs/src/main/java/org/apache/flink/runtime/util/HadoopUtils.java
##########
@@ -112,6 +112,27 @@ public static Configuration
getHadoopConfiguration(org.apache.flink.configuratio
return result;
}
+ public static boolean isCredentialsConfigured(boolean useTicketCache)
throws Exception {
+ UserGroupInformation loginUser =
UserGroupInformation.getCurrentUser();
Review comment:
It's a bit tricky after a second look. sometimes Flink expects the actual
"logged in" user with valid keytab/web-auth so that it can generate additional
DT. I am thinking of opening another JIRA to address it as a separate issue;
meanwhile I will keep this PR solely fixing the DT error check. what do you
think?
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