pan3793 commented on PR #2082:
URL:
https://github.com/apache/incubator-celeborn/pull/2082#issuecomment-1801757267
it's quite easy to support auth from tgt cache
val kerberosEnabled =
"KERBEROS".equalsIgnoreCase(hadoopConf.get("hadoop.security.authentication"))
if (kerberosEnabled) {
val principalOpt = ...
val keytabOpt = ...
(principalOpt, keytabOpt) match {
case (Some(principal), Some(keytab)) =>
logInfo("Kerberos is enabled, attempt to login with principal:
$principal and keytab: $keytab")
UserGroupInformation.loginUserFromKeytab(principal, keytab)
case _ =>
logInfo("Kerberos is enabled, but without principal and keytab
supplied, assuming keytab is managed externally")
UserGroupInformation.getCurrentUser()
}
}
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