gaborgsomogyi commented on a change in pull request #27637: [SPARK-30874][SQL] Support Postgres Kerberos login in JDBC connector URL: https://github.com/apache/spark/pull/27637#discussion_r386579806
########## File path: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/JDBCOptions.scala ########## @@ -187,6 +190,22 @@ class JDBCOptions( // An option to allow/disallow pushing down predicate into JDBC data source val pushDownPredicate = parameters.getOrElse(JDBC_PUSHDOWN_PREDICATE, "true").toBoolean + + // The local path of user's keytab file, which is assumed to be pre-uploaded to all nodes either + // by --files option of spark-submit or manually + val keytab = { + val keytabParam = parameters.getOrElse(JDBC_KEYTAB, null) + if (keytabParam != null && FilenameUtils.getPath(keytabParam).isEmpty) { + val result = SparkFiles.get(keytabParam) + logDebug(s"Keytab path found, assuming --files, file name used on executor: $result") Review comment: I've tested it with standalone and worked: ``` 20/03/02 19:46:10 INFO SharedState: Warehouse path is 'file:/Users/gaborsomogyi/spark/spark-warehouse/'. Debug is true storeKey false useTicketCache false useKeyTab true doNotPrompt false ticketCache is null isInitiator true KeyTab is /private/var/folders/jd/35_sh46s7zq0qc6khfw8hc800000gn/T/spark-31f93ae3-6ca5-42cb-9d52-a6b208abe525/userFiles-10b95f82-3956-448d-a8a8-ef54369757a7/user.keytab refreshKrb5Config is false principal is user/example....@example.com tryFirstPass is false useFirstPass is false storePass is false clearPass is false principal is user/example....@example.com Will use keytab Commit Succeeded Found ticket for user/example....@example.com to go to krbtgt/example....@example.com expiring on Tue Mar 03 19:46:11 CET 2020 Entered Krb5Context.initSecContext with state=STATE_NEW ``` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org