maropu commented on a change in pull request #31622:
URL: https://github.com/apache/spark/pull/31622#discussion_r581938058
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/jdbc/connection/DB2ConnectionProvider.scala
##########
@@ -34,15 +35,22 @@ private[sql] class DB2ConnectionProvider extends
SecureConnectionProvider {
override def getConnection(driver: Driver, options: Map[String, String]):
Connection = {
val jdbcOptions = new JDBCOptions(options)
- setAuthenticationConfigIfNeeded(driver, jdbcOptions)
-
UserGroupInformation.loginUserFromKeytabAndReturnUGI(jdbcOptions.principal,
jdbcOptions.keytab)
- .doAs(
- new PrivilegedExceptionAction[Connection]() {
- override def run(): Connection = {
- DB2ConnectionProvider.super.getConnection(driver, options)
+ val parent = Configuration.getConfiguration
+ try {
+ setAuthenticationConfig(parent, driver, jdbcOptions)
+
UserGroupInformation.loginUserFromKeytabAndReturnUGI(jdbcOptions.principal,
+ jdbcOptions.keytab)
+ .doAs(
+ new PrivilegedExceptionAction[Connection]() {
+ override def run(): Connection = {
+ DB2ConnectionProvider.super.getConnection(driver, options)
+ }
}
- }
- )
+ )
+ } finally {
+ logDebug("Restoring original security configuration")
+ Configuration.setConfiguration(parent)
+ }
Review comment:
Ah, I see. Let's use the option 1. for now. Even if it is a development
api, I think it is better not to change it as much as possible
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