wForget commented on code in PR #6383:
URL: https://github.com/apache/kyuubi/pull/6383#discussion_r1635870830
##########
kyuubi-server/src/main/scala/org/apache/kyuubi/engine/flink/FlinkProcessBuilder.scala:
##########
@@ -58,14 +61,30 @@ class FlinkProcessBuilder(
// flink.execution.target are required in Kyuubi conf currently
val executionTarget: Option[String] =
conf.getOption("flink.execution.target")
+ private lazy val proxyUserEnable: Boolean = {
+ doAsEnabled && conf.get(ENGINE_FLINK_DOAS_ENABLED) &&
+ conf.getOption(s"$FLINK_CONF_PREFIX.$FLINK_SECURITY_KEYTAB_KEY").isEmpty &&
Review Comment:
The implementation of flink proxy user is different from the built-in
`--proxy-user` of spark. It relies on `HADOOP_PROXY_USER` and has some
limitations. It is difficult for us to control the behavior of the client well.
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