zuston commented on a change in pull request #15131:
URL: https://github.com/apache/flink/pull/15131#discussion_r612220526
##########
File path:
flink-yarn/src/main/java/org/apache/flink/yarn/YarnClusterDescriptor.java
##########
@@ -1079,15 +1091,24 @@ private ApplicationReport startAppMaster(
// setup security tokens
if (UserGroupInformation.isSecurityEnabled()) {
- // set HDFS delegation tokens when security is enabled
- LOG.info("Adding delegation token to the AM container.");
- List<Path> yarnAccessList =
- ConfigUtils.decodeListFromConfig(
- configuration, YarnConfigOptions.YARN_ACCESS,
Path::new);
+ List<Path> yarnAccessList = new ArrayList<>();
+
+ Boolean kerberosFetchDelegationTokenEnabled =
+
configuration.getBoolean(SecurityOptions.KERBEROS_FETCH_DELEGATION_TOKEN);
+
+ if (kerberosFetchDelegationTokenEnabled) {
+ // set HDFS delegation tokens when security is enabled
+ LOG.info("Adding delegation token to the AM container.");
+ yarnAccessList =
+ ConfigUtils.decodeListFromConfig(
+ configuration, YarnConfigOptions.YARN_ACCESS,
Path::new);
+ }
+
Utils.setTokensFor(
amContainer,
ListUtils.union(yarnAccessList,
fileUploader.getRemotePaths()),
- yarnConfiguration);
+ yarnConfiguration,
+ kerberosFetchDelegationTokenEnabled);
Review comment:
`YARN_ACCESS` and `KERBEROS_FETCH_DELEGATION_TOKEN` are exclusive.
It's kerberos mechanism.
Please check spark related doc:
https://spark.apache.org/docs/latest/running-on-yarn.html#launching-your-application-with-apache-oozie
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