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https://issues.apache.org/jira/browse/NIFI-3534?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15907564#comment-15907564
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ASF GitHub Bot commented on NIFI-3534:
--------------------------------------
Github user apsaltis commented on a diff in the pull request:
https://github.com/apache/nifi/pull/1581#discussion_r105672823
--- Diff:
nifi-nar-bundles/nifi-hadoop-bundle/nifi-hdfs-processors/src/main/java/org/apache/nifi/processors/hadoop/AbstractHadoopProcessor.java
---
@@ -292,7 +304,11 @@ HdfsResources resetHDFSResources(String
configResources, ProcessContext context)
ugi = SecurityUtil.loginKerberos(config, principal,
keyTab);
fs = getFileSystemAsUser(config, ugi);
lastKerberosReloginTime = System.currentTimeMillis() /
1000;
- } else {
+ } else if (context.getProperty(REMOTE_USER).isSet()){
--- End diff --
@bbende both points make perfect sense. Will make those changes.
@trixpan - will look at adding the additional information you mentioned.
> Add support for impersonating a user with HDFS processors
> ----------------------------------------------------------
>
> Key: NIFI-3534
> URL: https://issues.apache.org/jira/browse/NIFI-3534
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Andrew Psaltis
> Assignee: Andrew Psaltis
>
> When using the HDFS processors, specifically PutHDFS there are times when a
> user wants to impersonate a user so that the files written to HDFS are done
> as the remote user. In cases where Kerberos is not used, this is not
> possible. Currently there is the ability for NiFi to change the permissions
> using the Remote Owner and Remote Group, however, this only works if NiFi is
> running as a user that has HDFS super user privilege. By providing the
> ability to set a Remote User, NiFi can then impersonate the user and the
> permission checks will be done in Hadoop land.
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