[SPARK-40840] Support Keytab file passing as a k8s secret - ASF JIRA

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Details

Type: New Feature
Status: Open
Priority: Major
Resolution: Unresolved
Affects Version/s: 3.3.0
Fix Version/s: None
Component/s: Kubernetes, Spark Submit
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Description

Currently I can use

--conf spark.kerberos.keytab=local://

It would be useful if I can make keytab file as a kubernetes secret and then reference the secret here instead of keytab file. Keytab file needs to be mounted using templates and it gets to be tedious needlessly when running driver on cluster mode.

I can help if directed on how to get this done.

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1.	Support k8s secret as keytab file when using kerberos on spark on kubernetes		Open	Unassigned	Actions
2.	Support s3 and hdfs paths for keytab file while being passed		Open	Unassigned	Actions