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https://issues.apache.org/jira/browse/SPARK-25825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-25825:
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Assignee: (was: Apache Spark)
> Kerberos Support for Long Running Jobs in Kubernetes
> -----------------------------------------------------
>
> Key: SPARK-25825
> URL: https://issues.apache.org/jira/browse/SPARK-25825
> Project: Spark
> Issue Type: New Feature
> Components: Kubernetes
> Affects Versions: 3.0.0
> Reporter: Ilan Filonenko
> Priority: Major
>
> When provided with a --keytab and --principal combination, there is an
> expectation that Kubernetes would leverage the Driver to spin up a renewal
> thread to handle token renewal. However, in the case that a --keytab and
> --principal are not provided and instead a secretName and secretItemKey is
> provided, there should be an option to specify a config that specifies that a
> external renewal service exists. The driver should, therefore, be responsible
> for discovering changes to the secret and send the updated token data to the
> executor with the UpdateDelegationTokens message. Thereby enabling token
> renewal given just a secret in addition to the traditional use-case via
> --keytab and --principal
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