Steve Loughran created SPARK-13148:
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Summary: support zero-keytab Oozie application launch on a secure
cluster
Key: SPARK-13148
URL: https://issues.apache.org/jira/browse/SPARK-13148
Project: Spark
Issue Type: New Feature
Components: YARN
Affects Versions: 1.6.0
Environment: YARN cluster with Kerberos enabled, launched from Oozie
—where Oozie passes down the delegation tokens
Reporter: Steve Loughran
Oozie can launch Spark instances on insecure clusters, and on a secure cluster
if Oozie is set up to provide a keytab.
What it cannot currently do is launch a Spark application on a YARN cluster
without a keytab. In this situation, Oozie collects the delegation tokens it is
setup to collect (as a superuser in the cluster), saves them to a file, then
points to the file in the `HADOOP_TOKEN_FILE_LOCATION` environment variable.
These tokens need to be used to launch the application —rather than try to get
some more
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