Maziar Mirzazad created HADOOP-17005:
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Summary: Add capability in hadoop-client to automatically login
from a client/service keytab
Key: HADOOP-17005
URL: https://issues.apache.org/jira/browse/HADOOP-17005
Project: Hadoop Common
Issue Type: Improvement
Components: security
Affects Versions: 2.0.0-alpha
Reporter: Maziar Mirzazad
Fix For: 2.9.2
With existing Hadoop client implementation, client applications for services
that are using kerberized clusters, need to handle Keytab based login in their
code, before doing HDFS or M/R API calls.
To avoid that, we are proposing adding Keytab based auto login to hadoop client
library with configurable and default paths for Keytabs.
This functionality helps new service owners as well as those transitioning from
non-kerberized cluster to kerberized ones.
Auto login, should avoid extra login attempts in case a valid TGT is already
available.
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