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https://issues.apache.org/jira/browse/HBASE-4791?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matteo Bertozzi updated HBASE-4791:
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Attachment: HBASE-4791-v1.patch
I'll try to explain how the jaas.conf works...
On the first call of javax.security.auth.login.Configuration.getConfiguration()
"login.configuration.provider" property is checked to see what is the
Configuration class that handle the jaas.
If the property is not set "com.sun.security.auth.login.ConfigFile" is used as
jaas.conf reader...
It checks if the "java.security.auth.login.config" was specified, and if so it
reads the file and keep the "jaas options".
So in your JVM there's just one single instance of auth.login.Configuration
running.
The idea here, is to avoid to specify the
-Djava.security.auth.login.config=jaas.conf for HBase Region Server and HBase
Master, and use instead the hbase-site. One simple way to do that is to create
a custom auth.login.Configuration class that returns the "jaas option" for
needed to HBase.
Now you've to options to use your Configuration class: setting the
"login.configuration.provider" property to pointing to the proper class the
other way is to call auth.login.Configuration.setConfiguration() and provide
the custom configuration class.
I've choosen the second way since you don't have to rely on "Have I already
called Configuration.getConfiguration()" somewhere? and put the setProperty()
as first line... but the only thing to be aware is "do this before connect to
zookeeper".
> Allow Secure Zookeeper JAAS configuration to be programmatically set (rather
> than only by reading JAAS configuration file)
> --------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-4791
> URL: https://issues.apache.org/jira/browse/HBASE-4791
> Project: HBase
> Issue Type: Improvement
> Components: security, zookeeper
> Reporter: Eugene Koontz
> Assignee: Eugene Koontz
> Labels: security, zookeeper
> Attachments: DemoConfig.java, HBASE-4791-v0.patch, HBASE-4791-v1.patch
>
>
> In the currently proposed fix for HBASE-2418, there must be a JAAS file
> specified in System.setProperty("java.security.auth.login.config").
> However, it might be preferable to construct a JAAS configuration
> programmatically, as is done with secure Hadoop (see
> https://github.com/apache/hadoop-common/blob/a48eceb62c9b5c1a5d71ee2945d9eea2ed62527b/src/java/org/apache/hadoop/security/UserGroupInformation.java#L175).
> This would have the benefit of avoiding a usage of a system property setting,
> and allow instead an HBase-local configuration setting.
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