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https://issues.apache.org/jira/browse/HADOOP-18956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang resolved HADOOP-18956.
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Fix Version/s: 3.4.0
Resolution: Fixed
> Zookeeper SSL/TLS support in ZKDelegationTokenSecretManager and
> ZKSignerSecretProvider
> --------------------------------------------------------------------------------------
>
> Key: HADOOP-18956
> URL: https://issues.apache.org/jira/browse/HADOOP-18956
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Zita Dombi
> Assignee: István Fajth
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> HADOOP-18709 added support for Zookeeper to communicate with SSL/TLS enabled
> in hadoop-common. With those changes we have the necessary parameters, that
> we need to set to enable SSL/TLS in a ZK Client. That change also did changes
> in ZKCuratorManager, so with that it is easy to set the SSL/TLS, for Yarn it
> was done in YARN-11468.
> In DelegationTokenAuthenticationFilter currently we are using
> CuratorFrameworkFactory, it'd be good to change it to use ZKCuratorManager
> and with that we should support SSL/TLS enablement.
> *UPDATE*
> So as I investigated this a bit more, it wouldn't be so easy to move to using
> ZKCuratorManager.
> DelegationTokenAuthenticationFilter uses ZK from two places: in
> ZKDelegationTokenSecretManager and in ZKSignerSecretProvider. In both places
> it uses CuratorFrameworkFactory, but the attributes and creation
> differentiates from ZKCuratorManager.
> In ZKDelegationTokenSecretManager it would be easy to add the new config and
> based on that create ZK with CuratorFrameworkFactory. But
> ZKSignerSecretProvider is in hadoop-auth module and with my change it would
> need hadoop-common, so it would introduce circular dependency between modules
> 'hadoop-auth' and 'hadoop-common'. I'm still working on a straightforward
> solution.
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