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https://issues.apache.org/jira/browse/HADOOP-18956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17786102#comment-17786102
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ASF GitHub Bot commented on HADOOP-18956:
-----------------------------------------
jojochuang commented on code in PR #6263:
URL: https://github.com/apache/hadoop/pull/6263#discussion_r1393407606
##########
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/tools/DFSZKFailoverController.java:
##########
@@ -297,8 +298,8 @@ public List<HAServiceTarget> getAllOtherNodes() {
@Override
protected boolean isSSLEnabled() {
- return conf.getBoolean(
- DFSConfigKeys.ZK_CLIENT_SSL_ENABLED,
- DFSConfigKeys.DEFAULT_ZK_CLIENT_SSL_ENABLED);
+ return conf.getBoolean(CommonConfigurationKeys.ZK_CLIENT_SSL_ENABLED,
+ conf.getBoolean(DFSConfigKeys.ZK_CLIENT_SSL_ENABLED,
+ DFSConfigKeys.DEFAULT_ZK_CLIENT_SSL_ENABLED));
Review Comment:
This would imply dfs.ha.zkfc.client.ssl.enabled becomes defunct. And perhaps
we should update hdfs-default.xml too.
Why is it different from YARN? In YARN,
yarn.resourcemanager.zk-client-ssl.enabled takes effect if
hadoop.zk.ssl.enabled is not set.
> 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
>
> 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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