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https://issues.apache.org/jira/browse/HADOOP-18919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17776575#comment-17776575
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ASF GitHub Bot commented on HADOOP-18919:
-----------------------------------------
dombizita commented on code in PR #6194:
URL: https://github.com/apache/hadoop/pull/6194#discussion_r1363567945
##########
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/SecurityUtil.java:
##########
@@ -786,4 +789,96 @@ public static List<ZKUtil.ZKAuthInfo>
getZKAuthInfos(Configuration conf,
throw e;
}
}
+
+ public static void validateSslConfiguration(TruststoreKeystore
truststoreKeystore) throws ConfigurationException {
+ if
(org.apache.commons.lang3.StringUtils.isEmpty(truststoreKeystore.keystoreLocation))
{
Review Comment:
I thought of this too, but in this class we already have
`org.apache.hadoop.util.StringUtils` imported and it is using
`StringUtils.toLowerCase()` and `StringUtils.toUpperCase` from there. This
library doesn't have the `isEmpty()` method and the
`org.apache.commons.lang3.StringUtils` doesn't have the other two (at least
they have a different name).
What I could do is to use the `commons-lang3` and use the `upperCase()` and
`lowerCase()` methods from there, but I didn't want to do unnecessary
refactoring.
Or I can check this here and not use `commons-lang3`:
```
truststoreKeystore.keystoreLocation == null ||
truststoreKeystore.keystoreLocation.isEmpty()
```
These were my first thoughts, let me know if you think something else could
be done.
> Zookeeper SSL/TLS support in HDFS ZKFC
> --------------------------------------
>
> Key: HADOOP-18919
> URL: https://issues.apache.org/jira/browse/HADOOP-18919
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Zita Dombi
> Assignee: Zita Dombi
> 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.
> In YARN-11468 the SSL communication can be set in Yarn, now we need to
> similar changes in HDFS to enable it correctly. In HDFS ZK Client is used in
> the Failover Controller. In this improvement we need to create the ZK client
> with the necessary SSL configs if we enable it, which we can track under a
> new HDFS config.
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