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From Íñigo Goiri (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15950) Failover for LdapGroupsMapping
Date Tue, 27 Nov 2018 03:18:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16699874#comment-16699874
] 

Íñigo Goiri commented on HADOOP-15950:
--------------------------------------

Thanks [~lukmajercak] for the patch.
* I think for the for loop we can keep one of the fors and do the failover ones as it was.
* Can we add a javadoc to {{failover()}}?
* Can we fix the couple checkstyle issues left?
* Missing license for TestLdapGroupsMappingWithFailover.
* We may want to do {{conf.setStrings(LDAP_URL_KEY, "ldap://test.ldap://test1.ldap://test2");}}
to test a real user case.

The rest of the patch is mostly cleanup; this needs a cleanup but I'm hesitant to put all
this in a single JIRA.

> Failover for LdapGroupsMapping
> ------------------------------
>
>                 Key: HADOOP-15950
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15950
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: common, security
>            Reporter: Lukas Majercak
>            Assignee: Lukas Majercak
>            Priority: Major
>         Attachments: HADOOP-15950.001.patch, HADOOP-15950.002.patch, HADOOP-15950.003.patch,
HADOOP-15950.004.patch
>
>
> Currently, LdapGroupsMapping supports only a single ldap server url, this can obviously
cause issues if the ldap instance goes down. This JIRA attempts to improve this by allowing
users to list multiple ldap server urls, and performing a failover if we detect any issues.



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