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From "Aleksandr Kovalenko (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-2991) NameNode HA Wizard: Prompt for Nameservice ID in Get Started page
Date Thu, 22 Aug 2013 15:22:52 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-2991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aleksandr Kovalenko updated AMBARI-2991:
----------------------------------------

    Attachment: AMBARI-2991.patch
    
> NameNode HA Wizard: Prompt for Nameservice ID in Get Started page
> -----------------------------------------------------------------
>
>                 Key: AMBARI-2991
>                 URL: https://issues.apache.org/jira/browse/AMBARI-2991
>             Project: Ambari
>          Issue Type: Task
>          Components: client
>    Affects Versions: 1.4.1
>            Reporter: Aleksandr Kovalenko
>            Assignee: Aleksandr Kovalenko
>             Fix For: 1.4.1
>
>         Attachments: AMBARI-2991.patch
>
>
> Create a text field with the label "Nameservice ID".
> The tooltip for this field should be "This will be the ID for the NameNode HA cluster.
 For example, if you set Nameservice ID to *mycluster*, the logical URI for HDFS will be *hdfs://mycluster*."
> We'll do a round of text clean up later.  Let's get this in first so that we can integrate
end to end with this change.
> So far, we have been hardcoding "mycluster".  Based on the value of this, we should set
the affected property keys and values appropriately when we reconfigure HDFS in the Deploy
step.
> Let's make the validation for the Nameservice ID to be the same rule as the hostname
(not FQDN, but the first component of it).  This should be flexible enough and also avoids
potential problems (doesn't seem like we should allow dots as the Nameservice ID is used as
the name of keys whose components are dot-delimited, like dfs.namenode.http-address.mycluster.nn1)
> {noformat}
> ^([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])$
> {noformat}

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