[jira] [Created] (AMBARI-2299) Custom config UI need to be compatible with multi-line values

["Oleg Nechiporenko (JIRA)" <ji...@apache.org>]

Oleg Nechiporenko created AMBARI-2299:
-----------------------------------------

             Summary: Custom config UI need to be compatible with multi-line values
                 Key: AMBARI-2299
                 URL: https://issues.apache.org/jira/browse/AMBARI-2299
             Project: Ambari
          Issue Type: Bug
            Reporter: Oleg Nechiporenko
            Assignee: Oleg Nechiporenko
             Fix For: 1.2.5


We need to be able to handle multi-line custom prop values that NEED to be on separate lines.

For example hadoop.security.auth_to_local needs a value that is multiple distinct lines...
{noformat}
    <value>
       RULE:[2:$1@$0]([jt]t@.*EXAMPLE.COM)s/.*/mapred/
       RULE:[2:$1@$0]([nd]n@.*EXAMPLE.COM)s/.*/hdfs/
       DEFAULT
   </value>
{noformat}

When we pop-up the custom prop dialog, show a text area for the value, so we are good there.  But then we always use a single text input field on the Configs page, so it's pretty much impossible to edit.
Perhaps we can scan the value and see if it contains newlines.  If it contains newlines, then we can display it in a text area rather than a text field.


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