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From "Yusaku Sako (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-574) Service Configuration: tabify settings for each service
Date Fri, 22 Jun 2012 23:37:42 GMT
Yusaku Sako created AMBARI-574:
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             Summary: Service Configuration: tabify settings for each service
                 Key: AMBARI-574
                 URL: https://issues.apache.org/jira/browse/AMBARI-574
             Project: Ambari
          Issue Type: Improvement
            Reporter: Yusaku Sako
            Assignee: Yusaku Sako


Currently, Step 6 of the Cluster Install Wizard is one massive form that shows all parameters
for all services (and takes up multiple screens worth of vertical space).
This is disorienting and not very user-friendly.
There is a number of improvements that can be made for this page:

 * Create a tab for each service and organize configuration parameters within the tabbed content
 * Be explicit about the fields that are required but do not have any default content
 * Show Nagios and Hive configurations first, as they contain fields that are required but
don't have default content
 * Always require the user to enter passwords (currently, Nagios Admin password is pre-filled
but they are showing as *** so this is confusing)
 * Do not let the user submit the form if there are any client-side validation errors that
have not been addressed (toggle the submit button enabled/disabled state based on the number
of client-side validation errors).
 * Upon submission and server-side validation error, show the number of validation errors
for each service inside the corresponding tab
 * As the user make corrections, clear the field error messages (for example, when we show
the field error that the field is required, but we don't clear the error message after the
user fills the field).
 * Dynamically change the number of errors per service in the tab as client-side validation
errors are generated/cleared.

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