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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