[jira] [Created] (AMBARI-8350) Usability: confusing typeahead widget for host selection when there are more than 25 hosts in the cluster

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

Oleg Nechiporenko created AMBARI-8350:
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             Summary: Usability: confusing typeahead widget for host selection when there are more than 25 hosts in the cluster
                 Key: AMBARI-8350
                 URL: https://issues.apache.org/jira/browse/AMBARI-8350
             Project: Ambari
          Issue Type: Bug
          Components: ambari-web
    Affects Versions: 2.0.0
            Reporter: Oleg Nechiporenko
            Assignee: Oleg Nechiporenko
             Fix For: 2.0.0


When there are more than 25 hosts in the cluster, the host selection pulldown turns into a type-ahead text field.
This is a common widget that is used for various pages like Installer > Assign Masters, Move > Select Target Host, etc.
The problem is that if you copy paste the hostname directly, the UI shows RED .  The user has to know to click or hit enter on the suggested hostname (which is the same as the user pasted in but with RAM and # cores.  Also, when the user makes this selection, the text field shows RAM & # cores.  

1. It should just work if the user copy pastes a valid hostname
2. Once a selection is made from type ahead, the text field value should NOT include RAM & # cores.




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