Andrii Babiichuk created AMBARI-2976:
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Summary: During agent registration show list of agents that are
registered but do not correspond to any hostnames that are provided by the user
Key: AMBARI-2976
URL: https://issues.apache.org/jira/browse/AMBARI-2976
Project: Ambari
Issue Type: Improvement
Components: client
Affects Versions: 1.2.5
Reporter: Andrii Babiichuk
Assignee: Andrii Babiichuk
Fix For: 1.4.1
It is not uncommon to have a mismatch between the hostname provided by the user
(for hosts that are member of the cluster) and the hostname used by the agent
to register itself. Currently, FE shows the list host, out of the list provided
by the user, that registered or failed registration. It will be useful to also
show the list of hosts that have registered but do not correspond to any of the
hostnames supplied by the user. This will help in debugging situations where
there is a hostname mismatch.
In Confirm Hosts page, add a warning message section with a link labeled "There
are X other registered hosts" if there are such hosts. This should appear above
the Host Checks message area.
"Other registered hosts" are defined as hosts that appear when we call
/api/v1/hosts but do not belong to the current list of hosts provided by the
user thru the UI or hosts that already belong to the cluster (ones that show up
/ap1/v1/<cluster>/hosts).
If the count of such hosts is 0, we do not show this warning message.
Popup Title: "X Other Registered Hosts" where X is the number of such hosts.
Popup Body: "These are the hosts that have registered with the server, but do
not appear in the list of hosts that you are adding.", followed by a list of
hostnames, one per line.
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