Vojtech Szocs has posted comments on this change.

Change subject: webadmin: Fix UI plugin REST API / Engine session refresh issue
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Patch Set 5:

> practically, this means that if a ui-plugin will perform a rest-api call 
> after 'UserSessionTimeOutInterval' seconds of being idle (i.e. 
> rest-api-http-session is expired, but engine session still not expired yet 
> necessarily, per the explanation above), then we may see a browser-pop-up 
> asking for credentials for the rest-api.

Actually, we still have the heartbeat repeated timer in place, it just works 
differently:
* previously, each 1min, send un-conditional HTTP request to REST root URL /api
* now, each 1min, if there was "refreshing" operation (action/query) in past 
1min, send HTTP request to REST root URL /api

So we are NOT sending REST "keepalive" request on each "refreshing" operation 
(action/query) execution, but max. once per 1min. Because of this, REST session 
is refreshed *after* Engine session is refreshed, so the scenario you wrote 
above is not possible, I think.

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Gerrit-MessageType: comment
Gerrit-Change-Id: I2ffd3198239040f67313238a837af98db16e79ea
Gerrit-PatchSet: 5
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: Vojtech Szocs <vsz...@redhat.com>
Gerrit-Reviewer: Alexander Wels <aw...@redhat.com>
Gerrit-Reviewer: Alon Bar-Lev <alo...@redhat.com>
Gerrit-Reviewer: Einav Cohen <eco...@redhat.com>
Gerrit-Reviewer: Greg Sheremeta <gsher...@redhat.com>
Gerrit-Reviewer: Oved Ourfali <oourf...@redhat.com>
Gerrit-Reviewer: Vojtech Szocs <vsz...@redhat.com>
Gerrit-Reviewer: automat...@ovirt.org
Gerrit-Reviewer: oVirt Jenkins CI Server
Gerrit-HasComments: No
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