Einav Cohen has posted comments on this change.

Change subject: webadmin: Fix UI plugin REST API / Engine session refresh issue
......................................................................


Patch Set 5:

> ... so the scenario you wrote above is not possible, I think.

consider the following scenario:

UserSessionTimeOutInterval=2

- 12:00:00: engine expires expired sessions. 
- 12:00:01: user login to web-admin, web-admin http session (w1), rest-api http 
session (r1) are created, all pointing to a newly-created engine session (e1). 
there is no user interaction, the ui-plugins are not performing any rest-api 
requests. 
- 12:02:00: engine expires expired sessions. e1 is 1m59sec old, so it is not 
expired. w1 and r1 are still alive as well (their TTL is 2 minutes, just like 
UserSessionTimeOutInterval). 
- 12:02:01: r1 is expired. e1 is still alive (and will be until 12:04:00). 
- 12:02:02: user performs an action / ui-plugin makes a rest-api request -> a 
rest-api request is performed (either immediately, or sometime in the upcoming 
minute). r1 is expired, therefore rest-api request cannot be fulfilled -> 
browser displays a credentials-request-for-rest-api pop-up.

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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: Yair Zaslavsky <yzasl...@redhat.com>
Gerrit-Reviewer: automat...@ovirt.org
Gerrit-Reviewer: oVirt Jenkins CI Server
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