[node-patches] Change in ovirt-node[master]: rhn_model: Add validation for vars

[Code Review]

>From Douglas Schilling Landgraf <dougsland at redhat.com>:

Douglas Schilling Landgraf has posted comments on this change.

Change subject: rhn_model: Add validation for vars
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Patch Set 1: Verified+1

from my tests it worked.

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Gerrit-MessageType: comment
Gerrit-Change-Id: I5bd187d52e84ddcc1096f2d842884614106ff2d7
Gerrit-PatchSet: 1
Gerrit-Project: ovirt-node
Gerrit-Branch: master
Gerrit-Owner: Douglas Schilling Landgraf <dougsland at redhat.com>
Gerrit-Reviewer: Douglas Schilling Landgraf <dougsland at redhat.com>
Gerrit-Reviewer: Marcelo Moreira de Mello <mdemello at redhat.com>
Gerrit-Reviewer: Sandro Bonazzola <sbonazzo at redhat.com>
Gerrit-Reviewer: gerrit-hooks <automation at ovirt.org>
Gerrit-HasComments: No