On Sep 22, 2011, at 2:05 PM, Jan Pazdziora wrote:
On Thu, Sep 22, 2011 at 01:02:44PM -0300, Marcelo Moreira de Mello wrote:
When scheduling a config files deployment using the webUI, rhn_check fails
if some file scheduled does not have a valid UID/GID into client box.
With current unpatched code, when this happens -- are some of the
files deployed and some not, or is the whole deployment cancelled?
I am not completely sure it is correct to deploy half of the files
and not deploy the other half -- especially with the batch-oriented
processing of scheduled actions, you don't want the machine to be
left in an inconsistent state.
At unpatched code, the whole deployment is cancelled. It rollbacks all the
files and none files is deployed. When I started looking into this issue, I
had the thinking that you.
This patch introduce to rhn_check the same behavior as rhncfg-client get
allowing the correct files (which have a valid UID/GID) to be deployed and
fails to those files which misses a valid UID/GID.
I assume that rhncfg-client get complains loudly about the files it
failed to deploy. From this point of view, it is tolerable that
rhncfg-client get would only deploy half of the files because there
is likely person running that command which would be able to respond
accordingly.
Yes. rhncfg-client get complains and print into the screen the files which were
not able to be deployed. Although, we can see a lot of sysadmin using the
rhncfg-client get at %post section in their kickstart, where they will not be
able to see such warning too. In this case per example, we have a customer
which expects that rhn_check works deploying half of files, but I do agree with
you that in some other cases, we don't want the machine to be left in an
inconsistent state.
I think that we can offer to the users an option to make such behavior with a
tunable parameter. Per example, we can add a new option at rhn-actions-control
--enable-half-deploy or --enable-unbatch which turns rhn_check able to perform
unbatched deployments. Please, check the comment
https://bugzilla.redhat.com/show_bug.cgi?id=737698#c1 regarding the customer's
expectations.
What do you think?
Appreciate your help.
Best Regards,
mmello
--
Jan Pazdziora
Principal Software Engineer, Satellite Engineering, Red Hat
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