RE: Terminate a CDROM install from %pre

["Bodle, Donald E" <donald_bodle reyrey com>]

Well, I appreciate all the discussion, and I realize my wants may have
broader implications.  

We are trying to do as few distribution source modifications as possible, so
I will probably do a little more experimentation.  

I know I can halt the install with a simple "read dummy <
/dev/tty<whichever>" after echoing out something like "Critical
preinstallation step has failed, press system reset button and eject CDROM"
> /dev/tty<whichever>.  I was just hoping for a little less manual
intervention.  I imagine that an eject command would fail because the device
is busy.  Otherwise, I'd do a reboot from the %pre.

I presume there is yet hope.  I believe if there is a python exception (like
a malformed comps file), the install will halt.  (although, as I recall, the
system does not automatically reboot because it wants you to look at the
debug output)  Not being a python programmer (yet, anyway), perhaps there is
a way to invoke whatever python error-handler gets called from my %pre
script?

Thanks for all the suggestions.

Donald E. Bodle, Jr.
Sr. Systems Integration Engineer
Platform Development
The Reynolds and Reynolds Co.
(937) 485-1954
 

-----Original Message-----
From: John [mailto:red computerdatasafe com au] 
Sent: Wednesday, April 02, 2003 8:07 PM
To: kickstart-list redhat com
Subject: RE: Terminate a CDROM install from %pre

On Wed, 2 Apr 2003 james oden tekelec com wrote:

> an error to whatever called it, to get the thing to stop properly.  At
> anyrate its easy to see that there was no
> intention of even caring about return codes from %pre scripts (or %post
> scripts for that matter), which I
> thinks is the wrong thing to do, or at least there should be an option to
> request it to do this, but in most
> cases if the %pre goes bad, I don't want the install to continue.  In our
> case when %pre goes bad
> usually shortly there after anaconda goes completley off the rails and we
> get a python exception.

Clearly, change that behaviour now is going to upset folks.

What happens if you remove the ks file in your %pre script?

I think this could be made an acceptable way to stop a ks install at
that point. Jeremy may accept a patch to that effect.



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