RE: Snippet with generalized functions

[Dan G]

OK, hotmail sucks! Please see below. hopefully this time with proper line breaks.
________________________________
>  From: danpg102(a)hotmail.com
>  To: cobbler(a)lists.fedorahosted.org
>  Subject: Snippet with generalized functions
>  Date: Mon, 28 Jul 2008 18:26:37 -0500
>
>  Attached is a snippet that makes use of cheetah methods. These are similar to some of the
> functionality that the Solaris SST offers. They basically encapsulate many (usually
> obscure) sed commands into handy functions. 
$set_config_value('/etc/login.defs', 'LOGIN_RETRIES', 3)

is more readable than:

perl -npe 's/^([ \t]*$LOGIN_RETRIES[ \t]+)[\x21-\x7E]*([
\t]*(#.*)?)$/\${1}3\${2}/' -i '/etc/login.defs'

and the perl (sed) command doesn't take into account the possibility that
LOGIN_RETRIES may not already be present in the file. The use of a function makes
kickstart templates more readable and helps avoid errors.

Because of the utility of these functions, I would suggest they be distributed with
cobbler, possibly as 'built-in' methods.

Development note: although I have tested that these functions do not cause any Cheetah
errors, I have not tested the resulting kickstarts in an actual provision. They may still
cause errors on the client side :( .

~
Dan

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