Puppet users - Apr 2012 - Only write file if copy on master is present

Hi,
I''m trying to find a way to configure the firewall on centos systems
using
puppet by copying the /etc/sysconfig/iptables file and restarting the 
iptables service.
That part is simple to accomplish. The twist I need to add though is that I 
only want to do this if a copy of that file for the node exists on the 
server. If this file doesn''t
exists then I want puppet to not replace the file on the client and not 
restart the service.

Is there a way to accomplish this sort of conditional execution?

Regards,
  Dennis

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Hi,

On Sunday, 22 April 2012 02:15:19 UTC+1, Dennis Jacobfeuerborn wrote:
 
[...]
> The twist I need to add though is that I only want to do this if a copy of 
> that file for the node exists on the server. If this file doesn''t
>
exists then I want puppet to not replace the file on the client and not
> restart the service.
>
> Is there a way to accomplish this sort of conditional execution?
>
Have a look on: 
https://github.com/kwilczynski/puppet-functions/blob/master/lib/puppet/parser/functions/exists.rb


Maybe it will be of any use to you in this case.

KW

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Thanks, this looks like it will do the trick. The lack of puppet:// support 
probably means I will have to hard-code a path to a directory somewhere but 
that shouldn''t be to big of a deal.

On Sunday, April 22, 2012 8:49:50 PM UTC+2, matti wrote:
>
> Hi,
>
> On Sunday, 22 April 2012 02:15:19 UTC+1, Dennis Jacobfeuerborn wrote:
>  
> [...]
>
>> The twist I need to add though is that I only want to do this if a copy
>> of that file for the node exists on the server. If this file
doesn''t
>>
> exists then I want puppet to not replace the file on the client and not 
>> restart the service.
>>
>> Is there a way to accomplish this sort of conditional execution?
>>
>
> Have a look on: 
>
https://github.com/kwilczynski/puppet-functions/blob/master/lib/puppet/parser/functions/exists.rb
>
> Maybe it will be of any use to you in this case.
>
> KW
>
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Hi,

On Monday, 23 April 2012 13:59:00 UTC+1, Dennis Jacobfeuerborn wrote:
> Thanks, this looks like it will do the trick. The lack of puppet:// 
> support probably means I will have to hard-code a path to a directory 
> somewhere but that shouldn''t be to big of a deal.
>
[...]

Apologies for that :-(

Adding support for "puppet://" is quite tricky (there is a lot going
on
under-the-hood with this one), and I never have the time to do it (unless 
somebody is willing to help out and/or sponsor).

For the time being, please bare with fully-qualified paths ...

KW 

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I didn''t mean to imply that this was your fault and I already knew that
the
puppet support probably was missing because it''s quite tricky to
implement.
Since I''ve started looking into writing my own functions and modules
and
get a bit deeper into puppet I might actually look into this myself if I 
find the time. If I make any progress there you can expect a pull request 
for the changes :)

On Monday, April 23, 2012 3:57:08 PM UTC+2, matti wrote:
>
> Hi,
>
> On Monday, 23 April 2012 13:59:00 UTC+1, Dennis Jacobfeuerborn wrote:
>
>> Thanks, this looks like it will do the trick. The lack of puppet:// 
>> support probably means I will have to hard-code a path to a directory 
>> somewhere but that shouldn''t be to big of a deal.
>>
> [...]
>
> Apologies for that :-(
>
> Adding support for "puppet://" is quite tricky (there is a lot
going on
> under-the-hood with this one), and I never have the time to do it (unless 
> somebody is willing to help out and/or sponsor).
>
> For the time being, please bare with fully-qualified paths ...
>
> KW 
>
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Hi,

On Monday, 23 April 2012 16:14:59 UTC+1, Dennis Jacobfeuerborn wrote:
[...]
> If I make any progress there you can expect a pull request for the changes 
> :)
>
[...]

Thank you! That''s very kind :) Let me know if I can help and/or we can
join
efforts.

KW

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