Puppet users - Jun 2007 - Installing a file only if a package is available

Hi,

is there a way to make sure a file is installed only if a certain
package is installed on the client?

e.g. I want to distribute the client key for NX via puppet.  However I
only want to install these files if package ''freenx'' is
installed on the
client.

I tried adding ''require => package["freenx"]'' but
then puppetd complains
it doesn''t know how to install freenx.  However I don''t want
it to
install freenx even if it would figure out how to do that.  If freenx is
not installed I just don''t want this class to have any net effect.


--------------------------
class nx_clientkey {
        remotefile { "/var/lib/nxserver/home/.ssh/authorized_keys2":
                source =>
"os/$operatingsystem/nx/authorized_keys2",
                ensure => file,
                mode => 600 }
        remotefile { "/var/lib/nxserver/home/.ssh/default.id_dsa.pub":
                source =>
"os/$operatingsystem/nx/default.id_dsa.pub",
                ensure => file,
                mode => 600 }
        remotefile
{ "/var/lib/nxserver/home/.ssh/default.id_dsa.pub.backup":
                source =>
"os/$operatingsystem/nx/default.id_dsa.pub.backup",
                ensure => file ,
                mode => 600 }
}
---------------------------

Nico

On 29/06/07, Nico De Ranter <nico@sonycom.com>
wrote:
>
>
> Hi,
>
> is there a way to make sure a file is installed only if a certain
> package is installed on the client?
>
> e.g. I want to distribute the client key for NX via puppet.  However I
> only want to install these files if package ''freenx'' is
installed on the
> client.
>
> I tried adding ''require =>
package["freenx"]'' but then puppetd complains
> it doesn''t know how to install freenx.  However I don''t
want it to
> install freenx even if it would figure out how to do that.  If freenx is
> not installed I just don''t want this class to have any net effect.


If you normally manage the freenx package with puppet (i.e. you can be sure
that if the machine has freenx it came there through something like:

package { "freenx":
  ensure => latest,
}

then you can do a check to see if this node has that package defined:

case defined(Package["freenx"]) {
  true: {
   # yes, is a freenx machine, so install other stuff
  }
}

Or something like that.

If not, then you could get there by creating a custom facter fact with
reports whether freenx is on the machine.

And maybe some other possibilities that I''ve missed.

Hope that helps,
Thijs

--------------------------
> class nx_clientkey {
>         remotefile {
"/var/lib/nxserver/home/.ssh/authorized_keys2":
>                 source =>
"os/$operatingsystem/nx/authorized_keys2",
>                 ensure => file,
>                 mode => 600 }
>         remotefile {
"/var/lib/nxserver/home/.ssh/default.id_dsa.pub":
>                 source =>
"os/$operatingsystem/nx/default.id_dsa.pub",
>                 ensure => file,
>                 mode => 600 }
>         remotefile
> { "/var/lib/nxserver/home/.ssh/default.id_dsa.pub.backup":
>                 source =>
> "os/$operatingsystem/nx/default.id_dsa.pub.backup",
>                 ensure => file ,
>                 mode => 600 }
> }
> ---------------------------
>
> Nico
>
> _______________________________________________
> Puppet-users mailing list
> Puppet-users@madstop.com
> https://mail.madstop.com/mailman/listinfo/puppet-users
>

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Does the case statement below actually work?  I''d like to conditionally
include some extra munin plugins if Samba is installed, but I get a
"Syntax error at ''Package''..." error when I try to
use the "case
defined" statement.
 
(apologies for top posting but Outlook drops the quoting if I don''t do
so)

	If you normally manage the freenx package with puppet (i.e. you
can be sure that if the machine has freenx it came there through
something like: 
	
	package { "freenx":
	  ensure => latest,
	}
	
	then you can do a check to see if this node has that package
defined:
	
	case defined(Package["freenx"]) {
	  true: {
	   # yes, is a freenx machine, so install other stuff 
	  }
	} 
	 
	  


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On 03/07/07, HARRIS Jimmy (AXA-Tech-AU) <Jimmy.Harris@axa-tech.com>
wrote:
>
>  Does the case statement below actually work?  I''d like to
conditionally
> include some extra munin plugins if Samba is installed, but I get a
"Syntax
> error at ''Package''..." error when I try to use the
"case defined" statement.
>
> (apologies for top posting but Outlook drops the quoting if I
don''t do so)
>

It should. I''m using it all over the place now. You need 0.23 on the
server
though, I think. So maybe that''s your problem?

gr,
Thijs

If you normally manage the freenx package with puppet (i.e. you can be
sure
> that if the machine has freenx it came there through something like:
>
> package { "freenx":
>   ensure => latest,
> }
>
> then you can do a check to see if this node has that package defined:
>
> case defined(Package["freenx"]) {
>   true: {
>    # yes, is a freenx machine, so install other stuff
>   }
> }
>
>
>
>
>
>
>
>
>
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> This email (including any attachments) contains information which is
> confidential and may be subject to legal privilege.  If you are not
> the intended recipient you must not use, distribute or copy this
> email.  If you have received this email in error please notify the
> sender immediately and delete this email. Any views expressed in this
> email are not necessarily the views of AXA-Tech Australia.   Thank you.
>
>
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>
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> Puppet-users mailing list
> Puppet-users@madstop.com
> https://mail.madstop.com/mailman/listinfo/puppet-users
>
>

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On Jul 3, 2007, at 4:57 AM, Thijs Oppermann wrote:
> It should. I''m using it all over the place now. You need 0.23 on  
> the server though, I think. So maybe that''s your problem?
Yeah, this was only fixed in 0.23.0.

  --
  The world tolerates conceit from those who are successful, but not
  from anybody else.   -- John Blake
  ---------------------------------------------------------------------
  Luke Kanies | http://reductivelabs.com | http://madstop.com

You''re correct, I was using 0.22.4.  Upgrading using dlutter''s
yum
repository fixed the problem.
 
Thanks for the help and pointing out a very useful Puppet option.
 
james


________________________________

	From: puppet-users-bounces@madstop.com
[mailto:puppet-users-bounces@madstop.com] On Behalf Of Thijs Oppermann
	Sent: Tuesday, 3 July 2007 7:57 PM
	To: Puppet User Discussion
	Subject: Re: [Puppet-users] Installing a file only if a package
is available
	
	
	On 03/07/07, HARRIS Jimmy (AXA-Tech-AU)
<Jimmy.Harris@axa-tech.com> wrote: 
	

		Does the case statement below actually work?  I''d like
to conditionally include some extra munin plugins if Samba is installed,
but I get a "Syntax error at ''Package''..." error
when I try to use the
"case defined" statement.
		 
		(apologies for top posting but Outlook drops the quoting
if I don''t do so)



	It should. I''m using it all over the place now. You need 0.23 on
the server though, I think. So maybe that''s your problem?
	
	gr, 
	Thijs
	


		

			If you normally manage the freenx package with
puppet (i.e. you can be sure that if the machine has freenx it came
there through something like: 
			
			package { "freenx":
			  ensure => latest,
			}
			
			then you can do a check to see if this node has
that package defined:
			
			case defined(Package["freenx"]) {
			  true: {
			   # yes, is a freenx machine, so install other
stuff 
			  }
			} 
			 
			  





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*********
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This email (including any attachments) contains information which is 
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the intended recipient you must not use, distribute or copy this 
email.  If you have received this email in error please notify the 
sender immediately and delete this email. Any views expressed in this 
email are not necessarily the views of AXA-Tech Australia.   Thank you.
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the intended recipient you must not use, distribute or copy this 
email.  If you have received this email in error please notify the 
sender immediately and delete this email. Any views expressed in this 
email are not necessarily the views of AXA-Tech Australia.   Thank you.
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