[Puppet Users] Re: puppet uninstall package

2013-04-10 Thread jcbollinger


On Tuesday, April 9, 2013 5:50:28 PM UTC-5, Francesco wrote:

 Now eureka I have uninstall screen with rpm and I have created the 
 following 
 I begun from screen installation again :)))
 /etc/puppet/modules/screen/manifests/init.pp

 class screen {

   package { 'screen':
 ensure = 'present'
 }
 }

 under this path I ve declared class

 /etc/puppet/manifests/site.pp

 John I hope to understand what you are trying to say to me

 But where I can define which packet must have a node rather than another
 Example where can i set if node 1 can have screen an node 2 can have vim 
 but not screen and node 3 apache and not vim?? perhups in node.pp ??
 Thank you in advance and to Andy too

 #import 'nodes.pp'
 $puppetserver = 'puppet.xxx.xxx.xxx.it'

 node default {
 include 'screen'

 include 'sudo'
 }

 node 'lurtz.interno.regione.lazio.it' {
 include screen
 }


Yes, making different declarations in different node blocks is one way to 
approach the problem.  I think it's the easiest to understand and use, so 
by all means proceed that way until such time as it becomes too 
constraining (if it ever does).

Node blocks may appear directly in site.pp, or in one or more files 
'import'ed into site.pp.  This is one of very few appropriate use cases for 
the 'import' function; avoid using 'import' for any other purpose.  In 
particular, do not confuse it with the 'include' function.


John

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[Puppet Users] Re: puppet uninstall package

2013-04-09 Thread jcbollinger


On Monday, April 8, 2013 3:46:40 AM UTC-5, Francesco wrote:

 Hy I m a new user in world puppet
 I have installed a packge test on a node screen without problem
 Now i want to try to uninstall it but without success. This is the file 
 configuration
 this is my file init.pp
 package {screen-4.0.3-16.el6:
 ensure= absent
 }

 #package and purge its config files
 package {screen-4.0.3-16.el6:
 ensure = purged
 }

 this is the path of my manifest /etc/puppet/modules/screen/manifests
 this is the command that I execute to remove package screen
  puppet agent --server=puppet..I

 this is the answer

 Info: Retrieving plugin
 Info: Caching catalog for node.xx.xx.x
 Info: Applying configuration version '1365406267'
 Notice: Finished catalog run in 0.08 seconds
 Effectively screen is already installed

 Thank you in advance
 I m going mad



Puppet is not parsing your module's manifest.  It would fail with a parse 
error if it tried to do.

I think you have a misconception: installing or creating a module in your 
module path does not in itself cause any declarations in any of its 
manifests to be applied to client nodes.  At a typical site, there are 
multiple kinds of nodes that must be configured differently, sometimes 
including even special one-offs.  Puppet therefore has mechanisms for 
assigning specific resource declarations and collections of resource 
declarations to clients.  It assigns only those declarations.

Unless you configure it specially, the master starts with 
puppet-path/manifests/site.pp (not init.pp -- that's for modules).  
Declarations in that file apply to all nodes, and it is typical (at least 
when starting with Puppet) to use node declarations to tell Puppet which 
declarations to apply to each particular client.  For the time being, 
however you can define just a default node in which you declare the 
appropriate class from your 'screen' module:

node default {
  include 'screen'
}

Puppet determines where to look for the manifest containing class 'screen's 
definition based on the class name.  Class definitions are usually assumed 
to be in files classname.pp in directories corresponding to their module 
and any intermediate namespaces.  Classes that have the same name as the 
module in which they appear are special, however: they should be in files 
named init.pp in their module's manifests directory.  In your case that 
would be /etc/puppet/modules/screen/manifests/init.pp.  That file should 
contain this:

class screen {
  package { 'screen':
ensure = 'purged'
  }
}


Note that the version and release codes are NOT part of the package name, 
and if putting them in happens to work in any given context then that is a 
happenstance on which you should not rely and from which you should not 
draw any conclusions.  To ensure that a specific version/release of the 
package was installed, you would use the 'ensure' parameter: ensure = 
'4.0.3-16.el6'.  On the other hand, a lot of people don't care exactly 
which version (ensure = 'installed') or want the latest available version, 
whatever that happens to be (ensure = 'latest').

Note also that there can be only one declaration for package 'screen' for 
any given node.  Puppet does not allow multiple declarations for the same 
resource; this helps you ensure internal consistency of your manifests.


John

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[Puppet Users] Re: puppet uninstall package

2013-04-09 Thread Francesco
Now eureka I have uninstall screen with rpm and I have created the 
following 
I begun from screen installation again :)))
/etc/puppet/modules/screen/manifests/init.pp

class screen {

  package { 'screen':
ensure = 'present'
}
}

under this path I ve declared class

/etc/puppet/manifests/site.pp

John I hope to understand what you are trying to say to me

But where I can define which packet must have a node rather than another
Example where can i set if node 1 can have screen an node 2 can have vim 
but not screen and node 3 apache and not vim?? perhups in node.pp ??
Thank you in advance and to Andy too

#import 'nodes.pp'
$puppetserver = 'puppet.xxx.xxx.xxx.it'

node default {
include 'screen'

include 'sudo'
}

node 'lurtz.interno.regione.lazio.it' {
include screen
}




Il giorno lunedì 8 aprile 2013 10:46:40 UTC+2, Francesco ha scritto:

 Hy I m a new user in world puppet
 I have installed a packge test on a node screen without problem
 Now i want to try to uninstall it but without success. This is the file 
 configuration
 this is my file init.pp
 package {screen-4.0.3-16.el6:
 ensure= absent
 }

 #package and purge its config files
 package {screen-4.0.3-16.el6:
 ensure = purged
 }

 this is the path of my manifest /etc/puppet/modules/screen/manifests
 this is the command that I execute to remove package screen
  puppet agent --server=puppet..I

 this is the answer

 Info: Retrieving plugin
 Info: Caching catalog for node.xx.xx.x
 Info: Applying configuration version '1365406267'
 Notice: Finished catalog run in 0.08 seconds
 Effectively screen is already installed

 Thank you in advance
 I m going mad

 Cheers








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