[Puppet Users] a little help with definitions in nodes

[denmat]

Hi List,

I have two questions.

Firstly I want to be able to ensure a default package is installed
across all hosts unless I specifically require them to be absent.

To do this I have created a module(httpd) and class(php_mod) and
definition(php_mod_add) which I want to declare at the default node or
individual node level.

node mel_default_preview inherits mel_default_web {
  class { httpd: version => "2.2.3-43.el5.centos.3" }
  class { php: version => "5.2.9-2" }
  include dev_httpd::php_dev_httpd
  include php_mod
   php_mod::php_mod_add {
     "php-pgsql":
       ensure => present,
       type  => "rpm";
     "channel://pear.php.net/OLE-1.0.0RC1":
       ensure => present,
       type   => "pear";
     "channel://pear.php.net/Spreadsheet_Excel_Writer-0.9.2":
       ensure => present,
       type   => "pear";
   }
}

node au-mel-preview-1 inherits mel_default_preview {
  php_mod::php_mod_add {
    "php-pgsql":
       ensure => absent,
       type  => "rpm";
  }
}

When I do this it obviously complains about being defined twice - how
do I get around that?

Here is the define I'm using:
  define php_mod_add ($ensure = absent, $type = "rpm") {

    # Get the module name from the name variable.
    $mod = $name

    if ($type == "rpm") {
      case $ensure {
        present: {
          notice("$mod present")
          package { $mod: ensure => installed }
        }
        absent:  {
          notice("$mod absent")
          package { $mod: ensure => absent }
        }
       }
    }

Also in the node definition, how do I make sure that
     "channel://pear.php.net/OLE-1.0.0RC1":
runs before
     "channel://pear.php.net/Spreadsheet_Excel_Writer-0.9.2"?

Could I do that in a require or something? I'm running 2.6.1-5.

Thanks,
DenMat

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