gistfile1.rb

node /^cloud\d+\.prod\.mydomain\.net$/ {
  include portal 
}

node /^cloud\d+\.dev\.mydomain\.net$/ {
  include portal 
  include random-dev-stuff
}

class portal {
  include pyodbc
  include pdf
  include mongodb
  include memcached-portal
  include nginx-portal
  include tornado

  package { "python-setuptools":
    ensure => installed
  }

  package { "python-django":
    ensure => installed
  } 
  
  package { "python-memcache":
    ensure => installed
  } 

  package { "fabric":
    ensure => installed
  } 
 
  file { "/etc/sudoers.d/appuser":
    owner  => root, group => root, mode => 440,
    source => "puppet://puppet.mydomain.net/files/portal/etc/sudoers.d/appuser"
  }

  file { "/home/appuser/deployed": 
    ensure => directory,
    owner  => so1web, group => so1web, mode => 755,
  } 
 
}

class random-dev-stuff {
  ...
}