nodes.pp

node 'wiki' {

        class { 'linux': }
        class { 'mediawiki': }
        $wikisitename = 'wiki'
        $wikiserver = 'http://172.31.0.202'
        $wikidbserver = 'localhost'
        $wikidbname = 'my_wiki'
        $wikidbuser = 'root'
        $wikidbpassword = 'training'
        $wikiupgradekey = 'puppet'
}

node 'wikitest' {

        class { 'linux': }
        class { 'mediawiki': }
}
  $admintools = ['git', 'lynx', 'screen', 'dos2unix', 'asciidoc']

  package { $admintools:
    ensure  => 'installed',
  }
class linux {

  $ntpservice = $osfamily ? {
    'redhat'  => 'ntpd',
    'debian'  => 'ntp',
    default   => 'ntp',
  }


  file { '/info.txt':
    ensure  => 'present',
    content => inline_template("Created by Puppet at <%= Time.now %>\n"),
  }

  package {'ntp':
    ensure  => 'installed',
  }

  service { $ntpservice:
    ensure  => 'running',
    enable  => true,
    }
}