the main class

init.pp

class qmail {

  $domain            = hiera('domain')
  $basedn            = hiera('basedn')
  $deepofix_password = hiera('deepofix_password')
  $cluster           = hiera('mail_cluster')
  $concurrency       = hiera('smtpd_concurrency')  
  $maxrcpt           = hiera('maxrcpt')
  $qmail_queue       = hiera('qmail_queue')
  $smtp_port         = hiera('smtp_port')
  $soft_limit        = hiera('soft_limit')
  $softlimit         = $soft_limit * 1048576

  if ($cluster == 'yes') {
    $host_array        = hiera_array('cluster_hosts')
  }   
 
  file {'control-dir':
    ensure    => directory,
    path      => '/var/qmail/control',
    mode      => '0644',
    owner     => 'root',
    group     => 'qmail',
    recurse   => true,
    source    => 'puppet:///modules/qmail/control'
    }


  file {'/var/qmail/control/defaultdomain':
    ensure  => present,
    mode    => '0644',
    owner   => 'root',
    group   => 'qmail',
    content => template('qmail/defaultdomain.erb')
    }

  file {'/var/qmail/control/ldapbasedn':
    ensure  => present,
    mode    => '0644',
    owner   => 'root',
    group   => 'qmail',
    content => template('qmail/ldapbasedn.erb')
    }

  file {'/var/qmail/control/ldaplogin':
    ensure  => present,
    mode    => '0644',
    owner   => 'root',
    group   => 'qmail',
    content => template('qmail/ldaplogin.erb')
    }

  file {'/var/qmail/control/ldapmailhost':
    ensure  => present,
    mode    => '0644',
    owner   => 'root',
    group   => 'qmail',
    content => template('qmail/ldapmailhost.erb')
    }

  file {'/var/qmail/control/locals':
    ensure  => present,
    mode    => '0644',
    owner   => 'root',
    group   => 'qmail',
    content => template('qmail/locals.erb')
    }

  file {'/var/qmail/control/me':
    ensure  => present,
    mode    => '0644',
    owner   => 'root',
    group   => 'qmail',
    content => template('qmail/me.erb')
    }

  file {'/var/qmail/control/rcpthosts':
    ensure  => present,
    mode    => '0644',
    owner   => 'root',
    group   => 'qmail',
    content => template('qmail/rcpthosts.erb')
    }

  file {'/etc/sv/qmail-smtpd/env':
    ensure => directory
    }

   file {'/etc/sv/qmail-smtpd/env/CONCURRENCY':
      ensure  => present,
      mode    => '0644',
      owner   => 'root',
      group   => 'qmail',
      content => inline_template("<%= concurrency %>")
      }

   file {'/etc/sv/qmail-smtpd/env/MAXRCPTCOUNT':
      ensure  => present,
      mode    => '0644',
      owner   => 'root',
      group   => 'qmail',
      content => inline_template("<%= maxrcpt %>")
      }

  file {'/etc/sv/qmail-smtpd/env/SMTPPORT':
      ensure  => present,
      mode    => '0644',
      owner   => 'root',
      group   => 'qmail',
      content => inline_template("<%= smtp_port %>")
      }

  file {'/etc/sv/qmail-smtpd/env/SOFTLIMIT':
      ensure  => present,
      mode    => '0644',
      owner   => 'root',
      group   => 'qmail',
      content => inline_template("<%= softlimit %>")
      }

  file {'/etc/sv/qmail-smtpd/env/RCPTCHECK':
      ensure  => present,
      mode    => '0644',
      owner   => 'root',
      group   => 'qmail',
      content => 'checked'
      }

  file {'/etc/sv/qmail-smtpd/env/SENDERCHECK':
      ensure  => present,
      mode    => '0644',
      owner   => 'root',
      group   => 'qmail',
      content => 'checked'
      }

  file {'/etc/sv/qmail-smtpd/env/SMTPAUTH':
      ensure  => present,
      mode    => '0644',
      owner   => 'root',
      group   => 'qmail',
      content => 'checked'
      }
   if ($qmail_queue == 'default') {
     file {'/etc/sv/qmail-smtpd/env/QMAILQUEUE':
       ensure  => absent,
       }
     }
   else {
     file {'/etc/sv/qmail-smtpd/env/QMAILQUEUE':
       ensure  => present,
       mode    => '0644',
       owner   => 'root',
       group   => 'qmail',
       content => inline_template("<%= qmail_queue %>")
      }
   } 

  if ( $cluster == 'yes' ) {
    file {'/var/qmail/control/ldapcluster':
      ensure  => present,
      mode    => '0644',
      owner   => 'root',
      group   => 'qmail',
      content => "1"
      }

    file {'/var/qmail/control/host':
      ensure  => present,
      mode    => '0644',
      owner   => 'root',
      group   => 'qmail',
      content => template('qmail/host.erb')
      }
    
    file {'/var/log/qmail/qmqpd':
      ensure => 'directory',
      owner  => 'qmaill'
    }
   
    common::sv { 'qmail-qmqpd':
      name    => 'qmail-qmqpd',
      namemod => 'qmail-qmqpd'
      }   

    common::srv {'qmail-qmqpd':
      name      => 'qmail-qmqpd',
      require   => [Common::Sv['qmail-qmqpd']],
      subscribe => File['/var/qmail/control']
      }    
    
    
    }

   else {
     file {'/var/qmail/control/host':
       ensure => absent
       }

      file {'/var/qmail/control/ldapcluster':
        ensure =>absent
        }  
     }

  $peer_ret = peer_generator('peers')

  if ($peer_ret == 'success') {
    file {'/etc/sv/qmail-smtpd/peers':
      ensure => 'directory',
      owner  => 'qmaill'
      }
    }

  common::sv { 'qmail-smtpd':
    name    => 'qmail-smtpd',
    namemod => 'qmail'
    }   

  common::srv {'qmail-smtpd':
    name      => 'qmail-smtpd',
    require   => [Common::Sv['qmail-smtpd']],
    subscribe => File['/var/qmail/control']
    }    

} 

peer_generator.rb

Puppet::Parser::Functions.newfunction(:peer_generator, :type => :rvalue) do |args|
  raise Puppet::Error, "peer_generator requires 1 argument; got #{args.length}" if args.length != 1
  peer_ips = function_hiera_array(args[0])
  peer_ips.each do |peers|
    #str = "+RELAYCLIENT="
    #File.open("/etc/sv/qmail-smtpd/peers/#{peers}", 'w') {|fd| fd.puts str}
    @rtype = qmail::peer_instances
    @rname = peers
    myresource = { 
          @rname => {
                      name => "@rname"
          }   
        }   
    function_create_resources(@rtype,myresource)
  end 
   return "success"
end

peer_instances.pp

define qmail::peer_instances ($name) {

  file {"/etc/sv/qmail-smtpd/peers/$name":
    ensure  => present,
    owner   => 'qmaill',
    content => "+RELAYCLIENT="
    }
}