# This module is distributed under the GNU Affero General Public License:
# 
# Exim module for puppet
# Copyright (C) 2009 Sarava Group
# 
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
# 
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

class exim(
  $eximconfig_configtype = 'internet',
  $other_hostnames       = $::fqdn,
  $local_interfaces      = '127.0.0.1',
  $readhost              = '',
  $relay_domains         = '',
  $minimaldns            = 'false',
  $relay_nets            = '',
  $smarthost             = '',
  $cfilemode             = '644',
  $use_split_config      = 'true',
  $hide_mailname         = '',
  $mailname_in_oh        = 'true',
  $localdelivery         = 'mail_spool',
  $root_mail_recipient   = 'root',
  $aliases               = 'template',
) {
  package { "exim4":
    ensure => present,
  }

  service { "exim4":
    ensure  => running,
    require => Package["exim4"],
  }

  file { "/etc/aliases":
    source => $aliases ? {
      'source' => [ "puppet:///modules/site_mail/${::domain}/aliases",
                    "puppet:///modules/site_mail/${::hostname}/aliases",
                    "puppet:///modules/site_mail/aliases",
                    "puppet:///modules/mail/aliases",
                    "puppet:///modules/exim/aliases" ],
      default => undef,
    },
    content => $aliases ? {
      'template' => template('exim/aliases.erb'),
      default    => undef,
    },
    owner  => "root",
    group  => "root",
    mode   => '0644',
    ensure => present,
  }

  file { "/etc/exim4/update-exim4.conf.conf": 
    owner   => "root",
    group   => "root",
    mode    => '0644',
    ensure  => present,
    content => template('exim/update-exim4.conf.conf.erb'),
  }

  file { "/etc/mailname":
    owner   => "root",
    group   => "root",
    mode    => '0644',
    ensure  => present,
    content => "$fqdn\n",
  }

  # Rebuild alias database
  exec { "newaliases":
    path        => ["/usr/bin", "/usr/sbin"],
    subscribe   => File["/etc/aliases"],
    refreshonly => true,
    require     => Service["exim4"],
  }

  # Rebuild exim config
  exec { "update-exim4.conf":
    command     => "/usr/sbin/update-exim4.conf",
    returns     => "0",
    subscribe   => File["/etc/exim4/update-exim4.conf.conf", "/etc/mailname"],
    refreshonly => true,
    notify      => Service["exim4"],
  }
}