# This module is distributed under the GNU Affero General Public License:
# 
# Syslog-ng 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 syslog-ng(
  $log_kernel_msgs = hiera('syslog-ng::log_kernel_msgs', true),
  $ensure          = 'present'
) {
  # see https://bugs.launchpad.net/ubuntu/+source/syslog-ng/+bug/1242173
  package { 'syslog-ng-core':
    ensure => $ensure,
  }

  package { 'syslog-ng':
    ensure  => $ensure,
    require => Package['syslog-ng-core'],
  }

  # syslog-ng service
  service { "syslog-ng":
    enable => $ensure ? {
      'present' => true,
      default   => false,
    },
    ensure     => $ensure ? {
      'present' => running,
      default   => stopped,
    },
    hasrestart => true,
    hasstatus  => false,
    # Somehow syslog-ng is not returning if it was killed due to lack of
    # memory or other issue. A simple start is not enough and we need to
    # ensure it's properly stopped first.
    restart    => '/etc/init.d/syslog-ng stop; /etc/init.d/syslog-ng start',
    pattern    => '/usr/sbin/syslog-ng',
    require    => File["/etc/syslog-ng/syslog-ng.conf"],
  }

  # config file
  file { "/etc/syslog-ng/syslog-ng.conf":
    content => template("syslog-ng/syslog-ng.conf_${lsbdistcodename}.erb"),
    owner   => "root",
    group   => "root",
    mode    => 0644,
    ensure  => $ensure,
    notify  => Service["syslog-ng"],
    require => File["/etc/syslog-ng"],
  }

  # config folder
  file { "/etc/syslog-ng":
    ensure  => $ensure ? {
      'present' => directory,
      default   => absent,
    },
    force => $ensure ? {
      'present' => undef,
      default   => true,
    },
    owner   => "root",
    group   => "root",
    require => Package["syslog-ng"],
  }
}