transport.pp 1.86 KB
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#== Definition: postfix::transport
#
#Manages content of the /etc/postfix/transport map.
#
#Parameters:
#- *name*: name of address postfix will lookup. See transport(5).
#- *destination*: where the emails will be delivered to. See transport(5).
#- *ensure*: present/absent, defaults to present.
#
#Requires:
#- Class["postfix"]
#- Postfix::Hash["/etc/postfix/transport"]
#- Postfix::Config["transport_maps"]
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#- augeas
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#
#Example usage:
#
#  node "toto.example.com" {
#
#    include postfix
#
#    postfix::hash { "/etc/postfix/transport":
#      ensure => present,
#    }
#    postfix::config { "transport_maps":
#      value => "hash:/etc/postfix/transport"
#    }
#    postfix::transport { "mailman.example.com":
#      ensure      => present,
#      destination => "mailman",
#    }
#  }
#
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define postfix::transport (
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  $destination='',
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  $nexthop='',
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  $file='/etc/postfix/transport',
  $ensure='present'
) {
  include postfix::augeas

  case $ensure {
    'present': {
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      if ($destination) {
        $change_destination = "set pattern[. = '${name}']/transport '${destination}'"
      } else {
        $change_destination = "clear pattern[. = '${name}']/transport"
      }

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      if ($nexthop) {
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        $change_nexthop = "set pattern[. = '${name}']/nexthop '${nexthop}'"
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      } else {
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        $change_nexthop = "clear pattern[. = '${name}']/nexthop"
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      }
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      $changes = [
        "set pattern[. = '${name}'] '${name}'",
        $change_destination,
        $change_nexthop,
      ]
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    }

    'absent': {
      $changes = "rm pattern[. = '${name}']"
    }

    default: {
      fail("Wrong ensure value: ${ensure}")
    }
  }

  augeas {"Postfix transport - ${name}":
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    lens    => 'Postfix_Transport.lns',
    incl    => $file,
    changes => $changes,
    require => [Package['postfix'], Augeas::Lens['postfix_transport']],
    notify  => Exec['generate /etc/postfix/transport.db'],
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  }
}