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+/*
+== Definition: postfix::hash
+
+Creates postfix hashed "map" files. It will create "${name}", and then build
+"${name}.db" using the "postmap" command. The map file can then be referred to
+using postfix::config.
+
+Parameters:
+- *name*: the name of the map file.
+- *ensure*: present/absent, defaults to present.
+- *source*: file source.
+
+Requires:
+- Class["postfix"]
+
+Example usage:
+
+ node "toto.example.com" {
+
+ include postfix
+
+ postfix::hash { "/etc/postfix/virtual":
+ ensure => present,
+ }
+ postfix::config { "virtual_alias_maps":
+ value => "hash:/etc/postfix/virtual"
+ }
+ }
+
+*/
+define postfix::hash ($ensure="present", $source = false) {
+
+ # selinux labels differ from one distribution to another
+ case $operatingsystem {
+
+ RedHat, CentOS: {
+ case $lsbmajdistrelease {
+ "4": { $postfix_seltype = "etc_t" }
+ "5": { $postfix_seltype = "postfix_etc_t" }
+ default: { $postfix_seltype = undef }
+ }
+ }
+
+ default: {
+ $postfix_seltype = undef
+ }
+ }
+
+ case $source {
+ false: {
+ file {"${name}":
+ ensure => $ensure,
+ mode => 600,
+ owner => root,
+ group => root,
+ seltype => $postfix_seltype,
+ require => Package["postfix"],
+ }
+ }
+ default: {
+ file {"${name}":
+ ensure => $ensure,
+ mode => 600,
+ owner => root,
+ group => root,
+ source => $source,
+ seltype => $postfix_seltype,
+ require => Package["postfix"],
+ }
+ }
+ }
+
+ file {"${name}.db":
+ ensure => $ensure,
+ mode => 600,
+ require => [File["${name}"], Exec["generate ${name}.db"]],
+ seltype => $postfix_seltype,
+ }
+
+ exec {"generate ${name}.db":
+ command => "postmap ${name}",
+ #creates => "${name}.db", # this prevents postmap from being run !
+ subscribe => File["${name}"],
+ refreshonly => true,
+ require => Package["postfix"],
+ }
+}