Add inet_protocol param. (#172)

manifests/files.pp

@@ -3,6 +3,7 @@ class postfix::files {
 
   $alias_maps          = $postfix::all_alias_maps
   $inet_interfaces     = $postfix::inet_interfaces
+  $inet_protocols      = $postfix::inet_protocols
   $mail_user           = $postfix::mail_user
   $manage_conffiles    = $postfix::manage_conffiles
   $maincf_source       = $postfix::maincf_source
@@ -84,6 +85,7 @@ class postfix::files {
   ::postfix::config {
     'alias_maps':       value => $alias_maps;
     'inet_interfaces':  value => $inet_interfaces;
+    'inet_protocols':   value => $inet_protocols;
     'myorigin':         value => $myorigin;
   }
 

manifests/init.pp

@@ -10,6 +10,8 @@
 #
 # [*inet_interfaces*]     - (string)
 #
+# [*inet_protocols*]      - (string)
+#
 # [*ldap*]                - (boolean) Whether to use LDAP
 #
 # [*ldap_base*]           - (string)
@@ -74,6 +76,7 @@
 class postfix (
   String                          $alias_maps          = 'hash:/etc/aliases',
   String                          $inet_interfaces     = 'all',
+  String                          $inet_protocols      = 'all',
   Boolean                         $ldap                = false,
   Optional[String]                $ldap_base           = undef,
   Optional[String]                $ldap_host           = undef,

spec/classes/postfix_spec.rb

@@ -18,6 +18,7 @@ describe 'postfix' do
         it { is_expected.to contain_postfix__config('myorigin').with_value('foo.example.com') }
         it { is_expected.to contain_postfix__config('alias_maps').with_value('hash:/etc/aliases') }
         it { is_expected.to contain_postfix__config('inet_interfaces').with_value('all') }
+        it { is_expected.to contain_postfix__config('inet_protocols').with_value('all') }
         it { is_expected.to contain_mailalias('root').with_recipient('nobody') }
 
         case facts[:osfamily]