postfix - allow us to set mail user for services

manifests/classes/postfix.pp

@@ -52,6 +52,9 @@ class postfix {
   case $postfix_use_sympa {
     "": { $postfix_use_sympa = "no" }
   }
+  case $postfix_mail_user {
+    "": { $postfix_mail_user = "vmail" }
+  }
 
 
   package { "postfix":

templates/master.cf.common.erb

@@ -19,7 +19,7 @@ amavis unix - - - - 2 smtp
 <% end -%>
 <% if has_variable?("postfix_use_dovecot_lda") and postfix_use_dovecot_lda == 'yes' %>
 dovecot   unix  -       n       n       -       -       pipe
-  flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d ${recipient}
+  flags=DRhu user=<%= postfix_mail_user %>:<%= postfix_mail_user %> argv=/usr/lib/dovecot/deliver -d ${recipient}
 <% end -%>
 <% if has_variable?("postfix_use_schleuder") and postfix_use_schleuder == 'yes' %>
 schleuder  unix  -       n       n       -       -       pipe

templates/master.cf.debian.erb

@@ -68,7 +68,7 @@ scache	  unix	-	-	-	-	1	scache
 # Also specify in main.cf: maildrop_destination_recipient_limit=1
 #
 maildrop  unix  -       n       n       -       -       pipe
-  flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
+  flags=DRhu user=<%= postfix_mail_user %> argv=/usr/bin/maildrop -d ${recipient}
 #
 # See the Postfix UUCP_README file for configuration details.
 #