Make it possible to inject custom config files to be included in custom order for Dovecot v2.x.

Maybe this can replace the 99-local.conf in near future?

dovecot/files/passdb-pam.conf

@@ -0,0 +1,10 @@
+# PAM authentication. Preferred nowadays by most systems.
+# PAM is typically used with either userdb passwd or userdb static.
+# REMEMBER: You'll need /etc/pam.d/dovecot file created for PAM
+# authentication to actually work. <doc/wiki/PasswordDatabase.PAM.txt>
+passdb {
+  driver = pam
+  # [session=yes] [setcred=yes] [failure_show_msg=yes] [max_requests=<n>]
+  # [cache_key=<key>] [<service name>]
+  args = session=yes  # To trigger pam_mkhomedir
+}

dovecot/manifests/dovecot2.pp

@@ -1,4 +1,39 @@
 
+# Install custom config to Dovecot
+#
+# === Parameters
+#
+#   $name:
+#       Config name.
+#
+#   $idx:
+#       Config load order. Defaults to 99.
+#
+# === Sample usage
+#
+# ldap::server::schema { "passdb-pam": idx => 09 }
+#
+define dovecot::server::config($idx = 90) {
+
+    include dovecot::server::v2
+
+    file { "${name}.conf":
+        ensure  => present,
+        path    => "/etc/dovecot/conf.d/${idx}-${name}.conf",
+        source  => [ "puppet:///files/dovecot/${name}.conf",
+                     "puppet:///modules/dovecot/${name}.conf", ],
+        mode    => "0644",
+        owner   => "root",
+        group   => $::operatingsystem ? {
+            "openbsd" => "wheel",
+            default   => "root",
+        },
+        notify  => Service["dovecot"],
+        require => Package["dovecot"],
+    }
+}
+
+
 class dovecot::server::v2 {
     case $operatingsystem {
         centos,fedora: {