Add designate::dns class

This class is aim to configure designate settings in dns service.
Currently has been tested in bind.

manifests/dns.pp

@@ -0,0 +1,29 @@
+# Configure dns for designate service
+
+class dns::designate (
+  $designatepath  = $designate::params::designatepath,
+  $designatefile  = $designate::params::designatefile,
+){
+
+  include dns::params
+  file { $designatepath:
+    ensure  => directory,
+    owner   => 'named',
+    group   => $dns::params::group,
+    mode    => '0770',
+  }
+
+  exec { 'create-designatefile':
+    command => "/bin/touch ${designatefile}",
+    creates => $designatefile,
+    require => File[$designatepath],
+  }
+
+  file { $designatefile:
+    owner   => 'named',
+    group   => $dns::params::group,
+    mode    => '0660',
+    require => Exec['create-designatefile'],
+  }
+
+}

manifests/params.pp

@@ -10,7 +10,7 @@ class designate::params {
 
   case $::osfamily {
     'RedHat': {
-       #package name
+       # package name
        $common_package_name   = 'openstack-designate'
        $api_package_name      = 'openstack-designate-api'
        $central_package_name  = 'openstack-designate-central'
@@ -21,6 +21,9 @@ class designate::params {
        $api_service_name     = 'openstack-designate-api'
        $central_service_name = 'openstack-designate-central'
        $sink_service_name    = 'openstack-designate-sink'
+       # bind path
+       $designatepath        = "/var/named/data/bind9"
+       $designatefile        = "/var/named/data/bind9/zones.config"
     }
   }
 }