Merge pull request #179 from Mirantis/bind9

add bind9 backend
diff --git a/designate/server/backend/bind9.yml b/designate/server/backend/bind9.yml
new file mode 100644
index 0000000..fa15ae1
--- /dev/null
+++ b/designate/server/backend/bind9.yml
@@ -0,0 +1,7 @@
+parameters:
+  designate:
+    server:
+      backend:
+        bind9:
+          rndc_key: ${_param:designate_bind9_rndc_key}
+
diff --git a/designate/server/single.yml b/designate/server/single.yml
index 8805d53..bef6e4d 100644
--- a/designate/server/single.yml
+++ b/designate/server/single.yml
@@ -34,4 +34,4 @@
         port: 5672
         user: openstack
         password: ${_param:rabbitmq_openstack_password}
-        virtual_host: '/openstack'
\ No newline at end of file
+        virtual_host: '/openstack'