diff --git a/classes/cluster/os-ha-ovs/.env b/classes/cluster/os-ha-ovs/.env
new file mode 100644
index 0000000..fdfff18
--- /dev/null
+++ b/classes/cluster/os-ha-ovs/.env
@@ -0,0 +1 @@
+EXTRA_FORMULAS="ntp sphinx nginx memcached horizon"