Add nova metadata for memcache security strategy

Change-Id: I7d093034b640dc9505acae977fbd7b54bd914934
Related-Prod: PROD-22099
diff --git a/nova/compute/cluster.yml b/nova/compute/cluster.yml
index 3a1314d..92871c0 100644
--- a/nova/compute/cluster.yml
+++ b/nova/compute/cluster.yml
@@ -37,6 +37,8 @@
       SG9MrLHCd5l60aCUQg0UA5ed7Hd6SA314k+HwxJno9/wJ+voBeacMg==
       -----END RSA PRIVATE KEY-----
     cluster_internal_protocol: 'http'
+    nova_memcache_security_enabled: ${_param:openstack_memcache_security_enabled}
+    nova_memcache_secret_key: ''
   openssh:
     client:
       enabled: True
@@ -111,3 +113,8 @@
       libvirt:
         migration_inbound_addr: ${_param:single_address}
       my_ip: ${_param:single_address}
+      cache:
+        security:
+          enabled: ${_param:nova_memcache_security_enabled}
+          strategy: ${_param:openstack_memcache_security_strategy}
+          secret_key: ${_param:nova_memcache_secret_key}