Add metadata for X.509 auth between Ceilometer and RMQ

Related-Prod: PROD-22756

Change-Id: Ifa70f9d5d675783d50e053b03a54900353fb13fb
diff --git a/ceilometer/server/telemetry/single.yml b/ceilometer/server/telemetry/single.yml
index fbe7ac7..9ff35d1 100644
--- a/ceilometer/server/telemetry/single.yml
+++ b/ceilometer/server/telemetry/single.yml
@@ -1,12 +1,22 @@
 classes:
 - service.ceilometer.server.single.common
+- system.salt.minion.cert.rabbitmq.clients.openstack.ceilometer
 parameters:
   _param:
     openstack_rabbitmq_port: 5672
+    openstack_rabbitmq_x509_enabled: False
+    rabbitmq_ssl_enabled: False
   ceilometer:
     server:
+      role: ${_param:openstack_node_role}
       message_queue:
         port: ${_param:openstack_rabbitmq_port}
-      role: ${_param:openstack_node_role}
+        x509:
+          enabled: ${_param:openstack_rabbitmq_x509_enabled}
+          ca_file: ${_param:rabbitmq_ceilometer_ssl_ca_file}
+          key_file: ${_param:rabbitmq_ceilometer_client_ssl_key_file}
+          cert_file: ${_param:rabbitmq_ceilometer_client_ssl_cert_file}
+        ssl:
+          enabled: ${_param:rabbitmq_ssl_enabled}
       identity:
         protocol: ${_param:internal_protocol}