diff --git a/metadata/service/compute/ovn/single.yml b/metadata/service/compute/ovn/single.yml
index c62fbc1..4697876 100644
--- a/metadata/service/compute/ovn/single.yml
+++ b/metadata/service/compute/ovn/single.yml
@@ -7,6 +7,7 @@
     ovn_external_bridge: br-floating
     openstack_log_appender: false
     openstack_fluentd_handler_enabled: false
+    openstack_ossyslog_handler_enabled: false
   neutron:
     compute:
       enabled: true
@@ -24,3 +25,5 @@
             enabled: true
           fluentd:
             enabled: ${_param:openstack_fluentd_handler_enabled}
+          ossyslog:
+            enabled: ${_param:openstack_ossyslog_handler_enabled}
diff --git a/metadata/service/compute/single.yml b/metadata/service/compute/single.yml
index 1884bbd..2c6f177 100644
--- a/metadata/service/compute/single.yml
+++ b/metadata/service/compute/single.yml
@@ -6,6 +6,7 @@
   _param:
     openstack_log_appender: false
     openstack_fluentd_handler_enabled: false
+    openstack_ossyslog_handler_enabled: false
   neutron:
     compute:
       enabled: true
@@ -39,3 +40,5 @@
             enabled: true
           fluentd:
             enabled: ${_param:openstack_fluentd_handler_enabled}
+          ossyslog:
+            enabled: ${_param:openstack_ossyslog_handler_enabled}
diff --git a/metadata/service/control/cluster.yml b/metadata/service/control/cluster.yml
index 844d590..7f024c1 100644
--- a/metadata/service/control/cluster.yml
+++ b/metadata/service/control/cluster.yml
@@ -7,6 +7,7 @@
     keystone_neutron_endpoint_type: internal
     openstack_log_appender: false
     openstack_fluentd_handler_enabled: false
+    openstack_ossyslog_handler_enabled: false
   neutron:
     server:
       enabled: true
@@ -40,6 +41,8 @@
             enabled: true
           fluentd:
             enabled: ${_param:openstack_fluentd_handler_enabled}
+          ossyslog:
+            enabled: ${_param:openstack_ossyslog_handler_enabled}
       message_queue:
         engine: rabbitmq
         host: ${_param:cluster_vip_address}
diff --git a/metadata/service/control/single.yml b/metadata/service/control/single.yml
index 91fd911..d0ee1c5 100644
--- a/metadata/service/control/single.yml
+++ b/metadata/service/control/single.yml
@@ -7,6 +7,7 @@
     keystone_neutron_endpoint_type: internal
     openstack_log_appender: false
     openstack_fluentd_handler_enabled: false
+    openstack_ossyslog_handler_enabled: false
   neutron:
     server:
       enabled: true
@@ -44,6 +45,8 @@
             enabled: true
           fluentd:
             enabled: ${_param:openstack_fluentd_handler_enabled}
+          ossyslog:
+            enabled: ${_param:openstack_ossyslog_handler_enabled}
       message_queue:
         engine: rabbitmq
         host: ${_param:single_address}
diff --git a/metadata/service/gateway/single.yml b/metadata/service/gateway/single.yml
index 860e18a..2649449 100644
--- a/metadata/service/gateway/single.yml
+++ b/metadata/service/gateway/single.yml
@@ -6,6 +6,7 @@
   _param:
     openstack_log_appender: false
     openstack_fluentd_handler_enabled: false
+    openstack_ossyslog_handler_enabled: false
   neutron:
     gateway:
       enabled: true
@@ -39,3 +40,5 @@
             enabled: true
           fluentd:
             enabled: ${_param:openstack_fluentd_handler_enabled}
+          ossyslog:
+            enabled: ${_param:openstack_ossyslog_handler_enabled}