linux:
     network:
       interface:
-        single:  ${_param:linux_single_interface}
+        single: ${_param:linux_single_interface}
   opendaylight:
     server:
       odl_bind_ip: ${_param:single_address}
 
   - cluster.baremetal-mcp-ocata-odl-ha
 parameters:
   _param:
-      dhcp_nic: eth0
-      single_nic: eth1
+    dhcp_nic: eth0
+    single_nic: eth1
   linux:
     network:
       interface:
 
   - cluster.baremetal-mcp-ocata-ovs-dpdk-ha
 parameters:
   _param:
-      dhcp_nic: eth0
-      single_nic: eth1
+    dhcp_nic: eth0
+    single_nic: eth1
   linux:
     network:
       interface:
 
     cluster_node03_hostname: ctl03
     cluster_node03_address: ${_param:openstack_control_node03_address}
     nova_vncproxy_url: https://${_param:cluster_public_host}:6080
-    mgmt_nic:  ${_param:openstack_primary_nic}
+    mgmt_nic: ${_param:openstack_primary_nic}
     external_nic: ${_param:openstack_tertiary_nic}
     interface_mtu: 1500
     keepalived_vip_interface: br-ctl
 
   - cluster.baremetal-mcp-ocata-ovs-ha
 parameters:
   _param:
-      dhcp_nic: eth0
-      single_nic: eth1
+    dhcp_nic: eth0
+    single_nic: eth1
   linux:
     network:
       interface: