fixed linting issue

CICD/heat/gc_HOT.yaml

@@ -166,7 +166,7 @@ resources:
         ssh_key: { get_param: ssh_key }
         security_groups: [ default, { get_resource: SSHMonashSecGroup }, { get_resource: SlurmSecGroup }, { get_resource: NFSSecGroup }, { get_resource: MySQLSecGroup } ]
         project_name: { get_param: project_name }
-  
+
   MgmtNodesU:
    type: "OS::Heat::ResourceGroup"
    properties:
@@ -178,7 +178,7 @@ resources:
         image: { get_param: ubuntu_1804_image_id }
         ansible_ssh_user: ubuntu
         mynodename:
-         list_join: [ '-', [ { get_param: "OS::stack_name" }, 'mgmt%index%' ]]
+         list_join: [ '-', [ { get_param: "OS::stack_name" }, 'mgmtU%index%' ]]
         ssh_key: { get_param: ssh_key }
         security_groups: [ default, { get_resource: SSHMonashSecGroup }, { get_resource: SlurmSecGroup }, { get_resource: NFSSecGroup }, { get_resource: MySQLSecGroup } ]
         project_name: { get_param: project_name }

CICD/heat/resource_registry.yaml

 resource_registry:
-  My::Server::MgmtNode: mgmtnode_HOT.yaml
\ No newline at end of file
+  My::Server::MgmtNode: mgmtnode_HOT.yaml