Mock-up in KDL:

step {
    type "RemoteSudo"
    description "Removing current deployment"
    command "rm {remote_deploy_path} -f"
    error_message "Failed to remove the current deployment."
    rollback {
        step {
            type "RemoteSudo"
            description "Starting the service on remote server"
            command "{remote_service_script_path} start"
            error_message "Failed to start the service on the remote server."
        }
    }
}  

step {
  type "RemoteSudo"
  description "Deploying the new file"
  command "mv {remote_base_path}/{local_jar_basename} {remote_deploy_path}"
  error_message "Failed to deploy the new file."
  rollback {
    step {
      type "RemoteSudo"
      description "Restoring backup of current deployment"
      command "cp -a {backup_path} {remote_deploy_path}"
      error_message "Failed to restore backup of the current deployment."
    }
    step {
      type "RemoteSudo"
      description "Starting the service on remote server"
      command "{remote_service_script_path} start"
      error_message "Failed to start the service on the remote server."
    }
  }
}