<!--- Verify first that your feature was not already discussed on GitHub -->
<!--- Complete *all* sections as described, this form is processed automatically -->

##### SUMMARY
<!--- Describe the new feature/improvement briefly below -->
Add 'restart' state or restart option to the `ovirt_vm` module.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
ovirt_vm

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->

<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

<!--- HINT: You can also paste gist.github.com links for larger files -->

elif state == 'exported':
            if module.params['export_domain']:
                export_service = vms_module._get_export_domain_service()
                export_vm = search_by_attributes(export_service.vms_service(), id=vm.id)
                ret = vms_module.action(
                    entity=vm,
                    action='export',
                    action_condition=lambda t: export_vm is None or module.params['exclusive'],
                    wait_condition=lambda t: t is not None,
                    post_action=vms_module.post_export_action,
                    storage_domain=otypes.StorageDomain(id=export_service.get().id),
                    exclusive=module.params['exclusive'],
                )
            elif module.params['export_ova']:
                export_vm = module.params['export_ova']
                ret = vms_module.action(
                    entity=vm,
                    action='export_to_path_on_host',
                    host=otypes.Host(name=export_vm.get('host')),
                    directory=export_vm.get('directory'),
                    filename=export_vm.get('filename'),
                )
        module.exit_json(**ret)
    except Exception as e:
        module.fail_json(msg=str(e), exception=traceback.format_exc())
    finally:
        connection.close(logout=auth.get('token') is None)
if __name__ == "__main__":
    main()