<!--- 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 -->

['iscsi', 'fcp']) else None,
                        logical_units=[
                            otypes.LogicalUnit(
                                id=lunMapping['source_logical_unit_id'],
                            )
                        ],
                    ),
                ) if lunMapping['source_logical_unit_id'] else None,
                to=otypes.Disk(
                    lun_storage=otypes.HostStorage(
                        type=otypes.StorageType(lunMapping['dest_storage_type'])
                        if (lunMapping['dest_storage_type'] in
                            ['iscsi', 'fcp']) else None,
                        logical_units=[
                            otypes.LogicalUnit(
                                id=lunMapping['dest_logical_unit_id'],
                                port=lunMapping['dest_logical_unit_port'],
                                portal=lunMapping['dest_logical_unit_portal'],
                                address=lunMapping['dest_logical_unit_address'],
                                target=lunMapping['dest_logical_unit_target'],
                                password=lunMapping['dest_logical_unit_password'],
                                username=lunMapping['dest_logical_unit_username'],
                            )
                        ],
                    ),
                ) if lunMapping['dest_logical_unit_id'] else None,
            ),
        ),
    return lunMappings
def _get_cluster_mappings(module):