ovirt_vms: Fix the module to work with check mode (#37916)

Fixes: https://github.com/ansible/ansible/issues/36712

lib/ansible/module_utils/ovirt.py

@@ -581,6 +581,7 @@ class BaseModule(object):
                 self.post_create(entity)
             self.changed = True
 
+        if not self._module.check_mode:
             # Wait for the entity to be created and to be in the defined state:
             entity_service = self._service.service(entity.id)
 
@@ -603,7 +604,7 @@ class BaseModule(object):
 
         return {
             'changed': self.changed,
-            'id': entity.id,
+            'id': getattr(entity, 'id', None),
             type(entity).__name__.lower(): get_dict_of_struct(
                 struct=entity,
                 connection=self._connection,

lib/ansible/modules/cloud/ovirt/ovirt_vms.py

@@ -1933,8 +1933,11 @@ def main():
                 clone=module.params['clone'],
                 clone_permissions=module.params['clone_permissions'],
             )
-            vms_module.post_present(ret['id'])
+            # If VM is going to be created and check_mode is on, return now:
+            if module.check_mode and ret.get('id') is None:
+                module.exit_json(**ret)
 
+            vms_module.post_present(ret['id'])
             # Run the VM if it was just created, else don't run it:
             if state == 'running':
                 initialization = vms_module.get_initialization()