object handling require some improve

[ricolin]

found errors like

2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall [-] Fixed interval looping call 'magnum.service.periodic.ClusterUpdateJob.update_status' failed: KeyError: 'status'
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall Traceback (most recent call last):
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall   File "/var/lib/openstack/lib/python3.10/site-packages/oslo_service/loopingcall.py", line 150, in _run_loop
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall     result = func(*self.args, **self.kw)
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall   File "/var/lib/openstack/lib/python3.10/site-packages/magnum/service/periodic.py", line 73, in update_status
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall     cdriver.update_cluster_status(self.ctx, self.cluster)
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall   File "/var/lib/openstack/lib/python3.10/site-packages/magnum_cluster_api/driver.py", line 55, in update_cluster_status
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall     node_groups = [
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall   File "/var/lib/openstack/lib/python3.10/site-packages/magnum_cluster_api/driver.py", line 56, in <listcomp>
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall     self.update_nodegroup_status(context, cluster, node_group)
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall   File "/var/lib/openstack/lib/python3.10/site-packages/magnum_cluster_api/driver.py", line 206, in update_nodegroup_status
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall     generation = kcp.obj["status"].get("observedGeneration")
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall KeyError: 'status'
2023-02-07 22:50:52.737 1 ERROR oslo.service.loopingcall 

or

2023-02-07 22:50:46.717 1 ERROR oslo.service.loopingcall [-] Fixed interval looping call 'magnum.service.periodic.ClusterUpdateJob.update_status' failed: AttributeError: 'NoneType' object has no attribute 'reload'
2023-02-07 22:50:46.717 1 ERROR oslo.service.loopingcall Traceback (most recent call last):
2023-02-07 22:50:46.717 1 ERROR oslo.service.loopingcall   File "/var/lib/openstack/lib/python3.10/site-packages/oslo_service/loopingcall.py", line 150, in _run_loop
2023-02-07 22:50:46.717 1 ERROR oslo.service.loopingcall     result = func(*self.args, **self.kw)
2023-02-07 22:50:46.717 1 ERROR oslo.service.loopingcall   File "/var/lib/openstack/lib/python3.10/site-packages/magnum/service/periodic.py", line 73, in update_status
2023-02-07 22:50:46.717 1 ERROR oslo.service.loopingcall     cdriver.update_cluster_status(self.ctx, self.cluster)
2023-02-07 22:50:46.717 1 ERROR oslo.service.loopingcall   File "/var/lib/openstack/lib/python3.10/site-packages/magnum_cluster_api/driver.py", line 69, in update_cluster_status
2023-02-07 22:50:46.717 1 ERROR oslo.service.loopingcall     capi_cluster.reload()
2023-02-07 22:50:46.717 1 ERROR oslo.service.loopingcall AttributeError: 'NoneType' object has no attribute 'reload'
2023-02-07 22:50:46.717 1 ERROR oslo.service.loopingcall