It seems that .kube/config does not work at all. Not only when juju runs kubectl commands but also when the user tries to use kubectl. Something inside the config is wrong. Notice that without openstack-integration (only the charmed-kubernetew bundle.yaml) everything is working as expected.
An update to the original report:
It seems that .kube/config does not work at all. Not only when juju runs kubectl commands but also when the user tries to use kubectl. Something inside the config is wrong. Notice that without openstack- integration (only the charmed-kubernetew bundle.yaml) everything is working as expected.