pause: description: | Pause swift-proxy services. If the swift-proxy deployment is clustered using the hacluster charm, the corresponding hacluster unit on the node must first be paused as well. Not doing so may lead to an interruption of service. resume: description: | Resume swift-proxy services. If the swift-proxy deployment is clustered using the hacluster charm, the corresponding hacluster unit on the node must be resumed as well. openstack-upgrade: description: | Perform openstack upgrades. Config option action-managed-upgrade must be set to True.