--- - name: Check nova upgrade status become: true command: "{{ kolla_container_engine }} exec -t nova_api nova-status upgrade check" register: nova_upgrade_check_stdout when: inventory_hostname == groups['nova-api'][0] failed_when: false - name: Upgrade status check result fail: msg: - "There was an upgrade status check failure!" - "See the detail at https://docs.openstack.org/nova/latest/cli/nova-status.html#nova-status-checks" vars: first_nova_api_host: "{{ groups['nova-api'][0] }}" when: hostvars[first_nova_api_host]['nova_upgrade_check_stdout']['rc'] not in [0, 1] - name: Stopping top level nova services become: true kolla_docker: action: "stop_container" common_options: "{{ docker_common_options }}" name: "{{ item.value.container_name }}" with_dict: "{{ nova_services }}" when: - inventory_hostname in groups[item.value.group] - item.value.enabled | bool - nova_safety_upgrade | bool - import_tasks: rolling_upgrade.yml