--- - block: - name: Get current RabbitMQ version vars: service_name: "rabbitmq" service: "{{ rabbitmq_services[service_name] }}" become: true command: "{{ kolla_container_engine }} exec {{ service.container_name }} rabbitmqctl --version" register: rabbitmq_version_current changed_when: false - name: Get new RabbitMQ version become: true vars: rabbitmq_container: "{{ rabbitmq_services['rabbitmq'] }}" kolla_container: action: "start_container" command: "rabbitmqctl --version" detach: false environment: KOLLA_CONFIG_STRATEGY: "{{ config_strategy }}" image: "{{ rabbitmq_container.image }}" name: "rabbitmq_version_check" restart_policy: oneshot volumes: "{{ rabbitmq_default_volumes + rabbitmq_extra_volumes }}" register: rabbitmq_version_new failed_when: false check_mode: false # As an example, when the new RabbitMQ version is 3.13.6: # new_major_version = 3 # new_minor_version = 13 # new_version = 3.13 # And if the current RabbitMQ version is 3.11.28: # upgrade_version = 3.12 - name: Check if running RabbitMQ is at most one version behind vars: current_version_major: "{{ rabbitmq_version_current.stdout | regex_search('^[0-9]+') }}" current_version_minor: "{{ rabbitmq_version_current.stdout | regex_search('(?<=.)[^.].') }}" current_version: "{{ rabbitmq_version_current.stdout | regex_replace('.[^.]+$', '') }}" new_version_major: "{{ rabbitmq_version_new.stdout | regex_search('^[0-9]+') }}" new_version_minor: "{{ rabbitmq_version_new.stdout | regex_search('(?<=.)[^.].') }}" new_version: "{{ rabbitmq_version_new.stdout | regex_replace('.[^.]+$', '') }}" # Note: this assumes 3.13 will be the last release before 4.0. upgrade_version: "{{ '4.0' if current_version == '3.13' else current_version_major + '.' + (current_version_minor | int + 1) | string }}" assert: that: (current_version_major == new_version_major and new_version_minor | int - current_version_minor | int <= 1) or (new_version | float == 4.0 and current_version | float == 3.13) fail_msg: > Looks like you're trying to run a skip-release upgrade! RabbitMQ must be at most one version behind the target release version ({{ rabbitmq_version_new.stdout | trim }}) to run this upgrade. You are running {{ rabbitmq_version_current.stdout }}. Please first upgrade to {{ upgrade_version }} with the command ``kolla-ansible rabbitmq-upgrade {{ upgrade_version }}``. See these docs for more details: https://docs.openstack.org/kolla-ansible/latest/reference/message-queues/rabbitmq.html#slurp delegate_to: "{{ groups[role_rabbitmq_groups] | first }}" run_once: true tags: rabbitmq-version-check