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---
- 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