Check for background migration on GitLab update only

tasks/install.yml

@@ -85,26 +85,39 @@
  update_cache: true
  check_mode: false
 
-- name: Ensure gitlab-rails file exist
+- name: Check if VERSION file exists
  ansible.builtin.stat:
- path: "/usr/bin/gitlab-rails"
- register: file
+ path: "/var/opt/gitlab/gitlab-rails/VERSION"
+ register: gitlab_version_file
 
-- name: Wait until all previous background migrations are processed.
- become: yes
- ansible.builtin.command:
- cmd: gitlab-rails runner -e production 'puts Gitlab::BackgroundMigration.remaining'
- register: remaining
- until: remaining.stdout == "0"
- retries: 10
- delay: 10
- check_mode: no
- changed_when: remaining.rc != 0
+- name: Wait for background migrations on primary node
  when:
- - file.stat.exists
- - file.stat.executable
- - gitlab_is_primary is defined
  - gitlab_is_primary
+ - gitlab_version_file.stat.exists
+ - gitlab_rails_binary.stat.exists
+ - gitlab_rails_binary.stat.executable
+ block:
+ - name: Get the currently installed GitLab version
+ ansible.builtin.slurp:
+ path: "/var/opt/gitlab/gitlab-rails/VERSION"
+ register: gitlab_version_base64
+
+ - name: Set fact about installed GitLab version
+ ansible.builtin.set_fact:
+ gitlab_installed_version: "{{ gitlab_version_base64['content'] | b64decode }}"
+ check_mode: no
+
+ - name: Wait until all previous background migrations are processed.
+ become: yes
+ ansible.builtin.command:
+ cmd: gitlab-rails runner -e production 'puts Gitlab::BackgroundMigration.remaining'
+ register: remaining
+ until: remaining.stdout == "0"
+ retries: 10
+ delay: 10
+ check_mode: no
+ changed_when: false
+ when: gitlab_version == '' or gitlab_installed_version is version(gitlab_version, operator='lt', strict=True)
 
 - name: "Install GitLab and add helper to detect failed reconfigures"
  block:

tasks/main.yml

@@ -8,14 +8,14 @@
 - name: Set OS distribution dependent variables
  ansible.builtin.include_vars: "{{ ansible_facts['distribution'] }}.yml"
 
-- name: Check whether gitlab-ctl binary is installed
+- name: Check whether gitlab-rails binary is installed
  ansible.builtin.stat:
- path: "/usr/bin/gitlab-ctl"
- register: gitlab_ctl
+ path: "/usr/bin/gitlab-rails"
+ register: gitlab_rails_binary
 
 - name: Determine if this is an initial dry-run
  ansible.builtin.set_fact:
- is_initial_dryrun: "{{ ansible_check_mode and not gitlab_ctl.stat.exists }}"
+ is_initial_dryrun: "{{ ansible_check_mode and not gitlab_rails_binary.stat.exists }}"
 
 - name: Check if a previous reconfigure had failed
  ansible.builtin.stat: