uninstall-gitlab.yml

---

# See the documented procedure:
# <https://docs.gitlab.com/omnibus/installation/#uninstall-the-linux-package-omnibus>

- name: GitLab | is completely uninstalled
  hosts: gitlab_hosts
  # vars:
  #   gitlab_destroy_data: false
  tasks:
    - name: GitLab uninstall | processes are stopped
      become: true
      ansible.builtin.command:
        cmd: gitlab-ctl stop
      tags: [ stop-processes ]

    - name: GitLab uninstall | for processes to stop, a delay is observed
      ansible.builtin.wait_for:
        timeout: 5 # seconds

    - name: GitLab uninstall | data is destroyed
      when: gitlab_destroy_data | default(false) | bool
      tags: [ destroy-data ]
      block:
        - name: GitLab uninstall | runsvdir is stopped and disabled
          become: true
          ansible.builtin.systemd_service:
            # KLUDGE: this one should be able to run when
            # gitlab_destroy_data=false, but unfortunately the `yum install
            # gitlab-XX` does not properly restarts the
            # `gitlab-runsvdir.service` systemd unit and the handler for root
            # API key creation fails. So, in order to be able to re-install
            # after this uninstall has run, we just don't stop this service.
            name: gitlab-runsvdir
            enabled: false
            state: stopped
          tags: [ stop-process-supervisor ]

        - name: GitLab uninstall | for runsvdir to stop, a delay is observed
          ansible.builtin.wait_for:
            timeout: 5 # seconds

        - name: GitLab uninstall | the 'gitlab-runsvdir' unit file is absent
          become: true
          ansible.builtin.file:
            path: /usr/lib/systemd/system/gitlab-runsvdir.service
            state: absent
          tags: [ remove-unit-file ]

        - name: GitLab uninstall | the systemd daemon is reloaded
          become: true
          ansible.builtin.systemd_service:
            daemon_reload: true
          tags: [ reload-systemd ]

        - name: GitLab uninstall | the "failed" state of all systemd units is reset
          become: true
          ansible.builtin.command: # noqa: command-instead-of-module
            cmd: systemctl reset-failed
          tags: [ reset-systemd-unit-failed-state ]

    - name: GitLab uninstall | the process supervisor is uninstalled
      become: true
      ansible.builtin.command:
        cmd: gitlab-ctl uninstall
      tags: [ uninstall-process-supervisor ]

    - name: GitLab uninstall | data is destroyed
      when: gitlab_destroy_data | default(false) | bool
      tags: [ destroy-data ]
      block:
        - name: GitLab uninstall | all gitlab data is deleted
          become: true
          ansible.builtin.command: gitlab-ctl cleanse

        - name: GitLab uninstall | user accounts are removed
          become: true
          ansible.builtin.command:
            cmd: gitlab-ctl remove-accounts
          tags: [ remove-accounts ]

        - name: GitLab uninstall | the base directory is removed
          become: true
          ansible.builtin.file:
            path: /opt/gitlab
            state: absent

    - name: GitLab uninstall | the all-in-one package is removed
      become: true
      ansible.builtin.package:
        name: gitlab-ce
        state: absent
      tags: [ uninstall-package ]