---
# Runs in place of graylog.yml when graylog_enabled is false.
#
# A bare `when:` on the import would only stop Ansible from *creating* the
# stack; containers already on the host would keep running and their systemd
# user units would keep starting them at boot. So the disabled path has to be an
# active teardown: disable the units, then remove the containers.
#
# Volumes under {{ graylog_path }} are deliberately untouched -- indices, the
# Mongo database holding streams/pipelines/dashboards, and the node-id file all
# survive, so flipping graylog_enabled back to true resumes where this left off.

# graylog is stopped first: its unit `requires` the other two, and tearing down
# a dependency out from under it makes the shutdown noisy for no reason.
- name: stop and disable graylog stack systemd units
  become: true
  become_user: "{{ podman_user }}"
  ansible.builtin.systemd:
    name: "{{ item }}.service"
    enabled: false
    state: stopped
    daemon_reload: true
    scope: user
  loop:
    - graylog
    - graylog-opensearch
    - graylog-mongo
    # Left over from the Elasticsearch-to-OpenSearch migration; the container is
    # long gone but the enabled unit still tries to start it every boot.
    - graylog-elastic
  register: graylog_units
  failed_when: false
  tags: graylog

- name: remove graylog stack containers
  become: true
  become_user: "{{ podman_user }}"
  containers.podman.podman_container:
    name: "{{ item }}"
    state: absent
  loop:
    - graylog
    - graylog-opensearch
    - graylog-mongo
  tags: graylog

- name: remove graylog stack systemd unit files
  become: true
  become_user: "{{ podman_user }}"
  ansible.builtin.file:
    path: "{{ podman_home }}/.config/systemd/user/{{ item }}.service"
    state: absent
  loop:
    - graylog
    - graylog-opensearch
    - graylog-mongo
    - graylog-elastic
  notify: reload podman systemd
  tags: graylog