Refactored for proper docker and mailcow setup

roles/docker_update/tasks/main.yaml

@@ -0,0 +1,10 @@
+---
+- name: Pull latest images and update Docker Compose stacks
+  become: true
+  community.docker.docker_compose_v2:
+    project_src: "{{ item }}"
+    state: present
+    pull: always
+    build: always
+  loop: "{{ docker_compose_dirs | default([]) }}"
+

roles/mailcow_update/handlers/main.yaml

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+---
+- name: Tear down Mailcow and main Docker stack(s) (LIFO)
+  become: true
+  community.docker.docker_compose_v2:
+    project_src: "{{ item }}"
+    state: absent
+  # Drops Mailcow first, THEN loops through your main stacks
+  loop: "{{ [mailcow_dir | default('/data/mailcow')] + (docker_compose_dirs | default([])) }}"
+  listen: Restart main Docker stack
+
+- name: Bring main Docker stack(s) and Mailcow back up (FIFO)
+  become: true
+  community.docker.docker_compose_v2:
+    project_src: "{{ item }}"
+    state: present
+  # Brings your main stacks up first (recreating the network), THEN Mailcow
+  loop: "{{ (docker_compose_dirs | default([])) + [mailcow_dir | default('/data/mailcow')] }}"
+  listen: Restart main Docker stack
+

roles/mailcow_update/tasks/main.yaml

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+---
+- name: Execute unattended Mailcow update
+  become: true
+  ansible.builtin.command:
+    cmd: ./update.sh --force
+    chdir: "{{ mailcow_dir | default('/data/mailcow') }}"
+  register: mailcow_first_pass
+  # Exit code 2 means "modules updated, run me again". Anything else is a real failure.
+  failed_when: mailcow_first_pass.rc not in [0, 2]
+  changed_when: 
+    - mailcow_first_pass.rc == 0
+    - "'Updated code is available' in mailcow_first_pass.stdout or 'Pulling' in mailcow_first_pass.stdout or 'Upgrading' in mailcow_first_pass.stdout"
+  notify: Restart main Docker stack
+
+- name: Re-run unattended Mailcow update (if modules changed)
+  become: true
+  ansible.builtin.command:
+    cmd: ./update.sh --force
+    chdir: "{{ mailcow_dir | default('/data/mailcow') }}"
+  # Only trigger this second pass if the first pass threw the specific restart code
+  when: mailcow_first_pass.rc == 2
+  register: mailcow_second_pass
+  changed_when: 
+    - "'Updated code is available' in mailcow_second_pass.stdout or 'Pulling' in mailcow_second_pass.stdout or 'Upgrading' in mailcow_second_pass.stdout"
+  notify: Restart main Docker stack