Initial commit of Docker and mailcow updates

roles/docker_update/tasks/main.yaml

@@ -0,0 +1,9 @@
+---
+- name: Pull latest images and update Docker Compose stacks
+  become: true
+  community.docker.docker_compose_v2:
+    project_src: "{{ item }}"
+    state: present
+    pull: always
+  loop: "{{ docker_compose_dirs | default([]) }}"
+

roles/mailcow_update/handlers/main.yaml

@@ -0,0 +1,8 @@
+---
+- name: Restart main Docker stack
+  become: true
+  community.docker.docker_compose_v2:
+    # This targets the first directory in the list you defined in your host_vars
+    project_src: "{{ docker_compose_dirs[0] }}" 
+    state: restarted
+

roles/mailcow_update/tasks/main.yaml

@@ -0,0 +1,25 @@
+---
+- 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