commited current state (new functions, may not work by now)

playbooks/managed-mailcow/count-mailboxes.yml

@@ -0,0 +1,43 @@
+---
+- name: Mailcow Mailbox Counter
+  hosts: all
+  gather_facts: no
+  tasks:
+    - import_role:
+        name: managed-mailcow
+        tasks_from: find-mailcow-composedir.yml
+
+    - name: Read mailcow.conf and extract DBROOT
+      ansible.builtin.shell: |
+        bash -c 'source {{ mailcow_dir_result.files[0].path }}/mailcow.conf && echo $DBROOT'
+      register: dbroot_output
+
+    - name: Count active mailboxes from mailcow database
+      ansible.builtin.shell: |
+        docker compose exec mysql-mailcow \
+        mysql -u root -p{{ dbroot_output.stdout }} -D mailcow -N -e \
+        "SELECT COUNT(*) FROM mailbox WHERE active=1;"
+      args:
+        chdir: "{{ mailcow_dir_result.files[0].path }}"
+      register: mailbox_count
+      changed_when: false
+
+    - name: Set fact with mailbox count as integer
+      ansible.builtin.set_fact:
+        mailbox_count_int: "{{ mailbox_count.stdout | int }}"
+
+- name: Summiere alle Mailboxen über alle Hosts
+  hosts: all
+  gather_facts: false
+  run_once: true
+  tasks:
+
+    - name: Summiere aktive Mailboxen
+      ansible.builtin.set_fact:
+        total_mailboxes: "{{ (total_mailboxes | default(0) | int) + (item.value.mailbox_count_int | default(0) | int) }}"
+      loop: "{{ hostvars | dict2items }}"
+      when: "'mailbox_count_int' in item.value"
+
+    - name: Zeige Gesamtsumme
+      ansible.builtin.debug:
+        msg: "Gesamtanzahl aktiver Mailboxen: {{ total_mailboxes }}"