Add dovecot-sql config

roles/mailserver_dovecot/tasks/main.yml

@@ -93,3 +93,12 @@
     regexp: "{{ item.regexp }}"
     line: "{{ item.line }}"
   notify: Reload dovecot service
+
+- name: Copy dovecot-sql.conf.ext
+  become: true
+  ansible.builtin.template:
+    src: dovecot-sql.conf.ext.j2
+    dest: /etc/dovecot/dovecot-sql.conf.ext
+    owner: root
+    group: root
+    mode: "640"

roles/mailserver_dovecot/templates/dovecot-sql.conf.ext.j2

@@ -0,0 +1,19 @@
+# {{ ansible_managed }}
+
+driver = pgsql
+
+connect = \
+    host=127.0.0.1 \
+    dbname={{ mailserver_database_db }} \
+    user={{ mailserver_database_ro_user.name }} \
+    password={{ mailserver_database_ro_user.pwd }}
+
+user_query = SELECT email as user, \
+    concat('*:bytes=', quota) AS quota_rule, \
+    '/var/vmail/%d/%n' AS home \
+    5000 AS uid, 5000 AS gid \
+    FROM virtual_users WHERE email='%u'
+
+password_query = SELECT password FROM virtual_users WHERE email='%u'
+
+iterate_query = SELECT email AS user FROM virtual_users