Add option to use a remote mysql server

defaults/main.yml

@@ -9,6 +9,8 @@ dbmail_db_port: 3306
 dbmail_db_name: dbmail
 dbmail_db_user: dbmail
 dbmail_db_password: "{{ vault_dbmail_password }}"
+dbmail_db_admin_user: root
+dbmail_db_admin_password: ''
 mail_server_fqdn: mail.example.com
 dbmail_domains:
   - example.com
@@ -104,4 +106,4 @@ dbmail_configuration:
     AUTO_NOTIFY: 'no'
     AUTO_REPLY: 'no'
     suppress_duplicates: 'no'
-    quota_failure: hard
+    quota_failure: hard

tasks/configure_mysql_database.yml

@@ -53,7 +53,25 @@
     collation: utf8_general_ci
     encoding: utf8
     login_unix_socket: /var/run/mysqld/mysqld.sock
-  when: create_database
+  when:
+    - create_database
+    - dbmail_db_host == 'localhost' or dbmail_db_host == '127.0.0.1'
+
+- name: Create a new database from structure file
+  mysql_db:
+    name: "{{ dbmail_db_name }}"
+    state: import
+    target: /tmp/create_tables.sql
+    collation: utf8_general_ci
+    encoding: utf8
+    login_user: "{{ dbmail_db_admin_user }}"
+    login_password: "{{ dbmail_db_admin_password }}"
+    login_host: "{{ dbmail_db_host }}"
+    login_port: "{{ dbmail_db_port }}"
+  when:
+    - create_database
+    - dbmail_db_host != 'localhost'
+    - dbmail_db_host != '127.0.0.1'
 
 - name: Create database user with mail database privileges for remote access
   mysql_user:
@@ -64,6 +82,24 @@
     state: present
     login_unix_socket: /var/run/mysqld/mysqld.sock
   loop: "{{ ansible_play_hosts }}"
+  when:
+    - dbmail_db_host == 'localhost' or dbmail_db_host == '127.0.0.1'
+
+- name: Create database user with mail database privileges for remote access
+  mysql_user:
+    name: "{{ dbmail_db_user }}"
+    host: "{{ lookup('dig', item) }}"
+    password: "{{ dbmail_db_password }}"
+    priv: "{{ dbmail_db_name }}.*:ALL"
+    state: present
+    login_user: "{{ dbmail_db_admin_user }}"
+    login_password: "{{ dbmail_db_admin_password }}"
+    login_host: "{{ dbmail_db_host }}"
+    login_port: "{{ dbmail_db_port }}"
+  loop: "{{ ansible_play_hosts }}"
+  when:
+    - dbmail_db_host != 'localhost'
+    - dbmail_db_host != '127.0.0.1'
 
 - name: Create database user with mail database privileges for local access
   mysql_user:
@@ -72,3 +108,19 @@
     priv: "{{ dbmail_db_name }}.*:ALL"
     state: present
     login_unix_socket: /var/run/mysqld/mysqld.sock
+  when:
+    - dbmail_db_host == 'localhost' or dbmail_db_host == '127.0.0.1'
+
+- name: Create database user with mail database privileges for local access
+  mysql_user:
+    name: "{{ dbmail_db_user }}"
+    password: "{{ dbmail_db_password }}"
+    priv: "{{ dbmail_db_name }}.*:ALL"
+    state: present
+    login_user: "{{ dbmail_db_admin_user }}"
+    login_password: "{{ dbmail_db_admin_password }}"
+    login_host: "{{ dbmail_db_host }}"
+    login_port: "{{ dbmail_db_port }}"
+  when:
+    - dbmail_db_host != 'localhost'
+    - dbmail_db_host != '127.0.0.1'