Be able to configure which host the server binds to.

playbooks/roles/mysql/defaults/main.yml

 ---
 remove_experimental_mysql: false
 
+MYSQL_BIND_ADDRESS: "127.0.0.1"
 mysql_debian_pkgs:
   - "mysql-server-5.6"
   - python-mysqldb

playbooks/roles/mysql/tasks/main.yml

@@ -21,4 +21,27 @@
   when: remove_experimental_mysql
 
 - include: mysql.yml
-  when: (mysql_56_installed.rc == 1) or (remove_experimental_mysql)
\ No newline at end of file
+  when: (mysql_56_installed.rc == 1) or (remove_experimental_mysql)
+
+- name: "Bind the server to {{ MYSQL_BIND_ADDRESS }}"
+  template:
+    src: "./etc/mysql/conf.d/bind-address.cnf.j2"
+    dest: "/etc/mysql/conf.d/bind-address.cnf"
+    mode: "0644"
+    owner: "root"
+    group: "root"
+  register: config_updated
+  tags:
+    - install
+    - install:configuration
+
+- name: Restart mysql
+  service:
+    name: mysql
+    state: restarted
+  when: config_updated.changed
+  tags:
+    - install
+    - install:configuration
+
+

playbooks/roles/mysql/templates/etc/mysql/conf.d/bind-address.cnf.j2

+[mysqld]
+bind-address = {{ MYSQL_BIND_ADDRESS }}