admin_my_cnf

[client]
user=root
password={{ mysql_root_password }}
{% if inventory_hostname not in groups["dbserver-mysql"] and mysql_default_host is defined and mysql_default_host != inventory_hostname and hostvars[mysql_default_host|default(inventory_hostname)]["ssh_tunnel_ports"] is defined %}
host=127.0.0.1
port={{ hostvars[mysql_default_host|default(inventory_hostname)]["ssh_tunnel_ports"][0]["local"] }}
{% else %}
host=127.0.0.1
port=3306
{% endif %}