mysql:
      charm: "local:{{ ubuntu.release }}/percona-cluster"
      num_units: {{ unit_qty() }}
      options:
{% if os.ha.mode == 'ha' %}
        innodb-buffer-pool-size: 10G
{% else %}
        innodb-buffer-pool-size: 1G
{% endif %}
        max-connections: 20000
        root-password: {{ get_password('mysql_root') }}
        sst-password: {{ get_password('mysql_sst') }}
{% if os.network.ipv6 %}
        prefer-ipv6: {{ os.network.ipv6 }}
{% endif %}
{% if os.ha.mode == 'ha' %}
        vip: {{ opnfv.vip.mysql }}
{% endif %}
        min-cluster-size: {{ unit_qty() }}
      to:
{% for unit_id in to_select() %}
        - "lxc:nodes={{ unit_id }}"
{% endfor %}