Create an in-memory configuration from a template for the specified zone.

    zone : string
        name of zone
    template : string
        name of template

    .. warning::
        existing config will be overwritten!

    CLI Example:

    .. code-block:: bash

        salt '*' zonecfg.create_from_template leo tallgeese

def create_from_template(zone, template):
    '''
    Create an in-memory configuration from a template for the specified zone.

    zone : string
        name of zone
    template : string
        name of template

    .. warning::
        existing config will be overwritten!

    CLI Example:

    .. code-block:: bash

        salt '*' zonecfg.create_from_template leo tallgeese
    '''
    ret = {'status': True}

    # create from template
    _dump_cfg(template)
    res = __salt__['cmd.run_all']('zonecfg -z {zone} create -t {tmpl} -F'.format(
        zone=zone,
        tmpl=template,
    ))
    ret['status'] = res['retcode'] == 0
    ret['message'] = res['stdout'] if ret['status'] else res['stderr']
    if ret['message'] == '':
        del ret['message']
    else:
        ret['message'] = _clean_message(ret['message'])

    return ret