if (strcasecmp ("Host", child->key) == 0)
      cf_util_get_string (child, &cb->host);
    else if (strcasecmp ("Port", child->key) == 0)
    {
      int tmp = cf_util_get_port_number (child);
      if (tmp > 0)
        cb->port = tmp;
    }
    else if (strcasecmp ("User", child->key) == 0)
      cf_util_get_string (child, &cb->user);
    else if (strcasecmp ("Password", child->key) == 0)
      cf_util_get_string (child, &cb->passwd);
    else if (strcasecmp ("Database", child->key) == 0)
      cf_util_get_string (child, &cb->database);
    else
      ERROR ("write_mysql plugin: The config option \"%s\" "
          "is not allowed in \"Instance\" blocks.", child->key);
  }