(七) Nacos Server处理注销请求

文章目录

• • • 1.InstanceController.deregister()
  • • 1.1 从请求中获取要操作的instance
    • 1.2 删除instance

1.InstanceController.deregister()

1、 从请求中获取要操作的instance；
2、 从注册表中获取service；
3、 从获取的service中删除instance；

1.1 从请求中获取要操作的instance

    private Instance getIpAddress(HttpServletRequest request) {
   
     
        // 从请求中获取各种属性
        final String ip = WebUtils.required(request, "ip");
        final String port = WebUtils.required(request, "port");
        String cluster = WebUtils.optional(request, CommonParams.CLUSTER_NAME, StringUtils.EMPTY);
        if (StringUtils.isBlank(cluster)) {
   
     
            cluster = WebUtils.optional(request, "cluster", UtilsAndCommons.DEFAULT_CLUSTER_NAME);
        }
        String enabledString = WebUtils.optional(request, "enabled", StringUtils.EMPTY);
        boolean enabled;
        if (StringUtils.isBlank(enabledString)) {
   
     
            enabled = BooleanUtils.toBoolean(WebUtils.optional(request, "enable", "true"));
        } else {
   
     
            enabled = BooleanUtils.toBoolean(enabledString);
        }

        boolean ephemeral = BooleanUtils.toBoolean(
                WebUtils.optional(request, "ephemeral", String.valueOf(switchDomain.isDefaultInstanceEphemeral())));

        String weight = WebUtils.optional(request, "weight", "1");
        boolean healthy = BooleanUtils.toBoolean(WebUtils.optional(request, "healthy", "true"));

        // 使用获取到的属性值装配一个instance
        Instance instance = new Instance();
        instance.setPort(Integer.parseInt(port));
        instance.setIp(ip);
        instance.setWeight(Double.parseDouble(weight));
        instance.setClusterName(cluster);
        instance.setHealthy(healthy);
        instance.setEnabled(enabled);
        instance.setEphemeral(ephemeral);

        return instance;
    }