kigo-nacos-naming

nacos 注册中心客户端

Log4js category:

Naming

Install with:

$ cnpm install kigo-nacos-naming

Usage

服务订阅

'use strict'

const NamingClient = require('kigo-nacos-naming');

const client = new NamingClient({
  serverList: '127.0.0.1:8848',
  namespace: 'public'
})

// 订阅节点
client.subscribe('nodeim.comet', function(instances) {
  console.log(`节点变化: ${JSON.stringify(instances)}`);
})

// 取消订阅
client.unsubscribe('nodeim.comet');

服务注册

'use strict'

const NamingClient = require('kigo-nacos-naming');

const client = new NamingClient({
  serverList: '127.0.0.1:8848',
  namespace: 'public'
})

async function main() {
  // 服务注册
  await client.registerInstance('nodeim.comet', {
    host: '127.0.0.1',
    port: 3050
  })

  // 取消注册
  await client.deregisterInstance('nodeim.comet', {
    host: '127.0.0.1',
    port: 3051
  })
}

APIs

• new NamingClient(opts)
  • opts {Object}
    • [namespace] {String} 命名空间 default is public
    • serverList {String|Array} nacos server list, if type is string, split by ','
    • [ssl] {boolean} default is false
    • [ak] {String}
    • [sk] {String}
    • [appName] {String}
• async registerInstance(serviceName, instance) 注册服务.
  • serviceName {String} Service name
  • instance {Object}
    • host {String} Host of instance
    • port {Number} Port of instance
    • [weight] {Number} 权重 default is 1
    • [enabled] {boolean} 是否上线 default is true
    • [healthy] {boolean} 是否健康 default is true
    • [metadata] {Object} 扩展信息
    • [clusterName] {String} 集群名 default is DEFAULT
    • [groupName] {String} 分组名 default is DEFAULT_GROUP
    • [ephemeral] {boolean} 是否临时实例 default is true
• async deregisterInstance(serviceName, instance) 取消注册.
  • serviceName {String} Service name
  • instance {Object}
    • host {String} Host of instance
    • port {Number} Port of instance
    • [clusterName] {String} 集群名 default is DEFAULT
    • [groupName] {String} 分组名 default is DEFAULT_GROUP
    • [ephemeral] {boolean} 是否临时实例 default is true
• subscribe(params, listener) 订阅服务.
  • params {Object|String} service info, if type is string, it's the serviceName
    • serviceName {String} Service name
    • [groupName] {String} 分组名 default is DEFAULT_GROUP
    • [clusters] {String} 集群名称, 多个集群用逗号分隔
    • [healthyOnly] {boolean} 是否只返回健康实例 default is false
  • listener {Function} callback function
• unsubscribe(params) 取消订阅.
  • params {Object|String} service info, if type is string, it's the serviceName
    • serviceName {String} Service name
    • [groupName] {String} 分组名 default is DEFAULT_GROUP
    • [clusters] {String} 集群名称, 多个集群用逗号分隔