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nacos-naming2

v2.0.8

Published

nacos (https://nacos.io/en-us/) nodejs sdk

Downloads

4

Readme

nacos-sdk-nodejs

=======

NPM version build status David deps

Nacos Node.js SDK

Install

npm install nacos --save

Usage

Service Discovery

'use strict';

const NacosNamingClient = require('nacos').NacosNamingClient;
const logger = console;

const client = new NacosNamingClient({
  logger,
  serverList: '127.0.0.1:8848', // replace to real nacos serverList
  namespace: 'public',
});
await client.ready();

const serviceName = 'nodejs.test.domain';

// registry instance
await client.registerInstance(serviceName, {
  ip: '1.1.1.1',
  port: 8080,
});
await client.registerInstance(serviceName, {
  ip: '2.2.2.2',
  port: 8080,
});

// subscribe instance
client.subscribe(serviceName, hosts => {
  console.log(hosts);
});

// deregister instance
await client.deregisterInstance(serviceName, {
  ip: '1.1.1.1',
  port: 8080,
});

APIs

Service Discovery

  • registerInstance(serviceName, instance, [groupName]) Register an instance to service.
    • serviceName {String} Service name
    • instance {Instance}
      • ip {String} IP of instance
      • port {Number} Port of instance
      • [weight] {Number} weight of the instance, default is 1.0
      • [ephemeral] {Boolean} active until the client is alive, default is true
      • [clusterName] {String} Virtual cluster name
    • [groupName] {String} group name, default is DEFAULT_GROUP
  • deregisterInstance(serviceName, ip, port, [cluster]) Delete instance from service.
    • serviceName {String} Service name
    • instance {Instance}
      • ip {String} IP of instance
      • port {Number} Port of instance
      • [weight] {Number} weight of the instance, default is 1.0
      • [ephemeral] {Boolean} active until the client is alive, default is true
      • [clusterName] {String} Virtual cluster name
    • [groupName] {String} group name, default is DEFAULT_GROUP
  • getAllInstances(serviceName, [groupName], [clusters], [subscribe]) Query instance list of service.
    • serviceName {String} Service name
    • [groupName] {String} group name, default is DEFAULT_GROUP
    • [clusters] {String} Cluster names
    • [subscribe] {Boolean} whether subscribe the service, default is true
  • getServerStatus() Get the status of nacos server, 'UP' or 'DOWN'.
  • subscribe(info, listener) Subscribe the instances of the service
    • info {Object}|{String} service info, if type is string, it's the serviceName
    • listener {Function} the listener function
  • unSubscribe(info, [listener]) Unsubscribe the instances of the service
    • info {Object}|{String} service info, if type is string, it's the serviceName
    • listener {Function} the listener function, if not provide, will unSubscribe all listeners under this service

Questions & Suggestions

Please let us know how can we help. Do check out issues for bug reports or suggestions first.

PR is welcome.

License

Apache License V2