whale-nest-nacos/lib/register/index.js

If you are a nest micro service architecture, you can use the SDK, so as to realize service discovery based on nacos, distributed load balancing strategy

"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.registerInstance = void 0;
const WhaleNacosClient_1 = require("../baseNacos/WhaleNacosClient");
const constant_1 = require("../constant");
const log_1 = require("../nacosLogger/log");
const os = require('os');
const dns = require('dns');
const hostName = os.hostname();
// 注册实例到nacos上
function registerInstance(options) {
    const nacosClientInstance = new WhaleNacosClient_1.WhaleNacosClient({
        serverAddress: constant_1.serverAddress,
        namespace: constant_1.namespace,
        endpoint: '7777',
        logger: log_1.logger
    });
    let instanceOptions = Object.assign(constant_1.DEFAULT_INSTANCE_OPTIONS, options);
    const { serviceName, groupName } = instanceOptions;
    dns.lookup(hostName, (err, address, family) => __awaiter(this, void 0, void 0, function* () {
        console.log('DNS 解析：', err, address, family);
        if (err) {
            console.error('获取Pod ip 失败:', err);
        }
        else {
            instanceOptions = Object.assign({ ip: address }, instanceOptions);
            if (constant_1.TIER_VERSION) {
                instanceOptions = Object.assign(instanceOptions, { metadata: { TIER_VERSION: constant_1.TIER_VERSION } });
            }
            try {
                yield nacosClientInstance.ready();
                yield nacosClientInstance.namingClient.registerInstance(serviceName, instanceOptions, groupName);
                console.log(`服务${process.env.SERVICE_NAME}注册成功！Pod IP：${address}`);
            }
            catch (error) {
                console.error(`服务${process.env.SERVICE_NAME}注册失败！Pod IP：${address}`);
            }
        }
    }));
}
exports.registerInstance = registerInstance;
//# sourceMappingURL=index.js.map