eureka-config-client/lib/eurekaClient/eurekaClientConfig.js

common modules

const EurekaClient  =require('./eurekaClient');
const _ = require('lodash');
const inflection = require( 'inflection' );

class EurekaClientConfig  {
    constructor(appName,config,heartbeatInterval = 30000,registryFetchInterval = 30000) {
        //console.log('EurekaClientConfig->constructor ' );
        this.eurekaClient = new EurekaClient(appName,null,config.server.port,config.server.domain
            ,config.eurekaServer.host,config.eurekaServer.port,this.refreshConfig,this,[config],heartbeatInterval,registryFetchInterval);
    };

    async registerService()
    {
        return await  this.eurekaClient.registerService();
    };

    refreshConfig(enurekaClient,config)
    {

        /** 2018/8/8  暂时屏蔽刷新CONFIG信息，因为目前没有用途。
         lpy-modifyed  */
        return;

        let eurekaApps = enurekaClient.getAllInstances();

        console.log('refreshConfig data eurekaApps:' + JSON.stringify(eurekaApps,null,2));

        _.keys(eurekaApps).map(appName=>{
            let appInsts = eurekaApps[appName];

            let keyName = inflection.camelize(appName.toLowerCase());

            if(config[keyName] && appInsts.length > 0)
            {
                console.log(`refreshConfig keyName:${keyName},config host:${config[keyName].host},eureka host:${appInsts[0].vipAddress}`);
                for(let i = 0;i < appInsts.length;i++)
                {
                    if(!_.isEqual(config[keyName].host,appInsts[i].vipAddress))
                    {
                        console.log(`update ${keyName} from eureka server ,old Host:${config[keyName].host},new Host:${appInsts[i].vipAddress}`);
                        config[keyName].host = appInsts[i].vipAddress;
                    }

                    if(!_.isEqual(config[keyName].port,appInsts[i].port))
                    {
                        console.log(`update ${keyName} from eureka server ,old port:${config[keyName].port},new port:${appInsts[i].port}`);
                        config[keyName].port = appInsts[i].port;
                    }
                }

            }
        });


        //config.redis.db =1;
    };

}


module.exports = EurekaClientConfig;

/*
console.log(inflection.underscore('MenuServer'));
console.log(inflection.camelize('menu_server'));*/