nodejs连接有密码的redis、连接有密码的mongoDB实战与排错

港控/mmm° 2023-06-18 03:57 32阅读 0赞

## nodejs连接redis ##

> redis版本5.0.6
> 
> nodejs依赖包redis版本2.6.2

import redis from 'redis'
    
    const redisLink = 'redis://127.0.0.1:6379'
    const pwd = '289181'
    const opts = { 
    	auth_pass: pwd,
    }
    const redisClient = redis.createClient(redisLink, opts)
    
    redisClient
    	.on('error', err => console.log('------ Redis connection failed ------' + err))
    	.on('connect', () => console.log('------ Redis connection succeed ------'))
    
    export default { 
    	redis: redis, 
    	redisClient: redisClient, 
    }

## nodejs连接mongoDB ##

> nodejs依赖包mongoose版本4.6.0 ; mongoomise版本0.0.8；bluebird版本3.4.6；  
> nodejs v12.13.0  
> mongoDB 版本4.2.1

在mongoDB中执行以下命令创建用户：

db.createUser({  user:'admin',pwd:'test123',roles:[ {  role:'userAdminAnyDatabase', db: 'admin'}]});

nodejs连接代码如下：

import bluebird from 'bluebird'
    import mongoose from 'mongoose'
    import mongoomise from 'mongoomise'
    
    class Mongo{ 
    	constructor(app, config) { 
    		Object.assign(this, { 
    			app, 
    			config, 
    		})
    
    		this.init()
    	}
    
    	init() { 
    		const opts = { 
    			useMongoClient: true,
    			server: { 
    				socketOptions: {  
    					keepAlive: 1 
    				}
    			}
    		}
    
    		mongoose
    			.connect('mongodb://mall:test123@127.0.0.1:27017/mall', opts)
    			.connection
    			.on('error', err => console.log('------ Mongodb connection failed ------' + err))
    			.on('open', () => console.log('------ Mongodb connection succeed ------'))
    
    		mongoose.Promise = global.Promise
    			
    		mongoomise.promisifyAll(mongoose, bluebird)
    	}
    }
    
    export default Mongo

连接时报错：

D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb\lib\utils.js:98                                                         
        process.nextTick(function() {  throw err; });                                                                                                                        
                                      ^                                                                                                                                     
    Error [MongoError]: Authentication failed.                                                                                                                              
        at Function.MongoError.create (D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb-core\lib\error.js:31:11)             
        at D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb-core\lib\connection\pool.js:462:72                               
        at authenticateStragglers (D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb-core\lib\connection\pool.js:410:16)      
        at Connection.messageHandler (D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb-core\lib\connection\pool.js:444:5)    
        at Socket.<anonymous> (D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb-core\lib\connection\connection.js:306:22)    
        at Socket.emit (events.js:210:5)                                                                                                                                    
        at Socket.EventEmitter.emit (domain.js:476:20)                                                                                                                      
        at addChunk (_stream_readable.js:308:12)                                                                                                                            
        at readableAddChunk (_stream_readable.js:289:11)                                                                                                                    
        at Socket.Readable.push (_stream_readable.js:223:10)                                                                                                                
        at TCP.onStreamRead (internal/stream_base_commons.js:182:23)                                                                                                        
    Emitted 'error' event on NativeConnection instance at:                                                                                                                  
        at D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongoose\lib\connection.js:288:17                                        
        at NativeConnection.Connection.error (D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongoose\lib\connection.js:451:12)    
        at open (D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongoose\lib\connection.js:503:13)                                 
        at D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongoose\lib\connection.js:524:7                                         
        at D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb\lib\db.js:1545:20                                                
        at handleCallback (D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb\lib\utils.js:96:12)                              
        at D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb\lib\db.js:1504:22                                                
        at D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb-core\lib\connection\pool.js:701:7                                
        at D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb-core\lib\connection\pool.js:677:20                               
        at D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb-core\lib\auth\scram.js:190:18                                    
        at D:\SoftwareAndProgram\program\weixin\miniprogram\mini-mall\mini-mall-admin\node_modules\mongodb-core\lib\connection\pool.js:436:18                               
        at processTicksAndRejections (internal/process/task_queues.js:75:11) {                                                                                               
      name: 'MongoError',                                                                                                                                                   
      message: 'Authentication failed.',                                                                                                                                    
      ok: 0,                                                                                                                                                                
      errmsg: 'Authentication failed.',                                                                                                                                     
      code: 18,                                                                                                                                                             
      codeName: 'AuthenticationFailed'                                                                                                                                      
    }                                                                                                                                                                       
    npm ERR! code ELIFECYCLE                                                                                                                                                
    npm ERR! errno 1                                                                                                                                                        
    npm ERR! m-mall-admin@1.0.0 start: `babel-node ./bin/www`                                                                                                               
    npm ERR! Exit status 1                                                                                                                                                  
    npm ERR!                                                                                                                                                                
    npm ERR! Failed at the m-mall-admin@1.0.0 start script.                                                                                                                 
    npm ERR! This is probably not a problem with npm. There is likely additional logging output above.                                                                      
                                                                                                                                                                            
    npm ERR! A complete log of this run can be found in:                                                                                                                    
    npm ERR!     C:\Users\lenovo\AppData\Roaming\npm-cache\_logs\2019-11-29T16_19_51_799Z-debug.log

因为用mall用户连接mall这个db，所以需要在mongoDB中执行以下命令，新建mall用户，对mall这个db有读写权限，密码为`test123`

use mall;
    db.createUser({  user:'mall',pwd:'test123',roles:[ {  role:'readWrite', db: 'mall'}]});

修改后重新启动项目，连接成功。  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9saWFiaW8uYmxvZy5jc2RuLm5ldA_size_16_color_FFFFFF_t_70]

## 参考 ##

[Nodejs学习笔记（九）— 与Redis的交互（mranney/node\_redis）入门目录][Nodejs_ _Redis_mranney_node_redis]

--------------------

# 作者简介 #

> 作者：小碗汤，一位热爱、认真写作的小伙，目前维护原创公众号：『我的小碗汤』，专注于写golang、docker、kubernetes等知识等提升硬实力的文章，期待你的关注。 转载说明：务必注明来源（注明：来源于公众号：我的小碗汤， 作者：小碗汤）

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9saWFiaW8uYmxvZy5jc2RuLm5ldA_size_16_color_FFFFFF_t_70]: https://img-blog.csdnimg.cn/20191130102040567.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9saWFiaW8uYmxvZy5jc2RuLm5ldA==,size_16,color_FFFFFF,t_70
[Nodejs_ _Redis_mranney_node_redis]: https://www.cnblogs.com/zhongweiv/p/node_redis.html