我正在尝试访问安装在 EC2 实例中的 MySQL 数据库。我在 express js 中编写了一个简单的 AWS Lambda 函数。 lambda 函数需要访问 MySQL。当它尝试在 EC2 上建立数据库连接时,我得到以下所有人:
{
"errorType": "SequelizeConnectionError",
"errorMessage": "connect ETIMEDOUT",
"name": "SequelizeConnectionError",
"parent": {
"errorType": "Error",
"errorMessage": "connect ETIMEDOUT",
"code": "ETIMEDOUT",
"errorno": "ETIMEDOUT",
"syscall": "connect",
"fatal": true,
"stack": [
"Error: connect ETIMEDOUT",
" at Connection._handleTimeoutError (/var/task/node_modules/mysql2/lib/connection.js:173:17)",
" at ontimeout (timers.js:436:11)",
" at tryOnTimeout (timers.js:300:5)",
" at listOnTimeout (timers.js:263:5)",
" at Timer.processTimers (timers.js:223:10)"
]
},
"original": {
"errorType": "Error",
"errorMessage": "connect ETIMEDOUT",
"code": "ETIMEDOUT",
"errorno": "ETIMEDOUT",
"syscall": "connect",
"fatal": true,
"stack": [
"Error: connect ETIMEDOUT",
" at Connection._handleTimeoutError (/var/task/node_modules/mysql2/lib/connection.js:173:17)",
" at ontimeout (timers.js:436:11)",
" at tryOnTimeout (timers.js:300:5)",
" at listOnTimeout (timers.js:263:5)",
" at Timer.processTimers (timers.js:223:10)"
]
},
"stack": [
"SequelizeConnectionError: connect ETIMEDOUT",
" at Utils.Promise.tap.then.catch.err (/var/task/node_modules/sequelize/lib/dialects/mysql/connection-manager.js:149:19)",
" at tryCatcher (/var/task/node_modules/bluebird/js/release/util.js:16:23)",
" at Promise._settlePromiseFromHandler (/var/task/node_modules/bluebird/js/release/promise.js:512:31)",
" at Promise._settlePromise (/var/task/node_modules/bluebird/js/release/promise.js:569:18)",
" at Promise._settlePromise0 (/var/task/node_modules/bluebird/js/release/promise.js:614:10)",
" at Promise._settlePromises (/var/task/node_modules/bluebird/js/release/promise.js:689:18)",
" at Async._drainQueue (/var/task/node_modules/bluebird/js/release/async.js:133:16)",
" at Async._drainQueues (/var/task/node_modules/bluebird/js/release/async.js:143:10)",
" at Immediate.Async.drainQueues [as _onImmediate] (/var/task/node_modules/bluebird/js/release/async.js:17:14)",
" at runCallback (timers.js:705:18)",
" at tryOnImmediate (timers.js:676:5)",
" at processImmediate (timers.js:658:5)"
]
}
ec2 配置是:-
入站规则:
出站规则
Lambda 函数
注意:vpc、子网和安全组在 EC2 和 lambda 中相同
这是我的代码:-
Lambda Function Code
任何帮助表示高度赞赏!
最佳答案
如果您想从 lambda
函数连接到 ec2 实例。
首先,Ec2 instances
和 lambda 函数在同一个 VPC 中,并且
其次,您必须为 lambda 函数创建 NAT gateway
。 EC2 实例的子网和 lambda 函数的子网应该通过相同的 NAT gateway
路由。
例如 :
关于amazon-web-services - AWS Lambda 函数无法从 EC2 实例 : SequelizeConnectionError connect ETIMEDOUT 访问 MySQL 数据库,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58931934/