Rob*_*bin 7 amazon-web-services aws-lambda aws-security-group aws-cdk
我有一个带有需要插入 RDS 数据库的 lambda 函数的 AWS CDK 堆栈。部署堆栈时,lambda 函数无法访问数据库并给出错误:getaddrinfo ENOTFOUND [RDS 端点由我定义]。手动添加RDS数据库所在的VPC、子网和安全组后,lambda函数正常工作。
您如何在 AWS CDK 中定义 VPC、子网和安全组,最好是在 TypeScript 中?就文档而言,我尝试过:
const vpc = ec2.Vpc.fromLookup(this, "VPC", { vpcName: "myVPC" });
const securityGroup = ec2.SecurityGroup.fromSecurityGroupId(
this,
"SG",
"sg-XXXXX"
);
const subnet1a = ec2.PrivateSubnet.fromSubnetAttributes(this, "SUBNET1A", {
subnetId: "eu-central-1a"
});
const myLambda = new lambda.Function(this, "myLambda", {
runtime: lambda.Runtime.NODEJS_12_X,
code: lambda.Code.fromAsset("lambda"),
handler: "myLambda.handler",
description: "myLambda",
environment: {
DB_HOST: "XXXX",
DB_USER: "XXXX",
DB_PASSWORD: "XXXX",
DB_NAME: "XXXX"
},
vpc: vpc,
vpcSubnets: [subnet1a],
securityGroups: [securityGroup]
});
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运行 cdk deploy 时会出现 AWS CDK 错误:“无法将 Lambda 函数放置在公共子网中,子进程因错误 1 退出”
欢迎任何帮助。
下面是一个简单的例子,希望对你有帮助:
//get VPC Info form AWS account, FYI we are not rebuilding we are referencing
const DefaultVpc = Vpc.fromVpcAttributes(this, 'vpcdev', {
vpcId:'vpc-d0e0000b0',
availabilityZones: core.Fn.getAzs(),
privateSubnetIds: 'subnet-00a0de00',
publicSubnetIds: 'subnet-00a0de00'
});
const YourService = new lambda.Function(this, 'LambdaName', {
code: lambda.Code.fromAsset("lambda"),
handler: 'handlers.your_handler',
role: lambdaExecutionRole,
securityGroup: lambdaSecurityGroup,
vpc: DefaultVpc,
runtime: lambda.Runtime.PYTHON_3_7,
timeout: Duration.minutes(2),
});
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