65 lines
2.2 KiB
TypeScript
65 lines
2.2 KiB
TypeScript
import { Construct } from 'constructs';
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import * as ec2 from 'aws-cdk-lib/aws-ec2'
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import * as rds from "aws-cdk-lib/aws-rds";
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import * as cdk from 'aws-cdk-lib';
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interface RdsProps {
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vpc: ec2.Vpc
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dbSG:ec2.SecurityGroup
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}
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export class Rds extends Construct{
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readonly rdsCluster: rds.DatabaseCluster
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constructor(scope: Construct, id:string, props: RdsProps){
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super(scope, id);
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const {vpc, dbSG} = props
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const instanceType = ec2.InstanceType.of(ec2.InstanceClass.BURSTABLE4_GRAVITON, ec2.InstanceSize.MEDIUM)
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// RDSのパスワードを自動生成してSecrets Managerに格納
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const rdsCredentials = rds.Credentials.fromGeneratedSecret('db_user',{
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secretName: 'langflow-DbSecret',
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})
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// DB クラスターのパラメータグループ作成
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const clusterParameterGroup = new rds.ParameterGroup(scope, 'ClusterParameterGroup',{
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engine: rds.DatabaseClusterEngine.auroraMysql({
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version: rds.AuroraMysqlEngineVersion.VER_3_02_0
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}),
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description: 'for-langflow',
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})
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clusterParameterGroup.bindToCluster({})
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// DB インスタンスのパラメタグループ作成
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const instanceParameterGroup = new rds.ParameterGroup(scope, 'InstanceParameterGroup',{
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engine: rds.DatabaseClusterEngine.auroraMysql({
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version: rds.AuroraMysqlEngineVersion.VER_3_02_0,
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}),
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description: 'for-langflow',
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})
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instanceParameterGroup.bindToInstance({})
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this.rdsCluster = new rds.DatabaseCluster(scope, 'LangflowDbCluster', {
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engine: rds.DatabaseClusterEngine.auroraMysql({
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version: rds.AuroraMysqlEngineVersion.VER_3_02_0,
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}),
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storageEncrypted: true,
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credentials: rdsCredentials,
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instanceIdentifierBase: 'langflow-instance',
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vpc:vpc,
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vpcSubnets:vpc.selectSubnets({
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subnetGroupName: 'langflow-Isolated',
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}),
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securityGroups:[dbSG],
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writer: rds.ClusterInstance.provisioned("WriterInstance", {
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instanceType: instanceType,
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enablePerformanceInsights: true,
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parameterGroup:instanceParameterGroup,
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}),
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// 2台目以降はreaders:で設定
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parameterGroup: clusterParameterGroup,
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defaultDatabaseName: 'langflow',
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})
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}
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}
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