From d9b0fb0fe5a4dea97960aa6f6a2431d2b7fea870 Mon Sep 17 00:00:00 2001 From: Markus Spanier Date: Sat, 23 Apr 2022 23:29:59 +0200 Subject: [PATCH 1/3] feat(rds): Support rolling instance updates Support defining the instance update behaviour of RDS instances. This allows to switch between bulk (all instances at once) and rolling updates (one instance after another). While bulk updates are faster, they have a higher risk for longer downtimes as all instances might be simultaneously unreachable due to the update. Rolling updates take longer but ensure that all but one instance are not updated and thus downtimes are limited to the (at most two) changes of the primary instance. We keep the current behaviour, namely a bulk update, as default. This implementation follows proposal A by hixi-hyi in issue #10595. --- packages/@aws-cdk/aws-rds/README.md | 29 +- packages/@aws-cdk/aws-rds/lib/cluster.ts | 37 + packages/@aws-cdk/aws-rds/package.json | 1 + .../@aws-cdk/aws-rds/test/cluster.test.ts | 32 +- .../test/integ.rolling-instance-updates.ts | 45 + .../BulkUpdate.template.json | 554 +++++ ...aultTestDeployAssert287956FD.template.json | 1 + .../RollingUpdate.template.json | 556 +++++ .../cdk.out | 1 + .../integ.json | 12 + .../manifest.json | 414 ++++ .../tree.json | 1881 +++++++++++++++++ 12 files changed, 3561 insertions(+), 2 deletions(-) create mode 100644 packages/@aws-cdk/aws-rds/test/integ.rolling-instance-updates.ts create mode 100644 packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/BulkUpdate.template.json create mode 100644 packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/InstanceUpdateBehaviorTestsDefaultTestDeployAssert287956FD.template.json create mode 100644 packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/RollingUpdate.template.json create mode 100644 packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/cdk.out create mode 100644 packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/integ.json create mode 100644 packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/manifest.json create mode 100644 packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/tree.json diff --git a/packages/@aws-cdk/aws-rds/README.md b/packages/@aws-cdk/aws-rds/README.md index 861c3607abbe3..10ed6bd795846 100644 --- a/packages/@aws-cdk/aws-rds/README.md +++ b/packages/@aws-cdk/aws-rds/README.md @@ -63,9 +63,36 @@ new rds.DatabaseClusterFromSnapshot(this, 'Database', { }); ``` +### Updating the database instances in a cluster + +An update of the instances in a database cluster sometimes implies some interruptions. +E.g., if you change the instance class, the corresponding instance must be restarted and is not available during that time. +If you change all instances in a cluster, all instances might get restarted at the same time and basically making your database unavailable for some time. +You can adapt that update behaviour with the `instanceUpdateBehaviour` property. + +The default option, `rds.InstanceUpdateBehaviour.BULK`, does not impose any restrictions on the instance update behaviour. +Thus, a change of instances can lead to downtime of your database cluster. +Alternatively, you can set `instanceUpdateBehaviour` to `rds.InstanceUpdateBehaviour.ROLLING`. +Then CDK makes sure that at most one instance at a time is being updated. +This increases the overall update time but allows to change, e.g., the instance type of the database instances without a downtime caused by restarts of all database instances at the same time. + +```ts +declare const vpc: ec2.Vpc; +const cluster = new rds.DatabaseCluster(this, 'Database', { + engine: rds.DatabaseClusterEngine.auroraMysql({ version: rds.AuroraMysqlEngineVersion.VER_3_01_0 }), + instances: 2, + instanceProps: { + instanceType: ec2.InstanceType.of(ec2.InstanceClass.BURSTABLE3, ec2.InstanceSize.SMALL), + vpc, + }, + // optional, defaults to rds.InstanceUpdateBehaviour.BULK + instanceUpdateBehaviour: rds.InstanceUpdateBehaviour.ROLLING, +}); +``` + ## Starting an instance database -To set up a instance database, define a `DatabaseInstance`. You must +To set up an instance database, define a `DatabaseInstance`. You must always launch a database in a VPC. Use the `vpcSubnets` attribute to control whether your instances will be launched privately or publicly: diff --git a/packages/@aws-cdk/aws-rds/lib/cluster.ts b/packages/@aws-cdk/aws-rds/lib/cluster.ts index 96ded1e61a730..7bfcbbc1565b1 100644 --- a/packages/@aws-cdk/aws-rds/lib/cluster.ts +++ b/packages/@aws-cdk/aws-rds/lib/cluster.ts @@ -41,6 +41,13 @@ interface DatabaseClusterBaseProps { */ readonly instanceProps: InstanceProps; + /** + * The ordering of updates for instances + * + * @default InstanceUpdateBehaviour.BULK + */ + readonly instanceUpdateBehaviour?: InstanceUpdateBehaviour; + /** * The number of seconds to set a cluster's target backtrack window to. * This feature is only supported by the Aurora MySQL database engine and @@ -275,6 +282,25 @@ interface DatabaseClusterBaseProps { readonly copyTagsToSnapshot?: boolean; } +/** + * The orchestration of updates of multiple instances + */ +export enum InstanceUpdateBehaviour { + /** + * In a bulk update, all instances of the cluster are updated at the same time. + * This results in a faster update procedure. + * During the update, however , all instances might be unavailable at the same time and thus a downtime might occur. + */ + BULK = 'BULK', + + /** + * In a rolling update, one instance after another is updated. + * This results in at most one instance being unavailable during the update. + * If your cluster consists of more than 1 instance, the downtime periods are limited to the time a primary switch needs. + */ + ROLLING = 'ROLLING' +} + /** * A new or imported clustered database. */ @@ -805,6 +831,7 @@ interface InstanceConfig { */ function createInstances(cluster: DatabaseClusterNew, props: DatabaseClusterBaseProps, subnetGroup: ISubnetGroup): InstanceConfig { const instanceCount = props.instances != null ? props.instances : 2; + const instanceUpdateBehaviour = props.instanceUpdateBehaviour ?? InstanceUpdateBehaviour.BULK; if (Token.isUnresolved(instanceCount)) { throw new Error('The number of instances an RDS Cluster consists of cannot be provided as a deploy-time only value!'); } @@ -852,6 +879,8 @@ function createInstances(cluster: DatabaseClusterNew, props: DatabaseClusterBase ); const instanceParameterGroupConfig = instanceParameterGroup?.bindToInstance({}); + const instances: CfnDBInstance[] = []; + for (let i = 0; i < instanceCount; i++) { const instanceIndex = i + 1; const instanceIdentifier = props.instanceIdentifierBase != null ? `${props.instanceIdentifierBase}${instanceIndex}` : @@ -895,6 +924,14 @@ function createInstances(cluster: DatabaseClusterNew, props: DatabaseClusterBase instanceIdentifiers.push(instance.ref); instanceEndpoints.push(new Endpoint(instance.attrEndpointAddress, portAttribute)); + instances.push(instance); + } + + // Adding dependencies here to ensure that the instances are updated one after the other. + if (instanceUpdateBehaviour === InstanceUpdateBehaviour.ROLLING) { + for (let i = 1; i < instanceCount; i++) { + instances[i].node.addDependency(instances[i-1]); + } } return { instanceEndpoints, instanceIdentifiers }; diff --git a/packages/@aws-cdk/aws-rds/package.json b/packages/@aws-cdk/aws-rds/package.json index d244aa733c5cd..35cf7600f6ad9 100644 --- a/packages/@aws-cdk/aws-rds/package.json +++ b/packages/@aws-cdk/aws-rds/package.json @@ -86,6 +86,7 @@ "@aws-cdk/cdk-build-tools": "0.0.0", "@aws-cdk/custom-resources": "0.0.0", "@aws-cdk/integ-runner": "0.0.0", + "@aws-cdk/integ-tests": "0.0.0", "@aws-cdk/cfn2ts": "0.0.0", "@aws-cdk/cx-api": "0.0.0", "@aws-cdk/pkglint": "0.0.0", diff --git a/packages/@aws-cdk/aws-rds/test/cluster.test.ts b/packages/@aws-cdk/aws-rds/test/cluster.test.ts index a9ccf4b374182..a52c5e0ee353d 100644 --- a/packages/@aws-cdk/aws-rds/test/cluster.test.ts +++ b/packages/@aws-cdk/aws-rds/test/cluster.test.ts @@ -10,7 +10,7 @@ import * as cxapi from '@aws-cdk/cx-api'; import { AuroraEngineVersion, AuroraMysqlEngineVersion, AuroraPostgresEngineVersion, CfnDBCluster, Credentials, DatabaseCluster, DatabaseClusterEngine, DatabaseClusterFromSnapshot, ParameterGroup, PerformanceInsightRetention, SubnetGroup, DatabaseSecret, - DatabaseInstanceEngine, SqlServerEngineVersion, SnapshotCredentials, + DatabaseInstanceEngine, SqlServerEngineVersion, SnapshotCredentials, InstanceUpdateBehaviour, } from '../lib'; describe('cluster', () => { @@ -122,6 +122,36 @@ describe('cluster', () => { }); }); + test('can create a cluster with ROLLING instance update behaviour', () => { + // GIVEN + const stack = testStack(); + const vpc = new ec2.Vpc(stack, 'VPC'); + + // WHEN + new DatabaseCluster(stack, 'Database', { + engine: DatabaseClusterEngine.AURORA, + instances: 5, + instanceProps: { + vpc, + }, + instanceUpdateBehaviour: InstanceUpdateBehaviour.ROLLING, + }); + + // THEN + const instanceResources = Template.fromStack(stack).findResources('AWS::RDS::DBInstance'); + const instances = Object.keys(instanceResources); + const instanceDependencies = Object.values(instanceResources) + .map(properties => (properties.DependsOn as string[]).filter(dependency => instances.includes(dependency))); + // check that there are only required dependencies to form a chain of dependant instances + for (const dependencies of instanceDependencies) { + expect(dependencies.length).toBeLessThanOrEqual(1); + } + // check that all but one instance are a dependency of another instance + const dependantInstances = instanceDependencies.flat(); + expect(dependantInstances).toHaveLength(instances.length - 1); + expect(instances.filter(it => !dependantInstances.includes(it))).toHaveLength(1); + }); + test('can create a cluster with imported vpc and security group', () => { // GIVEN const stack = testStack(); diff --git a/packages/@aws-cdk/aws-rds/test/integ.rolling-instance-updates.ts b/packages/@aws-cdk/aws-rds/test/integ.rolling-instance-updates.ts new file mode 100644 index 0000000000000..733e5023d56d0 --- /dev/null +++ b/packages/@aws-cdk/aws-rds/test/integ.rolling-instance-updates.ts @@ -0,0 +1,45 @@ +import * as ec2 from '@aws-cdk/aws-ec2'; +import * as cdk from '@aws-cdk/core'; +import * as integTests from '@aws-cdk/integ-tests'; +import * as constructs from 'constructs'; +import * as rds from '../lib'; + +interface RollingInstanceUpdateTestStackProps extends cdk.StackProps { + instanceUpdateBehaviour: rds.InstanceUpdateBehaviour; +} + +class RollingInstanceUpdateTestStack extends cdk.Stack { + constructor(scope: constructs.Construct, id: string, props: RollingInstanceUpdateTestStackProps) { + super(scope, id, props); + const vpc = new ec2.Vpc(this, 'Vpc', { + maxAzs: 2, + }); + + new rds.DatabaseCluster(this, 'DatabaseCluster', { + engine: rds.DatabaseClusterEngine.AURORA, + instances: 3, + instanceProps: { + instanceType: ec2.InstanceType.of(ec2.InstanceClass.BURSTABLE3, ec2.InstanceSize.SMALL), + vpc, + }, + removalPolicy: cdk.RemovalPolicy.DESTROY, + instanceUpdateBehaviour: props.instanceUpdateBehaviour, + }); + } +} + + +// Beginning of the test suite +const app = new cdk.App(); +new integTests.IntegTest(app, 'InstanceUpdateBehaviorTests', { + testCases: [ + new RollingInstanceUpdateTestStack(app, 'BulkUpdate', { + instanceUpdateBehaviour: rds.InstanceUpdateBehaviour.BULK, + }), + new RollingInstanceUpdateTestStack(app, 'RollingUpdate', { + instanceUpdateBehaviour: rds.InstanceUpdateBehaviour.ROLLING, + }), + ], +}); + +app.synth(); diff --git a/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/BulkUpdate.template.json b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/BulkUpdate.template.json new file mode 100644 index 0000000000000..ab1dd31a6289c --- /dev/null +++ b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/BulkUpdate.template.json @@ -0,0 +1,554 @@ +{ + "Resources": { + "Vpc8378EB38": { + "Type": "AWS::EC2::VPC", + "Properties": { + "CidrBlock": "10.0.0.0/16", + "EnableDnsHostnames": true, + "EnableDnsSupport": true, + "InstanceTenancy": "default", + "Tags": [ + { + "Key": "Name", + "Value": "BulkUpdate/Vpc" + } + ] + } + }, + "VpcPublicSubnet1Subnet5C2D37C4": { + "Type": "AWS::EC2::Subnet", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "AvailabilityZone": { + "Fn::Select": [ + 0, + { + "Fn::GetAZs": "" + } + ] + }, + "CidrBlock": "10.0.0.0/18", + "MapPublicIpOnLaunch": true, + "Tags": [ + { + "Key": "aws-cdk:subnet-name", + "Value": "Public" + }, + { + "Key": "aws-cdk:subnet-type", + "Value": "Public" + }, + { + "Key": "Name", + "Value": "BulkUpdate/Vpc/PublicSubnet1" + } + ] + } + }, + "VpcPublicSubnet1RouteTable6C95E38E": { + "Type": "AWS::EC2::RouteTable", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "Tags": [ + { + "Key": "Name", + "Value": "BulkUpdate/Vpc/PublicSubnet1" + } + ] + } + }, + "VpcPublicSubnet1RouteTableAssociation97140677": { + "Type": "AWS::EC2::SubnetRouteTableAssociation", + "Properties": { + "RouteTableId": { + "Ref": "VpcPublicSubnet1RouteTable6C95E38E" + }, + "SubnetId": { + "Ref": "VpcPublicSubnet1Subnet5C2D37C4" + } + } + }, + "VpcPublicSubnet1DefaultRoute3DA9E72A": { + "Type": "AWS::EC2::Route", + "Properties": { + "RouteTableId": { + "Ref": "VpcPublicSubnet1RouteTable6C95E38E" + }, + "DestinationCidrBlock": "0.0.0.0/0", + "GatewayId": { + "Ref": "VpcIGWD7BA715C" + } + }, + "DependsOn": [ + "VpcVPCGWBF912B6E" + ] + }, + "VpcPublicSubnet1EIPD7E02669": { + "Type": "AWS::EC2::EIP", + "Properties": { + "Domain": "vpc", + "Tags": [ + { + "Key": "Name", + "Value": "BulkUpdate/Vpc/PublicSubnet1" + } + ] + } + }, + "VpcPublicSubnet1NATGateway4D7517AA": { + "Type": "AWS::EC2::NatGateway", + "Properties": { + "SubnetId": { + "Ref": "VpcPublicSubnet1Subnet5C2D37C4" + }, + "AllocationId": { + "Fn::GetAtt": [ + "VpcPublicSubnet1EIPD7E02669", + "AllocationId" + ] + }, + "Tags": [ + { + "Key": "Name", + "Value": "BulkUpdate/Vpc/PublicSubnet1" + } + ] + } + }, + "VpcPublicSubnet2Subnet691E08A3": { + "Type": "AWS::EC2::Subnet", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "AvailabilityZone": { + "Fn::Select": [ + 1, + { + "Fn::GetAZs": "" + } + ] + }, + "CidrBlock": "10.0.64.0/18", + "MapPublicIpOnLaunch": true, + "Tags": [ + { + "Key": "aws-cdk:subnet-name", + "Value": "Public" + }, + { + "Key": "aws-cdk:subnet-type", + "Value": "Public" + }, + { + "Key": "Name", + "Value": "BulkUpdate/Vpc/PublicSubnet2" + } + ] + } + }, + "VpcPublicSubnet2RouteTable94F7E489": { + "Type": "AWS::EC2::RouteTable", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "Tags": [ + { + "Key": "Name", + "Value": "BulkUpdate/Vpc/PublicSubnet2" + } + ] + } + }, + "VpcPublicSubnet2RouteTableAssociationDD5762D8": { + "Type": "AWS::EC2::SubnetRouteTableAssociation", + "Properties": { + "RouteTableId": { + "Ref": "VpcPublicSubnet2RouteTable94F7E489" + }, + "SubnetId": { + "Ref": "VpcPublicSubnet2Subnet691E08A3" + } + } + }, + "VpcPublicSubnet2DefaultRoute97F91067": { + "Type": "AWS::EC2::Route", + "Properties": { + "RouteTableId": { + "Ref": "VpcPublicSubnet2RouteTable94F7E489" + }, + "DestinationCidrBlock": "0.0.0.0/0", + "GatewayId": { + "Ref": "VpcIGWD7BA715C" + } + }, + "DependsOn": [ + "VpcVPCGWBF912B6E" + ] + }, + "VpcPublicSubnet2EIP3C605A87": { + "Type": "AWS::EC2::EIP", + "Properties": { + "Domain": "vpc", + "Tags": [ + { + "Key": "Name", + "Value": "BulkUpdate/Vpc/PublicSubnet2" + } + ] + } + }, + "VpcPublicSubnet2NATGateway9182C01D": { + "Type": "AWS::EC2::NatGateway", + "Properties": { + "SubnetId": { + "Ref": "VpcPublicSubnet2Subnet691E08A3" + }, + "AllocationId": { + "Fn::GetAtt": [ + "VpcPublicSubnet2EIP3C605A87", + "AllocationId" + ] + }, + "Tags": [ + { + "Key": "Name", + "Value": "BulkUpdate/Vpc/PublicSubnet2" + } + ] + } + }, + "VpcPrivateSubnet1Subnet536B997A": { + "Type": "AWS::EC2::Subnet", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "AvailabilityZone": { + "Fn::Select": [ + 0, + { + "Fn::GetAZs": "" + } + ] + }, + "CidrBlock": "10.0.128.0/18", + "MapPublicIpOnLaunch": false, + "Tags": [ + { + "Key": "aws-cdk:subnet-name", + "Value": "Private" + }, + { + "Key": "aws-cdk:subnet-type", + "Value": "Private" + }, + { + "Key": "Name", + "Value": "BulkUpdate/Vpc/PrivateSubnet1" + } + ] + } + }, + "VpcPrivateSubnet1RouteTableB2C5B500": { + "Type": "AWS::EC2::RouteTable", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "Tags": [ + { + "Key": "Name", + "Value": "BulkUpdate/Vpc/PrivateSubnet1" + } + ] + } + }, + "VpcPrivateSubnet1RouteTableAssociation70C59FA6": { + "Type": "AWS::EC2::SubnetRouteTableAssociation", + "Properties": { + "RouteTableId": { + "Ref": "VpcPrivateSubnet1RouteTableB2C5B500" + }, + "SubnetId": { + "Ref": "VpcPrivateSubnet1Subnet536B997A" + } + } + }, + "VpcPrivateSubnet1DefaultRouteBE02A9ED": { + "Type": "AWS::EC2::Route", + "Properties": { + "RouteTableId": { + "Ref": "VpcPrivateSubnet1RouteTableB2C5B500" + }, + "DestinationCidrBlock": "0.0.0.0/0", + "NatGatewayId": { + "Ref": "VpcPublicSubnet1NATGateway4D7517AA" + } + } + }, + "VpcPrivateSubnet2Subnet3788AAA1": { + "Type": "AWS::EC2::Subnet", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "AvailabilityZone": { + "Fn::Select": [ + 1, + { + "Fn::GetAZs": "" + } + ] + }, + "CidrBlock": "10.0.192.0/18", + "MapPublicIpOnLaunch": false, + "Tags": [ + { + "Key": "aws-cdk:subnet-name", + "Value": "Private" + }, + { + "Key": "aws-cdk:subnet-type", + "Value": "Private" + }, + { + "Key": "Name", + "Value": "BulkUpdate/Vpc/PrivateSubnet2" + } + ] + } + }, + "VpcPrivateSubnet2RouteTableA678073B": { + "Type": "AWS::EC2::RouteTable", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "Tags": [ + { + "Key": "Name", + "Value": "BulkUpdate/Vpc/PrivateSubnet2" + } + ] + } + }, + "VpcPrivateSubnet2RouteTableAssociationA89CAD56": { + "Type": "AWS::EC2::SubnetRouteTableAssociation", + "Properties": { + "RouteTableId": { + "Ref": "VpcPrivateSubnet2RouteTableA678073B" + }, + "SubnetId": { + "Ref": "VpcPrivateSubnet2Subnet3788AAA1" + } + } + }, + "VpcPrivateSubnet2DefaultRoute060D2087": { + "Type": "AWS::EC2::Route", + "Properties": { + "RouteTableId": { + "Ref": "VpcPrivateSubnet2RouteTableA678073B" + }, + "DestinationCidrBlock": "0.0.0.0/0", + "NatGatewayId": { + "Ref": "VpcPublicSubnet2NATGateway9182C01D" + } + } + }, + "VpcIGWD7BA715C": { + "Type": "AWS::EC2::InternetGateway", + "Properties": { + "Tags": [ + { + "Key": "Name", + "Value": "BulkUpdate/Vpc" + } + ] + } + }, + "VpcVPCGWBF912B6E": { + "Type": "AWS::EC2::VPCGatewayAttachment", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "InternetGatewayId": { + "Ref": "VpcIGWD7BA715C" + } + } + }, + "DatabaseClusterSubnets7FAE1846": { + "Type": "AWS::RDS::DBSubnetGroup", + "Properties": { + "DBSubnetGroupDescription": "Subnets for DatabaseCluster database", + "SubnetIds": [ + { + "Ref": "VpcPrivateSubnet1Subnet536B997A" + }, + { + "Ref": "VpcPrivateSubnet2Subnet3788AAA1" + } + ] + } + }, + "DatabaseClusterSecurityGroupCBE34284": { + "Type": "AWS::EC2::SecurityGroup", + "Properties": { + "GroupDescription": "RDS security group", + "SecurityGroupEgress": [ + { + "CidrIp": "0.0.0.0/0", + "Description": "Allow all outbound traffic by default", + "IpProtocol": "-1" + } + ], + "VpcId": { + "Ref": "Vpc8378EB38" + } + } + }, + "DatabaseClusterSecret3F333A5B": { + "Type": "AWS::SecretsManager::Secret", + "Properties": { + "Description": { + "Fn::Join": [ + "", + [ + "Generated by the CDK for stack: ", + { + "Ref": "AWS::StackName" + } + ] + ] + }, + "GenerateSecretString": { + "ExcludeCharacters": " %+~`#$&*()|[]{}:;<>?!'/@\"\\", + "GenerateStringKey": "password", + "PasswordLength": 30, + "SecretStringTemplate": "{\"username\":\"admin\"}" + } + }, + "UpdateReplacePolicy": "Delete", + "DeletionPolicy": "Delete" + }, + "DatabaseClusterSecretAttachmentB8BF2F7B": { + "Type": "AWS::SecretsManager::SecretTargetAttachment", + "Properties": { + "SecretId": { + "Ref": "DatabaseClusterSecret3F333A5B" + }, + "TargetId": { + "Ref": "DatabaseCluster68FC2945" + }, + "TargetType": "AWS::RDS::DBCluster" + } + }, + "DatabaseCluster68FC2945": { + "Type": "AWS::RDS::DBCluster", + "Properties": { + "Engine": "aurora", + "CopyTagsToSnapshot": true, + "DBSubnetGroupName": { + "Ref": "DatabaseClusterSubnets7FAE1846" + }, + "MasterUsername": { + "Fn::Join": [ + "", + [ + "{{resolve:secretsmanager:", + { + "Ref": "DatabaseClusterSecret3F333A5B" + }, + ":SecretString:username::}}" + ] + ] + }, + "MasterUserPassword": { + "Fn::Join": [ + "", + [ + "{{resolve:secretsmanager:", + { + "Ref": "DatabaseClusterSecret3F333A5B" + }, + ":SecretString:password::}}" + ] + ] + }, + "VpcSecurityGroupIds": [ + { + "Fn::GetAtt": [ + "DatabaseClusterSecurityGroupCBE34284", + "GroupId" + ] + } + ] + }, + "UpdateReplacePolicy": "Delete", + "DeletionPolicy": "Delete" + }, + "DatabaseClusterInstance1C566869D": { + "Type": "AWS::RDS::DBInstance", + "Properties": { + "DBInstanceClass": "db.t3.small", + "DBClusterIdentifier": { + "Ref": "DatabaseCluster68FC2945" + }, + "DBSubnetGroupName": { + "Ref": "DatabaseClusterSubnets7FAE1846" + }, + "Engine": "aurora" + }, + "DependsOn": [ + "VpcPrivateSubnet1DefaultRouteBE02A9ED", + "VpcPrivateSubnet2DefaultRoute060D2087" + ], + "UpdateReplacePolicy": "Delete", + "DeletionPolicy": "Delete" + }, + "DatabaseClusterInstance252BB9A46": { + "Type": "AWS::RDS::DBInstance", + "Properties": { + "DBInstanceClass": "db.t3.small", + "DBClusterIdentifier": { + "Ref": "DatabaseCluster68FC2945" + }, + "DBSubnetGroupName": { + "Ref": "DatabaseClusterSubnets7FAE1846" + }, + "Engine": "aurora" + }, + "DependsOn": [ + "VpcPrivateSubnet1DefaultRouteBE02A9ED", + "VpcPrivateSubnet2DefaultRoute060D2087" + ], + "UpdateReplacePolicy": "Delete", + "DeletionPolicy": "Delete" + }, + "DatabaseClusterInstance3EA629143": { + "Type": "AWS::RDS::DBInstance", + "Properties": { + "DBInstanceClass": "db.t3.small", + "DBClusterIdentifier": { + "Ref": "DatabaseCluster68FC2945" + }, + "DBSubnetGroupName": { + "Ref": "DatabaseClusterSubnets7FAE1846" + }, + "Engine": "aurora" + }, + "DependsOn": [ + "VpcPrivateSubnet1DefaultRouteBE02A9ED", + "VpcPrivateSubnet2DefaultRoute060D2087" + ], + "UpdateReplacePolicy": "Delete", + "DeletionPolicy": "Delete" + } + } +} \ No newline at end of file diff --git a/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/InstanceUpdateBehaviorTestsDefaultTestDeployAssert287956FD.template.json b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/InstanceUpdateBehaviorTestsDefaultTestDeployAssert287956FD.template.json new file mode 100644 index 0000000000000..9e26dfeeb6e64 --- /dev/null +++ b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/InstanceUpdateBehaviorTestsDefaultTestDeployAssert287956FD.template.json @@ -0,0 +1 @@ +{} \ No newline at end of file diff --git a/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/RollingUpdate.template.json b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/RollingUpdate.template.json new file mode 100644 index 0000000000000..1ccb708db074e --- /dev/null +++ b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/RollingUpdate.template.json @@ -0,0 +1,556 @@ +{ + "Resources": { + "Vpc8378EB38": { + "Type": "AWS::EC2::VPC", + "Properties": { + "CidrBlock": "10.0.0.0/16", + "EnableDnsHostnames": true, + "EnableDnsSupport": true, + "InstanceTenancy": "default", + "Tags": [ + { + "Key": "Name", + "Value": "RollingUpdate/Vpc" + } + ] + } + }, + "VpcPublicSubnet1Subnet5C2D37C4": { + "Type": "AWS::EC2::Subnet", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "AvailabilityZone": { + "Fn::Select": [ + 0, + { + "Fn::GetAZs": "" + } + ] + }, + "CidrBlock": "10.0.0.0/18", + "MapPublicIpOnLaunch": true, + "Tags": [ + { + "Key": "aws-cdk:subnet-name", + "Value": "Public" + }, + { + "Key": "aws-cdk:subnet-type", + "Value": "Public" + }, + { + "Key": "Name", + "Value": "RollingUpdate/Vpc/PublicSubnet1" + } + ] + } + }, + "VpcPublicSubnet1RouteTable6C95E38E": { + "Type": "AWS::EC2::RouteTable", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "Tags": [ + { + "Key": "Name", + "Value": "RollingUpdate/Vpc/PublicSubnet1" + } + ] + } + }, + "VpcPublicSubnet1RouteTableAssociation97140677": { + "Type": "AWS::EC2::SubnetRouteTableAssociation", + "Properties": { + "RouteTableId": { + "Ref": "VpcPublicSubnet1RouteTable6C95E38E" + }, + "SubnetId": { + "Ref": "VpcPublicSubnet1Subnet5C2D37C4" + } + } + }, + "VpcPublicSubnet1DefaultRoute3DA9E72A": { + "Type": "AWS::EC2::Route", + "Properties": { + "RouteTableId": { + "Ref": "VpcPublicSubnet1RouteTable6C95E38E" + }, + "DestinationCidrBlock": "0.0.0.0/0", + "GatewayId": { + "Ref": "VpcIGWD7BA715C" + } + }, + "DependsOn": [ + "VpcVPCGWBF912B6E" + ] + }, + "VpcPublicSubnet1EIPD7E02669": { + "Type": "AWS::EC2::EIP", + "Properties": { + "Domain": "vpc", + "Tags": [ + { + "Key": "Name", + "Value": "RollingUpdate/Vpc/PublicSubnet1" + } + ] + } + }, + "VpcPublicSubnet1NATGateway4D7517AA": { + "Type": "AWS::EC2::NatGateway", + "Properties": { + "SubnetId": { + "Ref": "VpcPublicSubnet1Subnet5C2D37C4" + }, + "AllocationId": { + "Fn::GetAtt": [ + "VpcPublicSubnet1EIPD7E02669", + "AllocationId" + ] + }, + "Tags": [ + { + "Key": "Name", + "Value": "RollingUpdate/Vpc/PublicSubnet1" + } + ] + } + }, + "VpcPublicSubnet2Subnet691E08A3": { + "Type": "AWS::EC2::Subnet", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "AvailabilityZone": { + "Fn::Select": [ + 1, + { + "Fn::GetAZs": "" + } + ] + }, + "CidrBlock": "10.0.64.0/18", + "MapPublicIpOnLaunch": true, + "Tags": [ + { + "Key": "aws-cdk:subnet-name", + "Value": "Public" + }, + { + "Key": "aws-cdk:subnet-type", + "Value": "Public" + }, + { + "Key": "Name", + "Value": "RollingUpdate/Vpc/PublicSubnet2" + } + ] + } + }, + "VpcPublicSubnet2RouteTable94F7E489": { + "Type": "AWS::EC2::RouteTable", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "Tags": [ + { + "Key": "Name", + "Value": "RollingUpdate/Vpc/PublicSubnet2" + } + ] + } + }, + "VpcPublicSubnet2RouteTableAssociationDD5762D8": { + "Type": "AWS::EC2::SubnetRouteTableAssociation", + "Properties": { + "RouteTableId": { + "Ref": "VpcPublicSubnet2RouteTable94F7E489" + }, + "SubnetId": { + "Ref": "VpcPublicSubnet2Subnet691E08A3" + } + } + }, + "VpcPublicSubnet2DefaultRoute97F91067": { + "Type": "AWS::EC2::Route", + "Properties": { + "RouteTableId": { + "Ref": "VpcPublicSubnet2RouteTable94F7E489" + }, + "DestinationCidrBlock": "0.0.0.0/0", + "GatewayId": { + "Ref": "VpcIGWD7BA715C" + } + }, + "DependsOn": [ + "VpcVPCGWBF912B6E" + ] + }, + "VpcPublicSubnet2EIP3C605A87": { + "Type": "AWS::EC2::EIP", + "Properties": { + "Domain": "vpc", + "Tags": [ + { + "Key": "Name", + "Value": "RollingUpdate/Vpc/PublicSubnet2" + } + ] + } + }, + "VpcPublicSubnet2NATGateway9182C01D": { + "Type": "AWS::EC2::NatGateway", + "Properties": { + "SubnetId": { + "Ref": "VpcPublicSubnet2Subnet691E08A3" + }, + "AllocationId": { + "Fn::GetAtt": [ + "VpcPublicSubnet2EIP3C605A87", + "AllocationId" + ] + }, + "Tags": [ + { + "Key": "Name", + "Value": "RollingUpdate/Vpc/PublicSubnet2" + } + ] + } + }, + "VpcPrivateSubnet1Subnet536B997A": { + "Type": "AWS::EC2::Subnet", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "AvailabilityZone": { + "Fn::Select": [ + 0, + { + "Fn::GetAZs": "" + } + ] + }, + "CidrBlock": "10.0.128.0/18", + "MapPublicIpOnLaunch": false, + "Tags": [ + { + "Key": "aws-cdk:subnet-name", + "Value": "Private" + }, + { + "Key": "aws-cdk:subnet-type", + "Value": "Private" + }, + { + "Key": "Name", + "Value": "RollingUpdate/Vpc/PrivateSubnet1" + } + ] + } + }, + "VpcPrivateSubnet1RouteTableB2C5B500": { + "Type": "AWS::EC2::RouteTable", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "Tags": [ + { + "Key": "Name", + "Value": "RollingUpdate/Vpc/PrivateSubnet1" + } + ] + } + }, + "VpcPrivateSubnet1RouteTableAssociation70C59FA6": { + "Type": "AWS::EC2::SubnetRouteTableAssociation", + "Properties": { + "RouteTableId": { + "Ref": "VpcPrivateSubnet1RouteTableB2C5B500" + }, + "SubnetId": { + "Ref": "VpcPrivateSubnet1Subnet536B997A" + } + } + }, + "VpcPrivateSubnet1DefaultRouteBE02A9ED": { + "Type": "AWS::EC2::Route", + "Properties": { + "RouteTableId": { + "Ref": "VpcPrivateSubnet1RouteTableB2C5B500" + }, + "DestinationCidrBlock": "0.0.0.0/0", + "NatGatewayId": { + "Ref": "VpcPublicSubnet1NATGateway4D7517AA" + } + } + }, + "VpcPrivateSubnet2Subnet3788AAA1": { + "Type": "AWS::EC2::Subnet", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "AvailabilityZone": { + "Fn::Select": [ + 1, + { + "Fn::GetAZs": "" + } + ] + }, + "CidrBlock": "10.0.192.0/18", + "MapPublicIpOnLaunch": false, + "Tags": [ + { + "Key": "aws-cdk:subnet-name", + "Value": "Private" + }, + { + "Key": "aws-cdk:subnet-type", + "Value": "Private" + }, + { + "Key": "Name", + "Value": "RollingUpdate/Vpc/PrivateSubnet2" + } + ] + } + }, + "VpcPrivateSubnet2RouteTableA678073B": { + "Type": "AWS::EC2::RouteTable", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "Tags": [ + { + "Key": "Name", + "Value": "RollingUpdate/Vpc/PrivateSubnet2" + } + ] + } + }, + "VpcPrivateSubnet2RouteTableAssociationA89CAD56": { + "Type": "AWS::EC2::SubnetRouteTableAssociation", + "Properties": { + "RouteTableId": { + "Ref": "VpcPrivateSubnet2RouteTableA678073B" + }, + "SubnetId": { + "Ref": "VpcPrivateSubnet2Subnet3788AAA1" + } + } + }, + "VpcPrivateSubnet2DefaultRoute060D2087": { + "Type": "AWS::EC2::Route", + "Properties": { + "RouteTableId": { + "Ref": "VpcPrivateSubnet2RouteTableA678073B" + }, + "DestinationCidrBlock": "0.0.0.0/0", + "NatGatewayId": { + "Ref": "VpcPublicSubnet2NATGateway9182C01D" + } + } + }, + "VpcIGWD7BA715C": { + "Type": "AWS::EC2::InternetGateway", + "Properties": { + "Tags": [ + { + "Key": "Name", + "Value": "RollingUpdate/Vpc" + } + ] + } + }, + "VpcVPCGWBF912B6E": { + "Type": "AWS::EC2::VPCGatewayAttachment", + "Properties": { + "VpcId": { + "Ref": "Vpc8378EB38" + }, + "InternetGatewayId": { + "Ref": "VpcIGWD7BA715C" + } + } + }, + "DatabaseClusterSubnets7FAE1846": { + "Type": "AWS::RDS::DBSubnetGroup", + "Properties": { + "DBSubnetGroupDescription": "Subnets for DatabaseCluster database", + "SubnetIds": [ + { + "Ref": "VpcPrivateSubnet1Subnet536B997A" + }, + { + "Ref": "VpcPrivateSubnet2Subnet3788AAA1" + } + ] + } + }, + "DatabaseClusterSecurityGroupCBE34284": { + "Type": "AWS::EC2::SecurityGroup", + "Properties": { + "GroupDescription": "RDS security group", + "SecurityGroupEgress": [ + { + "CidrIp": "0.0.0.0/0", + "Description": "Allow all outbound traffic by default", + "IpProtocol": "-1" + } + ], + "VpcId": { + "Ref": "Vpc8378EB38" + } + } + }, + "DatabaseClusterSecret3F333A5B": { + "Type": "AWS::SecretsManager::Secret", + "Properties": { + "Description": { + "Fn::Join": [ + "", + [ + "Generated by the CDK for stack: ", + { + "Ref": "AWS::StackName" + } + ] + ] + }, + "GenerateSecretString": { + "ExcludeCharacters": " %+~`#$&*()|[]{}:;<>?!'/@\"\\", + "GenerateStringKey": "password", + "PasswordLength": 30, + "SecretStringTemplate": "{\"username\":\"admin\"}" + } + }, + "UpdateReplacePolicy": "Delete", + "DeletionPolicy": "Delete" + }, + "DatabaseClusterSecretAttachmentB8BF2F7B": { + "Type": "AWS::SecretsManager::SecretTargetAttachment", + "Properties": { + "SecretId": { + "Ref": "DatabaseClusterSecret3F333A5B" + }, + "TargetId": { + "Ref": "DatabaseCluster68FC2945" + }, + "TargetType": "AWS::RDS::DBCluster" + } + }, + "DatabaseCluster68FC2945": { + "Type": "AWS::RDS::DBCluster", + "Properties": { + "Engine": "aurora", + "CopyTagsToSnapshot": true, + "DBSubnetGroupName": { + "Ref": "DatabaseClusterSubnets7FAE1846" + }, + "MasterUsername": { + "Fn::Join": [ + "", + [ + "{{resolve:secretsmanager:", + { + "Ref": "DatabaseClusterSecret3F333A5B" + }, + ":SecretString:username::}}" + ] + ] + }, + "MasterUserPassword": { + "Fn::Join": [ + "", + [ + "{{resolve:secretsmanager:", + { + "Ref": "DatabaseClusterSecret3F333A5B" + }, + ":SecretString:password::}}" + ] + ] + }, + "VpcSecurityGroupIds": [ + { + "Fn::GetAtt": [ + "DatabaseClusterSecurityGroupCBE34284", + "GroupId" + ] + } + ] + }, + "UpdateReplacePolicy": "Delete", + "DeletionPolicy": "Delete" + }, + "DatabaseClusterInstance1C566869D": { + "Type": "AWS::RDS::DBInstance", + "Properties": { + "DBInstanceClass": "db.t3.small", + "DBClusterIdentifier": { + "Ref": "DatabaseCluster68FC2945" + }, + "DBSubnetGroupName": { + "Ref": "DatabaseClusterSubnets7FAE1846" + }, + "Engine": "aurora" + }, + "DependsOn": [ + "VpcPrivateSubnet1DefaultRouteBE02A9ED", + "VpcPrivateSubnet2DefaultRoute060D2087" + ], + "UpdateReplacePolicy": "Delete", + "DeletionPolicy": "Delete" + }, + "DatabaseClusterInstance252BB9A46": { + "Type": "AWS::RDS::DBInstance", + "Properties": { + "DBInstanceClass": "db.t3.small", + "DBClusterIdentifier": { + "Ref": "DatabaseCluster68FC2945" + }, + "DBSubnetGroupName": { + "Ref": "DatabaseClusterSubnets7FAE1846" + }, + "Engine": "aurora" + }, + "DependsOn": [ + "DatabaseClusterInstance1C566869D", + "VpcPrivateSubnet1DefaultRouteBE02A9ED", + "VpcPrivateSubnet2DefaultRoute060D2087" + ], + "UpdateReplacePolicy": "Delete", + "DeletionPolicy": "Delete" + }, + "DatabaseClusterInstance3EA629143": { + "Type": "AWS::RDS::DBInstance", + "Properties": { + "DBInstanceClass": "db.t3.small", + "DBClusterIdentifier": { + "Ref": "DatabaseCluster68FC2945" + }, + "DBSubnetGroupName": { + "Ref": "DatabaseClusterSubnets7FAE1846" + }, + "Engine": "aurora" + }, + "DependsOn": [ + "DatabaseClusterInstance252BB9A46", + "VpcPrivateSubnet1DefaultRouteBE02A9ED", + "VpcPrivateSubnet2DefaultRoute060D2087" + ], + "UpdateReplacePolicy": "Delete", + "DeletionPolicy": "Delete" + } + } +} \ No newline at end of file diff --git a/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/cdk.out b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/cdk.out new file mode 100644 index 0000000000000..588d7b269d34f --- /dev/null +++ b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/cdk.out @@ -0,0 +1 @@ +{"version":"20.0.0"} \ No newline at end of file diff --git a/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/integ.json b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/integ.json new file mode 100644 index 0000000000000..29249d2b0f31e --- /dev/null +++ b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/integ.json @@ -0,0 +1,12 @@ +{ + "version": "20.0.0", + "testCases": { + "InstanceUpdateBehaviorTests/DefaultTest": { + "stacks": [ + "BulkUpdate", + "RollingUpdate" + ], + "assertionStack": "InstanceUpdateBehaviorTestsDefaultTestDeployAssert287956FD" + } + } +} \ No newline at end of file diff --git a/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/manifest.json b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/manifest.json new file mode 100644 index 0000000000000..f04d94dc78966 --- /dev/null +++ b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/manifest.json @@ -0,0 +1,414 @@ +{ + "version": "20.0.0", + "artifacts": { + "Tree": { + "type": "cdk:tree", + "properties": { + "file": "tree.json" + } + }, + "BulkUpdate": { + "type": "aws:cloudformation:stack", + "environment": "aws://unknown-account/unknown-region", + "properties": { + "templateFile": "BulkUpdate.template.json", + "validateOnSynth": false + }, + "metadata": { + "/BulkUpdate/Vpc/Resource": [ + { + "type": "aws:cdk:logicalId", + "data": "Vpc8378EB38" + } + ], + "/BulkUpdate/Vpc/PublicSubnet1/Subnet": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet1Subnet5C2D37C4" + } + ], + "/BulkUpdate/Vpc/PublicSubnet1/RouteTable": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet1RouteTable6C95E38E" + } + ], + "/BulkUpdate/Vpc/PublicSubnet1/RouteTableAssociation": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet1RouteTableAssociation97140677" + } + ], + "/BulkUpdate/Vpc/PublicSubnet1/DefaultRoute": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet1DefaultRoute3DA9E72A" + } + ], + "/BulkUpdate/Vpc/PublicSubnet1/EIP": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet1EIPD7E02669" + } + ], + "/BulkUpdate/Vpc/PublicSubnet1/NATGateway": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet1NATGateway4D7517AA" + } + ], + "/BulkUpdate/Vpc/PublicSubnet2/Subnet": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet2Subnet691E08A3" + } + ], + "/BulkUpdate/Vpc/PublicSubnet2/RouteTable": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet2RouteTable94F7E489" + } + ], + "/BulkUpdate/Vpc/PublicSubnet2/RouteTableAssociation": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet2RouteTableAssociationDD5762D8" + } + ], + "/BulkUpdate/Vpc/PublicSubnet2/DefaultRoute": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet2DefaultRoute97F91067" + } + ], + "/BulkUpdate/Vpc/PublicSubnet2/EIP": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet2EIP3C605A87" + } + ], + "/BulkUpdate/Vpc/PublicSubnet2/NATGateway": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet2NATGateway9182C01D" + } + ], + "/BulkUpdate/Vpc/PrivateSubnet1/Subnet": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPrivateSubnet1Subnet536B997A" + } + ], + "/BulkUpdate/Vpc/PrivateSubnet1/RouteTable": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPrivateSubnet1RouteTableB2C5B500" + } + ], + "/BulkUpdate/Vpc/PrivateSubnet1/RouteTableAssociation": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPrivateSubnet1RouteTableAssociation70C59FA6" + } + ], + "/BulkUpdate/Vpc/PrivateSubnet1/DefaultRoute": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPrivateSubnet1DefaultRouteBE02A9ED" + } + ], + "/BulkUpdate/Vpc/PrivateSubnet2/Subnet": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPrivateSubnet2Subnet3788AAA1" + } + ], + "/BulkUpdate/Vpc/PrivateSubnet2/RouteTable": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPrivateSubnet2RouteTableA678073B" + } + ], + "/BulkUpdate/Vpc/PrivateSubnet2/RouteTableAssociation": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPrivateSubnet2RouteTableAssociationA89CAD56" + } + ], + "/BulkUpdate/Vpc/PrivateSubnet2/DefaultRoute": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPrivateSubnet2DefaultRoute060D2087" + } + ], + "/BulkUpdate/Vpc/IGW": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcIGWD7BA715C" + } + ], + "/BulkUpdate/Vpc/VPCGW": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcVPCGWBF912B6E" + } + ], + "/BulkUpdate/DatabaseCluster/Subnets/Default": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseClusterSubnets7FAE1846" + } + ], + "/BulkUpdate/DatabaseCluster/SecurityGroup/Resource": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseClusterSecurityGroupCBE34284" + } + ], + "/BulkUpdate/DatabaseCluster/Secret/Resource": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseClusterSecret3F333A5B" + } + ], + "/BulkUpdate/DatabaseCluster/Secret/Attachment/Resource": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseClusterSecretAttachmentB8BF2F7B" + } + ], + "/BulkUpdate/DatabaseCluster/Resource": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseCluster68FC2945" + } + ], + "/BulkUpdate/DatabaseCluster/Instance1": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseClusterInstance1C566869D" + } + ], + "/BulkUpdate/DatabaseCluster/Instance2": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseClusterInstance252BB9A46" + } + ], + "/BulkUpdate/DatabaseCluster/Instance3": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseClusterInstance3EA629143" + } + ] + }, + "displayName": "BulkUpdate" + }, + "RollingUpdate": { + "type": "aws:cloudformation:stack", + "environment": "aws://unknown-account/unknown-region", + "properties": { + "templateFile": "RollingUpdate.template.json", + "validateOnSynth": false + }, + "metadata": { + "/RollingUpdate/Vpc/Resource": [ + { + "type": "aws:cdk:logicalId", + "data": "Vpc8378EB38" + } + ], + "/RollingUpdate/Vpc/PublicSubnet1/Subnet": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet1Subnet5C2D37C4" + } + ], + "/RollingUpdate/Vpc/PublicSubnet1/RouteTable": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet1RouteTable6C95E38E" + } + ], + "/RollingUpdate/Vpc/PublicSubnet1/RouteTableAssociation": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet1RouteTableAssociation97140677" + } + ], + "/RollingUpdate/Vpc/PublicSubnet1/DefaultRoute": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet1DefaultRoute3DA9E72A" + } + ], + "/RollingUpdate/Vpc/PublicSubnet1/EIP": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet1EIPD7E02669" + } + ], + "/RollingUpdate/Vpc/PublicSubnet1/NATGateway": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet1NATGateway4D7517AA" + } + ], + "/RollingUpdate/Vpc/PublicSubnet2/Subnet": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet2Subnet691E08A3" + } + ], + "/RollingUpdate/Vpc/PublicSubnet2/RouteTable": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet2RouteTable94F7E489" + } + ], + "/RollingUpdate/Vpc/PublicSubnet2/RouteTableAssociation": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet2RouteTableAssociationDD5762D8" + } + ], + "/RollingUpdate/Vpc/PublicSubnet2/DefaultRoute": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet2DefaultRoute97F91067" + } + ], + "/RollingUpdate/Vpc/PublicSubnet2/EIP": [ + { + "type": "aws:cdk:logicalId", + "data": "VpcPublicSubnet2EIP3C605A87" + } + ], + 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], + "/RollingUpdate/DatabaseCluster/Secret/Attachment/Resource": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseClusterSecretAttachmentB8BF2F7B" + } + ], + "/RollingUpdate/DatabaseCluster/Resource": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseCluster68FC2945" + } + ], + "/RollingUpdate/DatabaseCluster/Instance1": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseClusterInstance1C566869D" + } + ], + "/RollingUpdate/DatabaseCluster/Instance2": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseClusterInstance252BB9A46" + } + ], + "/RollingUpdate/DatabaseCluster/Instance3": [ + { + "type": "aws:cdk:logicalId", + "data": "DatabaseClusterInstance3EA629143" + } + ] + }, + "displayName": "RollingUpdate" + }, + "InstanceUpdateBehaviorTestsDefaultTestDeployAssert287956FD": { + "type": "aws:cloudformation:stack", + "environment": "aws://unknown-account/unknown-region", + "properties": { + "templateFile": "InstanceUpdateBehaviorTestsDefaultTestDeployAssert287956FD.template.json", + "validateOnSynth": false + }, + "displayName": "InstanceUpdateBehaviorTests/DefaultTest/DeployAssert" + } + } +} \ No newline at end of file diff --git a/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/tree.json b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/tree.json new file mode 100644 index 0000000000000..468c2cefc448e --- /dev/null +++ b/packages/@aws-cdk/aws-rds/test/rolling-instance-updates.integ.snapshot/tree.json @@ -0,0 +1,1881 @@ +{ + "version": "tree-0.1", + "tree": { + "id": "App", + "path": "", + "children": { + "Tree": { + "id": "Tree", + "path": "Tree", + "constructInfo": { + "fqn": "constructs.Construct", + "version": "10.1.33" + } + }, + "BulkUpdate": { + "id": "BulkUpdate", + "path": "BulkUpdate", + "children": { + "Vpc": { + "id": "Vpc", + "path": "BulkUpdate/Vpc", + "children": { + "Resource": { + "id": "Resource", + "path": "BulkUpdate/Vpc/Resource", + "attributes": { + "aws:cdk:cloudformation:type": "AWS::EC2::VPC", + "aws:cdk:cloudformation:props": { + "cidrBlock": "10.0.0.0/16", + "enableDnsHostnames": true, + "enableDnsSupport": true, + "instanceTenancy": "default", + "tags": [ + { + "key": "Name", + "value": "BulkUpdate/Vpc" + } + ] + } + }, + "constructInfo": { + "fqn": "@aws-cdk/aws-ec2.CfnVPC", + "version": "0.0.0" + } + }, + "PublicSubnet1": { + "id": "PublicSubnet1", + "path": "BulkUpdate/Vpc/PublicSubnet1", + "children": { + "Subnet": { + "id": "Subnet", + "path": "BulkUpdate/Vpc/PublicSubnet1/Subnet", + "attributes": { + "aws:cdk:cloudformation:type": "AWS::EC2::Subnet", + "aws:cdk:cloudformation:props": { + "vpcId": { + "Ref": "Vpc8378EB38" + }, + "availabilityZone": { + "Fn::Select": [ + 0, + { + "Fn::GetAZs": "" + } + ] + }, + "cidrBlock": "10.0.0.0/18", + "mapPublicIpOnLaunch": true, + "tags": [ + { + "key": "aws-cdk:subnet-name", + "value": "Public" + }, + { + "key": "aws-cdk:subnet-type", + "value": "Public" + }, + { + "key": "Name", + "value": "BulkUpdate/Vpc/PublicSubnet1" + } + ] + } + }, + "constructInfo": { + "fqn": "@aws-cdk/aws-ec2.CfnSubnet", + "version": "0.0.0" + } + }, + "Acl": { + "id": "Acl", + "path": "BulkUpdate/Vpc/PublicSubnet1/Acl", + "constructInfo": { + "fqn": "@aws-cdk/core.Resource", + "version": "0.0.0" + } + }, + "RouteTable": { + "id": "RouteTable", + "path": "BulkUpdate/Vpc/PublicSubnet1/RouteTable", + "attributes": { + "aws:cdk:cloudformation:type": "AWS::EC2::RouteTable", + "aws:cdk:cloudformation:props": { + "vpcId": { + "Ref": "Vpc8378EB38" + }, + "tags": [ + { + "key": "Name", + "value": "BulkUpdate/Vpc/PublicSubnet1" + } + ] + } + }, + "constructInfo": { + "fqn": "@aws-cdk/aws-ec2.CfnRouteTable", + "version": "0.0.0" + } + }, + "RouteTableAssociation": { + "id": "RouteTableAssociation", + "path": "BulkUpdate/Vpc/PublicSubnet1/RouteTableAssociation", + "attributes": { + "aws:cdk:cloudformation:type": "AWS::EC2::SubnetRouteTableAssociation", + "aws:cdk:cloudformation:props": { + "routeTableId": { + "Ref": "VpcPublicSubnet1RouteTable6C95E38E" + }, + "subnetId": { + "Ref": "VpcPublicSubnet1Subnet5C2D37C4" + } + } + }, + "constructInfo": { + "fqn": "@aws-cdk/aws-ec2.CfnSubnetRouteTableAssociation", + "version": "0.0.0" + } + }, + "DefaultRoute": { + "id": "DefaultRoute", + "path": "BulkUpdate/Vpc/PublicSubnet1/DefaultRoute", + "attributes": { + "aws:cdk:cloudformation:type": "AWS::EC2::Route", + "aws:cdk:cloudformation:props": { + "routeTableId": { + "Ref": "VpcPublicSubnet1RouteTable6C95E38E" + }, + "destinationCidrBlock": "0.0.0.0/0", + "gatewayId": { + "Ref": "VpcIGWD7BA715C" + } + } + }, + "constructInfo": { + "fqn": "@aws-cdk/aws-ec2.CfnRoute", + "version": "0.0.0" + } + }, + "EIP": { + "id": "EIP", + "path": "BulkUpdate/Vpc/PublicSubnet1/EIP", + "attributes": { + "aws:cdk:cloudformation:type": "AWS::EC2::EIP", + "aws:cdk:cloudformation:props": { + "domain": "vpc", + "tags": [ + { 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":SecretString:password::}}" + ] + ] + }, + "vpcSecurityGroupIds": [ + { + "Fn::GetAtt": [ + "DatabaseClusterSecurityGroupCBE34284", + "GroupId" + ] + } + ] + } + }, + "constructInfo": { + "fqn": "@aws-cdk/aws-rds.CfnDBCluster", + "version": "0.0.0" + } + }, + "Instance1": { + "id": "Instance1", + "path": "RollingUpdate/DatabaseCluster/Instance1", + "attributes": { + "aws:cdk:cloudformation:type": "AWS::RDS::DBInstance", + "aws:cdk:cloudformation:props": { + "dbInstanceClass": "db.t3.small", + "dbClusterIdentifier": { + "Ref": "DatabaseCluster68FC2945" + }, + "dbSubnetGroupName": { + "Ref": "DatabaseClusterSubnets7FAE1846" + }, + "engine": "aurora" + } + }, + "constructInfo": { + "fqn": "@aws-cdk/aws-rds.CfnDBInstance", + "version": "0.0.0" + } + }, + "Instance2": { + "id": "Instance2", + "path": "RollingUpdate/DatabaseCluster/Instance2", + "attributes": { + "aws:cdk:cloudformation:type": "AWS::RDS::DBInstance", + "aws:cdk:cloudformation:props": { + "dbInstanceClass": "db.t3.small", + "dbClusterIdentifier": { + "Ref": "DatabaseCluster68FC2945" + }, + "dbSubnetGroupName": { + "Ref": "DatabaseClusterSubnets7FAE1846" + }, + "engine": "aurora" + } + }, + "constructInfo": { + "fqn": "@aws-cdk/aws-rds.CfnDBInstance", + "version": "0.0.0" + } + }, + "Instance3": { + "id": "Instance3", + "path": "RollingUpdate/DatabaseCluster/Instance3", + "attributes": { + "aws:cdk:cloudformation:type": "AWS::RDS::DBInstance", + "aws:cdk:cloudformation:props": { + "dbInstanceClass": "db.t3.small", + "dbClusterIdentifier": { + "Ref": "DatabaseCluster68FC2945" + }, + "dbSubnetGroupName": { + "Ref": "DatabaseClusterSubnets7FAE1846" + }, + "engine": "aurora" + } + }, + "constructInfo": { + "fqn": "@aws-cdk/aws-rds.CfnDBInstance", + "version": "0.0.0" + } + } + }, + "constructInfo": { + "fqn": "@aws-cdk/aws-rds.DatabaseCluster", + "version": "0.0.0" + } + } + }, + "constructInfo": { + "fqn": "@aws-cdk/core.Stack", + "version": "0.0.0" + } + }, + "InstanceUpdateBehaviorTests": { + "id": "InstanceUpdateBehaviorTests", + "path": "InstanceUpdateBehaviorTests", + "children": { + "DefaultTest": { + "id": "DefaultTest", + "path": "InstanceUpdateBehaviorTests/DefaultTest", + "children": { + "Default": { + "id": "Default", + "path": "InstanceUpdateBehaviorTests/DefaultTest/Default", + "constructInfo": { + "fqn": "constructs.Construct", + "version": "10.1.33" + } + }, + "DeployAssert": { + "id": "DeployAssert", + "path": "InstanceUpdateBehaviorTests/DefaultTest/DeployAssert", + "constructInfo": { + "fqn": "@aws-cdk/core.Stack", + "version": "0.0.0" + } + } + }, + "constructInfo": { + "fqn": "@aws-cdk/integ-tests.IntegTestCase", + "version": "0.0.0" + } + } + }, + "constructInfo": { + "fqn": "@aws-cdk/integ-tests.IntegTest", + "version": "0.0.0" + } + } + }, + "constructInfo": { + "fqn": "@aws-cdk/core.App", + "version": "0.0.0" + } + } +} \ No newline at end of file From 9889e120ea2ede7fa1cedaadfb3bab09f04c2367 Mon Sep 17 00:00:00 2001 From: Kendra Neil <53584728+TheRealAmazonKendra@users.noreply.github.com> Date: Tue, 12 Jul 2022 15:28:15 -0700 Subject: [PATCH 2/3] Update README.md --- packages/@aws-cdk/aws-rds/README.md | 16 +++++----------- 1 file changed, 5 insertions(+), 11 deletions(-) diff --git a/packages/@aws-cdk/aws-rds/README.md b/packages/@aws-cdk/aws-rds/README.md index 10ed6bd795846..bcd41b1aaad41 100644 --- a/packages/@aws-cdk/aws-rds/README.md +++ b/packages/@aws-cdk/aws-rds/README.md @@ -65,16 +65,11 @@ new rds.DatabaseClusterFromSnapshot(this, 'Database', { ### Updating the database instances in a cluster -An update of the instances in a database cluster sometimes implies some interruptions. -E.g., if you change the instance class, the corresponding instance must be restarted and is not available during that time. -If you change all instances in a cluster, all instances might get restarted at the same time and basically making your database unavailable for some time. -You can adapt that update behaviour with the `instanceUpdateBehaviour` property. +Database cluster instances may be updated in bulk or on a rolling basis. -The default option, `rds.InstanceUpdateBehaviour.BULK`, does not impose any restrictions on the instance update behaviour. -Thus, a change of instances can lead to downtime of your database cluster. -Alternatively, you can set `instanceUpdateBehaviour` to `rds.InstanceUpdateBehaviour.ROLLING`. -Then CDK makes sure that at most one instance at a time is being updated. -This increases the overall update time but allows to change, e.g., the instance type of the database instances without a downtime caused by restarts of all database instances at the same time. +An update to all instances in a cluster may cause significant downtime. To reduce the downtime, set the `instanceUpdateBehavior` property in `DatabaseClusterBaseProps` to `InstanceUpdateBehavior.ROLLING`. This adds a dependency between each instance so the update is performed on only one instance at a time. + +Use `InstanceUpdateBehavior.BULK` to update all instances at once. ```ts declare const vpc: ec2.Vpc; @@ -85,8 +80,7 @@ const cluster = new rds.DatabaseCluster(this, 'Database', { instanceType: ec2.InstanceType.of(ec2.InstanceClass.BURSTABLE3, ec2.InstanceSize.SMALL), vpc, }, - // optional, defaults to rds.InstanceUpdateBehaviour.BULK - instanceUpdateBehaviour: rds.InstanceUpdateBehaviour.ROLLING, + instanceUpdateBehaviour: rds.InstanceUpdateBehaviour.ROLLING, // Optional - defaults to rds.InstanceUpdateBehaviour.BULK }); ``` From 8fc0fb8135588f2e071a1615f6b6b22fca118e05 Mon Sep 17 00:00:00 2001 From: Kendra Neil <53584728+TheRealAmazonKendra@users.noreply.github.com> Date: Tue, 12 Jul 2022 15:29:31 -0700 Subject: [PATCH 3/3] typo fix --- packages/@aws-cdk/aws-rds/lib/cluster.ts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/packages/@aws-cdk/aws-rds/lib/cluster.ts b/packages/@aws-cdk/aws-rds/lib/cluster.ts index 7bfcbbc1565b1..f5f6b29ce871d 100644 --- a/packages/@aws-cdk/aws-rds/lib/cluster.ts +++ b/packages/@aws-cdk/aws-rds/lib/cluster.ts @@ -289,7 +289,7 @@ export enum InstanceUpdateBehaviour { /** * In a bulk update, all instances of the cluster are updated at the same time. * This results in a faster update procedure. - * During the update, however , all instances might be unavailable at the same time and thus a downtime might occur. + * During the update, however, all instances might be unavailable at the same time and thus a downtime might occur. */ BULK = 'BULK',