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feat(ec2): support throughput on LaunchTemplate EBS volumes
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This support was simply not included in ec2 when it was added to
autoscaling in aws#22441. I have copied that PR's implementation
implementation to ec2 and similarly adapted its tests.

Fixes aws#24341.
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isker committed Aug 1, 2024
1 parent 439feaf commit 8cd144f
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Expand Up @@ -159,6 +159,16 @@
"Type": "AWS::EC2::LaunchTemplate",
"Properties": {
"LaunchTemplateData": {
"BlockDeviceMappings": [
{
"DeviceName": "/dev/xvda",
"Ebs": {
"Throughput": 250,
"VolumeSize": 15,
"VolumeType": "gp3"
}
}
],
"MetadataOptions": {
"HttpEndpoint": "enabled",
"HttpProtocolIpv6": "enabled",
Expand Down Expand Up @@ -211,8 +221,7 @@
}
]
}
],
"VersionDescription": "test template v1"
]
}
},
"sg2860DD91F": {
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Expand Up @@ -23,6 +23,13 @@ const lt = new ec2.LaunchTemplate(stack, 'LT', {
httpTokens: ec2.LaunchTemplateHttpTokens.REQUIRED,
instanceMetadataTags: true,
securityGroup: sg1,
blockDevices: [{
deviceName: '/dev/xvda',
volume: ec2.BlockDeviceVolume.ebs(15, {
volumeType: ec2.EbsDeviceVolumeType.GP3,
throughput: 250,
}),
}],
});

const sg2 = new ec2.SecurityGroup(stack, 'sg2', {
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27 changes: 27 additions & 0 deletions packages/aws-cdk-lib/aws-ec2/README.md
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Expand Up @@ -1603,6 +1603,33 @@ new ec2.Instance(this, 'Instance', {

```

To specify the throughput value for `gp3` volumes, use the `throughput` property:

```ts
declare const vpc: ec2.Vpc;
declare const instanceType: ec2.InstanceType;
declare const machineImage: ec2.IMachineImage;

const kmsKey = new Key(this, 'KmsKey')

new ec2.Instance(this, 'Instance', {
vpc,
instanceType,
machineImage,

// ...

blockDevices: [
{
deviceName: '/dev/sda1',
volume: ec2.BlockDeviceVolume.ebs(100, {
volumeType: ec2.EbsDeviceVolumeType.GP3,
throughput: 250,
}),
},
],
});

#### EBS Optimized Instances

An Amazon EBSoptimized instance uses an optimized configuration stack and provides additional, dedicated capacity for Amazon EBS I/O. This optimization provides the best performance for your EBS volumes by minimizing contention between Amazon EBS I/O and other traffic from your instance.
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