ec2: Need G6 EC2 Instance support

[CambioML]

Describe the feature

Need G6 EC2 Instance support

Use Case

Need to provision ECS EC2 while using G6 instance

Proposed Solution

No response

Other Information

No response

Acknowledgements

• I may be able to implement this feature request
• This feature might incur a breaking change

CDK version used

^2.1.0

Environment details (OS name and version, etc.)

mac 14.5

[ashishdhingra]

Per Amazon EC2 instance types, G6 is one of the supported instance types. However, it not an option in InstanceClass. The probable workaround is to use L1 construct.

@CambioML Thanks for bringing this issue into our attention. Feel free to contribute PR to add G6 EC2 instance type.

[pahud]

@CambioML

Before we have a PR to natively support that, you can override the InstanceType like this:

// create a dummy ec2 instance
    const instance = new ec2.Instance(this, 'Instance', {
      machineImage: ec2.MachineImage.latestAmazonLinux2023(),
      instanceType: ec2.InstanceType.of(ec2.InstanceClass.T3, ec2.InstanceSize.SMALL),
      vpc: ec2.Vpc.fromLookup(this, 'Vpc', { isDefault: true }),
    });

   (instance.node.defaultChild as ec2.CfnInstance).addPropertyOverride('InstanceType', 'g6.xlarge');

verify:

% npx cdk synth dummy-stack1 | grep InstanceType
      InstanceType: g6.xlarge

And you will need to specify appropriate AMI as well.

Let me know if it works for you and we welcome any pull requests for this.

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