aws-ecs: Enable Ephemeral storage encryption in ECS Cluster L2 construct

[jaecktec]

Describe the feature

Add properties to L2 ecs CLuster construct to support ephemeral storage configuration

Use Case

Right now to enable this feature I need to edit the L1 construct like this:

const cfnCluster = cluster.node.defaultChild as CfnCluster;
cfnCluster.configuration = {
  ...cfnCluster.configuration,
  managedStorageConfiguration: {
    ...cfnCluster.configuration,
    fargateEphemeralStorageKmsKeyId: key.keyId,
  },
};

and adjusting the key policy according to the developer guide.

Proposed Solution

L2 Construct should support setting the new feature of ephermal storage encryption which adds the keys + updates the key policy

Other Information

Developer Guide: https://docs.aws.amazon.com/AmazonECS/latest/developerguide/fargate-create-storage-key.html
Ephemeral Storage Encryption: https://docs.aws.amazon.com/AmazonECS/latest/developerguide/fargate-storage-encryption.html

Acknowledgements

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

CDK version used

2.147.0

Environment details (OS name and version, etc.)

[ashishdhingra]

@jaecktec Thanks for submitting feature request and nominating to submit a PR.

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