feat(ecs): enable default capacity provider strategy

[homakk]

feat(aws-cdk):Adding Support for DefaultCapacityProviderStrategy for L2_cluster
A capacity provider strategy determines whether ECS tasks are launched on EC2 instances or Fargate/Fargate Spot. It can be specified at the cluster, service, or task level, and consists of one or more capacity providers. You can specify an optional base and weight value for finer control of how tasks are launched. The base specifies a minimum number of tasks on one capacity provider, and the weights of each capacity provider determine how tasks are distributed after base is satisfied.

You can associate a default capacity provider strategy with an Amazon ECS cluster. After you do this, a default capacity provider strategy is used when creating a service or running a standalone task in the cluster and whenever a custom capacity provider strategy or a launch type isn't specified. We recommend that you define a default capacity provider strategy for each cluster.

For more information visit https://docs.aws.amazon.com/AmazonECS/latest/developerguide/cluster-capacity-providers.html

When the service does not have a capacity provider strategy, the cluster's default capacity provider strategy will be used. Default Capacity Provider Strategy can be added by using the method addDefaultCapacityProviderStrategy. A capacity provider strategy cannot contain a mix of EC2 Autoscaling Group capacity providers and Fargate providers.

declare const capacityProvider: ecs.CapacityProvider;

const cluster = new ecs.Cluster(stack, 'EcsCluster', {
  enableFargateCapacityProviders: true,
});
cluster.addAsgCapacityProvider(capacityProvider);

cluster.addDefaultCapacityProviderStrategy([
  { capacityProvider: 'FARGATE', base: 10, weight: 50 },
  { capacityProvider: 'FARGATE_SPOT', weight: 50 },
]);

declare const capacityProvider: ecs.CapacityProvider;

const cluster = new ecs.Cluster(stack, 'EcsCluster', {
  enableFargateCapacityProviders: true,
});
cluster.addAsgCapacityProvider(capacityProvider);

cluster.addDefaultCapacityProviderStrategy([
  { capacityProvider: capacityProvider.capacityProviderName },
]);

Related #15230
yarn build && yarn test results

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[gitpod-io]

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[bvtujo]

Looks great! Just a few small comments

Pull request has been modified.

[bvtujo]

approved with some tiny nits. Thanks for working through the feedback!

[homakk]

Thank You so much @bvtujo for reviewing my PR with lot of patience and guidance.

[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

Pull request has been modified.

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[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).