Support EC2 rebalancing

[scalp42]

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Description

AWS introduced EC2 rebalancing for ASG, EC2 Fleet and Spot Fleet.

New or Affected Resource(s)

• aws_autoscaling_group
• aws_spot_fleet

References

See: https://aws.amazon.com/about-aws/whats-new/2020/11/introducing-ec2-instance-rebalance-recommendation-for-ec2-spot-instances/

Flag: https://docs.aws.amazon.com/autoscaling/ec2/userguide/capacity-rebalance.html

[ewbankkit]

Requires AWS SDK v1.35.21:

• build(deps): bump github.com/aws/aws-sdk-go from 1.35.19 to 1.35.21 #16021

[ewbankkit]

aws_autoscaling_group

resource "aws_autoscaling_group" "example" {
  capacity_rebalance = true
}

aws_ec2_fleet

resource "aws_ec2_fleet" "example" {
  spot_options {
    maintenance_strategies {
      capacity_rebalance {
        replacement_strategy = "launch"
      }
    }
  }
}

aws_spot_fleet_request

resource "aws_spot_fleet_request" "example" {
  spot_maintenance_strategies {
    capacity_rebalance {
      replacement_strategy = "launch"
    }
  }
}

[isaac88]

Hello @ewbankkit,
Any updates regarding that ?

Thanks

[grigorov]

@ewbankkit #16085 is merged.

[ewbankkit]

A PR to address this is forthcoming. The contributor is waiting on some formalities.

[ghost]

This has been released in version 3.18.0 of the Terraform AWS provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template for triage. Thanks!

[ghost]

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

If you feel this issue should be reopened, we encourage creating a new issue linking back to this one for added context. Thanks!