Add support for `dualStackIPv6` ECS account setting

[diogoazevedos]

Describe the feature

Add support for dualStackIPv6 ECS account setting.

Use Case

Enable dualStackIPv6 using Terraform aws_ecs_account_setting_default.

Proposed Solution

I think it's matter of adding the dualStackIPv6 to:

aws-sdk-go-v2/service/ecs/types/enums.go

Lines 970 to 999 in 31c2861

	// Enum values for SettingName
	const (
	SettingNameServiceLongArnFormat SettingName = "serviceLongArnFormat"
	SettingNameTaskLongArnFormat SettingName = "taskLongArnFormat"
	SettingNameContainerInstanceLongArnFormat SettingName = "containerInstanceLongArnFormat"
	SettingNameAwsvpcTrunking SettingName = "awsvpcTrunking"
	SettingNameContainerInsights SettingName = "containerInsights"
	SettingNameFargateFipsMode SettingName = "fargateFIPSMode"
	SettingNameTagResourceAuthorization SettingName = "tagResourceAuthorization"
	SettingNameFargateTaskRetirementWaitPeriod SettingName = "fargateTaskRetirementWaitPeriod"
	SettingNameGuardDutyActivate SettingName = "guardDutyActivate"
	)
	// Values returns all known values for SettingName. Note that this can be expanded
	// in the future, and so it is only as up to date as the client.
	//
	// The ordering of this slice is not guaranteed to be stable across updates.
	func (SettingName) Values() []SettingName {
	return []SettingName{
	"serviceLongArnFormat",
	"taskLongArnFormat",
	"containerInstanceLongArnFormat",
	"awsvpcTrunking",
	"containerInsights",
	"fargateFIPSMode",
	"tagResourceAuthorization",
	"fargateTaskRetirementWaitPeriod",
	"guardDutyActivate",
	}
	}

Other Information

No response

Acknowledgements

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

AWS Go SDK V2 Module Versions Used

None

Go version used

1.23.0

[bhavya2109sharma]

Hello @diogoazevedos

I've looked into your issue and can confirm that the enum is not being correctly modeled by the service team. This has also been reported by other SDK customers.

There is an existing internal ticket (P146481495) with the EC2 service team to update their model with the missing enum. Since the AWS SDKs are code-generated from these API models, the SDK team cannot add the missing enum directly. The service team will need to make the change on the backend.

As a workaround, you can directly pass the string value instead of using the enum. This is already documented here, so you can use the string value and it should work as expected.

Since this is a duplicate, Im going to close this issue and ask you to track the existing one for updates.

Thanks
~Bhavya

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