aws_budgets_budget cannot rename budget name

[heycasey]

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Terraform Version

Terraform v0.11.7
+ provider.aws v1.19.0

Affected Resource(s)

• aws_budgets_budget

Terraform Configuration Files

resource "aws_budgets_budget" "account" {
  name = "monthly_5k"
  budget_type = "COST"
  limit_amount = "5000"
  limit_unit = "USD"
  time_period_start = "2018-01-01_00:00"
  time_unit = "MONTHLY"
}

Crash Behavior

Error: Error applying plan:

1 error(s) occurred:

* aws_budgets_budget.account: 1 error(s) occurred:

* aws_budgets_budget.account: update budget failed: NotFoundException: [Exception=NotFoundException]Failed to call UpdateBudget - Unable to get budget: monthly_5k_2 - the budget doesn't exist.
        status code: 400, request id: 9875d75d-5e0f-11e8-ad7a-899141acb82c

Expected Behavior

The budget should be updated to reflect the new name.

Actual Behavior

Crash with the output displayed above.

Steps to Reproduce

• Run terraform apply to create the budget.
• Rename the name argument to anything else. In this case, I renamed it to monthly_5k_2
• Re-run terraform apply

Important Factoids

Given the nature of the CreateBudget and UpdateBudget API behavior, perhaps a budget rename requires the existing resource to be deleted and a new one created?

[saravanan30erd]

@heycasey Correct, name can't be edited and we need to delete and recreate.

[saravanan30erd]

PR submitted #4656

[bflad]

Thanks for this report @heycasey and for the fix @saravanan30erd -- #4656 has been merged and will release with v1.21.0 of the AWS provider, likely middle of next week.

[bflad]

This has been released in version 1.21.0 of the AWS provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

[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!