ec_stack doesn't work for AWS regions

[dhilgarth]

Readiness Checklist

• [x] I am running the latest version
• [x] I checked the documentation and found no answer
• [x] I checked to make sure that this issue has not already been filed -> I found this: https://github.com/elastic/terraform-provider-ec/issues/593, but it's about GCP.
• [x] I am reporting the issue to the correct repository (for multi-repository projects)

Expected Behavior

I expect ec_stack to work with AWS regions. In detail, I expect the sample from your README to work:

data "ec_stack" "latest" {
  version_regex = "latest"
  region        = "us-east-1"
}

Current Behavior

This doesn't work, I get the following error

│ Failed retrieving the specified stack version: api error: 1 error occurred:
│       * root.region_not_found: Region [us-east-1] not found

I've also tried aws-us-east-1, no change.

Terraform definition

terraform {
  required_version = ">= 1.0.0"
  required_providers {
    ec = {
      source  = "elastic/ec"
      version = "~>0.7.0"
    }
  }
}

data "ec_stack" "latest" {
  version_regex = "latest"
  region        = "us-east-1"
}

output "version" {
  value = data.ec_stack.latest.version
}

Steps to Reproduce

1. Put the above Terraform code into main.tf
2. Execute terraform init
3. Execute terraform apply -auto-approve

Context

Needed to create a cluster with the latest available version

Your Environment

• Version used:

  • provider "registry.terraform.io/elastic/ec" -> version = "0.7.0"

• Running against Elastic Cloud SaaS

• Environment name and version (e.g. Go 1.9):

  • go version go1.20.5 windows/amd64

  • terraform version 
    Terraform v1.4.5
    on windows_amd64
    + provider registry.terraform.io/elastic/ec v0.7.0

• Operating System and version: Windows 11

[dhilgarth]

Okay, I figured it out: The reason is that my cloud.elastic account was created from Azure and therefore only allows creating Clusters in Azure. A better error message in that case would've saved me 2 hours, so: feature request :)