after upgrade of provider, alias is used even when not needed

[ludimax]

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Terraform Version

1.9.3

AzureRM Provider Version

3.114.0

Affected Resource(s)/Data Source(s)

provider block

Terraform Configuration Files

provider "azurerm" {
  features {}
  storage_use_azuread = true
}

provider "azurerm" {
  alias                      = "az_iaas"
  subscription_id            = local.az_subscription_ids["iaas"]
  storage_use_azuread        = true
  skip_provider_registration = true
  features {}
}

Debug Output/Panic Output

Error: populating Resource Provider cache: listing Resource Providers: loading results: unexpected status 403 (403 Forbidden) with error: AuthorizationFailed: The client '00000000-0000-0000-0000-000000000000' with object id '00000000-0000-0000-0000-000000000000' does not have authorization to perform action 'Microsoft.Resources/subscriptions/providers/read' over scope '/subscriptions/00000000-0000-0000-0000-000000000000' or the scope is invalid. If access was recently granted, please refresh your credentials.
│ 
│   with provider["registry.terraform.io/hashicorp/azurerm"].az_iaas,
│   on providers.tf line 6, in provider "azurerm":
│   14: provider "azurerm" {

Expected Behaviour

This alias not being used, in this case it fails because the identity that does do the actual TF plan, has no permissions on that specific subscription.

Actual Behaviour

Alias is used, in our case wil give an error because there's no permissions to that subscription

Steps to Reproduce

1. Create provider alias
2. Give no permission on the subscription configured in the alias
3. Create no specific resources for that alias
4. It should ignore the provider alias, but it fails

Important Factoids

No response

References

No response

[wozorio]

I am also running into the same issue.

[teowa]

Hi @ludimax , the provider will try to list the resource provider registration in the subscription in order to

1. register certain resource provider , this is controlled by skip_provider_registration inside provider block
2. enable enhanced validation for resource provider, this can be controlled by ARM_PROVIDER_ENHANCED_VALIDATION env variable, which defaults to true

Seems after the PR https://github.com/hashicorp/terraform-provider-azurerm/pull/26630/files#diff-5a6fd8b8e9a3c349fc532826972d39b180350c4b1f5c9cf4c5b9e0bb31afec21R27, list resource provider only skips if RP registration and enhanced validation are not both disabled, so in conclusion, you need to set both skip_provider_registration=false and the env variable ARM_PROVIDER_ENHANCED_VALIDATION=false to avoid this error.

But you mentioned the provider alias az_iaas is not used, I suggest to comment or remove the provider block from Terraform config file.

Thanks.

[websolut]

I do not think adding an env variable is a sensible solution but rather a costly workaround. I suppose there is a good reason that var's default value is set to TRUE and have been working for all us for many years.