terraform-provider-azuread: Error Waiting for the Azure CLI - Error Parsing JSON Result

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Terraform (and AzureAD Provider) Version

vault-identity1[develop !?]$ terraform -v
Terraform v0.13.5
+ provider registry.terraform.io/hashicorp/azuread v1.0.0
vault-identity[develop !?]$ 

Affected Resource(s)

• provider "azuread"

Terraform Configuration Files

This can be reproduced with only 2 files:

backends.tf

# Using multiple workspaces:
terraform {
  backend "remote" {
    hostname = "app.terraform.io"
    organization = "my-company"

    workspaces {
      prefix = "vault-identity-"
    }
  }
}

providers.tf

# Configure the Azure AD Provider
provider "azuread" {
  version = "~> 1.0.0"

  # NOTE: This relies on authentication via the Azure CLI.
  # see here for more info: https://terraform.io/docs/providers/azuread/

  tenant_id = "4c69d615-9554-4839-8aac-07898be2c4ac"
}

# Retrieve domain information
data "azuread_domains" "maindomain" {
  only_initial = true
}

The error I run into, after successful authentication with az login --tenant $TENANT_ID, is as follows:

vault-identity[develop !?]$ terraform plan azure-ad-oidc
Refreshing Terraform state in-memory prior to plan...
The refreshed state will be used to calculate this plan, but will not be
persisted to local or remote state storage.


Error: building AzureAD Client: obtain subscription(a0496e39-63e6-4ab6-a1e1-2cdbc77582d2) from Azure CLI: Error parsing json result from the Azure CLI: Error waiting for the Azure CLI: exit status 1

  on azure-ad-oidc/providers.tf line 2, in provider "azuread":
   2: provider "azuread" {

The above output reflects running this with local execution, but I also got stuck on the same crap when I tried remote execution.

I mean, a parsing error? What is that supposed to mean? Is there any way I could even see what it was even trying to parse?

Please refer to this forum post, too: https://discuss.hashicorp.com/t/error-building-azuread-client-obtain-subscription-error-waiting-for-the-azure-cli/16694

Debug Output

https://gist.github.com/v6/e7a8e88901c2d50968fb3443bff6bb99

Expected Behavior

Terraform should have succeeded, or at least shown the JSON that it supposedly cannot parse.

Actual Behavior

Got some vague or misleading error about JSON.

Steps to Reproduce

Run terraform plan with the provided configuration.

Important Factoids

This seems to rely heavily on the azure CLI.

References

• https://discuss.hashicorp.com/t/error-building-azuread-client-obtain-subscription-error-waiting-for-the-azure-cli/16694