"Error: while checking for key's "" existence: appconfiguration.BaseClient#GetKeyValue: Failure responding to request: StatusCode=400" when upgrading from 3.35.0 to 3.36.0

[Etiennepicard]

Is there an existing issue for this?

• I have searched the existing issues

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Terraform Version

1.3.6

AzureRM Provider Version

3.36.0

Affected Resource(s)/Data Source(s)

azurerm_app_configuration_key

Terraform Configuration Files

resource "azurerm_role_assignment" "app-id-AppConfigurationDataReader-config-appcs" {
  principal_id         = var.app_principal_id
  role_definition_name = "App Configuration Data Reader"
  scope                = var.azure_app_configuration_id
}


resource "azurerm_key_vault_access_policy" "app-keyvault-access" {
  key_vault_id = var.azure_keyvault_id
  tenant_id    = var.tenant_id
  object_id    = var.app_principal_id

  key_permissions = var.have_key_permission_on_keyvault ? [
    "Get",
    "UnwrapKey",
    "WrapKey",
  ] : []

  secret_permissions = [
    "Get"
  ]
}

resource "azurerm_app_configuration_key" "app_kv_configs" {
  for_each = var.kv_configs

  configuration_store_id = var.azure_app_configuration_id

  type         = "kv"
  content_type = ""
  key          = "${var.config_key_prefix}:${each.key}"
  value        = each.value
}

resource "azurerm_app_configuration_key" "app_vault_configs" {
  for_each = var.vault_configs

  configuration_store_id = var.azure_app_configuration_id

  type                = "vault"
  key                 = "${var.config_key_prefix}:${each.key}"
  vault_key_reference = each.value
}

Debug Output/Panic Output

│ Error: while checking for key's "" existence: appconfiguration.BaseClient#GetKeyValue: Failure responding to request: StatusCode=400 -- Original Error: autorest/azure: error response cannot be parsed: {"" '\x00' '\x00'} error: EOF
│
│   with module.app-render-config.azurerm_app_configuration_key.app_vault_configs["CustomerSupportToken:PrimarySecret"],
│   on ..\modules\app_config\config.tf line 35, in resource "azurerm_app_configuration_key" "app_vault_configs":
│   35: resource "azurerm_app_configuration_key" "app_vault_configs" {
│
│ while checking for key's "" existence: appconfiguration.BaseClient#GetKeyValue: Failure responding to request: StatusCode=400 -- Original Error: autorest/azure: error response cannot be parsed: {"" '\x00' '\x00'}  
│ error: EOF

Expected Behaviour

Not to crash

Actual Behaviour

Crash

Steps to Reproduce

Update the hashicorp/azurerm provider from 3.35.0
terraform init -upgrade
terraform plan

Important Factoids

No response

References

No response

[ziyeqf]

Hi @Etiennepicard, thanks for reporting.

there is an existing issue(#19711) for it and fixed in #19722. the fix pr has been merged and will be released in v3.37 soon, you can subscribe it to get notification. Please use v3.35 for now.

For any questions please leave comments

[mybayern1974]

Close for duplicate

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