app_configuration_key should detect the parent app_configuration has been deleted

[jwefers]

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Terraform (and AzureRM Provider) Version

Terraform v1.1.1
on linux_amd64

• provider registry.terraform.io/hashicorp/azurerm v2.89.0

Affected Resource(s)

• azurerm_app_configuration_key
• (azurerm_key_vault_secret)

Description

When deleting a parent resources outside of TF and TF declares also child resources under this parent, a newly run tf plan causes 404 errors for each child resources.
Top level resources are handled fine in that scenario, TF handles the external deletion and would rectify it by recreation of said resources. The same should, in general, hold true for child resources. Currently it does not.

This also affects key vault secrets and probably some other types, but those are the two i encounter regularly.

I know that in some cases, it cannot be distinguished between the resource being gone or firewall/permissions keep TF from refreshing. This should be influenced by provider feature flags.

Expected Behaviour

E.g. Azure App Config: I delete the whole Config Resource manually. I run TF plan and tf plan recognizes it as an external change and would recreate the App Config and all declared App Config Keys within.

Actual Behaviour

tf plan fails:

with azurerm_app_configuration_key.example,
│ on example.tf line xy, in resource "azurerm_app_configuration_key" "example":
│ xz: resource "azurerm_app_configuration_key" "example" {
│
│ configurationstores.ConfigurationStoresClient#Get: Failure responding to request: StatusCode=404 -- Original Error: autorest/azure: Service returned an error. Status=404 Code="ResourceNotFound"
│ Message="The Resource 'Microsoft.AppConfiguration/configurationStores/example' under resource group 'example' was not found. For more details please go to
│ https://aka.ms/ARMResourceNotFoundFix"

Workaround

tf state rm for the child resources

[github-actions]

This functionality has been released in v3.0.0 of the Terraform Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

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