azurerm_site_recovery_replicated_vm handles Resource Group in target_capacity_reservation_group_id as case-sensitive

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Terraform Version

1.5.3

AzureRM Provider Version

3.65.0

Affected Resource(s)/Data Source(s)

azurerm_site_recovery_replicated_vm

Terraform Configuration Files

resource "azurerm_site_recovery_replicated_vm" "vm-replication" {
  name                                      = "vm-replication"
  resource_group_name                       = azurerm_resource_group.secondary.name
  recovery_vault_name                       = azurerm_recovery_services_vault.vault.name
  source_recovery_fabric_name               = azurerm_site_recovery_fabric.primary.name
  source_vm_id                              = azurerm_virtual_machine.vm.id
  recovery_replication_policy_id            = azurerm_site_recovery_replication_policy.policy.id
  source_recovery_protection_container_name = azurerm_site_recovery_protection_container.primary.name

  target_resource_group_id                = azurerm_resource_group.secondary.id
  target_recovery_fabric_id               = azurerm_site_recovery_fabric.secondary.id
  target_recovery_protection_container_id = azurerm_site_recovery_protection_container.secondary.id
  target_capacity_reservation_group_id    = data.azapi_resource.example_capacity_group.id

  managed_disk {
    disk_id                    = azurerm_virtual_machine.vm.storage_os_disk[0].managed_disk_id
    staging_storage_account_id = azurerm_storage_account.primary.id
    target_resource_group_id   = azurerm_resource_group.secondary.id
    target_disk_type           = "Premium_LRS"
    target_replica_disk_type   = "Premium_LRS"
  }

  network_interface {
    source_network_interface_id   = azurerm_network_interface.vm.id
    target_subnet_name            = azurerm_subnet.secondary.name
    recovery_public_ip_address_id = azurerm_public_ip.secondary.id
  }

  depends_on = [
    azurerm_site_recovery_protection_container_mapping.container-mapping,
    azurerm_site_recovery_network_mapping.network-mapping,
  ]
}

Debug Output/Panic Output

~ resource "azurerm_site_recovery_replicated_vm" "protected_vm_tf" {
        id                                        = "/subscriptions/xxxxxxxx-xxxx-xxxxxxxxxxxxxxxxxxxxx/resourceGroups/z-ach-a9999-pr01-ns1-01-asr/providers/Microsoft.RecoveryServices/vaults/zacha9999pr01ns1rsv90/replicationFabrics/primary-fabric/replicationProtectionContainers/primary-protection-container/replicationProtectedItems/zachadevtestpr01001"
        name                                      = "zachadevtestpr01001"
      ~ target_capacity_reservation_group_id      = "/subscriptions/xxxxxxxx-xxxx-xxxxxxxxxxxxxxxxxxxxx/resourceGroups/Z-ACH-A9999-PR01-NS1-01-ASR/providers/Microsoft.Compute/capacityReservationGroups/zacha9999pr01ns1asr01" -> "/subscriptions/xxxxxxxx-xxxx-xxxxxxxxxxxxxxxxxxxxx/resourceGroups/z-ach-a9999-pr01-ns1-01-asr/providers/Microsoft.Compute/capacityReservationGroups/zacha9999pr01ns1asr01"
        # (14 unchanged attributes hidden)

        # (1 unchanged block hidden)
    }

Expected Behaviour

No change expected, if target_capacity_reservation_group_id only differs in letter casing (e.g. upper-case). Here this happens from Z-ACH-A9999-PR01-NS1-01-ASR to z-ach-a9999-pr01-ns1-01-asr. Azure documentation says that Resource Group names should be case-insensitive (https://learn.microsoft.com/en-us/azure/azure-resource-manager/management/resource-name-rules#:~:text=Always%20perform%20a%20case%2Dinsensitive%20comparison%20of%20names).

Actual Behaviour

The target CRG was set by a Recovery Plan Runbook (with Get-AzCapacityReservationGroup in upper-case format). If I have a TF run a change is detected, because the azapi (Microsoft.Compute/capacityReservationGroups@2021-11-01) delivers lower-case RG in the ID.

Steps to Reproduce

No response

Important Factoids