Azure Terraform

• https://docs.microsoft.com/en-us/azure/developer/terraform/create-vm-cluster-with-infrastructure
  • new vm linux won't work
  • https://github.com/hashicorp/terraform-provider-azurerm/issues/6117
  • https://github.com/hashicorp/terraform-plugin-sdk/issues/220
  • except changing storage_account_type of disk doesn't work in azure_virtual_machin https://github.com/hashicorp/terraform-provider-azurerm/issues/555
• delete_os_disk_on_deletion = false
  • https://github.com/hashicorp/terraform-provider-azurerm/issues/7365

https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/linux_virtual_machine_scale_set

https://docs.w3cub.com/terraform/providers/azurerm/r/virtual_machine

https://www.reddit.com/r/Terraform/comments/nkpcwx/terraform_vm_is_replaced_in_the_second_run/

https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/linux_virtual_machine_scale_set

Big Bugs/Quirks

• https://github.com/hashicorp/terraform-provider-azurerm/issues/7193

      ~ os_disk {
            name                      = "myhost_disk1_16d4d5c5fde54722bdbbedfb6da62aa1"
          ~ storage_account_type      = "Standard_LRS" -> "StandardSSD_LRS" # forces replacement
            # (3 unchanged attributes hidden)
        }

Quirks Workarounds

• migrate by hand disk
  • https://github.com/hashicorp/terraform-provider-azurerm/issues/8273
  • https://docs.microsoft.com/en-us/azure/virtual-machines/windows/convert-disk-storage

https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/managed_disk

Possibly Useful But Not Tested

https://github.com/Azure/aztfy