Terraform instrumentation to enable teardown

terraform-runid-variable.tf

# variables.tf
variable resource_suffix {
  description  = "The suffix to put at the end of resource names created"
  default      = "" # Empty string triggers a random suffix
}
variable run_id {
  type         = string
  default      = ""
}

# main.tf
# Random resource suffix, this will prevent name collisions when creating resources in parallel
resource random_string suffix {
  length                       = 4
  upper                        = false
  lower                        = true
  number                       = false
  special                      = false
}
locals {
  suffix                       = var.resource_suffix != "" ? lower(var.resource_suffix) : random_string.suffix.result  
  tags                         = map(
    "provisioner",               "terraform",
    "repository",                "terraform-demo",
    "runid",                     var.run_id,
    "workspace",                 terraform.workspace
  )
}

resource azurerm_resource_group synapse {
  name                         = "terraform-demo-${terraform.workspace}-${local.suffix}"
  location                     = "westeurope"
  tags                         = local.tags
}