modules/subscription/main.tf

resource "azapi_resource" "subscription" {
  count = var.subscription_alias_enabled ? 1 : 0

  type = "Microsoft.Subscription/aliases@2021-10-01"
  body = {
    properties = {
      displayName  = var.subscription_display_name
      workload     = var.subscription_workload
      billingScope = var.subscription_billing_scope
      additionalProperties = {
        managementGroupId = var.subscription_management_group_association_enabled ? "/providers/Microsoft.Management/managementGroups/${var.subscription_management_group_id}" : null
        tags              = var.subscription_tags
      }
    }
  }
  name                   = var.subscription_alias_name
  parent_id              = "/"
  response_export_values = ["properties.subscriptionId"]

  lifecycle {
    ignore_changes = [
      body,
      name
    ]
  }
}

resource "terraform_data" "replacement" {
  count = var.subscription_management_group_association_enabled ? 1 : 0

  input = local.is_subscription_associated_to_management_group
}

resource "time_sleep" "wait_for_subscription_before_subscription_operations" {
  count = var.subscription_alias_enabled ? 1 : 0

  create_duration  = var.wait_for_subscription_before_subscription_operations.create
  destroy_duration = var.wait_for_subscription_before_subscription_operations.destroy

  depends_on = [
    azapi_resource.subscription
  ]
}

resource "azapi_resource_action" "subscription_association" {
  count = var.subscription_management_group_association_enabled ? 1 : 0

  resource_id = "/providers/Microsoft.Management/managementGroups/${var.subscription_management_group_id}/subscriptions/${local.subscription_id}"
  type        = "Microsoft.Management/managementGroups/subscriptions@2021-04-01"
  method      = "PUT"

  depends_on = [
    time_sleep.wait_for_subscription_before_subscription_operations
  ]

  lifecycle {
    replace_triggered_by = [terraform_data.replacement]
  }
}

resource "azapi_update_resource" "subscription_tags" {
  count = var.subscription_alias_enabled || var.subscription_update_existing ? 1 : 0

  type = "Microsoft.Resources/tags@2022-09-01"
  body = {
    properties = {
      tags = var.subscription_tags
    }
  }
  resource_id = "/subscriptions/${local.subscription_id}/providers/Microsoft.Resources/tags/default"

  depends_on = [
    time_sleep.wait_for_subscription_before_subscription_operations
  ]
}

resource "azapi_resource_action" "subscription_rename" {
  count = var.subscription_alias_enabled || var.subscription_update_existing ? 1 : 0

  resource_id = "/subscriptions/${local.subscription_id}"
  type        = "Microsoft.Resources/subscriptions@2021-10-01"
  action      = "providers/Microsoft.Subscription/rename"
  body = {
    subscriptionName = var.subscription_display_name
  }
  method = "POST"

  depends_on = [
    time_sleep.wait_for_subscription_before_subscription_operations
  ]
}

resource "azapi_resource_action" "subscription_cancel" {
  count = var.subscription_alias_enabled ? 1 : 0

  resource_id = "/subscriptions/${local.subscription_id}"
  type        = "Microsoft.Resources/subscriptions@2021-10-01"
  action      = "providers/Microsoft.Subscription/cancel"
  method      = "POST"
  when        = "destroy"

  depends_on = [
    time_sleep.wait_for_subscription_before_subscription_operations
  ]
}