所有我要按terraform设置天蓝色的密钥库。有什么方法可以在准备期间而不是准备之后设置键和值。我的要求是，在提供过程中应设置某种客户密钥和值，并在其他模块中使用它。

resource "azurerm_resource_group" "test" {
  name     = "example-resources"
  location = "West Europe"
}

resource "azurerm_storage_account" "test" {
  name                     = "storageaccountname"
  resource_group_name      = "${azurerm_resource_group.test.name}"
  location                 = "${azurerm_resource_group.test.location}"
  account_tier             = "Standard"
  account_replication_type = "GRS"

  tags = {
    environment = "staging"
  }
}
resource "azurerm_resource_group" "test" {
  name     = "${var.azurerm_resource_group_name}"
  location = "${var.location}"
}

resource "azurerm_key_vault" "test" {
  name                        = "${var.azurerm_key_vault}"
  location                    = "${var.location}"
  resource_group_name         = "${var.azurerm_resource_group_name}"
  enabled_for_disk_encryption = true
  tenant_id                   = "${var.tenant_id}"

  sku_name = "standard"

  access_policy {
    tenant_id = "${var.tenant_id}"
    object_id = "${var.object_id}"

    key_permissions = [
      "get",]

    secret_permissions = [
      "get",]

    storage_permissions = [
      "get",]
  }

  network_acls {
    default_action = "Allow"
    bypass         = "AzureServices"
  }

  tags = {
    environment = "${var.tags_environment}"
  }
}
`