Terraform azure-从输出中删除订阅详细信息

Terraform azure-remove subcription details from output

我通过以下方式声明了安全组:

resource "azurerm_network_security_group" "wan" {
  count               = "${var.enable_wan_subnet ? 1 : 0}"
  provider            = "azurerm.base"
  name                = "${format("%s-%s", var.environment_name, "WAN-Subnet-Security-Group")}"
  location            = "${azurerm_resource_group.this.location}"
  resource_group_name = "${azurerm_resource_group.this.name}"

tags = "${
    merge(map("Name", format("%s-%s-%s",var.environment_name,"WAN-Subnets", "Security-Group")), 
    var.tags_global, 
    var.tags_module)
    }"
}

并为该安全组创建了输出:

output "security_groups_id_wan" {
  value = "${azurerm_network_security_group.wan.*.id}"

  depends_on = [
    "azurerm_subnet.wan",
  ]
}

在输出中我得到

实际产量

security_groups_id_wan = [
    /subscriptions/111-222-333-4445/resourceGroups/default_resource_group/providers/Microsoft.Network/networkSecurityGroups/DF-DTAP-WAN-Subnet-Security-Group
]

如何从输出中删除除资源名称 (DF-DTAP-WAN-Subnet-Security-Group) 之外的所有内容

期望输出:

security_groups_id_wan = [
   DF-DTAP-WAN-Subnet-Security-Group
]

你用 "${format("%s-%s", var.environment_name, "WAN-Subnet-Security-Group")}" 自己创建了那个名字,那为什么不直接输出呢?

为了避免重复自己,您可以将其放在本地并在资源和输出中引用它:

locals {
  security_group_name = "${format("%s-%s", var.environment_name, "WAN-Subnet-Security-Group")}"
}

resource "azurerm_network_security_group" "wan" {
  count               = "${var.enable_wan_subnet ? 1 : 0}"
  provider            = "azurerm.base"
  name                = "${local.security_group_name}"
  # ...
}

output "security_groups_id_wan" {
  value = "${local.security_group_name}"
}

请注意,您也不需要 depends_on,因为 a) 它是一个输出,它无论如何都会发生在事情的最后,并且 b) 您已经隐含地依赖于该资源,因为您使用了包含资源的插值。

您可以通过 Hashicorp Learn platform.

阅读更多关于 Terraform 依赖项的信息

您可以只使用 Terraform 函数并像这样更改输出值:

output "security_groups_id_wan" {
  value = "${slice(split("/",azurerm_network_security_group.wan.*.id), length(split("/",azurerm_network_security_group.wan.*.id))-1, length(split("/",azurerm_network_security_group.wan.*.id)))}"

  depends_on = [
    "azurerm_subnet.wan",
  ]
}

有了功能,你可以随心所欲地输出每一个资源。有关详细信息,请参阅 Terraform Supported built-in functions

更新

通过 Terraform 数据和此处模板对现有 NSG 进行的测试:

data "azurerm_network_security_group" "test" {
        name = "azureUbuntu18-nsg"
        resource_group_name = "charles"
}

output "substring" {
        value = "${slice(split("/",data.azurerm_network_security_group.test.id), length(split("/",data.azurerm_network_security_group.test.id))-1, length(split("/",data.azurerm_network_security_group.test.id)))}"
}

结果截图在这里:

除了@Charles Xu 的answer:Had 先将列表转换为字符串

output "subnets_id_wan" {

  value = "${slice(split("/",join(",",azurerm_subnet.wan.*.id)), length(split("/",join(",",azurerm_subnet.wan.*.id)))-1, length(split("/",join(",",azurerm_subnet.wan.*.id))))}"



  depends_on = [
    "azurerm_subnet.wan",
  ]
}