azure - 将 Terraform Locals 用于列表对象 {type = list(object({}))}

Question

请问如何使用局部变量简化此配置，代码按原样工作正常，但每次手动传递变量都会变得复杂。

变量:

variable "vm_all" {
    type = list(object({}))
    default = [
      {
        name        = "vm1"
        rg  = "rg1"
        sn  = "sn1"
        sn_prefix = ["10.0.1.0/24"]
          },
      {
        name        = "vm2"
        rg  = "rg2"
        sn  = "sn2"
        sn_prefix = ["10.0.2.0/24"]
          },
      {
        name        = "vm3"
        rg  = "rg3"
        sn  = "sn3"
        sn_prefix = ["10.0.3.0/24"]
          }
    ]
    }

使用局部变量进行当前迭代:(需要手动映射变量，如上所示)

resource "example_resource" "resource1" {
    for_each     = {for vm_all in var.vm_all:  vm_all.name => vm_all }
    name         = each.value.name
    rg           = each.value.rg
    sn           = each.value.sn
    sn_prefix    = each.value.sn_prefix
}

所需的传递变量的方法:

 variable "name" {
    default = [
    "vm1",
    "vm2",
    "vm3"
]
 }

 variable "rg_names" {
    default = [
    "rg1",
    "rg2",
    "rg3"
]
 }

variable "subnets" {
    default = [
    "sn1",
    "sn2",
    "sn3"
]
 }

variable "subnet_prefixes" {
    default = [
    "sn_prefix1",
    "sn_prefix2",
    "sn_prefix3"
]
 }

问题:如何以更有效的方式使用局部变量以允许按上面显示的列表传递变量并避免手动映射？

Answer 1

您可以按如下方式组合它们:

locals {
  vm_all = {for idx, name in var.name: 
            name => {
              "name" = name
              rg  = var.rg_names[idx]
              sn  = var.subnets[idx]
              sn_prefix = [var.subnet_prefixes[idx]]
            }
           }
}

然后

resource "example_resource" "resource1" {
    for_each     = local.vm_all
    name         = each.value.name
    rg           = each.value.rg
    sn           = each.value.sn
    sn_prefix    = each.value.sn_prefix
}