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terraformで2重ループする

Last updated at Posted at 2022-09-26

やりたいこと

このような感じで、各リポジトリがさらにユーザーごとに分かれて管理されているようなものを作りたい

vamdemic-k8s/dev/front/test01

サンプル

  • 配列を組み合わせて、その直積を求めることができるsetproductを使うとよい
  • この場合、repositoriy_namesとsubdomain_namesがそれぞれ3つずつなので、9この組み合わせが返される
    https://www.terraform.io/language/functions/setproduct
locals {
  system_name = "vamdemic-k8s"
  region      = "ap-northeast-1"

  repository_names = [
    "front",
    "app",
    "db",
  ]
  subdomain_names = [
    "test01",
    "test02",
    "test03",
  ]
}

for_eachでまわす

resource "aws_ecr_repository" "ecr" {
  for_each             = { for v in setproduct(local.repository_names, local.subdomain_names) : join(",", v) => v }
  name                 = "${local.system_name}/${terraform.workspace}/${each.value[0]}/${each.value[1]}"
  image_tag_mutability = "MUTABLE"
  force_delete         = true

  image_scanning_configuration {
    scan_on_push = true
  }
}

参考

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