我一直在嘗試轉換下一張地圖：
變數定義：
variable "users_test" {
type = map(any)
description = "Users List associated to a bucket"
}
變數值：
users_test = {
robot1 = "bucket-a",
robot2 = "bucket-a",
robot3 = "bucket-b",
robot4 = "bucket-c",
robot5 = "bucket-c",
robot6 = "bucket-d",
robot7 = "bucket-d",
robot8 = "bucket-d",
}
變成這樣：
inverted_user_test = {
"bucket-a" => [robot1, robot2],
"bucket-b" => [robot3],
"bucket-c" => [robot4, robot5],
"bucket-d" => [robot6, robot7, robot8],
}
這個想法是對桶值進行分組，以便隨后使用回圈進行迭代for_each。
我嘗試了轉置，但它需要一個字串串列作為輸入：
output "inverted_users_test" {
value = transpose(var.users_test)
}
Error: Invalid function argument
│
│ on buckets_policies.tf line 152, in output "inverted_users_test":
│ 152: value = transpose(var.users_test)
│ ├────────────────
│ │ var.users_test is map of string with 15 elements
│
│ Invalid value for "values" parameter: incorrect map element type: list of string required.
uj5u.com熱心網友回復：
您可以使用運算子撰寫一個for回圈ellipsis (...)：
output "inverted_users_test" {
value = {
for key, value in var.users_test: value => key...
}
}
輸出將是：
inverted_users_test = {
"bucket-a" = [
"robot1",
"robot2",
]
"bucket-b" = [
"robot3",
]
"bucket-c" = [
"robot4",
"robot5",
]
"bucket-d" = [
"robot6",
"robot7",
"robot8",
]
}
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