问terraform从映射列表中获取索引值

EN

variable "aws_secrets" {
  type = list(
    object({
      aws_secret_id = string,
      vault_path    = string,
      vault_field   = string,
    })
  )
  default = []
}

data "vault_generic_secret" "aws_secrets" {
  for_each = { for idx, val in var.aws_secrets : idx => val }

  path = each.value.vault_path
}

resource "aws_secretsmanager_secret" "aws_secrets" {
  for_each                = { for idx, val in var.aws_secrets : idx => val }
  name                    = "my-secrets"
}

resource "aws_secretsmanager_secret_version" "aws_secrets" {
  for_each      = { for idx, val in var.aws_secrets : idx => val }
  secret_id     = aws_secretsmanager_secret.aws_secrets[each.key].id
  secret_string = jsonencode(data.vault_generic_secret.aws_secrets[2])
}

Error: Invalid index

76:   secret_string = jsonencode(data.vault_generic_secret.aws_secrets[2])
├────────────────
│ data.vault_generic_secret.aws_secrets is object with 1 attribute "0"

The given key does not identify an element in this collection value.}