main.tf

variable "environment" {
  default = "prod"
}

locals {
  prefix_folder = "/environments/${var.environment}"

  folders = {
    accounts : "accounts"
    iam_users : "iam_users"
  }

  yaml_file_filter = "**/*.yaml"
  json_file_filter = "**/*.json"

  config_yaml = { for param, folder in local.folders :
    (param) => merge(flatten([for file in fileset(path.module, join("/", [local.prefix_folder, folder, local.yaml_file_filter])) : [for doc in split("---", file(file)) : yamldecode(doc)]])...)
  }

  config_json = { for param, folder in local.folders :
    (param) => merge(flatten([for file in fileset(path.module, join("/", [local.prefix_folder, folder, local.json_file_filter])) : jsondecode(file(file))])...)
  }

  config = { for param in keys(local.folders) : (param) => merge(local.config_yaml[param], local.config_json[param]) }
}

output "accounts" {
  value = local.config.accounts
}