data "aws_iam_policy_document" "swf_feed_ingestion_build_role_policy" {
  statement {
    effect = "Allow"
    principals {
      type        = "AWS"
      identifiers = var.swf_feed_ingestion_build_role_allowed_entities
    }
    actions = ["sts:AssumeRole"]
  }
}

resource "aws_iam_role" "swf_feed_ingestion_build_role" {
  name               = var.swf_feed_ingestion_build_role
  description        = "Allows Access to AWS services required to build swf-feed-ingestion."
  assume_role_policy = data.aws_iam_policy_document.swf_feed_ingestion_build_role_policy.json
}

resource "aws_iam_role_policy_attachment" "swf_feed_ingestion_build_role_policy_attachments" {
  for_each   = toset(var.swf_feed_ingestion_build_role_attached_policies)
  role       = aws_iam_role.swf_feed_ingestion_build_role.name
  policy_arn = "arn:aws:iam::${data.aws_caller_identity.current.account_id}:policy/${each.value}"
}