resource "aws_ec2_transit_gateway" "tgw01" {
  description = "test transit gateway"
  auto_accept_shared_attachments = "enable"
  default_route_table_association = "enable"
  default_route_table_propagation = "enable"
  dns_support = "enable"
  tags = local.default-tags
}

resource "aws_ec2_transit_gateway_vpc_attachment" "tgw-attach" {
  subnet_ids         = module.vpc01.private_subnets
  transit_gateway_id = aws_ec2_transit_gateway.tgw01.id
  vpc_id             = module.vpc01.vpc_id
}

resource "aws_ram_resource_share" "ram-share" {
  name                      = "rslab-dplab"
  allow_external_principals = true
  tags = local.default-tags
}

resource "aws_ram_resource_association" "tg-share" {
  resource_arn       = aws_ec2_transit_gateway.tgw01.arn
  resource_share_arn = aws_ram_resource_share.ram-share.arn
}

resource "aws_ram_principal_association" "ram-invite" {
  principal          = var.tgw-target-account
  resource_share_arn = aws_ram_resource_share.ram-share.arn
}