xdr-terraform-modules/base/teleport-single-instance/security-groups.tf

# Rather than pass in the aws security group, we just look it up. This will
# probably be useful other places, as well.
data "aws_security_group" "typical-host" {
  name   = "typical-host"
  vpc_id = var.vpc_id
}

resource "aws_security_group" "instance" {
  name = "instance-${var.instance_name}"
  description = "Instances of type ${var.instance_name}"
  vpc_id = var.vpc_id
  tags = merge(var.standard_tags, var.tags)
}

resource "aws_security_group_rule" "instance-http-in" {
  description = "HTTP in - used for letsencrypt certbot"
  type = "ingress"
  from_port = "80"
  to_port = "80"
  protocol = "tcp"
  cidr_blocks = [ "0.0.0.0/0" ]
  security_group_id = aws_security_group.instance.id
}

resource "aws_security_group_rule" "instance-teleport-in" {
  description = "Teleport"
  type = "ingress"
  from_port = "3023"
  to_port = "3025"
  protocol = "tcp"
  cidr_blocks = [ "10.0.0.0/8" ]
  security_group_id = aws_security_group.instance.id
}

resource "aws_security_group_rule" "instance-teleport-proxy-in" {
  description = "Teleport - Proxy web server"
  type = "ingress"
  from_port = "3080"
  to_port = "3080"
  protocol = "tcp"
  cidr_blocks = [ "0.0.0.0/0" ]
  security_group_id = aws_security_group.instance.id
}