xdr-terraform-modules/base/keycloak/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
}

data "aws_security_group" "aws_endpoints" {
  name   = "aws_endpoints"
  vpc_id = var.vpc_id
}

# For now, opening everything:
#   ajp port: 8009
#   http: 8080
#   https: 8443
#   mgmt-http: 9990
#   mgmt-https: 9993
#   txn-recovery-environment: 4712
#   txn-status-manager: 4713
#
#   Also opening 80 and 443 for certbot

resource "aws_security_group" "instance" {
  name = "Keycloak"
  description = "Keycloak Instances"
  vpc_id = var.vpc_id
  tags = merge(var.standard_tags, var.tags)
}

resource "aws_security_group_rule" "cluster-connectivity-ingress" {
  description = "Receive any from other cluster members"
  type = "ingress"
  from_port = -1
  to_port = -1
  protocol = -1
  security_group_id = aws_security_group.instance.id
  source_security_group_id = aws_security_group.instance.id
}

resource "aws_security_group_rule" "cluster-connectivity-egress" {
  description = "send any to other cluster members"
  type = "egress"
  from_port = -1
  to_port = -1
  protocol = -1
  security_group_id = aws_security_group.instance.id
  source_security_group_id = aws_security_group.instance.id
}


#resource "aws_security_group_rule" "instance-http-in" {
#  description = ""
#  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-https-in" {
#  description = ""
#  type = "ingress"
#  from_port = "443"
#  to_port = "443"
#  protocol = "tcp"
#  cidr_blocks = [ "0.0.0.0/0" ]
#  security_group_id = aws_security_group.instance.id
#}
#
#resource "aws_security_group_rule" "instance-ajp-in" {
#  description = ""
#  type = "ingress"
#  from_port = "8009"
#  to_port = "8009"
#  protocol = "tcp"
#  cidr_blocks = [ "0.0.0.0/0" ]
#  security_group_id = aws_security_group.instance.id
#}

resource "aws_security_group_rule" "instance-alt-http-in-from-access" {
  description = "Alt HTTP from access"
  type = "ingress"
  from_port = "8080"
  to_port = "8080"
  protocol = "tcp"
  cidr_blocks = var.cidr_map["vpc-access"]
  security_group_id = aws_security_group.instance.id
}

resource "aws_security_group_rule" "instance-alt-http-in-from-elb" {
  description = "Alt HTTP from ELB"
  type = "ingress"
  from_port = "8080"
  to_port = "8080"
  protocol = "tcp"
  security_group_id = aws_security_group.instance.id
  source_security_group_id = aws_security_group.elb_external.id
}

resource "aws_security_group_rule" "instance-alt-https-in-from-access" {
  description = "Alt HTTPS from Access"
  type = "ingress"
  from_port = "8443"
  to_port = "8443"
  protocol = "tcp"
  cidr_blocks = var.cidr_map["vpc-access"]
  security_group_id = aws_security_group.instance.id
}

resource "aws_security_group_rule" "instance-alt-https-in-from-elb" {
  description = "Alt HTTPS from ELB"
  type = "ingress"
  from_port = "8443"
  to_port = "8443"
  protocol = "tcp"
  security_group_id = aws_security_group.instance.id
  source_security_group_id = aws_security_group.elb_external.id
}

resource "aws_security_group_rule" "instance-db-outbound" {
  description = "Postgres Outbound"
  type = "egress"
  from_port = "5432"
  to_port = "5432"
  protocol = "tcp"
  security_group_id = aws_security_group.instance.id
  source_security_group_id = data.aws_security_group.aws_endpoints.id
}


#resource "aws_security_group_rule" "instance-mgmt-http-in" {
#  description = ""
#  type = "ingress"
#  from_port = "9990"
#  to_port = "9990"
#  protocol = "tcp"
#  cidr_blocks = [ "0.0.0.0/0" ]
#  security_group_id = aws_security_group.instance.id
#}
#
#resource "aws_security_group_rule" "instance-mgmt-https-in" {
#  description = ""
#  type = "ingress"
#  from_port = "9993"
#  to_port = "9993"
#  protocol = "tcp"
#  cidr_blocks = [ "0.0.0.0/0" ]
#  security_group_id = aws_security_group.instance.id
#}
#
#resource "aws_security_group_rule" "instance-txn-in" {
#  description = ""
#  type = "ingress"
#  from_port = "4712"
#  to_port = "4713"
#  protocol = "tcp"
#  cidr_blocks = [ "0.0.0.0/0" ]
#  security_group_id = aws_security_group.instance.id
#}
#
## lock down before production, but I couldn't get letsencrypt to work with the proxy
#resource "aws_security_group_rule" "instance-all-out" {
#  description = ""
#  type = "egress"
#  from_port = "-1"
#  to_port = "-1"
#  protocol = "-1"
#  cidr_blocks = [ "0.0.0.0/0" ]
#  security_group_id = aws_security_group.instance.id
#}