# Security Groups (instance firewalls) # Controller security group resource "aws_security_group" "controller" { name = "${var.cluster_name}-controller" description = "${var.cluster_name} controller security group" vpc_id = "${aws_vpc.network.id}" tags = "${map("Name", "${var.cluster_name}-controller")}" } resource "aws_security_group_rule" "controller-icmp" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "icmp" from_port = 0 to_port = 0 cidr_blocks = ["0.0.0.0/0"] } resource "aws_security_group_rule" "controller-ssh" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "tcp" from_port = 22 to_port = 22 cidr_blocks = ["0.0.0.0/0"] } resource "aws_security_group_rule" "controller-apiserver" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "tcp" from_port = 443 to_port = 443 cidr_blocks = ["0.0.0.0/0"] } resource "aws_security_group_rule" "controller-etcd" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "tcp" from_port = 2379 to_port = 2380 self = true } resource "aws_security_group_rule" "controller-etcd-metrics" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "tcp" from_port = 2381 to_port = 2381 source_security_group_id = "${aws_security_group.worker.id}" } resource "aws_security_group_rule" "controller-flannel" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "udp" from_port = 8472 to_port = 8472 source_security_group_id = "${aws_security_group.worker.id}" } resource "aws_security_group_rule" "controller-flannel-self" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "udp" from_port = 8472 to_port = 8472 self = true } resource "aws_security_group_rule" "controller-node-exporter" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "tcp" from_port = 9100 to_port = 9100 source_security_group_id = "${aws_security_group.worker.id}" } resource "aws_security_group_rule" "controller-kubelet" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "tcp" from_port = 10250 to_port = 10250 source_security_group_id = "${aws_security_group.worker.id}" } resource "aws_security_group_rule" "controller-kubelet-self" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "tcp" from_port = 10250 to_port = 10250 self = true } resource "aws_security_group_rule" "controller-kubelet-read" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "tcp" from_port = 10255 to_port = 10255 source_security_group_id = "${aws_security_group.worker.id}" } resource "aws_security_group_rule" "controller-kubelet-read-self" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "tcp" from_port = 10255 to_port = 10255 self = true } resource "aws_security_group_rule" "controller-bgp" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "tcp" from_port = 179 to_port = 179 source_security_group_id = "${aws_security_group.worker.id}" } resource "aws_security_group_rule" "controller-bgp-self" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = "tcp" from_port = 179 to_port = 179 self = true } resource "aws_security_group_rule" "controller-ipip" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = 4 from_port = 0 to_port = 0 source_security_group_id = "${aws_security_group.worker.id}" } resource "aws_security_group_rule" "controller-ipip-self" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = 4 from_port = 0 to_port = 0 self = true } resource "aws_security_group_rule" "controller-ipip-legacy" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = 94 from_port = 0 to_port = 0 source_security_group_id = "${aws_security_group.worker.id}" } resource "aws_security_group_rule" "controller-ipip-legacy-self" { security_group_id = "${aws_security_group.controller.id}" type = "ingress" protocol = 94 from_port = 0 to_port = 0 self = true } resource "aws_security_group_rule" "controller-egress" { security_group_id = "${aws_security_group.controller.id}" type = "egress" protocol = "-1" from_port = 0 to_port = 0 cidr_blocks = ["0.0.0.0/0"] ipv6_cidr_blocks = ["::/0"] } # Worker security group resource "aws_security_group" "worker" { name = "${var.cluster_name}-worker" description = "${var.cluster_name} worker security group" vpc_id = "${aws_vpc.network.id}" tags = "${map("Name", "${var.cluster_name}-worker")}" } resource "aws_security_group_rule" "worker-icmp" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "icmp" from_port = 0 to_port = 0 cidr_blocks = ["0.0.0.0/0"] } resource "aws_security_group_rule" "worker-ssh" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "tcp" from_port = 22 to_port = 22 cidr_blocks = ["0.0.0.0/0"] } resource "aws_security_group_rule" "worker-http" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "tcp" from_port = 80 to_port = 80 cidr_blocks = ["0.0.0.0/0"] } resource "aws_security_group_rule" "worker-https" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "tcp" from_port = 443 to_port = 443 cidr_blocks = ["0.0.0.0/0"] } resource "aws_security_group_rule" "worker-flannel" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "udp" from_port = 8472 to_port = 8472 source_security_group_id = "${aws_security_group.controller.id}" } resource "aws_security_group_rule" "worker-flannel-self" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "udp" from_port = 8472 to_port = 8472 self = true } resource "aws_security_group_rule" "worker-node-exporter" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "tcp" from_port = 9100 to_port = 9100 self = true } resource "aws_security_group_rule" "ingress-health" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "tcp" from_port = 10254 to_port = 10254 cidr_blocks = ["0.0.0.0/0"] } resource "aws_security_group_rule" "worker-kubelet" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "tcp" from_port = 10250 to_port = 10250 source_security_group_id = "${aws_security_group.controller.id}" } resource "aws_security_group_rule" "worker-kubelet-self" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "tcp" from_port = 10250 to_port = 10250 self = true } resource "aws_security_group_rule" "worker-kubelet-read" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "tcp" from_port = 10255 to_port = 10255 source_security_group_id = "${aws_security_group.controller.id}" } resource "aws_security_group_rule" "worker-kubelet-read-self" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "tcp" from_port = 10255 to_port = 10255 self = true } resource "aws_security_group_rule" "worker-bgp" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "tcp" from_port = 179 to_port = 179 source_security_group_id = "${aws_security_group.controller.id}" } resource "aws_security_group_rule" "worker-bgp-self" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = "tcp" from_port = 179 to_port = 179 self = true } resource "aws_security_group_rule" "worker-ipip" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = 4 from_port = 0 to_port = 0 source_security_group_id = "${aws_security_group.controller.id}" } resource "aws_security_group_rule" "worker-ipip-self" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = 4 from_port = 0 to_port = 0 self = true } resource "aws_security_group_rule" "worker-ipip-legacy" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = 94 from_port = 0 to_port = 0 source_security_group_id = "${aws_security_group.controller.id}" } resource "aws_security_group_rule" "worker-ipip-legacy-self" { security_group_id = "${aws_security_group.worker.id}" type = "ingress" protocol = 94 from_port = 0 to_port = 0 self = true } resource "aws_security_group_rule" "worker-egress" { security_group_id = "${aws_security_group.worker.id}" type = "egress" protocol = "-1" from_port = 0 to_port = 0 cidr_blocks = ["0.0.0.0/0"] ipv6_cidr_blocks = ["::/0"] }