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add network L4 loadbalancer (NLB) to cluster and services for TCP/UDP #317

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Jun 11, 2024
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add network L4 loadbalancer (NLB) to cluster and services for TCP/UDP #317

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183 changes: 183 additions & 0 deletions eks/eks-blue/nlb.tf
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Original file line number Diff line number Diff line change
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resource "aws_lb" "nlb" {
name = "${var.environment_name}-nlb"
internal = false
load_balancer_type = "network"
subnets = module.eks_cluster.vpc_public_subnets

tags = {
Name = "${var.environment_name}-nlb"
}
}

# Define target groups and listeners for TCP ports
locals {
tcp_ports = [30333, 30433, 30334, 40333, 30533]
}

resource "aws_lb_target_group" "tg_tcp" {
count = length(local.tcp_ports)

name = "${var.environment_name}-tg-tcp-${local.tcp_ports[count.index]}"
port = local.tcp_ports[count.index]
protocol = "TCP"
vpc_id = module.eks_cluster.vpc_id

health_check {
enabled = true
interval = 30
port = local.tcp_ports[count.index] # Use the same port for health checks
protocol = "TCP"
timeout = 5
healthy_threshold = 2
unhealthy_threshold = 2
}

tags = {
Name = "${var.environment_name}-tg-tcp-${local.tcp_ports[count.index]}"
}
}

resource "aws_lb_listener" "nlb_listener_tcp" {
count = length(local.tcp_ports)

load_balancer_arn = aws_lb.nlb.arn
port = local.tcp_ports[count.index]
protocol = "TCP"

default_action {
type = "forward"
target_group_arn = aws_lb_target_group.tg_tcp[count.index].arn
}
}

# Define target groups and listeners for UDP ports
locals {
udp_ports = [30333, 30433, 30334, 30533]
}

resource "aws_lb_target_group" "tg_udp" {
count = length(local.udp_ports)

name = "${var.environment_name}-tg-udp-${local.udp_ports[count.index]}"
port = local.udp_ports[count.index]
protocol = "UDP"
vpc_id = module.eks_cluster.vpc_id

health_check {
enabled = false # UDP health checks are not supported
}

tags = {
Name = "${var.environment_name}-tg-udp-${local.udp_ports[count.index]}"
}
}

resource "aws_lb_listener" "nlb_listener_udp" {
count = length(local.udp_ports)

load_balancer_arn = aws_lb.nlb.arn
port = local.udp_ports[count.index]
protocol = "UDP"

default_action {
type = "forward"
target_group_arn = aws_lb_target_group.tg_udp[count.index].arn
}
}

# Define security group rules for EKS cluster
resource "aws_security_group" "eks_security_group_network" {
name = "${var.environment_name}-eks-sg-network"
description = "Security group for EKS cluster"
vpc_id = module.eks_cluster.vpc_id

ingress {
description = "Node Port 30333 for VPC"
from_port = 30333
to_port = 30333
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Node Port 30433 for VPC"
from_port = 30433
to_port = 30433
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Node Port 30334 Domain port for VPC"
from_port = 30334
to_port = 30334
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Domain Operator Node Port 40333 for VPC"
from_port = 40333
to_port = 40333
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Farmer Port 30533 for VPC"
from_port = 30533
to_port = 30533
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Node UDP Port 30333 for VPC"
from_port = 30333
to_port = 30333
protocol = "udp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Node UDP Port 30433 for VPC"
from_port = 30433
to_port = 30433
protocol = "udp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Node UDP Port 30334 Domain port for VPC"
from_port = 30334
to_port = 30334
protocol = "udp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Farmer UDP Port 30533 for VPC"
from_port = 30533
to_port = 30533
protocol = "udp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

egress {
description = "egress for VPC"
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}
}
183 changes: 183 additions & 0 deletions eks/eks-green/nlb.tf
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Original file line number Diff line number Diff line change
@@ -0,0 +1,183 @@
resource "aws_lb" "nlb" {
name = "${var.environment_name}-nlb"
internal = false
load_balancer_type = "network"
subnets = module.eks_cluster.vpc_public_subnets

tags = {
Name = "${var.environment_name}-nlb"
}
}

# Define target groups and listeners for TCP ports
locals {
tcp_ports = [30333, 30433, 30334, 40333, 30533]
}

resource "aws_lb_target_group" "tg_tcp" {
count = length(local.tcp_ports)

name = "${var.environment_name}-tg-tcp-${local.tcp_ports[count.index]}"
port = local.tcp_ports[count.index]
protocol = "TCP"
vpc_id = module.eks_cluster.vpc_id

health_check {
enabled = true
interval = 30
port = local.tcp_ports[count.index] # Use the same port for health checks
protocol = "TCP"
timeout = 5
healthy_threshold = 2
unhealthy_threshold = 2
}

tags = {
Name = "${var.environment_name}-tg-tcp-${local.tcp_ports[count.index]}"
}
}

resource "aws_lb_listener" "nlb_listener_tcp" {
count = length(local.tcp_ports)

load_balancer_arn = aws_lb.nlb.arn
port = local.tcp_ports[count.index]
protocol = "TCP"

default_action {
type = "forward"
target_group_arn = aws_lb_target_group.tg_tcp[count.index].arn
}
}

# Define target groups and listeners for UDP ports
locals {
udp_ports = [30333, 30433, 30334, 30533]
}

resource "aws_lb_target_group" "tg_udp" {
count = length(local.udp_ports)

name = "${var.environment_name}-tg-udp-${local.udp_ports[count.index]}"
port = local.udp_ports[count.index]
protocol = "UDP"
vpc_id = module.eks_cluster.vpc_id

health_check {
enabled = false # UDP health checks are not supported
}

tags = {
Name = "${var.environment_name}-tg-udp-${local.udp_ports[count.index]}"
}
}

resource "aws_lb_listener" "nlb_listener_udp" {
count = length(local.udp_ports)

load_balancer_arn = aws_lb.nlb.arn
port = local.udp_ports[count.index]
protocol = "UDP"

default_action {
type = "forward"
target_group_arn = aws_lb_target_group.tg_udp[count.index].arn
}
}

# Define security group rules for EKS cluster
resource "aws_security_group" "eks_security_group_network" {
name = "${var.environment_name}-eks-sg-network"
description = "Security group for EKS cluster"
vpc_id = module.eks_cluster.vpc_id

ingress {
description = "Node Port 30333 for VPC"
from_port = 30333
to_port = 30333
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Node Port 30433 for VPC"
from_port = 30433
to_port = 30433
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Node Port 30334 Domain port for VPC"
from_port = 30334
to_port = 30334
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Domain Operator Node Port 40333 for VPC"
from_port = 40333
to_port = 40333
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Farmer Port 30533 for VPC"
from_port = 30533
to_port = 30533
protocol = "tcp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Node UDP Port 30333 for VPC"
from_port = 30333
to_port = 30333
protocol = "udp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Node UDP Port 30433 for VPC"
from_port = 30433
to_port = 30433
protocol = "udp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Node UDP Port 30334 Domain port for VPC"
from_port = 30334
to_port = 30334
protocol = "udp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

ingress {
description = "Farmer UDP Port 30533 for VPC"
from_port = 30533
to_port = 30533
protocol = "udp"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}

egress {
description = "egress for VPC"
from_port = 0
to_port = 0
protocol = "-1"
cidr_blocks = ["0.0.0.0/0"]
ipv6_cidr_blocks = ["::/0"]
}
}
5 changes: 4 additions & 1 deletion kubernetes/devnet/base/bootstrap-domain-node/archival-node-service.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,9 @@ kind: Service
metadata:
name: boostrap-domain-node-service
namespace: bootstrap-domain
annotations:
service.beta.kubernetes.io/aws-load-balancer-type: "nlb"
service.beta.kubernetes.io/aws-load-balancer-nlb-target-type: "instance"
spec:
selector:
app: domain-node
Expand Down Expand Up @@ -44,4 +47,4 @@ spec:
protocol: TCP
port: 9616
targetPort: 9616
type: ClusterIP
type: LoadBalancer
1 change: 1 addition & 0 deletions kubernetes/devnet/base/bootstrap-node/archival-node-configmap.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ apiVersion: v1
kind: ConfigMap
metadata:
name: bootstrap-node-config
namespace: bootstrap-node
data:
NETWORK_NAME: "network-name"
EXTERNAL_IP: "external-ip"
Expand Down
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