typhoon/aws/container-linux/kubernetes/ingress.tf

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# Network Load Balancer for Ingress
resource "aws_lb" "ingress" {
name = "${var.cluster_name}-ingress"
load_balancer_type = "network"
internal = false
subnets = ["${aws_subnet.public.*.id}"]
}
# Forward HTTP traffic to workers
resource "aws_lb_listener" "ingress-http" {
load_balancer_arn = "${aws_lb.ingress.arn}"
protocol = "TCP"
port = 80
default_action {
type = "forward"
target_group_arn = "${aws_lb_target_group.workers-http.arn}"
}
}
# Forward HTTPS traffic to workers
resource "aws_lb_listener" "ingress-https" {
load_balancer_arn = "${aws_lb.ingress.arn}"
protocol = "TCP"
port = 443
default_action {
type = "forward"
target_group_arn = "${aws_lb_target_group.workers-https.arn}"
}
}
# Network Load Balancer target groups of instances
resource "aws_lb_target_group" "workers-http" {
name = "${var.cluster_name}-workers-http"
vpc_id = "${aws_vpc.network.id}"
target_type = "instance"
protocol = "TCP"
port = 80
# Ingress Controller HTTP health check
health_check {
protocol = "HTTP"
port = 10254
path = "/healthz"
# NLBs required to use same healthy and unhealthy thresholds
healthy_threshold = 3
unhealthy_threshold = 3
# Interval between health checks required to be 10 or 30
interval = 10
}
}
resource "aws_lb_target_group" "workers-https" {
name = "${var.cluster_name}-workers-https"
vpc_id = "${aws_vpc.network.id}"
target_type = "instance"
protocol = "TCP"
port = 443
# Ingress Controller HTTP health check
health_check {
protocol = "HTTP"
port = 10254
path = "/healthz"
# NLBs required to use same healthy and unhealthy thresholds
healthy_threshold = 3
unhealthy_threshold = 3
# Interval between health checks required to be 10 or 30
interval = 10
}
}