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

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# Controller Network Load Balancer DNS Record
resource "aws_route53_record" "controllers" {
zone_id = "${var.dns_zone_id}"
name = "${format("%s.%s.", var.cluster_name, var.dns_zone)}"
type = "A"
# AWS recommends their special "alias" records for ELBs
alias {
name = "${aws_elb.controllers.dns_name}"
zone_id = "${aws_elb.controllers.zone_id}"
evaluate_target_health = true
}
}
# Controller Network Load Balancer
resource "aws_elb" "controllers" {
name = "${var.cluster_name}-controllers"
subnets = ["${aws_subnet.public.*.id}"]
security_groups = ["${aws_security_group.controller.id}"]
listener {
lb_port = 22
lb_protocol = "tcp"
instance_port = 22
instance_protocol = "tcp"
}
listener {
lb_port = 443
lb_protocol = "tcp"
instance_port = 443
instance_protocol = "tcp"
}
# Kubelet HTTP health check
health_check {
target = "HTTP:10255/healthz"
healthy_threshold = 2
unhealthy_threshold = 4
timeout = 5
interval = 6
}
idle_timeout = 1800
connection_draining = true
connection_draining_timeout = 300
}