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load_balancer.tf
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load_balancer.tf
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#######################################################
# LB section
#######################################################
resource "aws_lb" "bastion-service" {
name = "${var.service_name}-${var.environment_name}"
load_balancer_type = "network"
internal = var.lb_is_internal
subnets = var.subnets_lb
enable_cross_zone_load_balancing = true
tags = var.tags
}
######################################################
# Listener- Port 22 -service only
######################################################
resource "aws_lb_listener" "bastion-service" {
load_balancer_arn = aws_lb.bastion-service.arn
protocol = "TCP"
port = "22"
default_action {
target_group_arn = aws_lb_target_group.bastion-service.arn
type = "forward"
}
}
######################################################
# Listener- Port 2222 - service and host - conditional
######################################################
resource "aws_lb_listener" "bastion-host" {
count = local.hostport_whitelisted ? 1 : 0
load_balancer_arn = aws_lb.bastion-service.arn
protocol = "TCP"
port = "2222"
default_action {
target_group_arn = aws_lb_target_group.bastion-host[0].arn
type = "forward"
}
}
######################################################
# Target group service
#######################################################
resource "aws_lb_target_group" "bastion-service" {
name = "${var.service_name}-${var.environment_name}-22"
protocol = "TCP"
port = 22
vpc_id = var.vpc
health_check {
healthy_threshold = var.lb_healthy_threshold
unhealthy_threshold = var.lb_unhealthy_threshold
interval = var.lb_interval
protocol = "TCP"
port = var.lb_healthcheck_port
}
tags = var.tags
}
######################################################
# Target group host - conditional
#######################################################
resource "aws_lb_target_group" "bastion-host" {
count = local.hostport_whitelisted ? 1 : 0
name = "${var.service_name}-${var.environment_name}-2222"
protocol = "TCP"
port = 2222
vpc_id = var.vpc
health_check {
healthy_threshold = var.lb_healthy_threshold
unhealthy_threshold = var.lb_unhealthy_threshold
interval = var.lb_interval
protocol = "TCP"
port = var.lb_healthcheck_port
}
tags = var.tags
}