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joaoferrao/ecs_nlb.tf

Last active Sep 15, 2018
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Terraform NLB served ECS service
# Following assumes you already have an ECS Cluster in place
resource "aws_lb" "this" {
name = "some-service-nlb"
load_balancer_type = "network"
internal = false
idle_timeout = "150"
subnets = "${var.subnet_list}"
}
resource "aws_ecs_task_definition" "this" {
family = "${var.task_family_name}"
task_role_arn = "${var.task_definition_role_arn}"
network_mode = "awsvpc"
container_definitions = <<EOF
[
{
"cpu": 128,
"essential": true,
"image": "postgres:latest",
"memory": 512,
"memoryReservation": 512,
"name": "postgres",
"portMappings": [
{
"hostPort": ${var.container_port},
"protocol": "tcp",
"containerPort": ${var.container_port}
}
]
}
]
EOF
}
resource "aws_ecs_service" "this" {
name = "${var.app_name}-service"
task_definition = "${var.task_family_name}:latests"
cluster = "${var.ecs_cluster_id}"
desired_count = "${var.service_task_count}"
network_configuration {
subnets = "${var.subnet_list}"
security_groups = ["${var.task_service_security_group}"]
}
deployment_maximum_percent = "${var.deployment_max_percent}"
deployment_minimum_healthy_percent = "${var.deployment_min_healthy_percent}"
health_check_grace_period_seconds = "${var.health_check_grace_period}"
scheduling_strategy = "REPLICA"
load_balancer {
target_group_arn = "${aws_lb_target_group.this.arn}"
container_name = "${var.container_name}"
container_port = "${var.container_port}"
}
}
resource "aws_lb_target_group" "this" {
name = "${var.environment}-${var.base_name}-ecs-current"
port = "${var.container_port}"
protocol = "TCP"
vpc_id = "${var.vpc_id}"
target_type = "ip"
health_check {
protocol = "${var.lb_tg_health_check_protocol}"
}
}
resource "aws_lb_listener" "this" {
load_balancer_arn = "${aws_lb.this.arn}"
port = "${var.container_port}"
protocol = "TCP"
default_action {
type = "forward"
target_group_arn = "${aws_lb_target_group.this.arn}"
}
}
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