Creates an ECS cluster backed by an AutoScaling Group.

The cluster is minimally configured and expects any ECS service added will use awsvpc networking and Task IAM Roles for access control.

Creates the following resources:

• IAM role for the container instance.
• Launch Configuration and AutoScaling group.
• ECS cluster.

Usage

data "aws_ami" "ecs_ami" {
  most_recent = true
  owners      = ["amazon"]

  filter {
    name   = "name"
    values = ["amzn-ami-*-amazon-ecs-optimized"]
  }
}

module "app_ecs_cluster" {
  source = "trussworks/ecs-cluster/aws"

  name        = "app"
  environment = "prod"

  image_id      = "${data.aws_ami.ecs_ami.image_id}"
  instance_type = "t2.micro"

  subnet_ids       = "${module.vpc.private_subnets}"
  desired_capacity = 3
  max_size         = 3
  min_size         = 3
}

Inputs

Name	Description	Type	Default	Required
desired_capacity	Desired instance count.	string	"2"	no
environment	Environment tag.	string	n/a	yes
image_id	Amazon ECS-Optimized AMI.	string	n/a	yes
instance_type	The instance type to use.	string	"t2.micro"	no
max_size	Maxmimum instance count.	string	"2"	no
min_size	Minimum instance count.	string	"2"	no
name	The ECS cluster name this will launching instances for.	string	n/a	yes
subnet_ids	A list of subnet IDs to launch resources in.	list	n/a	yes
use_AmazonEC2ContainerServiceforEC2Role_policy	Attaches the AWS managed AmazonEC2ContainerServiceforEC2Role policy to the ECS instance role.	string	"true"	no
vpc_id	The id of the VPC to launch resources in.	string	n/a	yes

Outputs

Name	Description
ecs_cluster_arn	The ARN of the ECS cluster.
ecs_cluster_name	The name of the ECS cluster.
ecs_instance_role	The name of the ECS instance role.