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aws AWS: aws_ecs_service docs-aws-resource-ecs-service Provides an ECS service.

aws_ecs_service

-> Note: To prevent a race condition during service deletion, make sure to set depends_on to the related aws_iam_role_policy; otherwise, the policy may be destroyed too soon and the ECS service will then get stuck in the DRAINING state.

Provides an ECS service - effectively a task that is expected to run until an error occurs or a user terminates it (typically a webserver or a database).

See ECS Services section in AWS developer guide.

Example Usage

resource "aws_ecs_service" "mongo" {
  name = "mongodb"
  cluster = "${aws_ecs_cluster.foo.id}"
  task_definition = "${aws_ecs_task_definition.mongo.arn}"
  desired_count = 3
  iam_role = "${aws_iam_role.foo.arn}"
  depends_on = ["aws_iam_role_policy.foo"]

  load_balancer {
    elb_name = "${aws_elb.foo.name}"
    container_name = "mongo"
    container_port = 8080
  }
}

Argument Reference

The following arguments are supported:

  • name - (Required) The name of the service (up to 255 letters, numbers, hyphens, and underscores)
  • task_definition - (Required) The family and revision (family:revision) or full ARN of the task definition that you want to run in your service.
  • desired_count - (Required) The number of instances of the task definition to place and keep running
  • cluster - (Optional) ARN of an ECS cluster
  • iam_role - (Optional) The ARN of IAM role that allows your Amazon ECS container agent to make calls to your load balancer on your behalf. This parameter is only required if you are using a load balancer with your service.
  • deployment_maximum_percent - (Optional) The upper limit (as a percentage of the service's desiredCount) of the number of running tasks that can be running in a service during a deployment.
  • deployment_minimum_healthy_percent - (Optional) The lower limit (as a percentage of the service's desiredCount) of the number of running tasks that must remain running and healthy in a service during a deployment.
  • load_balancer - (Optional) A load balancer block. Load balancers documented below.

-> Note: As a result of an AWS limitation, a single load_balancer can be attached to the ECS service at most. See related docs.

Load balancers support the following:

  • elb_name - (Required) The name of the load balancer.
  • container_name - (Required) The name of the container to associate with the load balancer (as it appears in a container definition).
  • container_port - (Required) The port on the container to associate with the load balancer.

Attributes Reference

The following attributes are exported:

  • id - The Amazon Resource Name (ARN) that identifies the service
  • name - The name of the service
  • cluster - The Amazon Resource Name (ARN) of cluster which the service runs on
  • iam_role - The ARN of IAM role used for ELB
  • desired_count - The number of instances of the task definition