Fixed bug in ECS ASG based on hashicorp issue: 16632

docs.md

@@ -229,7 +229,6 @@ Usage:
        security_groups      = "1,2"
        iam_instance_profile = "id"
        region               = "us-west-2"
-       availability_zones   = ["a", "b"]
        instance_type        = "t2.small"
      }
 
@@ -248,7 +247,6 @@ Usage:
 | security_groups | Comma separated list of security groups | - | yes |
 | iam_instance_profile | Instance profile ARN to use in the launch configuration | - | yes |
 | region | AWS Region | - | yes |
-| availability_zones | List of AZs | - | yes |
 | instance_type | The instance type to use, e.g t2.small | - | yes |
 | instance_ebs_optimized | When set to true the instance will be launched with EBS optimized turned on | `true` | no |
 | min_size | Minimum instance count | `3` | no |

ecs-cluster/main.tf

@@ -19,7 +19,6 @@
  *        security_groups      = "1,2"
  *        iam_instance_profile = "id"
  *        region               = "us-west-2"
- *        availability_zones   = ["a", "b"]
  *        instance_type        = "t2.small"
  *      }
  *
@@ -62,11 +61,6 @@ variable "region" {
   description = "AWS Region"
 }
 
-variable "availability_zones" {
-  description = "List of AZs"
-  type        = "list"
-}
-
 variable "instance_type" {
   description = "The instance type to use, e.g t2.small"
 }
@@ -223,7 +217,6 @@ resource "aws_launch_configuration" "main" {
 resource "aws_autoscaling_group" "main" {
   name = "${var.name}"
 
-  availability_zones   = ["${var.availability_zones}"]
   vpc_zone_identifier  = ["${var.subnet_ids}"]
   launch_configuration = "${aws_launch_configuration.main.id}"
   min_size             = "${var.min_size}"

main.tf

@@ -216,7 +216,6 @@ module "ecs_cluster" {
   max_size               = "${var.ecs_max_size}"
   desired_capacity       = "${var.ecs_desired_capacity}"
   region                 = "${var.region}"
-  availability_zones     = "${module.vpc.availability_zones}"
   root_volume_size       = "${var.ecs_root_volume_size}"
   docker_volume_size     = "${var.ecs_docker_volume_size}"
   docker_auth_type       = "${var.ecs_docker_auth_type}"