#pr-reviews (2021-01)

Error: Invalid count argument

  on .terraform/modules/ecs_alb_service_tasks/main.tf line 99, in data "aws_iam_policy_document" "ecs_task":
  99:   count = local.enabled && length(var.task_role_arn) == 0 ? 1 : 0

The "count" value depends on resource attributes that cannot be determined
until apply, so Terraform cannot predict how many instances will be created.
To work around this, use the -target argument to first apply only the
resources that the count depends on.

module "ecs_alb_service_tasks" {
  source                             = "cloudposse/ecs-alb-service-task/aws"
  version                            = "0.42.3"

  count                              = length(var.container_definitions)
  attributes                         = [var.container_definitions[count.index].container_name]
  alb_security_group                 = module.vpc.vpc_default_security_group_id
  use_alb_security_group             = true
  #task_exec_role_arn                 = aws_iam_role.ecs_exec.arn
  #task_role_arn                      = aws_iam_role.ecs_task.arn
  container_definition_json          = module.container_definitions[count.index].json_map_encoded_list
  ecs_cluster_arn                    = aws_ecs_cluster.default.arn
  launch_type                        = var.ecs_launch_type
  vpc_id                             = module.vpc.vpc_id
  security_group_ids                 = [module.vpc.vpc_default_security_group_id]
  subnet_ids                         = module.subnets.public_subnet_ids
  ignore_changes_task_definition     = var.ignore_changes_task_definition
  network_mode                       = "bridge"
  assign_public_ip                   = var.assign_public_ip
  propagate_tags                     = var.propagate_tags
  deployment_minimum_healthy_percent = var.deployment_minimum_healthy_percent
  deployment_maximum_percent         = var.deployment_maximum_percent
  deployment_controller_type         = var.deployment_controller_type
  desired_count                      = var.desired_count
  task_memory                        = var.task_memory
  task_cpu                           = var.task_cpu
}