getting-into-consul/ec2-asg.tf at master · jcolemorrison/getting-into-consul · GitHub

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# ASG for the Consul Web Clients
resource "aws_autoscaling_group" "consul_client_web" {
  name_prefix = "${var.main_project_tag}-web-asg-"

  launch_template {
    id      = aws_launch_template.consul_client_web.id
    version = aws_launch_template.consul_client_web.latest_version
  }

  target_group_arns = [aws_lb_target_group.alb_targets_web.arn]

  desired_capacity = var.client_web_desired_count
  min_size         = var.client_web_min_count
  max_size         = var.client_web_max_count

  # AKA the subnets to launch resources in
  vpc_zone_identifier = aws_subnet.private.*.id

  health_check_grace_period = 300
  health_check_type         = "EC2"
  termination_policies      = ["OldestLaunchTemplate"]
  wait_for_capacity_timeout = 0

  enabled_metrics = [
    "GroupDesiredCapacity",
    "GroupInServiceCapacity",
    "GroupPendingCapacity",
    "GroupMinSize",
    "GroupMaxSize",
    "GroupInServiceInstances",
    "GroupPendingInstances",
    "GroupStandbyInstances",
    "GroupStandbyCapacity",
    "GroupTerminatingCapacity",
    "GroupTerminatingInstances",
    "GroupTotalCapacity",
    "GroupTotalInstances"
  ]

  tags = [
    {
      key                 = "Name"
      value               = "${var.main_project_tag}-web"
      propagate_at_launch = true
    },
    {
      key                 = "Project"
      value               = var.main_project_tag
      propagate_at_launch = true
    }
  ]

  # Allow time for internet access before installing external packages
  depends_on = [aws_nat_gateway.nat]
}

# ASG for the Consul API Clients
resource "aws_autoscaling_group" "consul_client_api" {
  name_prefix = "${var.main_project_tag}-api-asg-"

  launch_template {
    id      = aws_launch_template.consul_client_api.id
    version = aws_launch_template.consul_client_api.latest_version
  }

  desired_capacity = var.client_api_desired_count
  min_size         = var.client_api_min_count
  max_size         = var.client_api_max_count

  # AKA the subnets to launch resources in
  vpc_zone_identifier = aws_subnet.private.*.id

  health_check_grace_period = 300
  health_check_type         = "EC2"
  termination_policies      = ["OldestLaunchTemplate"]
  wait_for_capacity_timeout = 0

  enabled_metrics = [
    "GroupDesiredCapacity",
    "GroupInServiceCapacity",
    "GroupPendingCapacity",
    "GroupMinSize",
    "GroupMaxSize",
    "GroupInServiceInstances",
    "GroupPendingInstances",
    "GroupStandbyInstances",
    "GroupStandbyCapacity",
    "GroupTerminatingCapacity",
    "GroupTerminatingInstances",
    "GroupTotalCapacity",
    "GroupTotalInstances"
  ]

  tags = [
    {
      key                 = "Name"
      value               = "${var.main_project_tag}-api"
      propagate_at_launch = true
    },
    {
      key                 = "Project"
      value               = var.main_project_tag
      propagate_at_launch = true
    }
  ]

  # Allow time for internet access before installing external packages
  depends_on = [aws_nat_gateway.nat]
}