Autoscaling Group, and associated controls and configsHEADmaster

1 files changed, 67 insertions, 0 deletions

diff --git a/asg.tf b/asg.tf
new file mode 100644
index 0000000..46c3616
--- /dev/null
+++ b/asg.tf
@@ -0,0 +1,67 @@
+resource "aws_launch_configuration" "fundapp_demo" {
+  name_prefix          = "${var.vpc_name}_app"
+  image_id             = "${var.image_id}"
+  instance_type        = "t2.nano"
+  iam_instance_profile = "${aws_iam_instance_profile.app_profile.id}"
+  key_name             = "${aws_key_pair.server_keypair.key_name}"
+
+  security_groups = [
+    "${aws_security_group.app_sg.id}",
+    "${aws_security_group.external_ssh_accept_sg.id}",
+  ]
+
+  user_date = "${data.template_file.app_user_data.rendered}"
+
+  root_block_device {
+    volume_type = "gp2"
+    volume_size = "30"
+  }
+
+  lifecycle {
+    create_before_destroy = true
+  }
+}
+
+resource "aws_autoscaling_group" "app_asg" {
+  name                 = "${var.vpc_name}_app_asg"
+  launch_configuration = "${aws_launch_configuration.fundapp_demo.name}"
+
+  availability_zones = [
+    "${var.aws_az_1}",
+    "${var.aws_az_2}",
+    "${var.aws_az_3}",
+  ]
+
+  vpc_zone_identifier = [
+    "${aws_subnet.public_1.id}",
+    "${aws_subnet.public_2.id}",
+    "${aws_subnet.public_3.id}",
+  ]
+
+  min_size                  = 1
+  max_size                  = 3
+  desired_capacity          = 2
+  health_check_grace_period = 300
+
+  enabled_metrics = [
+    "GroupMinSize",
+    "GroupMazSize",
+    "GroupDesiredCapacity",
+    "GroupInServiceInstances",
+    "GroupPendingInstances",
+    "GroupStandbyInstances",
+    "GroupTerminatingInstances",
+    "GroupTotalInstances",
+  ]
+
+  load_balancers    = ["${aws_elb.app_elb.name}"]
+  health_check_type = "EC2"
+
+  lifecycle {
+    create_before_destroy = true
+  }
+}
+
+data "template_file" "app_user_data" {
+  template = "${file("${path.module}/files/app_data.tpl")}"
+}