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https://github.com/ysoftdevs/terraform-aws-eks.git
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Cleaning up and deduplicating launch template related code (#370)
* cleaning up launch template code * update changelog * Remove variable worker_group_launch_template_tags * misc fixes * fixing and simplifying example
This commit is contained in:
Max Williams
@@ -2,55 +2,34 @@
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resource "aws_autoscaling_group" "workers_launch_template" {
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name_prefix = "${aws_eks_cluster.this.name}-${lookup(var.worker_groups_launch_template[count.index], "name", count.index)}"
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desired_capacity = "${lookup(var.worker_groups_launch_template[count.index], "asg_desired_capacity", local.workers_group_launch_template_defaults["asg_desired_capacity"])}"
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max_size = "${lookup(var.worker_groups_launch_template[count.index], "asg_max_size", local.workers_group_launch_template_defaults["asg_max_size"])}"
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min_size = "${lookup(var.worker_groups_launch_template[count.index], "asg_min_size", local.workers_group_launch_template_defaults["asg_min_size"])}"
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force_delete = "${lookup(var.worker_groups_launch_template[count.index], "asg_force_delete", local.workers_group_launch_template_defaults["asg_force_delete"])}"
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target_group_arns = ["${compact(split(",", coalesce(lookup(var.worker_groups_launch_template[count.index], "target_group_arns", ""), local.workers_group_launch_template_defaults["target_group_arns"])))}"]
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service_linked_role_arn = "${lookup(var.worker_groups_launch_template[count.index], "service_linked_role_arn", local.workers_group_launch_template_defaults["service_linked_role_arn"])}"
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desired_capacity = "${lookup(var.worker_groups_launch_template[count.index], "asg_desired_capacity", local.workers_group_defaults["asg_desired_capacity"])}"
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max_size = "${lookup(var.worker_groups_launch_template[count.index], "asg_max_size", local.workers_group_defaults["asg_max_size"])}"
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min_size = "${lookup(var.worker_groups_launch_template[count.index], "asg_min_size", local.workers_group_defaults["asg_min_size"])}"
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force_delete = "${lookup(var.worker_groups_launch_template[count.index], "asg_force_delete", local.workers_group_defaults["asg_force_delete"])}"
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target_group_arns = ["${compact(split(",", coalesce(lookup(var.worker_groups_launch_template[count.index], "target_group_arns", ""), local.workers_group_defaults["target_group_arns"])))}"]
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service_linked_role_arn = "${lookup(var.worker_groups_launch_template[count.index], "service_linked_role_arn", local.workers_group_defaults["service_linked_role_arn"])}"
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vpc_zone_identifier = ["${split(",", coalesce(lookup(var.worker_groups_launch_template[count.index], "subnets", ""), local.workers_group_defaults["subnets"]))}"]
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protect_from_scale_in = "${lookup(var.worker_groups_launch_template[count.index], "protect_from_scale_in", local.workers_group_defaults["protect_from_scale_in"])}"
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suspended_processes = ["${compact(split(",", coalesce(lookup(var.worker_groups_launch_template[count.index], "suspended_processes", ""), local.workers_group_defaults["suspended_processes"])))}"]
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enabled_metrics = ["${compact(split(",", coalesce(lookup(var.worker_groups_launch_template[count.index], "enabled_metrics", ""), local.workers_group_defaults["enabled_metrics"])))}"]
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count = "${var.worker_group_launch_template_count}"
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placement_group = "${lookup(var.worker_groups_launch_template[count.index], "placement_group", local.workers_group_defaults["placement_group"])}"
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mixed_instances_policy {
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instances_distribution {
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on_demand_allocation_strategy = "${lookup(var.worker_groups_launch_template[count.index], "on_demand_allocation_strategy", local.workers_group_launch_template_defaults["on_demand_allocation_strategy"])}"
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on_demand_base_capacity = "${lookup(var.worker_groups_launch_template[count.index], "on_demand_base_capacity", local.workers_group_launch_template_defaults["on_demand_base_capacity"])}"
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on_demand_percentage_above_base_capacity = "${lookup(var.worker_groups_launch_template[count.index], "on_demand_percentage_above_base_capacity", local.workers_group_launch_template_defaults["on_demand_percentage_above_base_capacity"])}"
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spot_allocation_strategy = "${lookup(var.worker_groups_launch_template[count.index], "spot_allocation_strategy", local.workers_group_launch_template_defaults["spot_allocation_strategy"])}"
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spot_instance_pools = "${lookup(var.worker_groups_launch_template[count.index], "spot_instance_pools", local.workers_group_launch_template_defaults["spot_instance_pools"])}"
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spot_max_price = "${lookup(var.worker_groups_launch_template[count.index], "spot_max_price", local.workers_group_launch_template_defaults["spot_max_price"])}"
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}
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launch_template {
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launch_template_specification {
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launch_template_id = "${element(aws_launch_template.workers_launch_template.*.id, count.index)}"
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version = "$Latest"
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}
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override {
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instance_type = "${lookup(var.worker_groups_launch_template[count.index], "instance_type", local.workers_group_launch_template_defaults["instance_type"])}"
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}
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override {
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instance_type = "${lookup(var.worker_groups_launch_template[count.index], "override_instance_type", local.workers_group_launch_template_defaults["override_instance_type"])}"
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}
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}
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launch_template {
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id = "${element(aws_launch_template.workers_launch_template.*.id, count.index)}"
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version = "${lookup(var.worker_groups_launch_template[count.index], "launch_template_version", local.workers_group_defaults["launch_template_version"])}"
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}
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vpc_zone_identifier = ["${split(",", coalesce(lookup(var.worker_groups_launch_template[count.index], "subnets", ""), local.workers_group_launch_template_defaults["subnets"]))}"]
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protect_from_scale_in = "${lookup(var.worker_groups_launch_template[count.index], "protect_from_scale_in", local.workers_group_launch_template_defaults["protect_from_scale_in"])}"
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suspended_processes = ["${compact(split(",", coalesce(lookup(var.worker_groups_launch_template[count.index], "suspended_processes", ""), local.workers_group_launch_template_defaults["suspended_processes"])))}"]
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enabled_metrics = ["${compact(split(",", coalesce(lookup(var.worker_groups_launch_template[count.index], "enabled_metrics", ""), local.workers_group_launch_template_defaults["enabled_metrics"])))}"]
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count = "${var.worker_group_launch_template_count}"
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tags = ["${concat(
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list(
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map("key", "Name", "value", "${aws_eks_cluster.this.name}-${lookup(var.worker_groups_launch_template[count.index], "name", count.index)}-eks_asg", "propagate_at_launch", true),
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map("key", "kubernetes.io/cluster/${aws_eks_cluster.this.name}", "value", "owned", "propagate_at_launch", true),
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map("key", "k8s.io/cluster-autoscaler/${lookup(var.worker_groups_launch_template[count.index], "autoscaling_enabled", local.workers_group_launch_template_defaults["autoscaling_enabled"]) == 1 ? "enabled" : "disabled" }", "value", "true", "propagate_at_launch", false),
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map("key", "k8s.io/cluster-autoscaler/${lookup(var.worker_groups_launch_template[count.index], "autoscaling_enabled", local.workers_group_defaults["autoscaling_enabled"]) == 1 ? "enabled" : "disabled" }", "value", "true", "propagate_at_launch", false),
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map("key", "k8s.io/cluster-autoscaler/${aws_eks_cluster.this.name}", "value", "", "propagate_at_launch", false),
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map("key", "k8s.io/cluster-autoscaler/node-template/resources/ephemeral-storage", "value", "${lookup(var.worker_groups_launch_template[count.index], "root_volume_size", local.workers_group_launch_template_defaults["root_volume_size"])}Gi", "propagate_at_launch", false)
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map("key", "k8s.io/cluster-autoscaler/node-template/resources/ephemeral-storage", "value", "${lookup(var.worker_groups_launch_template[count.index], "root_volume_size", local.workers_group_defaults["root_volume_size"])}Gi", "propagate_at_launch", false)
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),
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local.asg_tags,
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var.worker_group_launch_template_tags[contains(keys(var.worker_group_launch_template_tags), "${lookup(var.worker_groups_launch_template[count.index], "name", count.index)}") ? "${lookup(var.worker_groups_launch_template[count.index], "name", count.index)}" : "default"])
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var.worker_group_tags[contains(keys(var.worker_group_tags), "${lookup(var.worker_groups_launch_template[count.index], "name", count.index)}") ? "${lookup(var.worker_groups_launch_template[count.index], "name", count.index)}" : "default"])
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}"]
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lifecycle {
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@@ -64,13 +43,13 @@ resource "aws_launch_template" "workers_launch_template" {
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name_prefix = "${aws_eks_cluster.this.name}-${lookup(var.worker_groups_launch_template[count.index], "name", count.index)}"
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network_interfaces {
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associate_public_ip_address = "${lookup(var.worker_groups_launch_template[count.index], "public_ip", local.workers_group_launch_template_defaults["public_ip"])}"
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delete_on_termination = "${lookup(var.worker_groups_launch_template[count.index], "eni_delete", local.workers_group_launch_template_defaults["eni_delete"])}"
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associate_public_ip_address = "${lookup(var.worker_groups_launch_template[count.index], "public_ip", local.workers_group_defaults["public_ip"])}"
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delete_on_termination = "${lookup(var.worker_groups_launch_template[count.index], "eni_delete", local.workers_group_defaults["eni_delete"])}"
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security_groups = [
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"${local.worker_security_group_id}",
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"${var.worker_additional_security_group_ids}",
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"${compact(split(",",lookup(var.worker_groups_launch_template[count.index],"additional_security_group_ids", local.workers_group_launch_template_defaults["additional_security_group_ids"])))}",
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"${compact(split(",",lookup(var.worker_groups_launch_template[count.index],"additional_security_group_ids", local.workers_group_defaults["additional_security_group_ids"])))}",
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]
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}
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@@ -78,19 +57,19 @@ resource "aws_launch_template" "workers_launch_template" {
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name = "${element(coalescelist(aws_iam_instance_profile.workers_launch_template.*.name, data.aws_iam_instance_profile.custom_worker_group_launch_template_iam_instance_profile.*.name), count.index)}"
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}
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image_id = "${lookup(var.worker_groups_launch_template[count.index], "ami_id", local.workers_group_launch_template_defaults["ami_id"])}"
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instance_type = "${lookup(var.worker_groups_launch_template[count.index], "instance_type", local.workers_group_launch_template_defaults["instance_type"])}"
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key_name = "${lookup(var.worker_groups_launch_template[count.index], "key_name", local.workers_group_launch_template_defaults["key_name"])}"
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image_id = "${lookup(var.worker_groups_launch_template[count.index], "ami_id", local.workers_group_defaults["ami_id"])}"
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instance_type = "${lookup(var.worker_groups_launch_template[count.index], "instance_type", local.workers_group_defaults["instance_type"])}"
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key_name = "${lookup(var.worker_groups_launch_template[count.index], "key_name", local.workers_group_defaults["key_name"])}"
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user_data = "${base64encode(element(data.template_file.launch_template_userdata.*.rendered, count.index))}"
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ebs_optimized = "${lookup(var.worker_groups_launch_template[count.index], "ebs_optimized", lookup(local.ebs_optimized, lookup(var.worker_groups_launch_template[count.index], "instance_type", local.workers_group_launch_template_defaults["instance_type"]), false))}"
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ebs_optimized = "${lookup(var.worker_groups_launch_template[count.index], "ebs_optimized", lookup(local.ebs_optimized, lookup(var.worker_groups_launch_template[count.index], "instance_type", local.workers_group_defaults["instance_type"]), false))}"
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monitoring {
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enabled = "${lookup(var.worker_groups_launch_template[count.index], "enable_monitoring", local.workers_group_launch_template_defaults["enable_monitoring"])}"
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enabled = "${lookup(var.worker_groups_launch_template[count.index], "enable_monitoring", local.workers_group_defaults["enable_monitoring"])}"
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}
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placement {
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tenancy = "${lookup(var.worker_groups_launch_template[count.index], "placement_tenancy", local.workers_group_launch_template_defaults["placement_tenancy"])}"
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group_name = "${lookup(var.worker_groups_launch_template[count.index], "placement_group", local.workers_group_launch_template_defaults["placement_group"])}"
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tenancy = "${lookup(var.worker_groups_launch_template[count.index], "launch_template_placement_tenancy", local.workers_group_defaults["launch_template_placement_tenancy"])}"
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group_name = "${lookup(var.worker_groups_launch_template[count.index], "launch_template_placement_group", local.workers_group_defaults["launch_template_placement_group"])}"
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}
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count = "${var.worker_group_launch_template_count}"
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@@ -100,14 +79,14 @@ resource "aws_launch_template" "workers_launch_template" {
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}
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block_device_mappings {
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device_name = "${data.aws_ami.eks_worker.root_device_name}"
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device_name = "${lookup(var.worker_groups_launch_template[count.index], "root_block_device_name", local.workers_group_defaults["root_block_device_name"])}"
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ebs {
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volume_size = "${lookup(var.worker_groups_launch_template[count.index], "root_volume_size", local.workers_group_launch_template_defaults["root_volume_size"])}"
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volume_type = "${lookup(var.worker_groups_launch_template[count.index], "root_volume_type", local.workers_group_launch_template_defaults["root_volume_type"])}"
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iops = "${lookup(var.worker_groups_launch_template[count.index], "root_iops", local.workers_group_launch_template_defaults["root_iops"])}"
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encrypted = "${lookup(var.worker_groups_launch_template[count.index], "root_encrypted", local.workers_group_launch_template_defaults["root_encrypted"])}"
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kms_key_id = "${lookup(var.worker_groups_launch_template[count.index], "kms_key_id", local.workers_group_launch_template_defaults["kms_key_id"])}"
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volume_size = "${lookup(var.worker_groups_launch_template[count.index], "root_volume_size", local.workers_group_defaults["root_volume_size"])}"
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volume_type = "${lookup(var.worker_groups_launch_template[count.index], "root_volume_type", local.workers_group_defaults["root_volume_type"])}"
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iops = "${lookup(var.worker_groups_launch_template[count.index], "root_iops", local.workers_group_defaults["root_iops"])}"
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encrypted = "${lookup(var.worker_groups_launch_template[count.index], "root_encrypted", local.workers_group_defaults["root_encrypted"])}"
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kms_key_id = "${lookup(var.worker_groups_launch_template[count.index], "root_kms_key_id", local.workers_group_defaults["root_kms_key_id"])}"
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delete_on_termination = true
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}
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}
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@@ -117,7 +96,7 @@ resource "aws_launch_template" "workers_launch_template" {
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resource "aws_iam_instance_profile" "workers_launch_template" {
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name_prefix = "${aws_eks_cluster.this.name}"
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role = "${lookup(var.worker_groups_launch_template[count.index], "iam_role_id", lookup(local.workers_group_launch_template_defaults, "iam_role_id"))}"
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role = "${lookup(var.worker_groups_launch_template[count.index], "iam_role_id", lookup(local.workers_group_defaults, "iam_role_id"))}"
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count = "${var.manage_worker_iam_resources ? var.worker_group_launch_template_count : 0}"
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path = "${var.iam_path}"
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}
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