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Adding new mixed type of worker group with instance overrides and mixed instances policy (#371)

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* Adding new mixed type of worker group with instance overrides and mixed instances policy

* moving all count and lifecycle rule parameters to top/bottom

* adding custom IAM parts

* updating doc with new options

* fixes for spot instances
This commit is contained in:
Max Williams
2019-05-07 16:50:42 +02:00
committed by GitHub
parent 2439c25771
commit ae2f8e58db
13 changed files with 285 additions and 117 deletions
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18
workers_launch_template.tf
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@@ -1,6 +1,7 @@
# Worker Groups using Launch Templates
resource "aws_autoscaling_group" "workers_launch_template" {
count = "${var.worker_group_launch_template_count}"
name_prefix = "${aws_eks_cluster.this.name}-${lookup(var.worker_groups_launch_template[count.index], "name", count.index)}"
desired_capacity = "${lookup(var.worker_groups_launch_template[count.index], "asg_desired_capacity", local.workers_group_defaults["asg_desired_capacity"])}"
max_size = "${lookup(var.worker_groups_launch_template[count.index], "asg_max_size", local.workers_group_defaults["asg_max_size"])}"
@@ -12,7 +13,6 @@ resource "aws_autoscaling_group" "workers_launch_template" {
protect_from_scale_in = "${lookup(var.worker_groups_launch_template[count.index], "protect_from_scale_in", local.workers_group_defaults["protect_from_scale_in"])}"
suspended_processes = ["${compact(split(",", coalesce(lookup(var.worker_groups_launch_template[count.index], "suspended_processes", ""), local.workers_group_defaults["suspended_processes"])))}"]
enabled_metrics = ["${compact(split(",", coalesce(lookup(var.worker_groups_launch_template[count.index], "enabled_metrics", ""), local.workers_group_defaults["enabled_metrics"])))}"]
count = "${var.worker_group_launch_template_count}"
placement_group = "${lookup(var.worker_groups_launch_template[count.index], "placement_group", local.workers_group_defaults["placement_group"])}"
launch_template {
@@ -34,12 +34,12 @@ resource "aws_autoscaling_group" "workers_launch_template" {
lifecycle {
create_before_destroy = true
ignore_changes = ["desired_capacity"]
ignore_changes = ["desired_capacity"]
}
}
resource "aws_launch_template" "workers_launch_template" {
count = "${var.worker_group_launch_template_count}"
name_prefix = "${aws_eks_cluster.this.name}-${lookup(var.worker_groups_launch_template[count.index], "name", count.index)}"
network_interfaces {
@@ -72,12 +72,6 @@ resource "aws_launch_template" "workers_launch_template" {
group_name = "${lookup(var.worker_groups_launch_template[count.index], "launch_template_placement_group", local.workers_group_defaults["launch_template_placement_group"])}"
}
count = "${var.worker_group_launch_template_count}"
lifecycle {
create_before_destroy = true
}
block_device_mappings {
device_name = "${lookup(var.worker_groups_launch_template[count.index], "root_block_device_name", local.workers_group_defaults["root_block_device_name"])}"
@@ -92,11 +86,15 @@ resource "aws_launch_template" "workers_launch_template" {
}
tags = "${var.tags}"
lifecycle {
create_before_destroy = true
}
}
resource "aws_iam_instance_profile" "workers_launch_template" {
count = "${var.manage_worker_iam_resources ? var.worker_group_launch_template_count : 0}"
name_prefix = "${aws_eks_cluster.this.name}"
role = "${lookup(var.worker_groups_launch_template[count.index], "iam_role_id", lookup(local.workers_group_defaults, "iam_role_id"))}"
count = "${var.manage_worker_iam_resources ? var.worker_group_launch_template_count : 0}"
path = "${var.iam_path}"
}