mirror of
https://github.com/ysoftdevs/terraform-aws-eks.git
synced 2026-01-15 16:23:58 +01:00
dfe41141c2
* fix: Update AWS provider version to support `AL2023_*` AMI types * fix: Ensure the cluster service CIDR is passed to the AL2023 user data where its required
890 lines
33 KiB
HCL
890 lines
33 KiB
HCL
data "aws_partition" "current" {}
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data "aws_caller_identity" "current" {}
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data "aws_ami" "eks_default" {
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count = var.create && var.create_launch_template ? 1 : 0
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filter {
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name = "name"
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values = ["amazon-eks-node-${var.cluster_version}-v*"]
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}
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most_recent = true
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owners = ["amazon"]
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}
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################################################################################
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# User Data
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################################################################################
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module "user_data" {
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source = "../_user_data"
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create = var.create
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platform = var.platform
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is_eks_managed_node_group = false
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cluster_name = var.cluster_name
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cluster_endpoint = var.cluster_endpoint
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cluster_auth_base64 = var.cluster_auth_base64
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cluster_service_cidr = var.cluster_service_cidr
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enable_bootstrap_user_data = true
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pre_bootstrap_user_data = var.pre_bootstrap_user_data
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post_bootstrap_user_data = var.post_bootstrap_user_data
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bootstrap_extra_args = var.bootstrap_extra_args
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user_data_template_path = var.user_data_template_path
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}
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################################################################################
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# EFA Support
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################################################################################
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data "aws_ec2_instance_type" "this" {
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count = var.enable_efa_support && local.instance_type_provided ? 1 : 0
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instance_type = var.instance_type
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}
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locals {
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instance_type_provided = var.instance_type != ""
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num_network_cards = try(data.aws_ec2_instance_type.this[0].maximum_network_cards, 0)
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efa_network_interfaces = [
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for i in range(local.num_network_cards) : {
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associate_public_ip_address = false
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delete_on_termination = true
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device_index = i == 0 ? 0 : 1
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network_card_index = i
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interface_type = "efa"
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}
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]
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network_interfaces = var.enable_efa_support && local.instance_type_provided ? local.efa_network_interfaces : var.network_interfaces
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}
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################################################################################
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# Launch template
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################################################################################
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locals {
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launch_template_name = coalesce(var.launch_template_name, "${var.name}-node-group")
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security_group_ids = compact(concat([var.cluster_primary_security_group_id], var.vpc_security_group_ids))
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placement = var.create && var.enable_efa_support ? { group_name = aws_placement_group.this[0].name } : var.placement
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}
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resource "aws_launch_template" "this" {
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count = var.create && var.create_launch_template ? 1 : 0
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dynamic "block_device_mappings" {
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for_each = var.block_device_mappings
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content {
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device_name = try(block_device_mappings.value.device_name, null)
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dynamic "ebs" {
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for_each = try([block_device_mappings.value.ebs], [])
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content {
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delete_on_termination = try(ebs.value.delete_on_termination, null)
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encrypted = try(ebs.value.encrypted, null)
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iops = try(ebs.value.iops, null)
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kms_key_id = try(ebs.value.kms_key_id, null)
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snapshot_id = try(ebs.value.snapshot_id, null)
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throughput = try(ebs.value.throughput, null)
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volume_size = try(ebs.value.volume_size, null)
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volume_type = try(ebs.value.volume_type, null)
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}
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}
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no_device = try(block_device_mappings.value.no_device, null)
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virtual_name = try(block_device_mappings.value.virtual_name, null)
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}
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}
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dynamic "capacity_reservation_specification" {
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for_each = length(var.capacity_reservation_specification) > 0 ? [var.capacity_reservation_specification] : []
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content {
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capacity_reservation_preference = try(capacity_reservation_specification.value.capacity_reservation_preference, null)
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dynamic "capacity_reservation_target" {
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for_each = try([capacity_reservation_specification.value.capacity_reservation_target], [])
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content {
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capacity_reservation_id = try(capacity_reservation_target.value.capacity_reservation_id, null)
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capacity_reservation_resource_group_arn = try(capacity_reservation_target.value.capacity_reservation_resource_group_arn, null)
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}
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}
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}
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}
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dynamic "cpu_options" {
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for_each = length(var.cpu_options) > 0 ? [var.cpu_options] : []
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content {
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core_count = try(cpu_options.value.core_count, null)
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threads_per_core = try(cpu_options.value.threads_per_core, null)
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}
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}
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dynamic "credit_specification" {
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for_each = length(var.credit_specification) > 0 ? [var.credit_specification] : []
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content {
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cpu_credits = try(credit_specification.value.cpu_credits, null)
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}
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}
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default_version = var.launch_template_default_version
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description = var.launch_template_description
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disable_api_termination = var.disable_api_termination
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ebs_optimized = var.ebs_optimized
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dynamic "elastic_gpu_specifications" {
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for_each = var.elastic_gpu_specifications
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content {
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type = elastic_gpu_specifications.value.type
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}
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}
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dynamic "elastic_inference_accelerator" {
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for_each = length(var.elastic_inference_accelerator) > 0 ? [var.elastic_inference_accelerator] : []
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content {
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type = elastic_inference_accelerator.value.type
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}
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}
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dynamic "enclave_options" {
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for_each = length(var.enclave_options) > 0 ? [var.enclave_options] : []
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content {
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enabled = enclave_options.value.enabled
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}
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}
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dynamic "hibernation_options" {
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for_each = length(var.hibernation_options) > 0 ? [var.hibernation_options] : []
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content {
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configured = hibernation_options.value.configured
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}
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}
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iam_instance_profile {
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arn = var.create_iam_instance_profile ? aws_iam_instance_profile.this[0].arn : var.iam_instance_profile_arn
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}
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image_id = coalesce(var.ami_id, data.aws_ami.eks_default[0].image_id)
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instance_initiated_shutdown_behavior = var.instance_initiated_shutdown_behavior
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dynamic "instance_market_options" {
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for_each = length(var.instance_market_options) > 0 ? [var.instance_market_options] : []
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content {
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market_type = try(instance_market_options.value.market_type, null)
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dynamic "spot_options" {
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for_each = try([instance_market_options.value.spot_options], [])
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content {
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block_duration_minutes = try(spot_options.value.block_duration_minutes, null)
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instance_interruption_behavior = try(spot_options.value.instance_interruption_behavior, null)
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max_price = try(spot_options.value.max_price, null)
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spot_instance_type = try(spot_options.value.spot_instance_type, null)
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valid_until = try(spot_options.value.valid_until, null)
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}
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}
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}
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}
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dynamic "instance_requirements" {
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for_each = length(var.instance_requirements) > 0 ? [var.instance_requirements] : []
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content {
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dynamic "accelerator_count" {
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for_each = try([instance_requirements.value.accelerator_count], [])
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content {
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max = try(accelerator_count.value.max, null)
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min = try(accelerator_count.value.min, null)
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}
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}
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accelerator_manufacturers = try(instance_requirements.value.accelerator_manufacturers, [])
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accelerator_names = try(instance_requirements.value.accelerator_names, [])
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dynamic "accelerator_total_memory_mib" {
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for_each = try([instance_requirements.value.accelerator_total_memory_mib], [])
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content {
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max = try(accelerator_total_memory_mib.value.max, null)
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min = try(accelerator_total_memory_mib.value.min, null)
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}
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}
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accelerator_types = try(instance_requirements.value.accelerator_types, [])
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allowed_instance_types = try(instance_requirements.value.allowed_instance_types, null)
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bare_metal = try(instance_requirements.value.bare_metal, null)
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dynamic "baseline_ebs_bandwidth_mbps" {
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for_each = try([instance_requirements.value.baseline_ebs_bandwidth_mbps], [])
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content {
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max = try(baseline_ebs_bandwidth_mbps.value.max, null)
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min = try(baseline_ebs_bandwidth_mbps.value.min, null)
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}
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}
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burstable_performance = try(instance_requirements.value.burstable_performance, null)
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cpu_manufacturers = try(instance_requirements.value.cpu_manufacturers, [])
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excluded_instance_types = try(instance_requirements.value.excluded_instance_types, null)
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instance_generations = try(instance_requirements.value.instance_generations, [])
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local_storage = try(instance_requirements.value.local_storage, null)
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local_storage_types = try(instance_requirements.value.local_storage_types, [])
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dynamic "memory_gib_per_vcpu" {
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for_each = try([instance_requirements.value.memory_gib_per_vcpu], [])
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content {
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max = try(memory_gib_per_vcpu.value.max, null)
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min = try(memory_gib_per_vcpu.value.min, null)
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}
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}
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dynamic "memory_mib" {
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for_each = [instance_requirements.value.memory_mib]
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content {
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max = try(memory_mib.value.max, null)
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min = memory_mib.value.min
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}
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}
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dynamic "network_bandwidth_gbps" {
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for_each = try([instance_requirements.value.network_bandwidth_gbps], [])
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content {
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max = try(network_bandwidth_gbps.value.max, null)
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min = try(network_bandwidth_gbps.value.min, null)
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}
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}
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dynamic "network_interface_count" {
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for_each = try([instance_requirements.value.network_interface_count], [])
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content {
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max = try(network_interface_count.value.max, null)
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min = try(network_interface_count.value.min, null)
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}
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}
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on_demand_max_price_percentage_over_lowest_price = try(instance_requirements.value.on_demand_max_price_percentage_over_lowest_price, null)
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require_hibernate_support = try(instance_requirements.value.require_hibernate_support, null)
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spot_max_price_percentage_over_lowest_price = try(instance_requirements.value.spot_max_price_percentage_over_lowest_price, null)
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dynamic "total_local_storage_gb" {
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for_each = try([instance_requirements.value.total_local_storage_gb], [])
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content {
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max = try(total_local_storage_gb.value.max, null)
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min = try(total_local_storage_gb.value.min, null)
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}
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}
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dynamic "vcpu_count" {
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for_each = [instance_requirements.value.vcpu_count]
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content {
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max = try(vcpu_count.value.max, null)
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min = vcpu_count.value.min
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}
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}
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}
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}
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instance_type = var.instance_type
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kernel_id = var.kernel_id
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key_name = var.key_name
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dynamic "license_specification" {
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for_each = length(var.license_specifications) > 0 ? var.license_specifications : {}
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content {
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license_configuration_arn = license_specification.value.license_configuration_arn
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}
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}
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dynamic "maintenance_options" {
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for_each = length(var.maintenance_options) > 0 ? [var.maintenance_options] : []
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content {
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auto_recovery = try(maintenance_options.value.auto_recovery, null)
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}
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}
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dynamic "metadata_options" {
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for_each = length(var.metadata_options) > 0 ? [var.metadata_options] : []
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content {
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http_endpoint = try(metadata_options.value.http_endpoint, null)
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http_protocol_ipv6 = try(metadata_options.value.http_protocol_ipv6, null)
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http_put_response_hop_limit = try(metadata_options.value.http_put_response_hop_limit, null)
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http_tokens = try(metadata_options.value.http_tokens, null)
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instance_metadata_tags = try(metadata_options.value.instance_metadata_tags, null)
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}
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}
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dynamic "monitoring" {
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for_each = var.enable_monitoring ? [1] : []
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content {
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enabled = var.enable_monitoring
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}
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}
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name = var.launch_template_use_name_prefix ? null : local.launch_template_name
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name_prefix = var.launch_template_use_name_prefix ? "${local.launch_template_name}-" : null
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dynamic "network_interfaces" {
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for_each = local.network_interfaces
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content {
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associate_carrier_ip_address = try(network_interfaces.value.associate_carrier_ip_address, null)
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associate_public_ip_address = try(network_interfaces.value.associate_public_ip_address, null)
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delete_on_termination = try(network_interfaces.value.delete_on_termination, null)
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description = try(network_interfaces.value.description, null)
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device_index = try(network_interfaces.value.device_index, null)
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interface_type = try(network_interfaces.value.interface_type, null)
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ipv4_address_count = try(network_interfaces.value.ipv4_address_count, null)
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ipv4_addresses = try(network_interfaces.value.ipv4_addresses, [])
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ipv4_prefix_count = try(network_interfaces.value.ipv4_prefix_count, null)
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ipv4_prefixes = try(network_interfaces.value.ipv4_prefixes, null)
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ipv6_address_count = try(network_interfaces.value.ipv6_address_count, null)
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ipv6_addresses = try(network_interfaces.value.ipv6_addresses, [])
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ipv6_prefix_count = try(network_interfaces.value.ipv6_prefix_count, null)
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ipv6_prefixes = try(network_interfaces.value.ipv6_prefixes, [])
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network_card_index = try(network_interfaces.value.network_card_index, null)
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network_interface_id = try(network_interfaces.value.network_interface_id, null)
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private_ip_address = try(network_interfaces.value.private_ip_address, null)
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# Ref: https://github.com/hashicorp/terraform-provider-aws/issues/4570
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security_groups = compact(concat(try(network_interfaces.value.security_groups, []), local.security_group_ids))
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subnet_id = try(network_interfaces.value.subnet_id, null)
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}
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}
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dynamic "placement" {
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for_each = length(local.placement) > 0 ? [local.placement] : []
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content {
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affinity = try(placement.value.affinity, null)
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availability_zone = lookup(placement.value, "availability_zone", null)
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group_name = lookup(placement.value, "group_name", null)
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host_id = lookup(placement.value, "host_id", null)
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host_resource_group_arn = lookup(placement.value, "host_resource_group_arn", null)
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partition_number = try(placement.value.partition_number, null)
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spread_domain = try(placement.value.spread_domain, null)
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tenancy = try(placement.value.tenancy, null)
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}
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}
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dynamic "private_dns_name_options" {
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for_each = length(var.private_dns_name_options) > 0 ? [var.private_dns_name_options] : []
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content {
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enable_resource_name_dns_aaaa_record = try(private_dns_name_options.value.enable_resource_name_dns_aaaa_record, null)
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enable_resource_name_dns_a_record = try(private_dns_name_options.value.enable_resource_name_dns_a_record, null)
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hostname_type = try(private_dns_name_options.value.hostname_type, null)
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}
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}
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ram_disk_id = var.ram_disk_id
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dynamic "tag_specifications" {
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for_each = toset(var.tag_specifications)
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content {
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resource_type = tag_specifications.key
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tags = merge(var.tags, { Name = var.name }, var.launch_template_tags)
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}
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}
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update_default_version = var.update_launch_template_default_version
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user_data = module.user_data.user_data
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vpc_security_group_ids = length(local.network_interfaces) > 0 ? [] : local.security_group_ids
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tags = var.tags
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# Prevent premature access of policies by pods that
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# require permissions on create/destroy that depend on nodes
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depends_on = [
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aws_iam_role_policy_attachment.this,
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]
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lifecycle {
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create_before_destroy = true
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}
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}
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################################################################################
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# Node Group
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################################################################################
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locals {
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launch_template_id = var.create && var.create_launch_template ? aws_launch_template.this[0].id : var.launch_template_id
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# Change order to allow users to set version priority before using defaults
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launch_template_version = coalesce(var.launch_template_version, try(aws_launch_template.this[0].default_version, "$Default"))
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}
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resource "aws_autoscaling_group" "this" {
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count = var.create && var.create_autoscaling_group ? 1 : 0
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availability_zones = var.availability_zones
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capacity_rebalance = var.capacity_rebalance
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context = var.context
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default_cooldown = var.default_cooldown
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default_instance_warmup = var.default_instance_warmup
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desired_capacity = var.desired_size
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enabled_metrics = var.enabled_metrics
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force_delete = var.force_delete
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force_delete_warm_pool = var.force_delete_warm_pool
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health_check_grace_period = var.health_check_grace_period
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health_check_type = var.health_check_type
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dynamic "initial_lifecycle_hook" {
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for_each = var.initial_lifecycle_hooks
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content {
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default_result = try(initial_lifecycle_hook.value.default_result, null)
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heartbeat_timeout = try(initial_lifecycle_hook.value.heartbeat_timeout, null)
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lifecycle_transition = initial_lifecycle_hook.value.lifecycle_transition
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name = initial_lifecycle_hook.value.name
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|
notification_metadata = try(initial_lifecycle_hook.value.notification_metadata, null)
|
|
notification_target_arn = try(initial_lifecycle_hook.value.notification_target_arn, null)
|
|
role_arn = try(initial_lifecycle_hook.value.role_arn, null)
|
|
}
|
|
}
|
|
|
|
dynamic "instance_maintenance_policy" {
|
|
for_each = length(var.instance_maintenance_policy) > 0 ? [var.instance_maintenance_policy] : []
|
|
|
|
content {
|
|
min_healthy_percentage = instance_maintenance_policy.value.min_healthy_percentage
|
|
max_healthy_percentage = instance_maintenance_policy.value.max_healthy_percentage
|
|
}
|
|
}
|
|
|
|
dynamic "instance_refresh" {
|
|
for_each = length(var.instance_refresh) > 0 ? [var.instance_refresh] : []
|
|
|
|
content {
|
|
dynamic "preferences" {
|
|
for_each = try([instance_refresh.value.preferences], [])
|
|
|
|
content {
|
|
checkpoint_delay = try(preferences.value.checkpoint_delay, null)
|
|
checkpoint_percentages = try(preferences.value.checkpoint_percentages, null)
|
|
instance_warmup = try(preferences.value.instance_warmup, null)
|
|
max_healthy_percentage = try(preferences.value.max_healthy_percentage, null)
|
|
min_healthy_percentage = try(preferences.value.min_healthy_percentage, null)
|
|
scale_in_protected_instances = try(preferences.value.scale_in_protected_instances, null)
|
|
skip_matching = try(preferences.value.skip_matching, null)
|
|
standby_instances = try(preferences.value.standby_instances, null)
|
|
}
|
|
}
|
|
|
|
strategy = instance_refresh.value.strategy
|
|
triggers = try(instance_refresh.value.triggers, null)
|
|
}
|
|
}
|
|
|
|
dynamic "launch_template" {
|
|
for_each = var.use_mixed_instances_policy ? [] : [1]
|
|
|
|
content {
|
|
id = local.launch_template_id
|
|
version = local.launch_template_version
|
|
}
|
|
}
|
|
|
|
max_instance_lifetime = var.max_instance_lifetime
|
|
max_size = var.max_size
|
|
metrics_granularity = var.metrics_granularity
|
|
min_elb_capacity = var.min_elb_capacity
|
|
min_size = var.min_size
|
|
|
|
dynamic "mixed_instances_policy" {
|
|
for_each = var.use_mixed_instances_policy ? [var.mixed_instances_policy] : []
|
|
|
|
content {
|
|
dynamic "instances_distribution" {
|
|
for_each = try([mixed_instances_policy.value.instances_distribution], [])
|
|
|
|
content {
|
|
on_demand_allocation_strategy = try(instances_distribution.value.on_demand_allocation_strategy, null)
|
|
on_demand_base_capacity = try(instances_distribution.value.on_demand_base_capacity, null)
|
|
on_demand_percentage_above_base_capacity = try(instances_distribution.value.on_demand_percentage_above_base_capacity, null)
|
|
spot_allocation_strategy = try(instances_distribution.value.spot_allocation_strategy, null)
|
|
spot_instance_pools = try(instances_distribution.value.spot_instance_pools, null)
|
|
spot_max_price = try(instances_distribution.value.spot_max_price, null)
|
|
}
|
|
}
|
|
|
|
launch_template {
|
|
launch_template_specification {
|
|
launch_template_id = local.launch_template_id
|
|
version = local.launch_template_version
|
|
}
|
|
|
|
dynamic "override" {
|
|
for_each = try(mixed_instances_policy.value.override, [])
|
|
|
|
content {
|
|
dynamic "instance_requirements" {
|
|
for_each = try([override.value.instance_requirements], [])
|
|
|
|
content {
|
|
|
|
dynamic "accelerator_count" {
|
|
for_each = try([instance_requirements.value.accelerator_count], [])
|
|
|
|
content {
|
|
max = try(accelerator_count.value.max, null)
|
|
min = try(accelerator_count.value.min, null)
|
|
}
|
|
}
|
|
|
|
accelerator_manufacturers = try(instance_requirements.value.accelerator_manufacturers, [])
|
|
accelerator_names = try(instance_requirements.value.accelerator_names, [])
|
|
|
|
dynamic "accelerator_total_memory_mib" {
|
|
for_each = try([instance_requirements.value.accelerator_total_memory_mib], [])
|
|
|
|
content {
|
|
max = try(accelerator_total_memory_mib.value.max, null)
|
|
min = try(accelerator_total_memory_mib.value.min, null)
|
|
}
|
|
}
|
|
|
|
accelerator_types = try(instance_requirements.value.accelerator_types, [])
|
|
allowed_instance_types = try(instance_requirements.value.allowed_instance_types, null)
|
|
bare_metal = try(instance_requirements.value.bare_metal, null)
|
|
|
|
dynamic "baseline_ebs_bandwidth_mbps" {
|
|
for_each = try([instance_requirements.value.baseline_ebs_bandwidth_mbps], [])
|
|
|
|
content {
|
|
max = try(baseline_ebs_bandwidth_mbps.value.max, null)
|
|
min = try(baseline_ebs_bandwidth_mbps.value.min, null)
|
|
}
|
|
}
|
|
|
|
burstable_performance = try(instance_requirements.value.burstable_performance, null)
|
|
cpu_manufacturers = try(instance_requirements.value.cpu_manufacturers, [])
|
|
excluded_instance_types = try(instance_requirements.value.excluded_instance_types, [])
|
|
instance_generations = try(instance_requirements.value.instance_generations, [])
|
|
local_storage = try(instance_requirements.value.local_storage, null)
|
|
local_storage_types = try(instance_requirements.value.local_storage_types, [])
|
|
|
|
dynamic "memory_gib_per_vcpu" {
|
|
for_each = try([instance_requirements.value.memory_gib_per_vcpu], [])
|
|
|
|
content {
|
|
max = try(memory_gib_per_vcpu.value.max, null)
|
|
min = try(memory_gib_per_vcpu.value.min, null)
|
|
}
|
|
}
|
|
|
|
dynamic "memory_mib" {
|
|
for_each = [instance_requirements.value.memory_mib]
|
|
|
|
content {
|
|
max = try(memory_mib.value.max, null)
|
|
min = memory_mib.value.min
|
|
}
|
|
}
|
|
|
|
dynamic "network_interface_count" {
|
|
for_each = try([instance_requirements.value.network_interface_count], [])
|
|
|
|
content {
|
|
max = try(network_interface_count.value.max, null)
|
|
min = try(network_interface_count.value.min, null)
|
|
}
|
|
}
|
|
|
|
on_demand_max_price_percentage_over_lowest_price = try(instance_requirements.value.on_demand_max_price_percentage_over_lowest_price, null)
|
|
require_hibernate_support = try(instance_requirements.value.require_hibernate_support, null)
|
|
spot_max_price_percentage_over_lowest_price = try(instance_requirements.value.spot_max_price_percentage_over_lowest_price, null)
|
|
|
|
dynamic "total_local_storage_gb" {
|
|
for_each = try([instance_requirements.value.total_local_storage_gb], [])
|
|
|
|
content {
|
|
max = try(total_local_storage_gb.value.max, null)
|
|
min = try(total_local_storage_gb.value.min, null)
|
|
}
|
|
}
|
|
|
|
dynamic "vcpu_count" {
|
|
for_each = [instance_requirements.value.vcpu_count]
|
|
|
|
content {
|
|
max = try(vcpu_count.value.max, null)
|
|
min = vcpu_count.value.min
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
instance_type = try(override.value.instance_type, null)
|
|
|
|
dynamic "launch_template_specification" {
|
|
for_each = try([override.value.launch_template_specification], [])
|
|
|
|
content {
|
|
launch_template_id = try(launch_template_specification.value.launch_template_id, null)
|
|
version = try(launch_template_specification.value.version, null)
|
|
}
|
|
}
|
|
|
|
weighted_capacity = try(override.value.weighted_capacity, null)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
name = var.use_name_prefix ? null : var.name
|
|
name_prefix = var.use_name_prefix ? "${var.name}-" : null
|
|
placement_group = var.placement_group
|
|
protect_from_scale_in = var.protect_from_scale_in
|
|
service_linked_role_arn = var.service_linked_role_arn
|
|
suspended_processes = var.suspended_processes
|
|
|
|
dynamic "tag" {
|
|
for_each = merge(
|
|
{
|
|
"Name" = var.name
|
|
"kubernetes.io/cluster/${var.cluster_name}" = "owned"
|
|
"k8s.io/cluster/${var.cluster_name}" = "owned"
|
|
},
|
|
var.tags
|
|
)
|
|
|
|
content {
|
|
key = tag.key
|
|
value = tag.value
|
|
propagate_at_launch = true
|
|
}
|
|
}
|
|
|
|
dynamic "tag" {
|
|
for_each = var.autoscaling_group_tags
|
|
|
|
content {
|
|
key = tag.key
|
|
value = tag.value
|
|
propagate_at_launch = false
|
|
}
|
|
}
|
|
|
|
target_group_arns = var.target_group_arns
|
|
termination_policies = var.termination_policies
|
|
vpc_zone_identifier = var.enable_efa_support ? data.aws_subnets.efa[0].ids : var.subnet_ids
|
|
wait_for_capacity_timeout = var.wait_for_capacity_timeout
|
|
wait_for_elb_capacity = var.wait_for_elb_capacity
|
|
|
|
dynamic "warm_pool" {
|
|
for_each = length(var.warm_pool) > 0 ? [var.warm_pool] : []
|
|
|
|
content {
|
|
dynamic "instance_reuse_policy" {
|
|
for_each = try([warm_pool.value.instance_reuse_policy], [])
|
|
|
|
content {
|
|
reuse_on_scale_in = try(instance_reuse_policy.value.reuse_on_scale_in, null)
|
|
}
|
|
}
|
|
|
|
max_group_prepared_capacity = try(warm_pool.value.max_group_prepared_capacity, null)
|
|
min_size = try(warm_pool.value.min_size, null)
|
|
pool_state = try(warm_pool.value.pool_state, null)
|
|
}
|
|
}
|
|
|
|
timeouts {
|
|
delete = var.delete_timeout
|
|
}
|
|
|
|
lifecycle {
|
|
create_before_destroy = true
|
|
ignore_changes = [
|
|
desired_capacity
|
|
]
|
|
}
|
|
}
|
|
|
|
################################################################################
|
|
# IAM Role
|
|
################################################################################
|
|
|
|
locals {
|
|
iam_role_name = coalesce(var.iam_role_name, "${var.name}-node-group")
|
|
iam_role_policy_prefix = "arn:${data.aws_partition.current.partition}:iam::aws:policy"
|
|
cni_policy = var.cluster_ip_family == "ipv6" ? "arn:${data.aws_partition.current.partition}:iam::${data.aws_caller_identity.current.account_id}:policy/AmazonEKS_CNI_IPv6_Policy" : "${local.iam_role_policy_prefix}/AmazonEKS_CNI_Policy"
|
|
}
|
|
|
|
data "aws_iam_policy_document" "assume_role_policy" {
|
|
count = var.create && var.create_iam_instance_profile ? 1 : 0
|
|
|
|
statement {
|
|
sid = "EKSNodeAssumeRole"
|
|
actions = ["sts:AssumeRole"]
|
|
|
|
principals {
|
|
type = "Service"
|
|
identifiers = ["ec2.amazonaws.com"]
|
|
}
|
|
}
|
|
}
|
|
|
|
resource "aws_iam_role" "this" {
|
|
count = var.create && var.create_iam_instance_profile ? 1 : 0
|
|
|
|
name = var.iam_role_use_name_prefix ? null : local.iam_role_name
|
|
name_prefix = var.iam_role_use_name_prefix ? "${local.iam_role_name}-" : null
|
|
path = var.iam_role_path
|
|
description = var.iam_role_description
|
|
|
|
assume_role_policy = data.aws_iam_policy_document.assume_role_policy[0].json
|
|
permissions_boundary = var.iam_role_permissions_boundary
|
|
force_detach_policies = true
|
|
|
|
tags = merge(var.tags, var.iam_role_tags)
|
|
}
|
|
|
|
resource "aws_iam_role_policy_attachment" "this" {
|
|
for_each = { for k, v in toset(compact([
|
|
"${local.iam_role_policy_prefix}/AmazonEKSWorkerNodePolicy",
|
|
"${local.iam_role_policy_prefix}/AmazonEC2ContainerRegistryReadOnly",
|
|
var.iam_role_attach_cni_policy ? local.cni_policy : "",
|
|
])) : k => v if var.create && var.create_iam_instance_profile }
|
|
|
|
policy_arn = each.value
|
|
role = aws_iam_role.this[0].name
|
|
}
|
|
|
|
resource "aws_iam_role_policy_attachment" "additional" {
|
|
for_each = { for k, v in var.iam_role_additional_policies : k => v if var.create && var.create_iam_instance_profile }
|
|
|
|
policy_arn = each.value
|
|
role = aws_iam_role.this[0].name
|
|
}
|
|
|
|
resource "aws_iam_instance_profile" "this" {
|
|
count = var.create && var.create_iam_instance_profile ? 1 : 0
|
|
|
|
role = aws_iam_role.this[0].name
|
|
|
|
name = var.iam_role_use_name_prefix ? null : local.iam_role_name
|
|
name_prefix = var.iam_role_use_name_prefix ? "${local.iam_role_name}-" : null
|
|
path = var.iam_role_path
|
|
|
|
tags = merge(var.tags, var.iam_role_tags)
|
|
|
|
lifecycle {
|
|
create_before_destroy = true
|
|
}
|
|
}
|
|
|
|
################################################################################
|
|
# Placement Group
|
|
################################################################################
|
|
|
|
resource "aws_placement_group" "this" {
|
|
count = var.create && var.enable_efa_support ? 1 : 0
|
|
|
|
name = "${var.cluster_name}-${var.name}"
|
|
strategy = "cluster"
|
|
|
|
tags = var.tags
|
|
}
|
|
|
|
################################################################################
|
|
# Instance AZ Lookup
|
|
|
|
# Instances usually used in placement groups w/ EFA are only available in
|
|
# select availability zones. These data sources will cross reference the availability
|
|
# zones supported by the instance type with the subnets provided to ensure only
|
|
# AZs/subnets that are supported are used.
|
|
################################################################################
|
|
|
|
# Find the availability zones supported by the instance type
|
|
data "aws_ec2_instance_type_offerings" "this" {
|
|
count = var.create && var.enable_efa_support ? 1 : 0
|
|
|
|
filter {
|
|
name = "instance-type"
|
|
values = [var.instance_type]
|
|
}
|
|
|
|
location_type = "availability-zone-id"
|
|
}
|
|
|
|
# Reverse the lookup to find one of the subnets provided based on the availability
|
|
# availability zone ID of the queried instance type (supported)
|
|
data "aws_subnets" "efa" {
|
|
count = var.create && var.enable_efa_support ? 1 : 0
|
|
|
|
filter {
|
|
name = "subnet-id"
|
|
values = var.subnet_ids
|
|
}
|
|
|
|
filter {
|
|
name = "availability-zone-id"
|
|
values = data.aws_ec2_instance_type_offerings.this[0].locations
|
|
}
|
|
}
|
|
|
|
################################################################################
|
|
# Access Entry
|
|
################################################################################
|
|
|
|
resource "aws_eks_access_entry" "this" {
|
|
count = var.create && var.create_access_entry ? 1 : 0
|
|
|
|
cluster_name = var.cluster_name
|
|
principal_arn = var.create_iam_instance_profile ? aws_iam_role.this[0].arn : var.iam_role_arn
|
|
type = var.platform == "windows" ? "EC2_WINDOWS" : "EC2_LINUX"
|
|
|
|
tags = var.tags
|
|
}
|
|
|
|
################################################################################
|
|
# Autoscaling group schedule
|
|
################################################################################
|
|
|
|
resource "aws_autoscaling_schedule" "this" {
|
|
for_each = { for k, v in var.schedules : k => v if var.create && var.create_schedule }
|
|
|
|
scheduled_action_name = each.key
|
|
autoscaling_group_name = aws_autoscaling_group.this[0].name
|
|
|
|
min_size = try(each.value.min_size, null)
|
|
max_size = try(each.value.max_size, null)
|
|
desired_capacity = try(each.value.desired_size, null)
|
|
start_time = try(each.value.start_time, null)
|
|
end_time = try(each.value.end_time, null)
|
|
time_zone = try(each.value.time_zone, null)
|
|
|
|
# [Minute] [Hour] [Day_of_Month] [Month_of_Year] [Day_of_Week]
|
|
# Cron examples: https://crontab.guru/examples.html
|
|
recurrence = try(each.value.recurrence, null)
|
|
}
|