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feat: Add metadata_options for node_groups (#1485)

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Maxime Brunet
2021-09-08 10:24:47 -07:00
committed by GitHub
parent 95237e9e9e
commit a1d959edef
3 changed files with 37 additions and 25 deletions
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3
modules/node_groups/README.md
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@@ -53,6 +53,9 @@ The role ARN specified in `var.default_iam_role_arn` will be used by default. In
| taints | Kubernetes node taints | list(map) | empty |
| timeouts | A map of timeouts for create/update/delete operations. | `map(string)` | Provider default behavior |
| update_default_version | Whether or not to set the new launch template version the Default | bool | `true` |
| metadata_http_endpoint | The state of the instance metadata service. Requires `create_launch_template` to be `true` | string | `var.workers_group_defaults[metadata_http_endpoint]` |
| metadata_http_tokens | If session tokens are required. Requires `create_launch_template` to be `true` | string | `var.workers_group_defaults[metadata_http_tokens]` |
| metadata_http_put_response_hop_limit | The desired HTTP PUT response hop limit for instance metadata requests. Requires `create_launch_template` to be `true` | number | `var.workers_group_defaults[metadata_http_put_response_hop_limit]` |
<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
## Requirements

6
modules/node_groups/launch_template.tf
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@@ -77,6 +77,12 @@ resource "aws_launch_template" "workers" {
key_name = lookup(each.value, "key_name", null)
metadata_options {
http_endpoint = lookup(each.value, "metadata_http_endpoint", null)
http_tokens = lookup(each.value, "metadata_http_tokens", null)
http_put_response_hop_limit = lookup(each.value, "metadata_http_put_response_hop_limit", null)
}
# Supplying custom tags to EKS instances is another use-case for LaunchTemplates
tag_specifications {
resource_type = "instance"

53
modules/node_groups/locals.tf
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@@ -2,31 +2,34 @@ locals {
# Merge defaults and per-group values to make code cleaner
node_groups_expanded = { for k, v in var.node_groups : k => merge(
{
desired_capacity = var.workers_group_defaults["asg_desired_capacity"]
iam_role_arn = var.default_iam_role_arn
instance_types = [var.workers_group_defaults["instance_type"]]
key_name = var.workers_group_defaults["key_name"]
launch_template_id = var.workers_group_defaults["launch_template_id"]
launch_template_version = var.workers_group_defaults["launch_template_version"]
set_instance_types_on_lt = false
max_capacity = var.workers_group_defaults["asg_max_size"]
min_capacity = var.workers_group_defaults["asg_min_size"]
subnets = var.workers_group_defaults["subnets"]
create_launch_template = false
kubelet_extra_args = var.workers_group_defaults["kubelet_extra_args"]
disk_size = var.workers_group_defaults["root_volume_size"]
disk_type = var.workers_group_defaults["root_volume_type"]
disk_encrypted = var.workers_group_defaults["root_encrypted"]
disk_kms_key_id = var.workers_group_defaults["root_kms_key_id"]
enable_monitoring = var.workers_group_defaults["enable_monitoring"]
eni_delete = var.workers_group_defaults["eni_delete"]
public_ip = var.workers_group_defaults["public_ip"]
pre_userdata = var.workers_group_defaults["pre_userdata"]
additional_security_group_ids = var.workers_group_defaults["additional_security_group_ids"]
taints = []
timeouts = var.workers_group_defaults["timeouts"]
update_default_version = true
ebs_optimized = null
desired_capacity = var.workers_group_defaults["asg_desired_capacity"]
iam_role_arn = var.default_iam_role_arn
instance_types = [var.workers_group_defaults["instance_type"]]
key_name = var.workers_group_defaults["key_name"]
launch_template_id = var.workers_group_defaults["launch_template_id"]
launch_template_version = var.workers_group_defaults["launch_template_version"]
set_instance_types_on_lt = false
max_capacity = var.workers_group_defaults["asg_max_size"]
min_capacity = var.workers_group_defaults["asg_min_size"]
subnets = var.workers_group_defaults["subnets"]
create_launch_template = false
kubelet_extra_args = var.workers_group_defaults["kubelet_extra_args"]
disk_size = var.workers_group_defaults["root_volume_size"]
disk_type = var.workers_group_defaults["root_volume_type"]
disk_encrypted = var.workers_group_defaults["root_encrypted"]
disk_kms_key_id = var.workers_group_defaults["root_kms_key_id"]
enable_monitoring = var.workers_group_defaults["enable_monitoring"]
eni_delete = var.workers_group_defaults["eni_delete"]
public_ip = var.workers_group_defaults["public_ip"]
pre_userdata = var.workers_group_defaults["pre_userdata"]
additional_security_group_ids = var.workers_group_defaults["additional_security_group_ids"]
taints = []
timeouts = var.workers_group_defaults["timeouts"]
update_default_version = true
ebs_optimized = null
metadata_http_endpoint = var.workers_group_defaults["metadata_http_endpoint"]
metadata_http_tokens = var.workers_group_defaults["metadata_http_tokens"]
metadata_http_put_response_hop_limit = var.workers_group_defaults["metadata_http_put_response_hop_limit"]
},
var.node_groups_defaults,
v,