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feat: Support additional cluster DNS IPs with Bottlerocket based AMIs (#3051)

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* Support adding additional cluster dns ranges to bottlerocket template

* Add example for multiple dns ips

* fmt, and tf docs

* fix: Use a list by default for cluster-dns-ip

---------

Co-authored-by: Bryant Biggs <bryantbiggs@gmail.com>
This commit is contained in:
Ramsey McGrath
2024-05-28 14:40:29 -04:00
committed by GitHub
parent f90f15e91e
commit 541dbb29f1
11 changed files with 30 additions and 10 deletions
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1
modules/self-managed-node-group/README.md
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@@ -82,6 +82,7 @@ module "self_managed_node_group" {
| Name | Description | Type | Default | Required |
|------|-------------|------|---------|:--------:|
| <a name="input_additional_cluster_dns_ips"></a> [additional\_cluster\_dns\_ips](#input\_additional\_cluster\_dns\_ips) | Additional DNS IP addresses to use for the cluster. Only used when `ami_type` = `BOTTLEROCKET_*` | `list(string)` | `[]` | no |
| <a name="input_ami_id"></a> [ami\_id](#input\_ami\_id) | The AMI from which to launch the instance | `string` | `""` | no |
| <a name="input_ami_type"></a> [ami\_type](#input\_ami\_type) | Type of Amazon Machine Image (AMI) associated with the node group. See the [AWS documentation](https://docs.aws.amazon.com/eks/latest/APIReference/API_Nodegroup.html#AmazonEKS-Type-Nodegroup-amiType) for valid values | `string` | `"AL2_x86_64"` | no |
| <a name="input_autoscaling_group_tags"></a> [autoscaling\_group\_tags](#input\_autoscaling\_group\_tags) | A map of additional tags to add to the autoscaling group created. Tags are applied to the autoscaling group only and are NOT propagated to instances | `map(string)` | `{}` | no |

11
modules/self-managed-node-group/main.tf
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@@ -65,11 +65,12 @@ module "user_data" {
ami_type = var.ami_type
is_eks_managed_node_group = false
cluster_name = var.cluster_name
cluster_endpoint = var.cluster_endpoint
cluster_auth_base64 = var.cluster_auth_base64
cluster_ip_family = var.cluster_ip_family
cluster_service_cidr = var.cluster_service_cidr
cluster_name = var.cluster_name
cluster_endpoint = var.cluster_endpoint
cluster_auth_base64 = var.cluster_auth_base64
cluster_ip_family = var.cluster_ip_family
cluster_service_cidr = var.cluster_service_cidr
additional_cluster_dns_ips = var.additional_cluster_dns_ips
enable_bootstrap_user_data = true
pre_bootstrap_user_data = var.pre_bootstrap_user_data

6
modules/self-managed-node-group/variables.tf
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@@ -50,6 +50,12 @@ variable "cluster_ip_family" {
default = "ipv4"
}
variable "additional_cluster_dns_ips" {
description = "Additional DNS IP addresses to use for the cluster. Only used when `ami_type` = `BOTTLEROCKET_*`"
type = list(string)
default = []
}
variable "pre_bootstrap_user_data" {
description = "User data that is injected into the user data script ahead of the EKS bootstrap script. Not used when `ami_type` = `BOTTLEROCKET_*`"
type = string