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Use K8S Provider to manage AWS Auth ConfigMap #3

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Apr 15, 2022
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2 changes: 1 addition & 1 deletion .tflint.hcl
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
plugin "aws" {
enabled = true
version = "0.12.0"
version = "0.13.2"
source = "github.com/terraform-linters/tflint-ruleset-aws"
}

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10 changes: 4 additions & 6 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -34,22 +34,21 @@ provision additional node groups.
| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.0 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | ~> 4.0 |
| <a name="requirement_null"></a> [null](#requirement\_null) | ~> 3.1 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 4.0 |
| <a name="requirement_kubernetes"></a> [kubernetes](#requirement\_kubernetes) | >= 2.10 |

## Providers

| Name | Version |
|------|---------|
| <a name="provider_aws"></a> [aws](#provider\_aws) | ~> 4.0 |
| <a name="provider_null"></a> [null](#provider\_null) | ~> 3.1 |
| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 4.0 |

## Modules

| Name | Source | Version |
|------|--------|---------|
| <a name="module_ebs_csi_irsa_role"></a> [ebs\_csi\_irsa\_role](#module\_ebs\_csi\_irsa\_role) | terraform-aws-modules/iam/aws//modules/iam-role-for-service-accounts-eks | ~> 4.13.1 |
| <a name="module_eks"></a> [eks](#module\_eks) | terraform-aws-modules/eks/aws | ~> 18.7.2 |
| <a name="module_eks"></a> [eks](#module\_eks) | terraform-aws-modules/eks/aws | ~> 18.20.0 |
| <a name="module_kms_ebs"></a> [kms\_ebs](#module\_kms\_ebs) | app.terraform.io/sph/kms/aws | ~> 0.1.0 |
| <a name="module_kms_secret"></a> [kms\_secret](#module\_kms\_secret) | app.terraform.io/sph/kms/aws | ~> 0.1.0 |
| <a name="module_node_groups"></a> [node\_groups](#module\_node\_groups) | ./modules/self_managed_nodes | n/a |
Expand All @@ -73,7 +72,6 @@ provision additional node groups.
| [aws_iam_role_policy_attachment.cluster](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role_policy_attachment) | resource |
| [aws_iam_role_policy_attachment.workers](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_role_policy_attachment) | resource |
| [aws_iam_service_linked_role.autoscaling](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_service_linked_role) | resource |
| [null_resource.apply](https://registry.terraform.io/providers/hashicorp/null/latest/docs/resources/resource) | resource |
| [aws_ami.eks_default_bottlerocket](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/ami) | data source |
| [aws_caller_identity.current](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/caller_identity) | data source |
| [aws_eks_cluster_auth.this](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/eks_cluster_auth) | data source |
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50 changes: 0 additions & 50 deletions aws_auth.tf

This file was deleted.

5 changes: 5 additions & 0 deletions k8s_provider.tf
Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
provider "kubernetes" {
host = module.eks.cluster_endpoint
cluster_ca_certificate = base64decode(module.eks.cluster_certificate_authority_data)
token = data.aws_eks_cluster_auth.this.token
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should we use exec instead of data.aws_eks_cluster_auth.this.token as mentioned in the comment ?
in terraform-aws-modules/terraform-aws-eks#1999 (comment)

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@lawliet89 lawliet89 Apr 14, 2022

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The terraform cloud agents will not have aws cli installed.

This data source serves the same purpose anyway.

}
9 changes: 8 additions & 1 deletion main.tf
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
module "eks" {
source = "terraform-aws-modules/eks/aws"
version = "~> 18.7.2"
version = "~> 18.20.0"

cluster_name = var.cluster_name
cluster_version = var.cluster_version
Expand Down Expand Up @@ -63,4 +63,11 @@ module "eks" {
enable_irsa = true

create_node_security_group = true

# aws-auth configmap
manage_aws_auth_configmap = true
aws_auth_node_iam_role_arns_non_windows = [aws_iam_role.workers.arn]
aws_auth_roles = var.role_mapping
aws_auth_users = var.user_mapping
aws_auth_accounts = []
}
2 changes: 1 addition & 1 deletion modules/self_managed_nodes/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,7 @@ the type of images:

| Name | Source | Version |
|------|--------|---------|
| <a name="module_self_managed_group"></a> [self\_managed\_group](#module\_self\_managed\_group) | terraform-aws-modules/eks/aws//modules/self-managed-node-group | ~> 18.7.2 |
| <a name="module_self_managed_group"></a> [self\_managed\_group](#module\_self\_managed\_group) | terraform-aws-modules/eks/aws//modules/self-managed-node-group | ~> 18.20.0 |

## Resources

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5 changes: 3 additions & 2 deletions modules/self_managed_nodes/main.tf
Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@ locals {

module "self_managed_group" {
source = "terraform-aws-modules/eks/aws//modules/self-managed-node-group"
version = "~> 18.7.2"
version = "~> 18.20.0"

for_each = local.self_managed_node_groups

Expand Down Expand Up @@ -157,5 +157,6 @@ module "self_managed_group" {
security_group_rules = try(each.value.security_group_rules, local.self_managed_node_group_defaults.security_group_rules, {})
security_group_tags = try(each.value.security_group_tags, local.self_managed_node_group_defaults.security_group_tags, {})

tags = merge(var.tags, try(each.value.tags, local.self_managed_node_group_defaults.tags, {}))
tags = merge(var.tags, try(each.value.tags, local.self_managed_node_group_defaults.tags, {}))
use_default_tags = true
}
8 changes: 4 additions & 4 deletions versions.tf
Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,11 @@ terraform {
required_providers {
aws = {
source = "hashicorp/aws"
version = "~> 4.0"
version = ">= 4.0"
}
null = {
source = "hashicorp/null"
version = "~> 3.1"
kubernetes = {
source = "hashicorp/kubernetes"
version = ">= 2.10"
}
}
}