docs: Move examples that are more like test cases to the new tests/ directory; add better example configurations (#3069)

* chore: Move examples that are more like test cases to the new `tests/` directory

* chore: Stash

* feat: Add better examples for EKS managed node groups

* chore: Add better examples for self-managed node groups

* chore: Update docs and correct `nodegroup` to `node group`
This commit is contained in:
Bryant Biggs
2024-06-13 10:51:40 -04:00
committed by GitHub
parent 73b752a1e3
commit 323fb759d7
85 changed files with 509 additions and 109 deletions

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# Fargate Profile
## Usage
To provision the provided configurations you need to execute:
```bash
$ terraform init
$ terraform plan
$ terraform apply --auto-approve
```
Note that this example may create resources which cost money. Run `terraform destroy` when you don't need these resources.
<!-- BEGINNING OF PRE-COMMIT-TERRAFORM DOCS HOOK -->
## Requirements
| Name | Version |
|------|---------|
| <a name="requirement_terraform"></a> [terraform](#requirement\_terraform) | >= 1.3.2 |
| <a name="requirement_aws"></a> [aws](#requirement\_aws) | >= 5.40 |
## Providers
| Name | Version |
|------|---------|
| <a name="provider_aws"></a> [aws](#provider\_aws) | >= 5.40 |
## Modules
| Name | Source | Version |
|------|--------|---------|
| <a name="module_disabled_fargate_profile"></a> [disabled\_fargate\_profile](#module\_disabled\_fargate\_profile) | ../../modules/fargate-profile | n/a |
| <a name="module_eks"></a> [eks](#module\_eks) | ../.. | n/a |
| <a name="module_fargate_profile"></a> [fargate\_profile](#module\_fargate\_profile) | ../../modules/fargate-profile | n/a |
| <a name="module_vpc"></a> [vpc](#module\_vpc) | terraform-aws-modules/vpc/aws | ~> 5.0 |
## Resources
| Name | Type |
|------|------|
| [aws_iam_policy.additional](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/iam_policy) | resource |
| [aws_availability_zones.available](https://registry.terraform.io/providers/hashicorp/aws/latest/docs/data-sources/availability_zones) | data source |
## Inputs
No inputs.
## Outputs
| Name | Description |
|------|-------------|
| <a name="output_access_entries"></a> [access\_entries](#output\_access\_entries) | Map of access entries created and their attributes |
| <a name="output_cloudwatch_log_group_arn"></a> [cloudwatch\_log\_group\_arn](#output\_cloudwatch\_log\_group\_arn) | Arn of cloudwatch log group created |
| <a name="output_cloudwatch_log_group_name"></a> [cloudwatch\_log\_group\_name](#output\_cloudwatch\_log\_group\_name) | Name of cloudwatch log group created |
| <a name="output_cluster_addons"></a> [cluster\_addons](#output\_cluster\_addons) | Map of attribute maps for all EKS cluster addons enabled |
| <a name="output_cluster_arn"></a> [cluster\_arn](#output\_cluster\_arn) | The Amazon Resource Name (ARN) of the cluster |
| <a name="output_cluster_certificate_authority_data"></a> [cluster\_certificate\_authority\_data](#output\_cluster\_certificate\_authority\_data) | Base64 encoded certificate data required to communicate with the cluster |
| <a name="output_cluster_endpoint"></a> [cluster\_endpoint](#output\_cluster\_endpoint) | Endpoint for your Kubernetes API server |
| <a name="output_cluster_iam_role_arn"></a> [cluster\_iam\_role\_arn](#output\_cluster\_iam\_role\_arn) | IAM role ARN of the EKS cluster |
| <a name="output_cluster_iam_role_name"></a> [cluster\_iam\_role\_name](#output\_cluster\_iam\_role\_name) | IAM role name of the EKS cluster |
| <a name="output_cluster_iam_role_unique_id"></a> [cluster\_iam\_role\_unique\_id](#output\_cluster\_iam\_role\_unique\_id) | Stable and unique string identifying the IAM role |
| <a name="output_cluster_id"></a> [cluster\_id](#output\_cluster\_id) | The ID of the EKS cluster. Note: currently a value is returned only for local EKS clusters created on Outposts |
| <a name="output_cluster_identity_providers"></a> [cluster\_identity\_providers](#output\_cluster\_identity\_providers) | Map of attribute maps for all EKS identity providers enabled |
| <a name="output_cluster_ip_family"></a> [cluster\_ip\_family](#output\_cluster\_ip\_family) | The IP family used by the cluster (e.g. `ipv4` or `ipv6`) |
| <a name="output_cluster_name"></a> [cluster\_name](#output\_cluster\_name) | The name of the EKS cluster |
| <a name="output_cluster_oidc_issuer_url"></a> [cluster\_oidc\_issuer\_url](#output\_cluster\_oidc\_issuer\_url) | The URL on the EKS cluster for the OpenID Connect identity provider |
| <a name="output_cluster_platform_version"></a> [cluster\_platform\_version](#output\_cluster\_platform\_version) | Platform version for the cluster |
| <a name="output_cluster_primary_security_group_id"></a> [cluster\_primary\_security\_group\_id](#output\_cluster\_primary\_security\_group\_id) | Cluster security group that was created by Amazon EKS for the cluster. Managed node groups use this security group for control-plane-to-data-plane communication. Referred to as 'Cluster security group' in the EKS console |
| <a name="output_cluster_security_group_arn"></a> [cluster\_security\_group\_arn](#output\_cluster\_security\_group\_arn) | Amazon Resource Name (ARN) of the cluster security group |
| <a name="output_cluster_security_group_id"></a> [cluster\_security\_group\_id](#output\_cluster\_security\_group\_id) | ID of the cluster security group |
| <a name="output_cluster_service_cidr"></a> [cluster\_service\_cidr](#output\_cluster\_service\_cidr) | The CIDR block where Kubernetes pod and service IP addresses are assigned from |
| <a name="output_cluster_status"></a> [cluster\_status](#output\_cluster\_status) | Status of the EKS cluster. One of `CREATING`, `ACTIVE`, `DELETING`, `FAILED` |
| <a name="output_cluster_tls_certificate_sha1_fingerprint"></a> [cluster\_tls\_certificate\_sha1\_fingerprint](#output\_cluster\_tls\_certificate\_sha1\_fingerprint) | The SHA1 fingerprint of the public key of the cluster's certificate |
| <a name="output_eks_managed_node_groups"></a> [eks\_managed\_node\_groups](#output\_eks\_managed\_node\_groups) | Map of attribute maps for all EKS managed node groups created |
| <a name="output_eks_managed_node_groups_autoscaling_group_names"></a> [eks\_managed\_node\_groups\_autoscaling\_group\_names](#output\_eks\_managed\_node\_groups\_autoscaling\_group\_names) | List of the autoscaling group names created by EKS managed node groups |
| <a name="output_fargate_profiles"></a> [fargate\_profiles](#output\_fargate\_profiles) | Map of attribute maps for all EKS Fargate Profiles created |
| <a name="output_kms_key_arn"></a> [kms\_key\_arn](#output\_kms\_key\_arn) | The Amazon Resource Name (ARN) of the key |
| <a name="output_kms_key_id"></a> [kms\_key\_id](#output\_kms\_key\_id) | The globally unique identifier for the key |
| <a name="output_kms_key_policy"></a> [kms\_key\_policy](#output\_kms\_key\_policy) | The IAM resource policy set on the key |
| <a name="output_node_security_group_arn"></a> [node\_security\_group\_arn](#output\_node\_security\_group\_arn) | Amazon Resource Name (ARN) of the node shared security group |
| <a name="output_node_security_group_id"></a> [node\_security\_group\_id](#output\_node\_security\_group\_id) | ID of the node shared security group |
| <a name="output_oidc_provider"></a> [oidc\_provider](#output\_oidc\_provider) | The OpenID Connect identity provider (issuer URL without leading `https://`) |
| <a name="output_oidc_provider_arn"></a> [oidc\_provider\_arn](#output\_oidc\_provider\_arn) | The ARN of the OIDC Provider if `enable_irsa = true` |
| <a name="output_self_managed_node_groups"></a> [self\_managed\_node\_groups](#output\_self\_managed\_node\_groups) | Map of attribute maps for all self managed node groups created |
| <a name="output_self_managed_node_groups_autoscaling_group_names"></a> [self\_managed\_node\_groups\_autoscaling\_group\_names](#output\_self\_managed\_node\_groups\_autoscaling\_group\_names) | List of the autoscaling group names created by self-managed node groups |
<!-- END OF PRE-COMMIT-TERRAFORM DOCS HOOK -->

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provider "aws" {
region = local.region
}
data "aws_availability_zones" "available" {}
locals {
name = "ex-${basename(path.cwd)}"
cluster_version = "1.30"
region = "eu-west-1"
vpc_cidr = "10.0.0.0/16"
azs = slice(data.aws_availability_zones.available.names, 0, 3)
tags = {
Test = local.name
GithubRepo = "terraform-aws-eks"
GithubOrg = "terraform-aws-modules"
}
}
################################################################################
# EKS Module
################################################################################
module "eks" {
source = "../.."
cluster_name = local.name
cluster_version = local.cluster_version
cluster_endpoint_public_access = true
cluster_addons = {
kube-proxy = {}
vpc-cni = {}
coredns = {
configuration_values = jsonencode({
computeType = "fargate"
})
}
}
vpc_id = module.vpc.vpc_id
subnet_ids = module.vpc.private_subnets
control_plane_subnet_ids = module.vpc.intra_subnets
# Fargate profiles use the cluster primary security group so these are not utilized
create_cluster_security_group = false
create_node_security_group = false
fargate_profile_defaults = {
iam_role_additional_policies = {
additional = aws_iam_policy.additional.arn
}
}
fargate_profiles = {
example = {
name = "example"
selectors = [
{
namespace = "backend"
labels = {
Application = "backend"
}
},
{
namespace = "app-*"
labels = {
Application = "app-wildcard"
}
}
]
# Using specific subnets instead of the subnets supplied for the cluster itself
subnet_ids = [module.vpc.private_subnets[1]]
tags = {
Owner = "secondary"
}
}
kube-system = {
selectors = [
{ namespace = "kube-system" }
]
}
}
tags = local.tags
}
################################################################################
# Sub-Module Usage on Existing/Separate Cluster
################################################################################
module "fargate_profile" {
source = "../../modules/fargate-profile"
name = "separate-fargate-profile"
cluster_name = module.eks.cluster_name
subnet_ids = module.vpc.private_subnets
selectors = [{
namespace = "kube-system"
}]
tags = merge(local.tags, { Separate = "fargate-profile" })
}
module "disabled_fargate_profile" {
source = "../../modules/fargate-profile"
create = false
}
################################################################################
# Supporting Resources
################################################################################
module "vpc" {
source = "terraform-aws-modules/vpc/aws"
version = "~> 5.0"
name = local.name
cidr = local.vpc_cidr
azs = local.azs
private_subnets = [for k, v in local.azs : cidrsubnet(local.vpc_cidr, 4, k)]
public_subnets = [for k, v in local.azs : cidrsubnet(local.vpc_cidr, 8, k + 48)]
intra_subnets = [for k, v in local.azs : cidrsubnet(local.vpc_cidr, 8, k + 52)]
enable_nat_gateway = true
single_nat_gateway = true
public_subnet_tags = {
"kubernetes.io/role/elb" = 1
}
private_subnet_tags = {
"kubernetes.io/role/internal-elb" = 1
}
tags = local.tags
}
resource "aws_iam_policy" "additional" {
name = "${local.name}-additional"
policy = jsonencode({
Version = "2012-10-17"
Statement = [
{
Action = [
"ec2:Describe*",
]
Effect = "Allow"
Resource = "*"
},
]
})
}

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################################################################################
# Cluster
################################################################################
output "cluster_arn" {
description = "The Amazon Resource Name (ARN) of the cluster"
value = module.eks.cluster_arn
}
output "cluster_certificate_authority_data" {
description = "Base64 encoded certificate data required to communicate with the cluster"
value = module.eks.cluster_certificate_authority_data
}
output "cluster_endpoint" {
description = "Endpoint for your Kubernetes API server"
value = module.eks.cluster_endpoint
}
output "cluster_id" {
description = "The ID of the EKS cluster. Note: currently a value is returned only for local EKS clusters created on Outposts"
value = module.eks.cluster_id
}
output "cluster_name" {
description = "The name of the EKS cluster"
value = module.eks.cluster_name
}
output "cluster_oidc_issuer_url" {
description = "The URL on the EKS cluster for the OpenID Connect identity provider"
value = module.eks.cluster_oidc_issuer_url
}
output "cluster_platform_version" {
description = "Platform version for the cluster"
value = module.eks.cluster_platform_version
}
output "cluster_status" {
description = "Status of the EKS cluster. One of `CREATING`, `ACTIVE`, `DELETING`, `FAILED`"
value = module.eks.cluster_status
}
output "cluster_primary_security_group_id" {
description = "Cluster security group that was created by Amazon EKS for the cluster. Managed node groups use this security group for control-plane-to-data-plane communication. Referred to as 'Cluster security group' in the EKS console"
value = module.eks.cluster_primary_security_group_id
}
output "cluster_service_cidr" {
description = "The CIDR block where Kubernetes pod and service IP addresses are assigned from"
value = module.eks.cluster_service_cidr
}
output "cluster_ip_family" {
description = "The IP family used by the cluster (e.g. `ipv4` or `ipv6`)"
value = module.eks.cluster_ip_family
}
################################################################################
# Access Entry
################################################################################
output "access_entries" {
description = "Map of access entries created and their attributes"
value = module.eks.access_entries
}
################################################################################
# KMS Key
################################################################################
output "kms_key_arn" {
description = "The Amazon Resource Name (ARN) of the key"
value = module.eks.kms_key_arn
}
output "kms_key_id" {
description = "The globally unique identifier for the key"
value = module.eks.kms_key_id
}
output "kms_key_policy" {
description = "The IAM resource policy set on the key"
value = module.eks.kms_key_policy
}
################################################################################
# Security Group
################################################################################
output "cluster_security_group_arn" {
description = "Amazon Resource Name (ARN) of the cluster security group"
value = module.eks.cluster_security_group_arn
}
output "cluster_security_group_id" {
description = "ID of the cluster security group"
value = module.eks.cluster_security_group_id
}
################################################################################
# Node Security Group
################################################################################
output "node_security_group_arn" {
description = "Amazon Resource Name (ARN) of the node shared security group"
value = module.eks.node_security_group_arn
}
output "node_security_group_id" {
description = "ID of the node shared security group"
value = module.eks.node_security_group_id
}
################################################################################
# IRSA
################################################################################
output "oidc_provider" {
description = "The OpenID Connect identity provider (issuer URL without leading `https://`)"
value = module.eks.oidc_provider
}
output "oidc_provider_arn" {
description = "The ARN of the OIDC Provider if `enable_irsa = true`"
value = module.eks.oidc_provider_arn
}
output "cluster_tls_certificate_sha1_fingerprint" {
description = "The SHA1 fingerprint of the public key of the cluster's certificate"
value = module.eks.cluster_tls_certificate_sha1_fingerprint
}
################################################################################
# IAM Role
################################################################################
output "cluster_iam_role_name" {
description = "IAM role name of the EKS cluster"
value = module.eks.cluster_iam_role_name
}
output "cluster_iam_role_arn" {
description = "IAM role ARN of the EKS cluster"
value = module.eks.cluster_iam_role_arn
}
output "cluster_iam_role_unique_id" {
description = "Stable and unique string identifying the IAM role"
value = module.eks.cluster_iam_role_unique_id
}
################################################################################
# EKS Addons
################################################################################
output "cluster_addons" {
description = "Map of attribute maps for all EKS cluster addons enabled"
value = module.eks.cluster_addons
}
################################################################################
# EKS Identity Provider
################################################################################
output "cluster_identity_providers" {
description = "Map of attribute maps for all EKS identity providers enabled"
value = module.eks.cluster_identity_providers
}
################################################################################
# CloudWatch Log Group
################################################################################
output "cloudwatch_log_group_name" {
description = "Name of cloudwatch log group created"
value = module.eks.cloudwatch_log_group_name
}
output "cloudwatch_log_group_arn" {
description = "Arn of cloudwatch log group created"
value = module.eks.cloudwatch_log_group_arn
}
################################################################################
# Fargate Profile
################################################################################
output "fargate_profiles" {
description = "Map of attribute maps for all EKS Fargate Profiles created"
value = module.eks.fargate_profiles
}
################################################################################
# EKS Managed Node Group
################################################################################
output "eks_managed_node_groups" {
description = "Map of attribute maps for all EKS managed node groups created"
value = module.eks.eks_managed_node_groups
}
output "eks_managed_node_groups_autoscaling_group_names" {
description = "List of the autoscaling group names created by EKS managed node groups"
value = module.eks.eks_managed_node_groups_autoscaling_group_names
}
################################################################################
# Self Managed Node Group
################################################################################
output "self_managed_node_groups" {
description = "Map of attribute maps for all self managed node groups created"
value = module.eks.self_managed_node_groups
}
output "self_managed_node_groups_autoscaling_group_names" {
description = "List of the autoscaling group names created by self-managed node groups"
value = module.eks.self_managed_node_groups_autoscaling_group_names
}

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terraform {
required_version = ">= 1.3.2"
required_providers {
aws = {
source = "hashicorp/aws"
version = ">= 5.40"
}
}
}