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Readme and example updates.

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This commit is contained in:
Tibo Beijen
2019-12-04 11:00:18 +01:00
parent 12f4f3a605
commit 18a0746355
7 changed files with 51 additions and 22 deletions
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README.md
+12 -5
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@@ -14,31 +14,38 @@ Read the [AWS docs on EKS to get connected to the k8s dashboard](https://docs.aw
* You want to create an EKS cluster and an autoscaling group of workers for the cluster.
* You want these resources to exist within security groups that allow communication and coordination. These can be user provided or created within the module.
* You've created a Virtual Private Cloud (VPC) and subnets where you intend to put the EKS resources. The VPC satisfies [EKS requirements](https://docs.aws.amazon.com/eks/latest/userguide/network_reqs.html).
* If `manage_aws_auth = true`, it's required that both [`kubectl`](https://kubernetes.io/docs/tasks/tools/install-kubectl/#install-kubectl) (>=1.10) and [`aws-iam-authenticator`](https://github.com/kubernetes-sigs/aws-iam-authenticator#4-set-up-kubectl-to-use-authentication-tokens-provided-by-aws-iam-authenticator-for-kubernetes) are installed and on your shell's PATH.
## Usage example
A full example leveraging other community modules is contained in the [examples/basic directory](https://github.com/terraform-aws-modules/terraform-aws-eks/tree/master/examples/basic).
```hcl
variable "create_eks" {
default = true
description = "Set to false to skip creating EKS cluster (Useful for multi-workspace, .tfvars based project layouts)."
}
data "aws_eks_cluster" "cluster" {
count = var.create_eks ? 1 : 0
name = module.eks.cluster_id
}
data "aws_eks_cluster_auth" "cluster" {
count = var.create_eks ? 1 : 0
name = module.eks.cluster_id
}
provider "kubernetes" {
host = data.aws_eks_cluster.cluster.endpoint
cluster_ca_certificate = base64decode(data.aws_eks_cluster.cluster.certificate_authority.0.data)
token = data.aws_eks_cluster_auth.cluster.token
host = element(concat(data.aws_eks_cluster.cluster[*].endpoint, list("")), 0)
cluster_ca_certificate = base64decode(element(concat(data.aws_eks_cluster.cluster[*].certificate_authority.0.data, list("")), 0))
token = element(concat(data.aws_eks_cluster_auth.cluster[*].token, list("")), 0)
load_config_file = false
version = "~> 1.9"
version = "~> 1.10"
}
module "my-cluster" {
source = "terraform-aws-modules/eks/aws"
create_eks = var.create_eks
cluster_name = "my-cluster"
cluster_version = "1.14"
subnets = ["subnet-abcde012", "subnet-bcde012a", "subnet-fghi345a"]
examples/basic/main.tf
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@@ -24,17 +24,19 @@ provider "template" {
}
data "aws_eks_cluster" "cluster" {
count = var.create_eks ? 1 : 0
name = module.eks.cluster_id
}
data "aws_eks_cluster_auth" "cluster" {
count = var.create_eks ? 1 : 0
name = module.eks.cluster_id
}
provider "kubernetes" {
host = data.aws_eks_cluster.cluster.endpoint
cluster_ca_certificate = base64decode(data.aws_eks_cluster.cluster.certificate_authority.0.data)
token = data.aws_eks_cluster_auth.cluster.token
host = element(concat(data.aws_eks_cluster.cluster[*].endpoint, list("")), 0)
cluster_ca_certificate = base64decode(element(concat(data.aws_eks_cluster.cluster[*].certificate_authority.0.data, list("")), 0))
token = element(concat(data.aws_eks_cluster_auth.cluster[*].token, list("")), 0)
load_config_file = false
version = "~> 1.10"
}
@@ -128,6 +130,7 @@ module "vpc" {
module "eks" {
source = "../.."
create_eks = var.create_eks
cluster_name = local.cluster_name
subnets = module.vpc.private_subnets
examples/basic/variables.tf
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@@ -2,6 +2,11 @@ variable "region" {
default = "us-west-2"
}
variable "create_eks" {
default = true
description = "Set to false to skip creating EKS cluster."
}
variable "map_accounts" {
description = "Additional AWS account numbers to add to the aws-auth configmap."
type = list(string)
examples/launch_templates/main.tf
+6 -3
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@@ -24,17 +24,19 @@ provider "template" {
}
data "aws_eks_cluster" "cluster" {
count = var.create_eks ? 1 : 0
name = module.eks.cluster_id
}
data "aws_eks_cluster_auth" "cluster" {
count = var.create_eks ? 1 : 0
name = module.eks.cluster_id
}
provider "kubernetes" {
host = data.aws_eks_cluster.cluster.endpoint
cluster_ca_certificate = base64decode(data.aws_eks_cluster.cluster.certificate_authority.0.data)
token = data.aws_eks_cluster_auth.cluster.token
host = element(concat(data.aws_eks_cluster.cluster[*].endpoint, list("")), 0)
cluster_ca_certificate = base64decode(element(concat(data.aws_eks_cluster.cluster[*].certificate_authority.0.data, list("")), 0))
token = element(concat(data.aws_eks_cluster_auth.cluster[*].token, list("")), 0)
load_config_file = false
version = "~> 1.10"
}
@@ -68,6 +70,7 @@ module "vpc" {
module "eks" {
source = "../.."
create_eks = var.create_eks
cluster_name = local.cluster_name
subnets = module.vpc.public_subnets
vpc_id = module.vpc.vpc_id
examples/launch_templates/variables.tf
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@@ -2,3 +2,7 @@ variable "region" {
default = "us-west-2"
}
variable "create_eks" {
default = true
description = "Set to false to skip creating EKS cluster."
}
examples/spot_instances/main.tf
+6 -3
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@@ -24,17 +24,19 @@ provider "template" {
}
data "aws_eks_cluster" "cluster" {
count = var.create_eks ? 1 : 0
name = module.eks.cluster_id
}
data "aws_eks_cluster_auth" "cluster" {
count = var.create_eks ? 1 : 0
name = module.eks.cluster_id
}
provider "kubernetes" {
host = data.aws_eks_cluster.cluster.endpoint
cluster_ca_certificate = base64decode(data.aws_eks_cluster.cluster.certificate_authority.0.data)
token = data.aws_eks_cluster_auth.cluster.token
host = element(concat(data.aws_eks_cluster.cluster[*].endpoint, list("")), 0)
cluster_ca_certificate = base64decode(element(concat(data.aws_eks_cluster.cluster[*].certificate_authority.0.data, list("")), 0))
token = element(concat(data.aws_eks_cluster_auth.cluster[*].token, list("")), 0)
load_config_file = false
version = "~> 1.10"
}
@@ -68,6 +70,7 @@ module "vpc" {
module "eks" {
source = "../.."
create_eks = var.create_eks
cluster_name = local.cluster_name
subnets = module.vpc.public_subnets
vpc_id = module.vpc.vpc_id
examples/spot_instances/variables.tf
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@@ -2,3 +2,7 @@ variable "region" {
default = "us-west-2"
}
variable "create_eks" {
default = true
description = "Set to false to skip creating EKS cluster."
}