Update doc

Author: bonclay7

examples/existing-cluster-with-base-and-infra/README.md

@@ -38,7 +38,7 @@ terraform init
 To run this example, you need to provide your EKS cluster ID.
 If you don't have a cluster ready, visit [this example](../new-empty-eks-cluster) first to create a new one.
 
-Add `eks_cluster_id=xxx` to your `terraform.tfvars` or use an
+Create a `terraform.tfvars` file and add `eks_cluster_id=xxx` to your `terraform.tfvars` or
 environment variable `export TF_VAR_eks_cluster_id=xxx`.
 
 3. Amazon Managed Service for Prometheus workspace
@@ -75,7 +75,7 @@ If you don't specify anything a new workspace will be created for you.
 ## Deploy
 
 ```sh
-terraform apply -var terraform.tfvars
+terraform apply -var-file=terraform.tfvars
 ```
 
 or if you had setup environment variables

examples/new-cluster-with-base/main.tf

@@ -0,0 +1,110 @@
+provider "aws" {
+  region = local.region
+}
+
+provider "kubernetes" {
+  host                   = module.eks_blueprints.eks_cluster_endpoint
+  cluster_ca_certificate = base64decode(module.eks_blueprints.eks_cluster_certificate_authority_data)
+  token                  = data.aws_eks_cluster_auth.this.token
+}
+
+provider "helm" {
+  kubernetes {
+    host                   = module.eks_blueprints.eks_cluster_endpoint
+    cluster_ca_certificate = base64decode(module.eks_blueprints.eks_cluster_certificate_authority_data)
+    token                  = data.aws_eks_cluster_auth.this.token
+  }
+}
+
+module "vpc" {
+  source  = "terraform-aws-modules/vpc/aws"
+  version = "~> 3.0"
+
+  name = local.name
+  cidr = local.vpc_cidr
+
+  azs             = local.azs
+  public_subnets  = [for k, v in local.azs : cidrsubnet(local.vpc_cidr, 8, k)]
+  private_subnets = [for k, v in local.azs : cidrsubnet(local.vpc_cidr, 8, k + 10)]
+
+  enable_nat_gateway   = true
+  single_nat_gateway   = true
+  enable_dns_hostnames = true
+
+  # Manage so we can name
+  manage_default_network_acl    = true
+  default_network_acl_tags      = { Name = "${local.name}-default" }
+  manage_default_route_table    = true
+  default_route_table_tags      = { Name = "${local.name}-default" }
+  manage_default_security_group = true
+  default_security_group_tags   = { Name = "${local.name}-default" }
+
+  public_subnet_tags = {
+    "kubernetes.io/cluster/${local.name}" = "shared"
+    "kubernetes.io/role/elb"              = 1
+  }
+
+  private_subnet_tags = {
+    "kubernetes.io/cluster/${local.name}" = "shared"
+    "kubernetes.io/role/internal-elb"     = 1
+  }
+
+  tags = local.tags
+}
+
+module "eks_blueprints" {
+  source = "github.com/aws-ia/terraform-aws-eks-blueprints"
+
+  cluster_name    = local.name
+  cluster_version = "1.22"
+
+  vpc_id             = module.vpc.vpc_id
+  private_subnet_ids = module.vpc.private_subnets
+
+  managed_node_groups = {
+    t3_l = {
+      node_group_name = "managed-ondemand"
+      instance_types  = ["t3.large"]
+      min_size        = 2
+      subnet_ids      = module.vpc.private_subnets
+    }
+  }
+
+  tags = local.tags
+}
+
+
+module "observability_accelerator" {
+  source = "../../"
+
+  aws_region = local.region
+  eks_cluster_id = module.eks_blueprints.eks_cluster_id
+
+  enable_alertmanager = true
+  enable_managed_grafana = false
+
+  managed_grafana_workspace_id = var.managed_grafana_workspace_id
+  managed_grafana_region = var.managed_grafana_region
+
+  grafana_api_key = var.grafana_api_key
+
+  tags = {
+    Source = "aws-observability-accelerator"
+  }
+}
+
+module "infra" {
+  source = "../../modules/workloads/infra"
+
+  dashboards_folder_id = module.observability_accelerator.dashboards_folder_id
+  eks_cluster_id = module.eks_blueprints.eks_cluster_id
+  enable_alerting_rules = false
+
+  managed_prometheus_workspace_id = module.observability_accelerator.managed_prometheus_workspace_id
+  managed_prometheus_workspace_region = module.observability_accelerator.managed_prometheus_workspace_region
+
+  tags = {
+    Source = "aws-observability-accelerator"
+  }
+}
+