EKS with CDK in Go

eks-cdk-go.go

package main

import (
	"github.com/aws/aws-cdk-go/awscdk"
	"github.com/aws/aws-cdk-go/awscdk/awseks"
	"github.com/aws/constructs-go/constructs/v3"
	"github.com/aws/jsii-runtime-go"
)

type EksCdkGoStackProps struct {
	awscdk.StackProps
}

func NewEksCdkGoStack(scope constructs.Construct, id string, props *EksCdkGoStackProps) awscdk.Stack {
	var sprops awscdk.StackProps
	if props != nil {
		sprops = props.StackProps
	}
	stack := awscdk.NewStack(scope, &id, &sprops)

	cluster := awseks.NewCluster(stack, jsii.String("MyNewCluster"), &awseks.ClusterProps{
		Version:     awseks.KubernetesVersion_V1_19(),
		ClusterName: jsii.String("my-new-cluster"), // Overrides the auto-generated name
	})

	cluster.AddHelmChart(jsii.String("KubePrometheusStack"), &awseks.HelmChartOptions{
		Chart:           jsii.String("kube-prometheus-stack"),
		Repository:      jsii.String("https://prometheus-community.github.io/helm-charts"),
		Namespace:       jsii.String("prometheus"),
		CreateNamespace: jsii.Bool(true),           // Defaults to true and not required, but shown for clarity
		Release:         jsii.String("prometheus"), // Overrides the auto-generated release name
	})

	return stack
}

func main() {
	app := awscdk.NewApp(nil)

	NewEksCdkGoStack(app, "EksCdkGoStack", &EksCdkGoStackProps{
		awscdk.StackProps{
			Env: env(),
		},
	})

	app.Synth(nil)
}

// env determines the AWS environment (account+region) in which our stack is to
// be deployed. For more information see: https://docs.aws.amazon.com/cdk/latest/guide/environments.html
func env() *awscdk.Environment {
	// If unspecified, this stack will be "environment-agnostic".
	// Account/Region-dependent features and context lookups will not work, but a
	// single synthesized template can be deployed anywhere.
	//---------------------------------------------------------------------------
	return nil

	// Uncomment if you know exactly what account and region you want to deploy
	// the stack to. This is the recommendation for production stacks.
	//---------------------------------------------------------------------------
	// return &awscdk.Environment{
	//  Account: jsii.String("123456789012"),
	//  Region:  jsii.String("us-east-1"),
	// }

	// Uncomment to specialize this stack for the AWS Account and Region that are
	// implied by the current CLI configuration. This is recommended for dev
	// stacks.
	//---------------------------------------------------------------------------
	// return &awscdk.Environment{
	//  Account: jsii.String(os.Getenv("CDK_DEFAULT_ACCOUNT")),
	//  Region:  jsii.String(os.Getenv("CDK_DEFAULT_REGION")),
	// }
}