Tanzu Kubernetes Grid management cluster creation fails with error "unable to create AWS CloudFormationStack"

Products

• Tanzu Kubernetes Grid
• VMware Tanzu Kubernetes Grid 1.x

Issue/Introduction

Symptoms:

• You are trying to create a management cluster on AWS
• You observe the below error during AWS CloudFormation Stack creation

Validating the pre-requisites...
Serving kickstart UI at http://127.0.0.1:8080
Creating AWS CloudFormation Stack
web socket connection established
sending pending 2 logs to UI
unable to create AWS CloudFormationStack: failed to create aws CloudFormation stack: failed to create AWS CloudFormation stack: ResourceNotReady: failed waiting for successful resource state

Environment

VMware Tanzu Kubernetes Grid 1.x

Cause

You will encounter this error if a CloudFormation stack used by TKG already exists for the AWS account. This can happen if you have created a cluster in the past under the same AWS account.

Resolution

While creating a TKG management cluster on AWS you can skip automating the creation of AWS CloudFormation Stack. Example