AWS EKS - CloudFormation Script fails (just the documented tutorial with no changes)

Question

**Summary**:

1. I have successfully deployed EKS via AWS Cloudformation template in the past (about an year ago).
2. Now when I am trying to deploy EKS via AWS Cloudformation its failing.
3. The error message is NOT clear enough for me to go and fix the reason of the crash, any tips on how to go about this error message?

**Documentation and Steps Used**

1. Page: https://aws.amazon.com/quickstart/architecture/amazon-eks/
2.  Deploy using AWS CloudFormation with new VPC

**Error Message**

| Stack name | Status |
| --- | --- |
| eks-quickstart-RegionalSharedResources | DELETE_FAILED |
| eks-quickstart-AccountSharedResources | CREATE_COMPLETE |
| Amazon-EKS | ROLLBACK_COMPLETE |

Amazon EKS (ROLLBACK_COMPLETE) has the following events that Failed

* AutoDetectSharedResources > CREATE_FAILED with log
Embedded stack arn:aws:cloudformation:us-east-2:SOME_ID : stack/Amazon-EKS-AutoDetectSharedResources-SOME_UUID was not successfully created: The following resource(s) failed to create: [ PreReqs ].
* Amazon-EKS > ROLLBACK_IN_PROGRESS with log
The following resource(s) failed to create: [AutoDetectSharedResources]. Rollback requested by user.

**One more log seems to be important (BUT the Cloudformation Script is from AWS so I doubt it might be a root cause)**

```
RegisterHelmType  CREATE_FAILED
CloudFormation did not receive a response from your Custom Resource. Please check your logs for requestId [SOME_UUID]. If you are using the Python cfn-response module, you may need to update your Lambda function code so that CloudFormation can attach the updated version.
```

Answer

To detect issue properly it would help to avoid rolling back. You can try that using
aws cloudformation create-stack --stack-name myteststack --template-body file://DOC-EXAMPLE-BUCKET.json -–disable-rollback

Answer

Hi,

We are facing the same issue in our accounts to create an EKS service. Basically the lambda fails:
  "Reason": "UnknownEndpoint: Inaccessible host: `lambda.eu-west-1.amazonaws.com' at port `undefined'. This service may not be available in the `eu-west-1' region.
    at Request.ENOTFOUND_ERROR (/var/runtime/node_modules/aws-sdk/lib/event_listeners.js:529:46)
    at Request.callListeners (/var/runtime/node_modules/aws-sdk/lib/sequential_executor.js:106:20)
    at Request.emit (/var/runtime/node_modules/aws-sdk/lib/sequential_executor.js:78:10)
    at Request.emit (/var/runtime/node_modules/aws-sdk/lib/request.js:686:14)
    at error (/var/runtime/node_modules/aws-sdk/lib/event_listeners.js:361:22)
    at ClientRequest. (/var/runtime/node_modules/aws-sdk/lib/http/node.js:99:9)
    at ClientRequest.emit (events.js:400:28)
    at ClientRequest.emit (domain.js:475:12)
    at TLSSocket.socketErrorListener (_http_client.js:475:9)
    at TLSSocket.emit (events.js:400:28)",

The step that returns this error is Authentication Manifest.

regards,
Nuno

Stack name	Status
eks-quickstart-RegionalSharedResources	DELETE_FAILED
eks-quickstart-AccountSharedResources	CREATE_COMPLETE
Amazon-EKS	ROLLBACK_COMPLETE

AWS EKS - CloudFormation Script fails (just the documented tutorial with no changes)

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