MWAA::Environment fails to create: "#/SourceBucketArn: failed validation constraint for keyword [pattern]"

[nigelellis]

Hi,

I'm trying to create an MWAA Environment resource via. CloudFormation. When attempting to create the stack I receive an error:

Error: ROLLBACK_COMPLETE: ["The following resource(s) failed to create: [AirflowMWAA]. Rollback requested by user." "Properties validation failed for resource AirflowMWAA with message:\n#/SourceBucketArn: failed validation constraint for keyword [pattern]"]

Here's a snippet of my CF stack:

Description: airflow-head
Resources:
  AirflowMWAA:
    Type: AWS::MWAA::Environment
    Properties:
      ...
      SourceBucketArn: arn:aws:s3:::my-bucket-name
      ...
    DeletionPolicy: Delete

The bucket ARN is valid and is accepted if I create the env via. the MWAA wizard in the AWS console.
How can I fix this? The error is too terse to be useful.

Thanks, Nigel.

[PatMyron]

Those messages are definitely currently difficult to interpret without looking at the resource schema itself:

      "minLength": 1,
      "maxLength": 1224,
      "pattern": "^arn:aws(-[a-z]+)?:s3:::airflow-[a-z0-9.\\-]+$"

but it looks like the bucket name needs to start with airflow-

[nigelellis]

@PatMyron thank you! I'll give that a try.