I'm getting this error message when trying to deploy a CloudFront distribution:
The parameter CNAME contains one or more parameters that are not valid. (Service: AmazonCloudFront; Status Code: 400; Error Code: InvalidArgument; Request ID: dfeb983d-b398-11e8-a2d5-5f6a8378e402)
I'm following the guide at http://templates.cloudonaut.io/en/stable/wordpress/#wordpress-fault-tolerant-and-scalable-mysql.
How can I fix this?
For anyone else running into this issue, I ran into this issue today, and it turned out I had a misunderstanding about the HostedZone parameter in AWS's sample CloudFormation template - I had provided the Hosted Zone ID when the parameter was expecting the actual domain of the Hosted Zone. In this question's sample template, for example, the value of '${SubDomainNameWithDot}${HostedZoneName}' would need to be a valid domain name.
I investigated this issue by attempting to manually create the CloudFront distribution in the AWS console. When I pasted in the CNAME into "Settings / Alternate domain name (CNAME) - optional", it showed me the following warning:
Alternative domain name must contain one or more dots (.) and can only include lower case alphanumeric characters, dashes (-), and, optionally, a leading "*." to indicate all subdomains of the specified domain, for example, "*.example.com".
After I conformed my domain name to those requirements (i.e., converting to lowercase), the distribution deployed cleanly.
The parameter CNAME contains one or more parameters that are not valid is not a very helpful message — that should be improved!
