Couldn't add RDS to the Elastic Beanstalk environment

Question

While I'm trying to add RDS to the Elastic Beanstalk I'm getting this error:

Creating security group failed Reason: Properties validation failed for resource AWSEBRDSDBSecurityGroup with message: #/SecurityGroupIngress: expected type: JSONArray, found: JSONObject

I tried several times, found some solutions on stackoverflow like adding AmazoneRDSServiceRolePolicy role and but all attempts were unsuccessful with the same error. I've also check the CloudFormation logs but it is the same error without any additional description.

Any ideas?

Shankar · Answer

I think you are dealing with key value pair data within your CloudFormation template. Since I do not have your template, I advise you to go through [this blog post](https://garbe.io/blog/2017/07/17/cloudformation-hacks/) - which talks about several tweaks which can be used inside a CloudFormation template, specifically `Ctrl + F` for `Use Dictionaries as Stack Parameter` this might help you.

Jonathan · Answer

Hello,

Yes, it's the default CloudFormation template used by Elastic Beanstalk to create an associated RDS that seems to be the problem. I think this is a bug that should be fixed on the aws side, right? I mean we should be able to attach an RDS to the environment without having to fix the default CloudFormation template.

Thanks

Couldn't add RDS to the Elastic Beanstalk environment

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