insight-api | The bitcoin blockchain API powering Insight | Blockchain library

I have an AWS CodePipeline defined in a CloudFormation template.

One of the steps of the pipeline is a CloudFormation action that builds a test environment for my application. The URL of the app's Elastic Load Balancer is one of the outputs defined in this template.

How do I access this output, so that I can use it in the next step, which is a CodeBuild action that will run api tests against the test environment?

I can specify an OutputFileName in the CloudFormation Deploy step, but the CodeBuild step would then need 2 input artifacts, the test code and the CloudFormation output file, and there is a maximum of 1 input artifact.

I thought that I could have a step that pushes the CloudFormation output file to S3, so that the api test step can then access it (or simply push it to S3 as part of the CloudFormation::Init code), but I am hoping for something more simple that I could configure in the CodePipeline steps (similar to !ImportValue in CloudFormation).

I also thought that I could assign a 'test url' e.g. http://test.myapp.com, in the CloudFormation step so that the api tests are always run against that specific url, which would be a great option, except that I am spinning up the test environment dynamically just before the tests (because I don't want the cost of it always running), and I'm not sure that the DNS will have propagated by the time the api tests start running.

Thanks in advance

Definition of CodePipeline CloudFormation action that spins up test environment