...Also included is various package manager configurations for packaging for various Linux distributions. Parse takes all necessary pieces as command inputs is can be unit tested independently. curl, however, obviously needs to curl EC2 Instance Metadata Service and so cannot be tested without mocking the actual service. The curl script verifies we are actually running on an EC2 instance and cURLs relevant information from EC2 Instance Metadata Service and send it to parse. Note that it must make several curl commands to proceed. ...