Cloud Native Programming with Golang

Handling Errors

The AWS Go SDK returns errors of the awserr.Error type, which is a special interface type in the AWS SDK that satisfies the generic Go error interface type. The awserr.Error supports three main methods:

• Code() : Returns the error code related to the problem
• Message(): Returns a string description of the error
• OrigErr(): Returns the original error that is wrapped with the awserr.Error type; for example, if the problem is related to networking, OrigErr() returns the original error that probably belonged to the Go net package

In order to expose and make use of the awserr.Error type, we will need to make use of the type assertion feature in Go. 

Let's showcase how to make use of the awserr.Error type with a practical example. ...