Imports github.com/aws/aws-sdk-go/aws github.com/aws/aws-sdk-go/private/endpoints github.com/aws/aws-sdk-go/aws/corehandlers github.com/aws/aws-sdk-go/aws/request github.com/aws/aws-sdk-go/aws/service/serviceinfo Standard library imports fmt io/ioutil math math/rand net/http net/http/httputil regexp time