Imports github.com/aws/aws-sdk-go/aws github.com/aws/aws-sdk-go/aws/session github.com/aws/aws-sdk-go/service/xray github.com/aws/aws-sdk-go/service/xray/xrayiface go.opencensus.io/plugin/ochttp go.opencensus.io/trace go.opencensus.io/trace/propagation Standard library imports bytes context encoding/binary encoding/hex encoding/json fmt io io/ioutil log math/rand net/http os regexp strings sync time