Imports github.com/dgraph-io/dgo github.com/dgraph-io/dgo/protos/api github.com/opentracing/opentracing-go github.com/opentracing/opentracing-go/log github.com/uber/jaeger-client-go github.com/uber/jaeger-client-go/config google.golang.org/grpc Standard library imports bufio context encoding/json fmt io log os regexp strconv strings time