Imports github.com/golang/glog github.com/golang/protobuf/proto github.com/youtube/vitess/go/sqldb github.com/youtube/vitess/go/vt/vtgate/grpcvtgateconn github.com/youtube/vitess/go/vt/proto/vttest Standard library imports encoding/json errors fmt io io/ioutil math/rand os os/exec path strconv strings time