Imports github.com/golang/glog github.com/youtube/vitess/go/vt/logutil github.com/youtube/vitess/go/vt/proto/logutil golang.org/x/net/context github.com/youtube/vitess/go/vt/worker/grpcvtworkerclient github.com/youtube/vitess/go/vt/worker/vtworkerclient Standard library imports flag os syscall os/signal