Support --v and --vmodule silently

Allows compatibility with Kubernetes invocation directly

Author: smarterclayton

pkg/cmd/flagtypes/glog.go

@@ -14,10 +14,14 @@ func GLog(flags *pflag.FlagSet) {
 		level := flag.Value.(*glog.Level)
 		levelPtr := (*int32)(level)
 		flags.Int32Var(levelPtr, "loglevel", 0, "Set the level of log output (0-10)")
+		flags.Int32Var(levelPtr, "v", 0, "Set the level of log output (0-10)")
+		flags.Lookup("v").Hidden = true
 	}
 	if flag := from.Lookup("vmodule"); flag != nil {
 		value := flag.Value
 		flags.Var(pflagValue{value}, "logspec", "Set per module logging with file|pattern=LEVEL,...")
+		flags.Var(pflagValue{value}, "vmodule", "Set per module logging with file|pattern=LEVEL,...")
+		flags.Lookup("vmodule").Hidden = true
 	}
 }