[logging] add verbosity flag to bootnode, txgen, harmony cmd

cmd/bootnode/main.go

@@ -32,16 +32,16 @@ func printVersion(me string) {
 	os.Exit(0)
 }
 
-func loggingInit(logFolder, ip, port string) {
+func loggingInit(logFolder, ip, port string, verbosity log.Lvl) {
 	// Setup a logger to stdout and log file.
 	if err := os.MkdirAll(logFolder, 0755); err != nil {
 		panic(err)
 	}
 	logFileName := fmt.Sprintf("./%v/bootnode-%v-%v.log", logFolder, ip, port)
-	h := log.MultiHandler(
+	h := log.LvlFilterHandler(verbosity, log.MultiHandler(
 		log.StreamHandler(os.Stdout, log.TerminalFormat(false)),
 		log.Must.FileHandler(logFileName, log.JSONFormat()), // Log to file
-	)
+	))
 	log.Root().SetHandler(h)
 }
 
@@ -51,6 +51,7 @@ func main() {
 	logFolder := flag.String("log_folder", "latest", "the folder collecting the logs of this execution")
 	keyFile := flag.String("key", "./.bnkey", "the private key file of the bootnode")
 	versionFlag := flag.Bool("version", false, "Output version info")
+	verbosity := flag.Int("verbosity", 3, "Logging verbosity: 0=silent, 1=error, 2=warn, 3=info, 4=debug, 5=detail (default: 3)")
 
 	flag.Parse()
 
@@ -60,9 +61,10 @@ func main() {
 
 	// Logging setup
 	utils.SetPortAndIP(*port, *ip)
+	utils.SetVerbosity(log.Lvl(*verbosity))
 
 	// Init logging.
-	loggingInit(*logFolder, *ip, *port)
+	loggingInit(*logFolder, *ip, *port, log.Lvl(*verbosity))
 
 	privKey, _, err := utils.LoadKeyFromFile(*keyFile)
 	if err != nil {

cmd/client/txgen/main.go

@@ -68,6 +68,8 @@ var (
 	shardIDFlag       = flag.Int("shardID", 0, "The shardID the node belongs to.")
 	// Key file to store the private key
 	keyFile = flag.String("key", "./.txgenkey", "the private key file of the txgen")
+	// logging verbosity
+	verbosity = flag.Int("verbosity", 3, "Logging verbosity: 0=silent, 1=error, 2=warn, 3=info, 4=debug, 5=detail (default: 3)")
 )
 
 func setUpTXGen() *node.Node {
@@ -127,6 +129,7 @@ func main() {
 	runtime.GOMAXPROCS(1024)
 	// Logging setup
 	utils.SetPortAndIP(*port, *ip)
+	utils.SetVerbosity(log.Lvl(*verbosity))
 	if len(utils.BootNodes) == 0 {
 		bootNodeAddrs, err := utils.StringsToAddrs(utils.DefaultBootNodeAddrStrings)
 		if err != nil {

cmd/harmony/main.go

@@ -58,13 +58,13 @@ func printVersion(me string) {
 	os.Exit(0)
 }
 
-func loggingInit(logFolder, role, ip, port string, onlyLogTps bool) {
+func loggingInit(logFolder, role, ip, port string, onlyLogTps bool, verbosity log.Lvl) {
 	// Setup a logger to stdout and log file.
 	logFileName := fmt.Sprintf("./%v/%s-%v-%v.log", logFolder, role, ip, port)
-	h := log.MultiHandler(
+	h := log.LvlFilterHandler(verbosity, log.MultiHandler(
 		log.StreamHandler(os.Stdout, log.TerminalFormat(false)),
 		log.Must.FileHandler(logFileName, log.JSONFormat()), // Log to file
-	)
+	))
 	if onlyLogTps {
 		h = log.MatchFilterHandler("msg", "TPS Report", h)
 	}
@@ -105,6 +105,8 @@ var (
 	ks        *keystore.KeyStore
 	myAccount accounts.Account
 	myPass    = ""
+	// logging verbosity
+	verbosity = flag.Int("verbosity", 3, "Logging verbosity: 0=silent, 1=error, 2=warn, 3=info, 4=debug, 5=detail (default: 3)")
 )
 
 func initSetup() {
@@ -114,6 +116,7 @@ func initSetup() {
 
 	// Logging setup
 	utils.SetPortAndIP(*port, *ip)
+	utils.SetVerbosity(log.Lvl(*verbosity))
 
 	// Set default keystore Dir
 	hmykey.DefaultKeyStoreDir = *keystoreDir
@@ -375,7 +378,7 @@ func main() {
 	nodeConfig := createGlobalConfig()
 
 	// Init logging.
-	loggingInit(*logFolder, nodeConfig.StringRole, *ip, *port, *onlyLogTps)
+	loggingInit(*logFolder, nodeConfig.StringRole, *ip, *port, *onlyLogTps, log.Lvl(*verbosity))
 
 	// Start Profiler for leader if profile argument is on
 	if nodeConfig.StringRole == "leader" && (*profile || *metricsReportURL != "") {

internal/utils/singleton.go

@@ -3,6 +3,7 @@
 package utils
 
 import (
+	"os"
 	"sync"
 	"sync/atomic"
 
@@ -11,8 +12,9 @@ import (
 
 // Global Port and IP for logging.
 var (
-	Port string
-	IP   string
+	Port      string
+	IP        string
+	Verbosity = log.LvlInfo
 )
 
 // SetPortAndIP used to print out loggings of node with Port and IP.
@@ -22,6 +24,11 @@ func SetPortAndIP(port, ip string) {
 	IP = ip
 }
 
+// SetVerbosity specifies the verbosity of global logger
+func SetVerbosity(verbosity log.Lvl) {
+	Verbosity = verbosity
+}
+
 // UniqueValidatorID defines the structure of unique validator ID
 type UniqueValidatorID struct {
 	uniqueID uint32
@@ -51,6 +58,7 @@ func (s *UniqueValidatorID) GetUniqueID() uint32 {
 func GetLogInstance() log.Logger {
 	onceForLog.Do(func() {
 		logInstance = log.New("port", Port, "ip", IP)
+		logInstance.SetHandler(log.LvlFilterHandler(Verbosity, log.StreamHandler(os.Stdout, log.TerminalFormat(false))))
 	})
 	return logInstance
 }