Optimize current code, fix with more commands

Signed-off-by: Colin <jay_jieliu@outlook.com>

client/pkg/logutil/zap.go

@@ -35,36 +35,34 @@ func CreateDefaultZapLogger(level zapcore.Level) (*zap.Logger, error) {
 }
 
 // CreateUtilZapLogger creates a logger with default zap configuration can redirect log to /dev/null
-func CreateUtilZapLogger(level zapcore.Level) *zap.Logger {
+func CreateUtilZapLogger(level zapcore.Level) (*zap.Logger, error) {
 	lcfg := DefaultZapLoggerConfig
 	lcfg.Level = zap.NewAtomicLevelAt(level)
-	lcfg.Development = false
-	lcfg.Encoding = DefaultLogFormat
-	lcfg.Sampling = &zap.SamplingConfig{
-		Initial:    100,
-		Thereafter: 100,
-	}
 	infoLevel := zap.LevelEnablerFunc(func(level zapcore.Level) bool {
-		return level == zapcore.InfoLevel
+		return level <= zapcore.InfoLevel
 	})
 	errorFatalLevel := zap.LevelEnablerFunc(func(level zapcore.Level) bool {
-		return level == zapcore.ErrorLevel || level == zapcore.FatalLevel
+		return level > zapcore.InfoLevel
 	})
 	stdoutSyncer := zapcore.Lock(os.Stdout)
 	stderrSyncer := zapcore.Lock(os.Stderr)
-	core := zapcore.NewTee(
-		zapcore.NewCore(
-			zapcore.NewJSONEncoder(lcfg.EncoderConfig),
-			stdoutSyncer,
-			infoLevel,
-		),
-		zapcore.NewCore(
-			zapcore.NewJSONEncoder(lcfg.EncoderConfig),
-			stderrSyncer,
-			errorFatalLevel,
-		),
-	)
-	return zap.New(core, zap.AddCaller())
+	opts := []zap.Option{
+		zap.WrapCore(func(core zapcore.Core) zapcore.Core {
+			return zapcore.NewTee(
+				zapcore.NewCore(
+					zapcore.NewJSONEncoder(lcfg.EncoderConfig),
+					stdoutSyncer,
+					infoLevel,
+				),
+				zapcore.NewCore(
+					zapcore.NewJSONEncoder(lcfg.EncoderConfig),
+					stderrSyncer,
+					errorFatalLevel,
+				),
+			)
+		}),
+	}
+	return lcfg.Build(opts...)
 }
 
 // DefaultZapLoggerConfig defines default zap logger configuration.

etcdctl/ctlv3/command/ep_command.go

@@ -89,7 +89,7 @@ type epHealth struct {
 
 // epHealthCommandFunc executes the "endpoint-health" command.
 func epHealthCommandFunc(cmd *cobra.Command, args []string) {
-	lg, err := logutil.CreateDefaultZapLogger(zap.InfoLevel)
+	lg, err := logutil.CreateUtilZapLogger(zap.InfoLevel)
 	if err != nil {
 		cobrautl.ExitWithError(cobrautl.ExitError, err)
 	}
@@ -267,7 +267,7 @@ func endpointsFromCluster(cmd *cobra.Command) []string {
 		cobrautl.ExitWithError(cobrautl.ExitError, err)
 	}
 	// exclude auth for not asking needless password (MemberList() doesn't need authentication)
-	lg, _ := logutil.CreateDefaultZapLogger(zap.InfoLevel)
+	lg, _ := logutil.CreateUtilZapLogger(zap.InfoLevel)
 	cfg, err := clientv3.NewClientConfig(&clientv3.ConfigSpec{
 		Endpoints:        eps,
 		DialTimeout:      dt,

etcdctl/ctlv3/command/global.go

@@ -89,7 +89,7 @@ func (*discardValue) Set(string) error { return nil }
 func (*discardValue) Type() string     { return "" }
 
 func clientConfigFromCmd(cmd *cobra.Command) *clientv3.ConfigSpec {
-	lg, err := logutil.CreateDefaultZapLogger(zap.InfoLevel)
+	lg, err := logutil.CreateUtilZapLogger(zap.InfoLevel)
 	if err != nil {
 		cobrautl.ExitWithError(cobrautl.ExitError, err)
 	}
@@ -152,7 +152,7 @@ func mustClientFromCmd(cmd *cobra.Command) *clientv3.Client {
 }
 
 func mustClient(cc *clientv3.ConfigSpec) *clientv3.Client {
-	lg, _ := logutil.CreateDefaultZapLogger(zap.InfoLevel)
+	lg, _ := logutil.CreateUtilZapLogger(zap.InfoLevel)
 	cfg, err := clientv3.NewClientConfig(cc, lg)
 	if err != nil {
 		cobrautl.ExitWithError(cobrautl.ExitBadArgs, err)

etcdctl/ctlv3/command/snapshot_command.go

@@ -50,7 +50,10 @@ func snapshotSaveCommandFunc(cmd *cobra.Command, args []string) {
 		cobrautl.ExitWithError(cobrautl.ExitBadArgs, err)
 	}
 
-	lg := logutil.CreateUtilZapLogger(zap.InfoLevel)
+	lg, err := logutil.CreateUtilZapLogger(zap.InfoLevel)
+	if err != nil {
+		cobrautl.ExitWithError(cobrautl.ExitError, err)
+	}
 	cfg := mustClientCfgFromCmd(cmd)
 
 	// if user does not specify "--command-timeout" flag, there will be no timeout for snapshot save command