update vendor

Signed-off-by: Roland.Ma <rolandma@yunify.com>

vendor/k8s.io/component-base/logs/json/json.go

@@ -0,0 +1,178 @@
+/*
+Copyright 2020 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package logs
+
+import (
+	"os"
+	"time"
+
+	"github.com/go-logr/logr"
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+// Inspired from https://github.com/go-logr/zapr, some functions is copy from the repo.
+
+var (
+	// JSONLogger is global json log format logr
+	JSONLogger logr.Logger
+
+	// timeNow stubbed out for testing
+	timeNow = time.Now
+)
+
+// zapLogger is a logr.Logger that uses Zap to record log.
+type zapLogger struct {
+	// NB: this looks very similar to zap.SugaredLogger, but
+	// deals with our desire to have multiple verbosity levels.
+	l   *zap.Logger
+	lvl int
+}
+
+// implement logr.Logger
+var _ logr.Logger = &zapLogger{}
+
+// Enabled should always return true
+func (l *zapLogger) Enabled() bool {
+	return true
+}
+
+// Info write message to error level log
+func (l *zapLogger) Info(msg string, keysAndVals ...interface{}) {
+	entry := zapcore.Entry{
+		Time:    timeNow(),
+		Message: msg,
+	}
+	checkedEntry := l.l.Core().Check(entry, nil)
+	checkedEntry.Write(l.handleFields(keysAndVals)...)
+}
+
+// dPanic write message to DPanicLevel level log
+// we need implement this because unit test case need stub time.Now
+// otherwise the ts field always changed
+func (l *zapLogger) dPanic(msg string) {
+	entry := zapcore.Entry{
+		Level:   zapcore.DPanicLevel,
+		Time:    timeNow(),
+		Message: msg,
+	}
+	checkedEntry := l.l.Core().Check(entry, nil)
+	checkedEntry.Write(zap.Int("v", l.lvl))
+}
+
+// handleFields converts a bunch of arbitrary key-value pairs into Zap fields.  It takes
+// additional pre-converted Zap fields, for use with automatically attached fields, like
+// `error`.
+func (l *zapLogger) handleFields(args []interface{}, additional ...zap.Field) []zap.Field {
+	// a slightly modified version of zap.SugaredLogger.sweetenFields
+	if len(args) == 0 {
+		// fast-return if we have no suggared fields.
+		return append(additional, zap.Int("v", l.lvl))
+	}
+
+	// unlike Zap, we can be pretty sure users aren't passing structured
+	// fields (since logr has no concept of that), so guess that we need a
+	// little less space.
+	fields := make([]zap.Field, 0, len(args)/2+len(additional)+1)
+	fields = append(fields, zap.Int("v", l.lvl))
+	for i := 0; i < len(args)-1; i += 2 {
+		// check just in case for strongly-typed Zap fields, which is illegal (since
+		// it breaks implementation agnosticism), so we can give a better error message.
+		if _, ok := args[i].(zap.Field); ok {
+			l.dPanic("strongly-typed Zap Field passed to logr")
+			break
+		}
+
+		// process a key-value pair,
+		// ensuring that the key is a string
+		key, val := args[i], args[i+1]
+		keyStr, isString := key.(string)
+		if !isString {
+			// if the key isn't a string, stop logging
+			l.dPanic("non-string key argument passed to logging, ignoring all later arguments")
+			break
+		}
+
+		fields = append(fields, zap.Any(keyStr, val))
+	}
+
+	return append(fields, additional...)
+}
+
+// Error write log message to error level
+func (l *zapLogger) Error(err error, msg string, keysAndVals ...interface{}) {
+	entry := zapcore.Entry{
+		Level:   zapcore.ErrorLevel,
+		Time:    timeNow(),
+		Message: msg,
+	}
+	checkedEntry := l.l.Core().Check(entry, nil)
+	checkedEntry.Write(l.handleFields(keysAndVals, handleError(err))...)
+}
+
+// V return info logr.Logger  with specified level
+func (l *zapLogger) V(level int) logr.Logger {
+	return &zapLogger{
+		lvl: l.lvl + level,
+		l:   l.l,
+	}
+}
+
+// WithValues return logr.Logger with some keys And Values
+func (l *zapLogger) WithValues(keysAndValues ...interface{}) logr.Logger {
+	l.l = l.l.With(l.handleFields(keysAndValues)...)
+	return l
+}
+
+// WithName return logger Named with specified name
+func (l *zapLogger) WithName(name string) logr.Logger {
+	l.l = l.l.Named(name)
+	return l
+}
+
+// encoderConfig config zap encodetime format
+var encoderConfig = zapcore.EncoderConfig{
+	MessageKey: "msg",
+
+	TimeKey:        "ts",
+	EncodeTime:     zapcore.EpochMillisTimeEncoder,
+	EncodeDuration: zapcore.StringDurationEncoder,
+}
+
+// NewJSONLogger creates a new json logr.Logger using the given Zap Logger to log.
+func NewJSONLogger(w zapcore.WriteSyncer) logr.Logger {
+	l, _ := zap.NewProduction()
+	if w == nil {
+		w = os.Stdout
+	}
+	log := l.WithOptions(zap.AddCallerSkip(1),
+		zap.WrapCore(
+			func(zapcore.Core) zapcore.Core {
+				return zapcore.NewCore(zapcore.NewJSONEncoder(encoderConfig), zapcore.AddSync(w), zapcore.DebugLevel)
+			}))
+	return &zapLogger{
+		l: log,
+	}
+}
+
+func handleError(err error) zap.Field {
+	return zap.NamedError("err", err)
+}
+
+func init() {
+	JSONLogger = NewJSONLogger(nil)
+}