/
zap.go
135 lines (124 loc) · 3.5 KB
/
zap.go
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package log
import (
"fmt"
"github.com/natefinch/lumberjack"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"os"
"strconv"
)
var _ Logger = (*ZapLogger)(nil)
const (
LogLevel = "LOG_LEVEL"
LogFile = "LOG_FILE"
LogFileSize = "LOG_FILE_SIZE"
LogFileNum = "LOG_FILE_NUM"
LogFileAge = "LOG_FILE_AGE"
LogStdout = "LOG_STDOUT"
)
type ZapLogger struct {
log *zap.Logger
Sync func() error
}
func env(key, fallback string) string {
if value, ok := os.LookupEnv(key); ok {
return value
}
return fallback
}
// NewDefaultJsonLogger 配置zap日志,将zap日志库引入
func NewDefaultJsonLogger() Logger {
//配置zap日志库的编码器
encoder := zapcore.EncoderConfig{
TimeKey: "timestamp",
LevelKey: "level",
NameKey: "logger",
CallerKey: "caller",
MessageKey: "",
StacktraceKey: "stack",
EncodeTime: zapcore.TimeEncoderOfLayout("2006-01-02 15:04:05.000"),
LineEnding: zapcore.DefaultLineEnding,
EncodeLevel: zapcore.CapitalLevelEncoder,
EncodeDuration: zapcore.SecondsDurationEncoder,
EncodeCaller: zapcore.ShortCallerEncoder,
}
logLevel, err := zapcore.ParseLevel(env(LogLevel, "info"))
if err != nil {
logLevel = zap.InfoLevel
}
l := NewZapLogger(
encoder,
zap.NewAtomicLevelAt(logLevel),
zap.AddStacktrace(
zap.NewAtomicLevelAt(zapcore.ErrorLevel)),
//zap.AddCaller(),
//zap.AddCallerSkip(2),
zap.Development(),
)
return With(l, "caller", DefaultCaller)
}
// 日志自动切割,采用 lumberjack 实现的
func getLogWriter() zapcore.WriteSyncer {
maxSize, err := strconv.Atoi(env(LogFileSize, "1024"))
if err != nil {
panic(err)
}
maxNum, err := strconv.Atoi(env(LogFileNum, "3"))
if err != nil {
panic(err)
}
maxAge, err := strconv.Atoi(env(LogFileAge, "30"))
if err != nil {
panic(err)
}
lumberJackLogger := &lumberjack.Logger{
Filename: env(LogFile, "/var/log/agile-cloud/app.log"), //指定日志存储位置
MaxSize: maxSize, //日志的最大大小(M)
MaxBackups: maxNum, //日志的最大保存数量
MaxAge: maxAge, //日志文件存储最大天数
Compress: false, //是否执行压缩
}
return zapcore.AddSync(lumberJackLogger)
}
// NewZapLogger return a zap logger.
func NewZapLogger(encoder zapcore.EncoderConfig, level zap.AtomicLevel, opts ...zap.Option) *ZapLogger {
//日志切割
writeSyncer := getLogWriter()
//设置日志级别
var core zapcore.Core
writers := []zapcore.WriteSyncer{zapcore.AddSync(writeSyncer)}
if env(LogStdout, "false") != "false" {
writers = append(writers, zapcore.AddSync(os.Stdout))
}
core = zapcore.NewCore(
zapcore.NewJSONEncoder(encoder),
zapcore.NewMultiWriteSyncer(writers...),
level,
)
zapLogger := zap.New(core, opts...)
return &ZapLogger{log: zapLogger, Sync: zapLogger.Sync}
}
// Log 实现log接口
func (l *ZapLogger) Log(level Level, keyvals ...interface{}) error {
if len(keyvals) == 0 || len(keyvals)%2 != 0 {
l.log.Warn(fmt.Sprint("Keyvalues must appear in pairs: ", keyvals))
return nil
}
var data []zap.Field
for i := 0; i < len(keyvals); i += 2 {
data = append(data, zap.Any(fmt.Sprint(keyvals[i]), keyvals[i+1]))
}
switch level {
case LevelDebug:
l.log.Debug("", data...)
case LevelInfo:
l.log.Info("", data...)
case LevelWarn:
l.log.Warn("", data...)
case LevelError:
l.log.Error("", data...)
case LevelFatal:
l.log.Fatal("", data...)
}
return nil
}