/
zap.go
324 lines (271 loc) · 7.78 KB
/
zap.go
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package log
import (
"bytes"
"context"
"fmt"
"io"
"net/http"
"os"
"time"
"github.com/liumingmin/goutils/conf"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
const (
LOGGER_ENCODER_JSON = "json"
LOGGER_ENCODER_CONSOLE = "console"
)
type ZapLogImpl struct {
logger *zap.Logger
stackLogger *zap.Logger
loggerLevel zap.AtomicLevel
}
func NewZapLogImpl() ILog {
loggerLevel := populateLogLevel()
if len(conf.Conf.Logs) == 0 {
return &ZapLogImpl{
logger: zap.NewNop(),
stackLogger: zap.NewNop(),
loggerLevel: loggerLevel,
}
}
// 开启开发模式,堆栈跟踪
caller := zap.AddCaller()
// 开启文件及行号
development := zap.Development()
encoderConfig := zapcore.EncoderConfig{
TimeKey: "time",
LevelKey: "level",
NameKey: "log",
CallerKey: "linenum",
MessageKey: "msg",
StacktraceKey: "stacktrace",
LineEnding: zapcore.DefaultLineEnding,
EncodeLevel: zapcore.CapitalLevelEncoder, // 小写编码器
EncodeTime: func(t time.Time, enc zapcore.PrimitiveArrayEncoder) {
enc.AppendString(t.Format("2006-01-02 15:04:05.000"))
}, // 时间格式
EncodeDuration: zapcore.SecondsDurationEncoder, //
EncodeCaller: zapcore.ShortCallerEncoder, // 路径编码器
EncodeName: zapcore.FullNameEncoder,
}
var cores []zapcore.Core
for _, logConf := range conf.Conf.Logs {
cores = append(cores, zapcore.NewCore(
populateEncoder(logConf)(encoderConfig), // 编码器配置
zapcore.NewMultiWriteSyncer(populateWriteSyncer(logConf)...), // 打印到控制台、文件、HTTP
loggerLevel,
))
}
// 构造日志
logger := zap.New(zapcore.NewTee(cores...), caller, development, zap.AddCallerSkip(1))
stackLogger := logger.WithOptions(zap.AddStacktrace(zap.ErrorLevel), zap.AddCallerSkip(1))
return &ZapLogImpl{
logger: logger,
stackLogger: stackLogger,
loggerLevel: loggerLevel,
}
}
func populateEncoder(logConf *conf.Log) func(zapcore.EncoderConfig) zapcore.Encoder {
// JSON 编码器
if logConf.OutputEncoder == LOGGER_ENCODER_JSON {
return zapcore.NewJSONEncoder
}
// 默认:CONSOLE 编码器
return zapcore.NewConsoleEncoder
}
func populateWriteSyncer(logConf *conf.Log) []zapcore.WriteSyncer {
writeSyncers := make([]zapcore.WriteSyncer, 0)
// 标准输出流
if logConf.Stdout {
writeSyncers = append(writeSyncers, zapcore.AddSync(os.Stdout))
}
// 文件输出流
if logConf.FileOut {
populateLogHook(logConf)
writeSyncers = append(writeSyncers, zapcore.AddSync(&logConf.Logger))
}
// Http输出流
if logConf.HttpOut {
hWriter := &httpWriter{
logConf: logConf,
loggerHttpClient: &http.Client{Timeout: time.Second * time.Duration(logConf.HttpTimeout)},
}
writeSyncers = append(writeSyncers, zapcore.AddSync(hWriter))
}
return writeSyncers
}
func populateLogHook(logConf *conf.Log) {
if logConf.Logger.Filename == "" {
logConf.Logger.Filename = os.Args[0] + ".log" // 日志文件路径
}
if logConf.Logger.MaxSize == 0 {
logConf.Logger.MaxSize = 128 // 每个日志文件保存的最大尺寸 单位:M
}
if logConf.Logger.MaxBackups == 0 {
logConf.Logger.MaxBackups = 7
}
if logConf.Logger.MaxAge == 0 {
logConf.Logger.MaxAge = 7
}
}
func populateLogLevel() zap.AtomicLevel {
loggerLevel := zap.NewAtomicLevelAt(zapcore.DebugLevel)
if conf.Conf.LogLevel != "" {
loggerLevel.UnmarshalText([]byte(conf.Conf.LogLevel))
}
return loggerLevel
}
func (l *ZapLogImpl) Debug(ctx context.Context, msg string, args ...interface{}) {
if !l.logger.Core().Enabled(zap.DebugLevel) {
return
}
l.logWithLevelFn(l.logger.Debug, ctx, msg, args...)
}
func (l *ZapLogImpl) Info(ctx context.Context, msg string, args ...interface{}) {
if !l.logger.Core().Enabled(zap.InfoLevel) {
return
}
l.logWithLevelFn(l.logger.Info, ctx, msg, args...)
}
func (l *ZapLogImpl) Warn(ctx context.Context, msg string, args ...interface{}) {
if !l.logger.Core().Enabled(zap.WarnLevel) {
return
}
l.logWithLevelFn(l.logger.Warn, ctx, msg, args...)
}
func (l *ZapLogImpl) Error(ctx context.Context, msg string, args ...interface{}) {
if !l.logger.Core().Enabled(zap.ErrorLevel) {
return
}
l.logWithLevelFn(l.logger.Error, ctx, msg, args...)
}
func (l *ZapLogImpl) Recover(ctx context.Context, errHandler func(interface{}) string) {
if err := recover(); err != nil {
l.logWithLevelFn(l.stackLogger.Error, ctx, errHandler(err))
}
}
func (l *ZapLogImpl) ErrorStack(ctx context.Context, msg string, args ...interface{}) {
if !l.stackLogger.Core().Enabled(zap.ErrorLevel) {
return
}
l.logWithLevelFn(l.stackLogger.Error, ctx, msg, args...)
}
func (l *ZapLogImpl) Log(ctx context.Context, level zapcore.Level, msg string, args ...interface{}) {
if !l.logger.Core().Enabled(level) {
return
}
if len(args) > 0 {
switch args[0].(type) {
case zapcore.Field:
l.logger.Log(level, msg, l.argsToZapFields(ctx, args...)...)
default:
l.logger.Log(level, l.argsToMsg(ctx, msg, args...))
}
return
}
l.logger.Log(level, msg)
}
func (l *ZapLogImpl) logWithLevelFn(levelFn func(string, ...zapcore.Field), ctx context.Context, msg string, args ...interface{}) {
if len(args) > 0 {
switch args[0].(type) {
case zapcore.Field:
levelFn(msg, l.argsToZapFields(ctx, args...)...)
default:
levelFn(l.argsToMsg(ctx, msg, args...))
}
return
}
levelFn(msg)
}
func (l *ZapLogImpl) argsToMsg(ctx context.Context, msg string, args ...interface{}) string {
traceStr := ""
traceId := ctx.Value(LOG_TRACE_CTX_KEY)
if traceId != nil {
traceStr = "<" + fmt.Sprint(traceId) + "> "
}
return traceStr + fmt.Sprintf(msg, args...) + BaseFieldsGenerator.GenerateStr(ctx)
}
func (l *ZapLogImpl) argsToZapFields(ctx context.Context, args ...interface{}) []zap.Field {
fields := make([]zap.Field, 0, len(args)+1)
for _, arg := range args {
fields = append(fields, arg.(zap.Field))
}
traceId := ctx.Value(LOG_TRACE_CTX_KEY)
if traceId != nil {
fields = append(fields, zap.String(LOG_TRACE_CTX_KEY, fmt.Sprint(traceId)))
}
if BaseFieldsGenerator != nil {
fs := BaseFieldsGenerator.Generate(ctx)
if fs != nil {
fields = append(fields, fs...)
}
}
return fields
}
func (l *ZapLogImpl) GetLogLevel() zapcore.Level {
return l.loggerLevel.Level()
}
func (l *ZapLogImpl) SetLogLevel(lvl zapcore.Level) zapcore.Level {
oldLevel := l.loggerLevel.Level()
l.loggerLevel.SetLevel(lvl)
return oldLevel
}
func (l *ZapLogImpl) LogMore() zapcore.Level {
level := l.loggerLevel.Level()
if level == zap.DebugLevel {
return level
}
l.loggerLevel.SetLevel(level - 1)
return level - 1
}
func (l *ZapLogImpl) LogLess() zapcore.Level {
level := l.loggerLevel.Level()
if level == zap.FatalLevel {
return level
}
l.loggerLevel.SetLevel(level + 1)
return level + 1
}
type DefaultFieldsGenerator struct {
Nop []zapcore.Field
}
func (f *DefaultFieldsGenerator) Generate(ctx context.Context) []zapcore.Field {
return f.Nop
}
func (f *DefaultFieldsGenerator) GenerateStr(context.Context) string {
return ""
}
type httpWriter struct {
logConf *conf.Log
loggerHttpClient *http.Client
}
func (h *httpWriter) Write(data []byte) (int, error) {
if h.logConf.HttpUrl == "" {
return 0, nil
}
input := make([]byte, len(data))
copy(input, data)
go func() {
defer func() {
if e := recover(); e != nil {
if h.logConf.HttpDebug {
fmt.Fprintf(os.Stderr, "http log failed, err: %v", e)
}
}
}()
resp, err := h.loggerHttpClient.Post(h.logConf.HttpUrl, "application/json", bytes.NewBuffer(input))
if err != nil {
if h.logConf.HttpDebug {
fmt.Fprintf(os.Stderr, "http log failed, err: %+v, data: %+v", err, string(input))
}
return
}
defer resp.Body.Close()
if h.logConf.HttpDebug {
body, _ := io.ReadAll(resp.Body)
fmt.Fprintf(os.Stdout, "http log successful: %+v, data: %+v", string(body), string(input))
}
}()
return len(input), nil
}