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107 lines
2.6 KiB
Go
107 lines
2.6 KiB
Go
package logger
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import (
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"os"
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"github.com/anchore/imgbom/imgbom/logger"
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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)
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type LogConfig struct {
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EnableConsole bool
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EnableFile bool
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FormatAsJSON bool
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Level zapcore.Level
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FileLocation string
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}
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type ZapLogger struct {
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sugaredLogger *zap.SugaredLogger
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}
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func NewZapLogger(config LogConfig) *ZapLogger {
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cores := []zapcore.Core{}
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if config.EnableConsole {
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// note: the report should go to stdout, all logs should go to stderr
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writer := zapcore.Lock(os.Stderr)
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core := zapcore.NewCore(getConsoleEncoder(config), writer, config.Level)
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cores = append(cores, core)
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}
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if config.EnableFile {
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writer := zapcore.AddSync(getLogWriter(config.FileLocation))
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core := zapcore.NewCore(getFileEncoder(config), writer, config.Level)
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cores = append(cores, core)
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}
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combinedCore := zapcore.NewTee(cores...)
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// AddCallerSkip skips 2 number of callers, this is important else the file that gets
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// logged will always be the wrapped file (In our case logger.go)
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logger := zap.New(combinedCore,
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zap.AddCallerSkip(2),
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zap.AddCaller(),
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).Sugar()
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return &ZapLogger{
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sugaredLogger: logger,
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}
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}
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func getConsoleEncoder(config LogConfig) zapcore.Encoder {
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encoderConfig := zap.NewProductionEncoderConfig()
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if config.FormatAsJSON {
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return zapcore.NewJSONEncoder(encoderConfig)
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}
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encoderConfig.EncodeTime = nil
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encoderConfig.EncodeCaller = nil
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encoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
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return zapcore.NewConsoleEncoder(encoderConfig)
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}
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func getFileEncoder(config LogConfig) zapcore.Encoder {
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encoderConfig := zap.NewProductionEncoderConfig()
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encoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
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if config.FormatAsJSON {
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return zapcore.NewJSONEncoder(encoderConfig)
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}
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return zapcore.NewConsoleEncoder(encoderConfig)
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}
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func getLogWriter(location string) zapcore.WriteSyncer {
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file, _ := os.Create(location)
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return zapcore.AddSync(file)
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}
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func (l *ZapLogger) Debugf(format string, args ...interface{}) {
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l.sugaredLogger.Debugf(format, args...)
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}
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func (l *ZapLogger) Infof(format string, args ...interface{}) {
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l.sugaredLogger.Infof(format, args...)
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}
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func (l *ZapLogger) Debug(args ...interface{}) {
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l.sugaredLogger.Debug(args...)
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}
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func (l *ZapLogger) Info(args ...interface{}) {
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l.sugaredLogger.Info(args...)
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}
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func (l *ZapLogger) Errorf(format string, args ...interface{}) {
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l.sugaredLogger.Errorf(format, args...)
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}
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func (l *ZapLogger) WithFields(fields map[string]interface{}) logger.Logger {
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var f = make([]interface{}, 0)
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for k, v := range fields {
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f = append(f, k)
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f = append(f, v)
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}
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newLogger := l.sugaredLogger.With(f...)
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return &ZapLogger{newLogger}
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}
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