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add logging
44 lines
1.1 KiB
Go
44 lines
1.1 KiB
Go
package main
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import (
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"log"
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"os"
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"github.com/go-logr/logr"
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"github.com/go-logr/zapr"
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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"gopkg.in/natefinch/lumberjack.v2"
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)
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// CreateFileLogger Create a logger that will write to console, and file along with log rotation
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func CreateFileLogger(fileName string, logLevel zapcore.LevelEnabler) logr.Logger {
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// Create file with desired permissions
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file, err := os.OpenFile(fileName, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
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if err != nil {
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log.Fatal(err)
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}
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defer file.Close()
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config := zap.NewProductionEncoderConfig()
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config.EncodeTime = zapcore.ISO8601TimeEncoder
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fileEncoder := zapcore.NewJSONEncoder(config)
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consoleEncoder := zapcore.NewConsoleEncoder(config)
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writer := zapcore.AddSync(&lumberjack.Logger{
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Filename: fileName,
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MaxSize: 1000, //MB
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MaxBackups: 3,
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MaxAge: 90, //days
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Compress: false,
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})
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core := zapcore.NewTee(
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zapcore.NewCore(fileEncoder, writer, logLevel),
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zapcore.NewCore(consoleEncoder, zapcore.AddSync(os.Stdout), logLevel),
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)
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logger := zap.New(core, zap.AddCaller(), zap.AddStacktrace(zapcore.ErrorLevel))
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return zapr.NewLogger(logger)
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}
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