Files
smart-shutdown/pkg/logger/logger.go

121 lines
2.6 KiB
Go

package logger
import (
"fmt"
"os"
"path/filepath"
"time"
"github.com/fatih/color"
"gopkg.in/natefinch/lumberjack.v2"
"smart-shutdown/pkg/config"
)
var fileLogger *lumberjack.Logger
var debugEnabled bool
func InitLogger() error {
logDir := config.GetLogDir()
if err := os.MkdirAll(logDir, 0755); err != nil {
logDir = "logs"
os.MkdirAll(logDir, 0755)
}
logFile := filepath.Join(logDir, "network_monitor.log")
fileLogger = &lumberjack.Logger{
Filename: logFile,
MaxSize: 10,
MaxBackups: 30,
MaxAge: 30,
Compress: false,
}
return nil
}
func SwitchToFrontLog() {
if fileLogger != nil {
fileLogger.Close()
}
logDir := config.GetLogDir()
if err := os.MkdirAll(logDir, 0755); err != nil {
logDir = "logs"
}
logFile := filepath.Join(logDir, "network_monitor_front.log")
fileLogger = &lumberjack.Logger{
Filename: logFile,
MaxSize: 10,
MaxBackups: 30,
MaxAge: 30,
Compress: false,
}
}
func EnableDebug() {
debugEnabled = true
}
func writeLog(level, plainPrefix, format string, v ...interface{}) {
msg := fmt.Sprintf(format, v...)
timestamp := time.Now().Format("2006/01/02 15:04:05")
if fileLogger != nil {
plainLine := fmt.Sprintf("%s %s %s\n", plainPrefix, timestamp, msg)
fileLogger.Write([]byte(plainLine))
}
prefixColorFunc := getPrefixColor(level)
coloredPrefix := prefixColorFunc(plainPrefix)
coloredLine := fmt.Sprintf("%s %s %s\n", coloredPrefix, timestamp, msg)
if level == "FAIL" || level == "CRITICAL" {
fmt.Fprint(os.Stderr, coloredLine)
} else {
fmt.Fprint(os.Stdout, coloredLine)
}
}
func getPrefixColor(level string) func(a ...interface{}) string {
switch level {
case "SUCCESS":
return color.New(color.FgGreen).SprintFunc()
case "WARN":
return color.New(color.FgYellow).SprintFunc()
case "FAIL":
return color.New(color.FgRed).SprintFunc()
case "CRITICAL":
return color.New(color.FgHiRed).SprintFunc()
case "DEBUG":
return color.New(color.FgCyan).SprintFunc()
default:
return color.New(color.Reset).SprintFunc()
}
}
func Debug(format string, v ...interface{}) {
if debugEnabled {
writeLog("DEBUG", "[DEBUG]", format, v...)
}
}
func Info(format string, v ...interface{}) {
writeLog("INFO", "[INFO]", format, v...)
}
func Succ(format string, v ...interface{}) {
writeLog("SUCCESS", "[SUCCESS]", format, v...)
}
func Warn(format string, v ...interface{}) {
writeLog("WARN", "[WARN]", format, v...)
}
func Fail(format string, v ...interface{}) {
writeLog("FAIL", "[FAIL]", format, v...)
}
func Crit(format string, v ...interface{}) {
writeLog("CRITICAL", "[CRITICAL]", format, v...)
}