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logger.go
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logger.go
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// Copyright 2023 sigma
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package logger
import (
"fmt"
"os"
"strings"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
)
// SetLevel sets the log level
func SetLevel(levelStr string) {
level, err := zerolog.ParseLevel(levelStr)
if err != nil {
panic(fmt.Sprintf("invalid log level: %s", levelStr))
}
if level < zerolog.TraceLevel || level > zerolog.FatalLevel {
level = zerolog.InfoLevel
}
var timeFormat = "2006-01-02 15:04:05" // change it to 'time.DataTime' om go 1.20
zerolog.SetGlobalLevel(level)
log.Logger = zerolog.New(zerolog.ConsoleWriter{Out: os.Stdout, TimeFormat: timeFormat, FormatCaller: func(i interface{}) string {
var c string
if cc, ok := i.(string); ok {
c = cc
}
if len(c) > 0 && strings.Contains(c, "/") {
lastIndex := strings.LastIndex(c, "/")
left := c[:lastIndex]
c = c[lastIndex+1:]
if strings.Contains(left, "/") {
lastIndex = strings.LastIndex(left, "/")
c = left[lastIndex+1:] + "/" + c
}
}
return c
}}).With().Caller().Timestamp().Logger()
}
// Logger is a wrapper for zerolog
type Logger struct{}
// Debug logs a message at Debug level.
func (l *Logger) Debug(args ...interface{}) {
log.Debug().Msg(fmt.Sprintf("%v", args...))
}
// Info logs a message at Info level.
func (l *Logger) Info(args ...interface{}) {
log.Info().Msg(fmt.Sprintf("%v", args...))
}
// Warn logs a message at Warning level.
func (l *Logger) Warn(args ...interface{}) {
log.Warn().Msg(fmt.Sprintf("%v", args...))
}
// Error logs a message at Error level.
func (l *Logger) Error(args ...interface{}) {
log.Error().Msg(fmt.Sprintf("%v", args...))
}
// Fatal logs a message at Fatal level
// and process will exit with status set to 1.
func (l *Logger) Fatal(args ...interface{}) {
log.Fatal().Msg(fmt.Sprintf("%v", args...))
}