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logger.go
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logger.go
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/*
* Copyright 2023 Beijing Volcano Engine Technology Ltd.
*
* 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 (
"io"
"github.com/sirupsen/logrus"
"github.com/volcengine/vei-driver-sdk-go/pkg/logger/format"
"github.com/volcengine/vei-driver-sdk-go/pkg/logger/writer"
"github.com/volcengine/vei-driver-sdk-go/pkg/utils"
)
type Logger interface {
GeneralLogger
FormattedLogger
SetLevel(level logrus.Level)
}
type GeneralLogger interface {
Trace(args ...interface{})
Debug(args ...interface{})
Info(args ...interface{})
Warn(args ...interface{})
Error(args ...interface{})
Fatal(args ...interface{})
}
type FormattedLogger interface {
Tracef(format string, args ...interface{})
Debugf(format string, args ...interface{})
Infof(format string, args ...interface{})
Warnf(format string, args ...interface{})
Errorf(format string, args ...interface{})
Fatalf(format string, args ...interface{})
}
type LoggerConfig struct {
LogLevel logrus.Level
Formatter logrus.Formatter
Writer io.Writer
}
var D Logger
func NewLogger(cfg LoggerConfig) Logger {
if cfg.Writer == nil {
cfg.Writer = writer.Stderr()
}
if cfg.Formatter == nil {
cfg.Formatter = format.NewColorFormatter()
}
logger := logrus.New()
logger.SetLevel(cfg.LogLevel)
logger.SetFormatter(cfg.Formatter)
logger.SetOutput(cfg.Writer)
logger.SetReportCaller(true)
return logger
}
func init() {
level := utils.GetIntEnv("LOG_LEVEL", int64(logrus.InfoLevel))
D = NewLogger(LoggerConfig{LogLevel: logrus.Level(level)})
}