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87 lines
1.9 KiB
87 lines
1.9 KiB
8 years ago
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/*
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* Minio Cloud Storage, (C) 2017 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"fmt"
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"os"
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"github.com/Sirupsen/logrus"
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)
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// FileLogger - file logger which logs to a file.
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type FileLogger struct {
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BaseLogTarget
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Filename string `json:"filename"`
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file *os.File
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}
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// Fire - log entry handler.
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func (logger FileLogger) Fire(entry *logrus.Entry) (err error) {
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if !logger.Enable {
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return nil
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}
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msgBytes, err := logger.formatter.Format(entry)
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if err != nil {
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return err
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}
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if _, err = logger.file.Write(msgBytes); err != nil {
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return err
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}
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err = logger.file.Sync()
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return err
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}
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// String - represents ConsoleLogger as string.
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func (logger FileLogger) String() string {
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enableStr := "disabled"
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if logger.Enable {
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enableStr = "enabled"
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}
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return fmt.Sprintf("file:%s:%s", enableStr, logger.Filename)
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}
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// NewFileLogger - creates new file logger object.
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func NewFileLogger(filename string) (logger FileLogger) {
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logger.Enable = true
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logger.formatter = new(logrus.JSONFormatter)
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logger.Filename = filename
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return logger
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}
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// InitFileLogger - initializes file logger.
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func InitFileLogger(logger *FileLogger) (err error) {
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if !logger.Enable {
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return err
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}
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if logger.formatter == nil {
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logger.formatter = new(logrus.JSONFormatter)
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}
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if logger.file == nil {
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logger.file, err = os.OpenFile(logger.Filename, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0664)
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}
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return err
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}
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