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89 lines
2.2 KiB
89 lines
2.2 KiB
/*
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* Minio Cloud Storage, (C) 2015, 2016 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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"path"
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"runtime"
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"strings"
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"github.com/Sirupsen/logrus"
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)
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type fields map[string]interface{}
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var log = logrus.New() // Default console logger.
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// logger carries logging configuration for various supported loggers.
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// Currently supported loggers are
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//
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// - console [default]
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// - file
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// - syslog
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type logger struct {
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Console consoleLogger `json:"console"`
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File fileLogger `json:"file"`
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Syslog syslogLogger `json:"syslog"`
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// Add new loggers here.
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}
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// Get file, line, function name of the caller.
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func callerLocation() string {
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pc, file, line, success := runtime.Caller(2)
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if !success {
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file = "<unknown>"
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line = 0
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}
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file = path.Base(file)
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name := runtime.FuncForPC(pc).Name()
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name = strings.TrimPrefix(name, "github.com/minio/minio/cmd.")
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return fmt.Sprintf("[%s:%d:%s()]", file, line, name)
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}
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// errorIf synonymous with fatalIf but doesn't exit on error != nil
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func errorIf(err error, msg string, data ...interface{}) {
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if err == nil {
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return
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}
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location := callerLocation()
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fields := logrus.Fields{
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"location": location,
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"cause": err.Error(),
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}
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if e, ok := err.(*Error); ok {
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fields["stack"] = strings.Join(e.Trace(), " ")
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}
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log.WithFields(fields).Errorf(msg, data...)
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}
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// fatalIf wrapper function which takes error and prints jsonic error messages.
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func fatalIf(err error, msg string, data ...interface{}) {
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if err == nil {
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return
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}
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location := callerLocation()
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fields := logrus.Fields{
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"location": location,
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"cause": err.Error(),
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}
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if e, ok := err.(*Error); ok {
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fields["stack"] = strings.Join(e.Trace(), " ")
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}
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log.WithFields(fields).Fatalf(msg, data...)
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}
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