mirror of
https://github.com/ceph/ceph-csi.git
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133 lines
3.2 KiB
Go
133 lines
3.2 KiB
Go
// Copyright 2015 The etcd Authors
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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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package raft
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import (
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"sync"
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)
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type Logger interface {
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Debug(v ...interface{})
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Debugf(format string, v ...interface{})
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Error(v ...interface{})
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Errorf(format string, v ...interface{})
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Info(v ...interface{})
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Infof(format string, v ...interface{})
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Warning(v ...interface{})
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Warningf(format string, v ...interface{})
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Fatal(v ...interface{})
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Fatalf(format string, v ...interface{})
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Panic(v ...interface{})
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Panicf(format string, v ...interface{})
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}
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func SetLogger(l Logger) {
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raftLoggerMu.Lock()
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raftLogger = l
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raftLoggerMu.Unlock()
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}
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var (
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defaultLogger = &DefaultLogger{Logger: log.New(os.Stderr, "raft", log.LstdFlags)}
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discardLogger = &DefaultLogger{Logger: log.New(ioutil.Discard, "", 0)}
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raftLoggerMu sync.Mutex
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raftLogger = Logger(defaultLogger)
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)
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const (
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calldepth = 2
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)
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// DefaultLogger is a default implementation of the Logger interface.
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type DefaultLogger struct {
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*log.Logger
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debug bool
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}
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func (l *DefaultLogger) EnableTimestamps() {
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l.SetFlags(l.Flags() | log.Ldate | log.Ltime)
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}
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func (l *DefaultLogger) EnableDebug() {
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l.debug = true
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}
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func (l *DefaultLogger) Debug(v ...interface{}) {
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if l.debug {
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l.Output(calldepth, header("DEBUG", fmt.Sprint(v...)))
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}
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}
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func (l *DefaultLogger) Debugf(format string, v ...interface{}) {
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if l.debug {
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l.Output(calldepth, header("DEBUG", fmt.Sprintf(format, v...)))
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}
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}
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func (l *DefaultLogger) Info(v ...interface{}) {
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l.Output(calldepth, header("INFO", fmt.Sprint(v...)))
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}
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func (l *DefaultLogger) Infof(format string, v ...interface{}) {
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l.Output(calldepth, header("INFO", fmt.Sprintf(format, v...)))
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}
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func (l *DefaultLogger) Error(v ...interface{}) {
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l.Output(calldepth, header("ERROR", fmt.Sprint(v...)))
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}
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func (l *DefaultLogger) Errorf(format string, v ...interface{}) {
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l.Output(calldepth, header("ERROR", fmt.Sprintf(format, v...)))
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}
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func (l *DefaultLogger) Warning(v ...interface{}) {
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l.Output(calldepth, header("WARN", fmt.Sprint(v...)))
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}
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func (l *DefaultLogger) Warningf(format string, v ...interface{}) {
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l.Output(calldepth, header("WARN", fmt.Sprintf(format, v...)))
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}
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func (l *DefaultLogger) Fatal(v ...interface{}) {
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l.Output(calldepth, header("FATAL", fmt.Sprint(v...)))
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os.Exit(1)
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}
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func (l *DefaultLogger) Fatalf(format string, v ...interface{}) {
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l.Output(calldepth, header("FATAL", fmt.Sprintf(format, v...)))
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os.Exit(1)
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}
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func (l *DefaultLogger) Panic(v ...interface{}) {
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l.Logger.Panic(v...)
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}
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func (l *DefaultLogger) Panicf(format string, v ...interface{}) {
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l.Logger.Panicf(format, v...)
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}
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func header(lvl, msg string) string {
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return fmt.Sprintf("%s: %s", lvl, msg)
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}
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