With CoreDNS now supporting etcdv3 as the DNS backend, we can update our federation target to etcdv3. Users will now be able to use etcdv3 server as the federation backbone. Minio will update bucket data to etcdv3 and CoreDNS can pick that data up and serve it as bucket style DNS path.
126 lines
3.1 KiB
Go
126 lines
3.1 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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)
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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) { raftLogger = l }
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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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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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