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sinks_unix.go
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sinks_unix.go
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// +build !windows
package log
// Copyright 2013, CoreOS, Inc. All rights reserved.
//
// 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.
//
// author: David Fisher <ddf1991@gmail.com>
// based on previous package by: Cong Ding <dinggnu@gmail.com>
import (
"fmt"
"github.com/coreos/etcd/third_party/github.com/coreos/go-systemd/journal"
"io"
"strings"
)
type journalSink struct{}
func (sink *journalSink) Log(fields Fields) {
message := fields["message"].(string)
priority := toJournalPriority(fields["priority"].(Priority))
journalFields := make(map[string]string)
for k, v := range fields {
if k == "message" || k == "priority" {
continue
}
journalFields[strings.ToUpper(k)] = fmt.Sprint(v)
}
journal.Send(message, priority, journalFields)
}
func toJournalPriority(priority Priority) journal.Priority {
switch priority {
case PriEmerg:
return journal.PriEmerg
case PriAlert:
return journal.PriAlert
case PriCrit:
return journal.PriCrit
case PriErr:
return journal.PriErr
case PriWarning:
return journal.PriWarning
case PriNotice:
return journal.PriNotice
case PriInfo:
return journal.PriInfo
case PriDebug:
return journal.PriDebug
default:
return journal.PriErr
}
}
func JournalSink() Sink {
return &journalSink{}
}
func CombinedSink(writer io.Writer, format string, fields []string) Sink {
sinks := make([]Sink, 0)
sinks = append(sinks, WriterSink(writer, format, fields))
if journal.Enabled() {
sinks = append(sinks, JournalSink())
}
return &combinedSink{
sinks: sinks,
}
}