| // Copyright 2015 CoreOS, Inc. |
| // |
| // 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. |
| // |
| // +build !windows |
| |
| package capnslog |
| |
| import ( |
| "errors" |
| "fmt" |
| "os" |
| "path/filepath" |
| |
| "github.com/coreos/go-systemd/journal" |
| ) |
| |
| func NewJournaldFormatter() (Formatter, error) { |
| if !journal.Enabled() { |
| return nil, errors.New("No systemd detected") |
| } |
| return &journaldFormatter{}, nil |
| } |
| |
| type journaldFormatter struct{} |
| |
| func (j *journaldFormatter) Format(pkg string, l LogLevel, _ int, entries ...interface{}) { |
| var pri journal.Priority |
| switch l { |
| case CRITICAL: |
| pri = journal.PriCrit |
| case ERROR: |
| pri = journal.PriErr |
| case WARNING: |
| pri = journal.PriWarning |
| case NOTICE: |
| pri = journal.PriNotice |
| case INFO: |
| pri = journal.PriInfo |
| case DEBUG: |
| pri = journal.PriDebug |
| case TRACE: |
| pri = journal.PriDebug |
| default: |
| panic("Unhandled loglevel") |
| } |
| msg := fmt.Sprint(entries...) |
| tags := map[string]string{ |
| "PACKAGE": pkg, |
| "SYSLOG_IDENTIFIER": filepath.Base(os.Args[0]), |
| } |
| err := journal.Send(msg, pri, tags) |
| if err != nil { |
| fmt.Fprintln(os.Stderr, err) |
| } |
| } |
| |
| func (j *journaldFormatter) Flush() {} |