Holger Hildebrandt | fa07499 | 2020-03-27 15:42:06 +0000 | [diff] [blame^] | 1 | // Copyright 2015 CoreOS, Inc. |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | // |
| 15 | // +build !windows |
| 16 | |
| 17 | package capnslog |
| 18 | |
| 19 | import ( |
| 20 | "errors" |
| 21 | "fmt" |
| 22 | "os" |
| 23 | "path/filepath" |
| 24 | |
| 25 | "github.com/coreos/go-systemd/journal" |
| 26 | ) |
| 27 | |
| 28 | func NewJournaldFormatter() (Formatter, error) { |
| 29 | if !journal.Enabled() { |
| 30 | return nil, errors.New("No systemd detected") |
| 31 | } |
| 32 | return &journaldFormatter{}, nil |
| 33 | } |
| 34 | |
| 35 | type journaldFormatter struct{} |
| 36 | |
| 37 | func (j *journaldFormatter) Format(pkg string, l LogLevel, _ int, entries ...interface{}) { |
| 38 | var pri journal.Priority |
| 39 | switch l { |
| 40 | case CRITICAL: |
| 41 | pri = journal.PriCrit |
| 42 | case ERROR: |
| 43 | pri = journal.PriErr |
| 44 | case WARNING: |
| 45 | pri = journal.PriWarning |
| 46 | case NOTICE: |
| 47 | pri = journal.PriNotice |
| 48 | case INFO: |
| 49 | pri = journal.PriInfo |
| 50 | case DEBUG: |
| 51 | pri = journal.PriDebug |
| 52 | case TRACE: |
| 53 | pri = journal.PriDebug |
| 54 | default: |
| 55 | panic("Unhandled loglevel") |
| 56 | } |
| 57 | msg := fmt.Sprint(entries...) |
| 58 | tags := map[string]string{ |
| 59 | "PACKAGE": pkg, |
| 60 | "SYSLOG_IDENTIFIER": filepath.Base(os.Args[0]), |
| 61 | } |
| 62 | err := journal.Send(msg, pri, tags) |
| 63 | if err != nil { |
| 64 | fmt.Fprintln(os.Stderr, err) |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | func (j *journaldFormatter) Flush() {} |