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added my own version of the journaldwriter

in short:
- no JSON in the log
- some useful metadata

alone the JSON file got on my nerves
Dieser Commit ist enthalten in:
Sebastian Tobie 2022-07-23 22:39:09 +02:00
Commit 6b625554a4
4 geänderte Dateien mit 195 neuen und 0 gelöschten Zeilen

19
LICENSE Normale Datei
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MIT License
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

19
go.mod Normale Datei
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module gitea.sebastian-tobie.de/sebastian/generic
go 1.18
require github.com/rs/zerolog v1.27.0
require (
github.com/hashicorp/errwrap v1.0.0 // indirect
github.com/x448/float16 v0.8.4 // indirect
)
require (
github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534
github.com/fxamacker/cbor/v2 v2.4.0
github.com/hashicorp/go-multierror v1.1.1
github.com/mattn/go-colorable v0.1.12 // indirect
github.com/mattn/go-isatty v0.0.14 // indirect
golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6 // indirect
)

22
go.sum Normale Datei
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github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534 h1:rtAn27wIbmOGUs7RIbVgPEjb31ehTVniDwPGXyMxm5U=
github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
github.com/fxamacker/cbor/v2 v2.4.0 h1:ri0ArlOR+5XunOP8CRUowT0pSJOwhW098ZCUyskZD88=
github.com/fxamacker/cbor/v2 v2.4.0/go.mod h1:TA1xS00nchWmaBnEIxPSE5oHLuJBAVvqrtAnWBwBCVo=
github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA=
github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
github.com/hashicorp/go-multierror v1.1.1 h1:H5DkEtf6CXdFp0N0Em5UCwQpXMWke8IA0+lD48awMYo=
github.com/hashicorp/go-multierror v1.1.1/go.mod h1:iw975J/qwKPdAO1clOe2L8331t/9/fmwbPZ6JB6eMoM=
github.com/mattn/go-colorable v0.1.12 h1:jF+Du6AlPIjs2BiUiQlKOX0rt3SujHxPnksPKZbaA40=
github.com/mattn/go-colorable v0.1.12/go.mod h1:u5H1YNBxpqRaxsYJYSkiCWKzEfiAb1Gb520KVy5xxl4=
github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y=
github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94=
github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
github.com/rs/xid v1.3.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
github.com/rs/zerolog v1.27.0 h1:1T7qCieN22GVc8S4Q2yuexzBb1EqjbgjSH9RohbMjKs=
github.com/rs/zerolog v1.27.0/go.mod h1:7frBqO0oezxmnO7GF86FY++uy8I0Tk/If5ni1G9Qc0U=
github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6 h1:foEbQz/B0Oz6YIqu/69kfXPYeFQAuuMYFkjaqXzl5Wo=
golang.org/x/sys v0.0.0-20210927094055-39ccf1dd6fa6/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=

135
logging/journald.go Normale Datei
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//go:build !windows
// +build !windows
// This package consists of parts of github.com/rs/zerolog i copied from.
// I removed the JSON argument part and added some more relevant data (The position of the caller and the goroutine)
package logging
import (
"bytes"
"encoding/json"
"fmt"
"io"
"runtime"
"strings"
"github.com/coreos/go-systemd/v22/journal"
"github.com/fxamacker/cbor/v2"
"github.com/rs/zerolog"
)
const defaultJournalDPrio = journal.PriNotice
func binaryFmt(p []byte) bool {
if len(p) > 0 && p[0] > 0x7F {
return true
}
return false
}
// NewJournalDWriter returns a zerolog log destination
// to be used as parameter to New() calls. Writing logs
// to this writer will send the log messages to journalD
// running in this system.
func NewJournalDWriter() io.Writer {
return journalWriter{}
}
type journalWriter struct {
}
// levelToJPrio converts zerolog Level string into
// journalD's priority values. JournalD has more
// priorities than zerolog.
func levelToJPrio(zLevel string) journal.Priority {
lvl, _ := zerolog.ParseLevel(zLevel)
switch lvl {
case zerolog.TraceLevel:
return journal.PriDebug
case zerolog.DebugLevel:
return journal.PriDebug
case zerolog.InfoLevel:
return journal.PriInfo
case zerolog.WarnLevel:
return journal.PriWarning
case zerolog.ErrorLevel:
return journal.PriErr
case zerolog.FatalLevel:
return journal.PriCrit
case zerolog.PanicLevel:
return journal.PriEmerg
case zerolog.NoLevel:
return journal.PriNotice
}
return defaultJournalDPrio
}
func (w journalWriter) Write(p []byte) (n int, err error) {
var event map[string]interface{}
origPLen := len(p)
if binaryFmt(p) {
cbord := cbor.NewDecoder(bytes.NewReader(p))
err = cbord.Decode(&event)
} else {
jsond := json.NewDecoder(bytes.NewReader(p))
err = jsond.Decode(&event)
}
jPrio := defaultJournalDPrio
args := make(map[string]string)
if err != nil {
return
}
if l, ok := event[zerolog.LevelFieldName].(string); ok {
jPrio = levelToJPrio(l)
}
msg := ""
for key, value := range event {
jKey := strings.ToUpper(key)
switch key {
case zerolog.LevelFieldName, zerolog.TimestampFieldName:
continue
case zerolog.MessageFieldName:
msg, _ = value.(string)
continue
}
switch v := value.(type) {
case string:
args[jKey] = v
case json.Number:
args[jKey] = fmt.Sprint(value)
default:
b, err := zerolog.InterfaceMarshalFunc(value)
if err != nil {
args[jKey] = fmt.Sprintf("[error: %v]", err)
} else {
args[jKey] = string(b)
}
}
}
args["TID"] = fmt.Sprint(runtime.NumGoroutine())
var callers = make([]uintptr, 10)
// skipping the function itself
runtime.Callers(2, callers)
var frames = runtime.CallersFrames(callers)
var frame, next = frames.Next()
for next {
if !strings.Contains(frame.File, "rs/zerolog") {
args["CODE_FILE"] = frame.File
args["CODE_LINE"] = fmt.Sprint(frame.Line)
args["CODE_FUNC"] = frame.Function
break
}
frame, next = frames.Next()
}
err = journal.Send(msg, jPrio, args)
if err == nil {
n = origPLen
}
return
}