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hook.go
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hook.go
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/*
* === This file is part of ALICE O² ===
*
* Copyright 2019 CERN and copyright holders of ALICE O².
* Author: Teo Mrnjavac <teo.mrnjavac@cern.ch>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* In applying this license CERN does not waive the privileges and
* immunities granted to it by virtue of its status as an
* Intergovernmental Organization or submit itself to any jurisdiction.
*/
package infologger
/*
import (
"fmt"
"sort"
"strconv"
"strings"
"github.com/sirupsen/logrus"
"infoLoggerForGo"
)
type Hook struct {
infoLogger infoLoggerForGo.InfoLogger
system string
facility string
}
func NewHook(defaultSystem string, defaultFacility string) (*Hook, error) {
return &Hook{
infoLogger: infoLoggerForGo.NewInfoLogger(),
system: defaultSystem,
facility: defaultFacility,
}, nil
}
func (h *Hook) Levels() []logrus.Level {
// Everything except logrus.TraceLevel
return []logrus.Level{
logrus.PanicLevel,
logrus.FatalLevel,
logrus.ErrorLevel,
logrus.WarnLevel,
logrus.InfoLevel,
logrus.DebugLevel,
}
}
func (h *Hook) Fire(e *logrus.Entry) error {
// Supported field names:
// Severity, Level, ErrorCode, SourceFile, SourceLine,
// Facility, Role, System, Detector, Partition, Run
// Filled automatically by InfoLogger, do not set: PID, hostName, userName
ilMetadata := infoLoggerForGo.NewInfoLoggerMetadata()
ilMetadata.SetField("Severity", logrusLevelToInfoLoggerSeverity(e.Level))
if e.HasCaller() {
ilMetadata.SetField("SourceFile", e.Caller.File)
ilMetadata.SetField("SourceLine", strconv.Itoa(e.Caller.Line))
}
var message strings.Builder
message.WriteString(e.Message)
unmappableFields := make(sort.StringSlice, 0)
if e.Data != nil {
for k, v := range e.Data {
if k == "prefix" {
continue
}
var vStr string
switch v.(type) {
case string:
vStr = v.(string)
case []byte:
vStr = string(v.([]byte)[:])
case fmt.Stringer:
vStr = v.(fmt.Stringer).String()
default:
vStr = fmt.Sprintf("%v", v)
}
if _, ok := Fields[k]; ok {
if k == Facility {
ilMetadata.SetField(k, buildFineFacility(vStr, e.Data))
} else {
ilMetadata.SetField(k, vStr)
}
} else { // data structure key not mappable to InfoLogger field
unmappableFields = append(unmappableFields, fmt.Sprintf(" %s=\"%s\"", k, vStr))
}
}
}
// If a System and/or Facility isn't passed manually, we fall back on defaults
if _, ok := e.Data[System]; !ok {
ilMetadata.SetField(System, h.system)
}
if _, ok := e.Data[Facility]; !ok {
ilMetadata.SetField(Facility, buildFineFacility(h.facility, e.Data))
}
unmappableFields.Sort()
for _, v := range unmappableFields {
message.WriteString(v)
}
ilReturn := h.infoLogger.LogM(ilMetadata, message.String())
if ilReturn != 0 {
return fmt.Errorf("infoLogger error %d", ilReturn)
}
return nil
}
*/