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syslog.go
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syslog.go
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/*
* Copyright (c) 2018. Abstrium SAS <team (at) pydio.com>
* This file is part of Pydio Cells.
*
* Pydio Cells is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Pydio Cells 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Pydio Cells. If not, see <http://www.gnu.org/licenses/>.
*
* The latest code can be found at <https://pydio.com>.
*/
package log
import (
"fmt"
"github.com/blevesearch/bleve"
"github.com/rs/xid"
"github.com/pydio/cells/common/proto/log"
)
// SyslogServer is the syslog specific implementation of the Log server
type SyslogServer struct {
Index bleve.Index
idgen xid.ID
}
// NewSyslogServer creates and configures a default Bleve instance to store technical logs
func NewSyslogServer(bleveIndexPath string, deleteOnClose ...bool) (*SyslogServer, error) {
index, err := bleve.Open(bleveIndexPath)
if err == nil {
// Already existing, no need to create
return &SyslogServer{Index: index}, nil
}
indexMapping := bleve.NewIndexMapping()
// Create, configure and add a specific document mapping
logMapping := bleve.NewDocumentMapping()
// Specific fields
// standardFieldMapping := bleve.NewTextFieldMapping()
// logMapping.AddFieldMappingsAt("level", standardFieldMapping)
// dateFieldMapping := bleve.NewDateTimeFieldMapping()
// logMapping.AddFieldMappingsAt("ts", dateFieldMapping)
// keywordFieldMapping := bleve.NewTextFieldMapping()
// keywordFieldMapping.Analyzer = keyword.Name
// logMapping.AddFieldMappingsAt("msg", keywordFieldMapping)
indexMapping.AddDocumentMapping("sysLog", logMapping)
// Creates the new index and initialises the server
if bleveIndexPath == "" {
index, err = bleve.NewMemOnly(indexMapping)
} else {
index, err = bleve.New(bleveIndexPath, indexMapping)
}
if err != nil {
return &SyslogServer{}, err
}
return &SyslogServer{Index: index}, nil
}
// PutLog simply add a new LogMessage in the syslog repo
func (s *SyslogServer) PutLog(line map[string]string) error {
return BlevePutLog(s.Index, line)
}
// ListLogs performs a simple query in the bleve index, based on the passed query string and
// returns the results as a stream of log.ListLogResponse for each corresponding hit.
// Results are ordered by descending timestamp rather than by score.
func (s *SyslogServer) ListLogs(str string, page, size int32) (chan log.ListLogResponse, error) {
return BleveListLogs(s.Index, str, page, size)
}
// AggregatedLogs performs a faceted query in the syslog repository. UNIMPLEMENTED.
func (s *SyslogServer) AggregatedLogs(msgId string, timeRangeType string, refTime int32) (chan log.TimeRangeResponse, error) {
return nil, fmt.Errorf("unimplemented method")
}