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bleve.go
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bleve.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"
"strconv"
"strings"
"time"
"github.com/blevesearch/bleve"
"github.com/blevesearch/bleve/document"
"github.com/blevesearch/bleve/search/query"
"github.com/rs/xid"
"github.com/pydio/cells/common"
"github.com/pydio/cells/common/proto/log"
servicecontext "github.com/pydio/cells/common/service/context"
)
// IndexableLog extends default log.LogMessage struct to add index specific methods
type IndexableLog struct {
Nano int
log.LogMessage
}
// BlevePutLog stores a new log msg in a bleve index. It expects a map[string]string
// retrieved from a deserialized proto log message.
func BlevePutLog(idx bleve.Index, line map[string]string) error {
msg, err := MarshallLogMsg(line)
if err != nil {
return err
}
err = idx.Index(xid.New().String(), msg)
if err != nil {
return err
}
return nil
}
func BleveDuplicateIndex(from bleve.Index, inserts chan interface{}, logger func(string)) error {
var q query.Query
q = bleve.NewMatchAllQuery()
req := bleve.NewSearchRequest(q)
req.Size = 5000
page := 0
for {
logger(fmt.Sprintf("Reindexing logs from page %d\n", page))
req.From = page * req.Size
req.Fields = []string{"*"}
sr, err := from.Search(req)
if err != nil {
fmt.Println(err)
return err
}
for _, hit := range sr.Hits {
currMsg := &log.LogMessage{}
UnmarshallLogMsgFromFields(hit.Fields, currMsg)
inserts <- &IndexableLog{LogMessage: *currMsg}
}
if sr.Total <= uint64((page+1)*req.Size) {
break
}
page++
}
return nil
}
// BleveListLogs queries the bleve index, based on the passed query string.
// It returns the results as a stream of log.ListLogResponse with the values of the indexed fields
// for each corresponding hit.
// Results are ordered by descending timestamp rather than by score.
func BleveListLogs(idx bleve.Index, str string, page int32, size int32) (chan log.ListLogResponse, error) {
var q query.Query
if str == "" {
q = bleve.NewMatchAllQuery()
} else {
q = bleve.NewQueryStringQuery(str)
}
req := bleve.NewSearchRequest(q)
req.SortBy([]string{"-" + common.KEY_TS, "-" + common.KEY_NANO})
req.Size = int(size)
req.Fields = []string{"*"}
req.From = int(page * size)
sr, err := idx.Search(req)
if err != nil {
fmt.Println(err)
return nil, err
}
res := make(chan log.ListLogResponse)
go func() {
defer close(res)
for _, hit := range sr.Hits {
// create and populate a ListLogResult
currMsg := &log.LogMessage{}
UnmarshallLogMsgFromFields(hit.Fields, currMsg)
res <- log.ListLogResponse{LogMessage: currMsg}
}
}()
return res, nil
}
// BleveDeleteLogs queries the bleve index, based on the passed query string and deletes the results
func BleveDeleteLogs(idx bleve.Index, str string) (int64, error) {
//fmt.Printf("## [DEBUG] ## Delete Query [%s] should execute \n", str)
var q query.Query
if str == "" {
return 0, fmt.Errorf("cannot pass an empty query for deletion")
}
q = bleve.NewQueryStringQuery(str)
req := bleve.NewSearchRequest(q)
req.Size = 1000
var count int64
for {
sr, err := idx.Search(req)
if err != nil {
fmt.Println(err)
return 0, err
}
b := idx.NewBatch()
for _, hit := range sr.Hits {
b.Delete(hit.ID)
count++
}
if err := idx.Batch(b); err != nil {
return count, err
}
if sr.Total <= uint64(req.Size) {
break
}
}
return count, nil
}
// MarshallLogMsg creates an IndexableLog object and populates the inner LogMessage with known fields of the passed JSON line.
func MarshallLogMsg(line map[string]string) (*IndexableLog, error) {
msg := &IndexableLog{}
for k, val := range line {
switch k {
case "ts":
t, err := time.Parse(time.RFC3339, val)
if err != nil {
return nil, err
}
msg.Ts = convertTimeToTs(t)
case "nano":
msg.Nano, _ = strconv.Atoi(val)
case "level":
msg.Level = val
case common.KEY_MSG_ID:
msg.MsgId = val
case "logger": // name of the service that is currently logging.
msg.Logger = val
// Node specific info
case common.KEY_NODE_UUID:
msg.NodeUuid = val
case common.KEY_NODE_PATH:
msg.NodePath = val
case common.KEY_WORKSPACE_UUID:
msg.WsUuid = val
case common.KEY_WORKSPACE_SCOPE:
msg.WsScope = val
// User specific info
case common.KEY_USERNAME:
msg.UserName = val
case common.KEY_USER_UUID:
msg.UserUuid = val
case common.KEY_GROUP_PATH:
msg.GroupPath = val
case common.KEY_ROLES:
msg.RoleUuids = strings.Split(val, ",")
case common.KEY_PROFILE:
msg.Profile = val
// Session and remote client info
case servicecontext.HttpMetaRemoteAddress:
msg.RemoteAddress = val
case servicecontext.HttpMetaUserAgent:
msg.UserAgent = val
case servicecontext.HttpMetaProtocol:
msg.HttpProtocol = val
// Span enable following a given request between the various services
case common.KEY_SPAN_UUID:
msg.SpanUuid = val
case common.KEY_SPAN_PARENT_UUID:
msg.SpanParentUuid = val
case common.KEY_SPAN_ROOT_UUID:
msg.SpanRootUuid = val
// Group messages for a given high level operation
case common.KEY_OPERATION_UUID:
msg.OperationUuid = val
case common.KEY_OPERATION_LABEL:
msg.OperationLabel = val
case common.KEY_SCHEDULER_JOB_ID:
msg.SchedulerJobUuid = val
case common.KEY_SCHEDULER_TASK_ID:
msg.SchedulerTaskUuid = val
case common.KEY_SCHEDULER_ACTION_PATH:
msg.SchedulerTaskActionPath = val
default:
break
}
}
// Concatenate msg and error in the full text msg field.
text := ""
if m, ok := line["msg"]; ok {
text = m
}
if m, ok := line["error"]; ok {
text += " - " + m
}
msg.Msg = text
return msg, nil
}
// UnmarshallLogMsgFromDoc populates the LogMessage from the passed bleve document.
func UnmarshallLogMsgFromDoc(doc *document.Document, msg *log.LogMessage) {
// fmt.Printf("## [DEBUG] ## unmarshalling index document \n")
m := make(map[string]interface{})
fromBleveDocToMap(doc, m)
UnmarshallLogMsgFromFields(m, msg)
}
func UnmarshallLogMsgFromFields(m map[string]interface{}, msg *log.LogMessage) {
if val, ok := m["Ts"]; ok {
ts := val.(float64)
msg.Ts = int32(ts)
}
if val, ok := m["Level"]; ok {
msg.Level = val.(string)
}
if val, ok := m["Logger"]; ok {
msg.Logger = val.(string)
}
if val, ok := m["Msg"]; ok {
msg.Msg = val.(string)
}
if val, ok := m["MsgId"]; ok && val.(string) != "" {
msg.MsgId = val.(string)
}
if val, ok := m["UserName"]; ok && val.(string) != "" {
msg.UserName = val.(string)
}
if val, ok := m["UserUuid"]; ok && val.(string) != "" {
msg.UserUuid = val.(string)
}
if val, ok := m["GroupPath"]; ok && val.(string) != "" {
msg.GroupPath = val.(string)
}
if val, ok := m["RemoteAddress"]; ok && val.(string) != "" {
msg.RemoteAddress = val.(string)
}
if val, ok := m["UserAgent"]; ok && val.(string) != "" {
msg.UserAgent = val.(string)
}
if val, ok := m["HttpProtocol"]; ok && val.(string) != "" {
msg.HttpProtocol = val.(string)
}
if val, ok := m["NodeUuid"]; ok && val.(string) != "" {
msg.NodeUuid = val.(string)
}
if val, ok := m["NodePath"]; ok && val.(string) != "" {
msg.NodePath = val.(string)
}
if val, ok := m["WsUuid"]; ok && val.(string) != "" {
msg.WsUuid = val.(string)
}
if val, ok := m[common.KEY_SPAN_UUID]; ok && val.(string) != "" {
msg.SpanUuid = val.(string)
}
if val, ok := m[common.KEY_SPAN_ROOT_UUID]; ok && val.(string) != "" {
msg.SpanRootUuid = val.(string)
}
if val, ok := m[common.KEY_SPAN_PARENT_UUID]; ok && val.(string) != "" {
msg.SpanParentUuid = val.(string)
}
if val, ok := m[common.KEY_OPERATION_UUID]; ok && val.(string) != "" {
msg.OperationUuid = val.(string)
}
if val, ok := m[common.KEY_OPERATION_LABEL]; ok && val.(string) != "" {
msg.OperationLabel = val.(string)
}
if val, ok := m[common.KEY_SCHEDULER_JOB_ID]; ok && val.(string) != "" {
msg.SchedulerJobUuid = val.(string)
}
if val, ok := m[common.KEY_SCHEDULER_TASK_ID]; ok && val.(string) != "" {
msg.SchedulerTaskUuid = val.(string)
}
if val, ok := m[common.KEY_SCHEDULER_ACTION_PATH]; ok && val.(string) != "" {
msg.SchedulerTaskActionPath = val.(string)
}
}
func fromBleveDocToMap(doc *document.Document, m map[string]interface{}) {
for _, field := range doc.Fields {
// fmt.Printf("Mapping %s of type %s\n", field.Name(), reflect.TypeOf(field))
switch field := field.(type) {
case *document.TextField:
m[field.Name()] = string(field.Value())
case *document.NumericField:
fNb, err := field.Number()
iNb := int32(fNb)
if err == nil {
m[field.Name()] = iNb // fmt.Sprintf("%f", n)
}
case *document.DateTimeField:
d, err := field.DateTime()
if err == nil {
m[field.Name()] = d.Format(time.RFC3339)
}
}
}
}