Files
cgrates/ees/elastic.go
2021-07-23 10:57:08 +02:00

204 lines
6.9 KiB
Go

/*
Real-time Online/Offline Charging System (OerS) for Telecom & ISP environments
Copyright (C) ITsysCOM GmbH
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/>
*/
package ees
import (
"context"
"encoding/json"
"fmt"
"strings"
"github.com/elastic/go-elasticsearch/esapi"
"github.com/cgrates/cgrates/config"
"github.com/cgrates/cgrates/engine"
"github.com/cgrates/cgrates/utils"
elasticsearch "github.com/elastic/go-elasticsearch"
)
func NewElasticExporter(cgrCfg *config.CGRConfig, cfgIdx int, filterS *engine.FilterS,
dc *utils.SafeMapStorage) (eEe *ElasticEe, err error) {
eEe = &ElasticEe{
id: cgrCfg.EEsCfg().Exporters[cfgIdx].ID,
cgrCfg: cgrCfg,
cfgIdx: cfgIdx,
filterS: filterS,
dc: dc,
reqs: newConcReq(cgrCfg.EEsCfg().Exporters[cfgIdx].ConcurrentRequests),
}
err = eEe.init()
return
}
// ElasticEe implements EventExporter interface for ElasticSearch export
type ElasticEe struct {
id string
eClnt *elasticsearch.Client
cgrCfg *config.CGRConfig
cfgIdx int // index of config instance within ERsCfg.Readers
filterS *engine.FilterS
dc *utils.SafeMapStorage
opts esapi.IndexRequest // this variable is used only for storing the options from OptsMap
reqs *concReq
}
// init will create all the necessary dependencies, including opening the file
func (eEe *ElasticEe) init() (err error) {
// create the client
if eEe.eClnt, err = elasticsearch.NewClient(
elasticsearch.Config{
Addresses: strings.Split(eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].ExportPath, utils.InfieldSep),
}); err != nil {
return
}
//parse opts
if val, has := eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Opts[utils.ElsIndex]; !has {
eEe.opts.Index = utils.CDRsTBL
} else {
eEe.opts.Index = utils.IfaceAsString(val)
}
if val, has := eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Opts[utils.ElsIfPrimaryTerm]; has {
var intVal int64
if intVal, err = utils.IfaceAsTInt64(val); err != nil {
return
}
eEe.opts.IfPrimaryTerm = utils.IntPointer(int(intVal))
}
if val, has := eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Opts[utils.ElsIfSeqNo]; has {
var intVal int64
if intVal, err = utils.IfaceAsTInt64(val); err != nil {
return
}
eEe.opts.IfSeqNo = utils.IntPointer(int(intVal))
}
if val, has := eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Opts[utils.ElsOpType]; has {
eEe.opts.OpType = utils.IfaceAsString(val)
}
if val, has := eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Opts[utils.ElsPipeline]; has {
eEe.opts.Pipeline = utils.IfaceAsString(val)
}
if val, has := eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Opts[utils.ElsRouting]; has {
eEe.opts.Routing = utils.IfaceAsString(val)
}
if val, has := eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Opts[utils.ElsTimeout]; has {
if eEe.opts.Timeout, err = utils.IfaceAsDuration(val); err != nil {
return
}
}
if val, has := eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Opts[utils.ElsVersionLow]; has {
var intVal int64
if intVal, err = utils.IfaceAsTInt64(val); err != nil {
return
}
eEe.opts.Version = utils.IntPointer(int(intVal))
}
if val, has := eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Opts[utils.ElsVersionType]; has {
eEe.opts.VersionType = utils.IfaceAsString(val)
}
if val, has := eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Opts[utils.ElsWaitForActiveShards]; has {
eEe.opts.WaitForActiveShards = utils.IfaceAsString(val)
}
return
}
// ID returns the identificator of this exporter
func (eEe *ElasticEe) ID() string {
return eEe.id
}
// OnEvicted implements EventExporter, doing the cleanup before exit
func (eEe *ElasticEe) OnEvicted(_ string, _ interface{}) {}
// ExportEvent implements EventExporter
func (eEe *ElasticEe) ExportEvent(cgrEv *utils.CGREvent) (err error) {
eEe.reqs.get()
defer func() {
updateEEMetrics(eEe.dc, cgrEv.ID, cgrEv.Event, err != nil, utils.FirstNonEmpty(eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].Timezone,
eEe.cgrCfg.GeneralCfg().DefaultTimezone))
eEe.reqs.done()
}()
eEe.dc.Lock()
eEe.dc.MapStorage[utils.NumberOfEvents] = eEe.dc.MapStorage[utils.NumberOfEvents].(int64) + 1
eEe.dc.Unlock()
valMp := make(map[string]interface{})
if len(eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].ContentFields()) == 0 {
valMp = cgrEv.Event
} else {
oNm := map[string]*utils.OrderedNavigableMap{
utils.MetaExp: utils.NewOrderedNavigableMap(),
}
eeReq := engine.NewExportRequest(map[string]utils.DataStorage{
utils.MetaReq: utils.MapStorage(cgrEv.Event),
utils.MetaDC: eEe.dc,
utils.MetaOpts: utils.MapStorage(cgrEv.APIOpts),
utils.MetaCfg: eEe.cgrCfg.GetDataProvider(),
}, utils.FirstNonEmpty(cgrEv.Tenant, eEe.cgrCfg.GeneralCfg().DefaultTenant),
eEe.filterS, oNm)
if err = eeReq.SetFields(eEe.cgrCfg.EEsCfg().Exporters[eEe.cfgIdx].ContentFields()); err != nil {
return
}
for el := eeReq.ExpData[utils.MetaExp].GetFirstElement(); el != nil; el = el.Next() {
path := el.Value
nmIt, _ := eeReq.ExpData[utils.MetaExp].Field(path)
path = path[:len(path)-1] // remove the last index
valMp[strings.Join(path, utils.NestingSep)] = nmIt.String()
}
}
// Set up the request object
cgrID := utils.FirstNonEmpty(engine.MapEvent(cgrEv.Event).GetStringIgnoreErrors(utils.CGRID), utils.GenUUID())
runID := utils.FirstNonEmpty(engine.MapEvent(cgrEv.Event).GetStringIgnoreErrors(utils.RunID), utils.MetaDefault)
eReq := esapi.IndexRequest{
Index: eEe.opts.Index,
DocumentID: utils.ConcatenatedKey(cgrID, runID),
Body: strings.NewReader(utils.ToJSON(valMp)),
Refresh: "true",
IfPrimaryTerm: eEe.opts.IfPrimaryTerm,
IfSeqNo: eEe.opts.IfSeqNo,
OpType: eEe.opts.OpType,
Parent: eEe.opts.Parent,
Pipeline: eEe.opts.Pipeline,
Routing: eEe.opts.Routing,
Timeout: eEe.opts.Timeout,
Version: eEe.opts.Version,
VersionType: eEe.opts.VersionType,
WaitForActiveShards: eEe.opts.WaitForActiveShards,
}
var resp *esapi.Response
if resp, err = eReq.Do(context.Background(), eEe.eClnt); err != nil {
return
}
defer resp.Body.Close()
if resp.IsError() {
var e map[string]interface{}
if err = json.NewDecoder(resp.Body).Decode(&e); err != nil {
return
} else {
utils.Logger.Warning(fmt.Sprintf("<%s> Exporter with id: <%s> received error: <%+v> when indexing document",
utils.EventExporterS, eEe.id, e))
}
}
return
}
func (eEe *ElasticEe) GetMetrics() *utils.SafeMapStorage {
return eEe.dc.Clone()
}