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elastic_search_manager.go
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/
elastic_search_manager.go
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package search
import (
"errors"
"time"
log "github.com/Sirupsen/logrus"
"github.com/spf13/viper"
elastic "gopkg.in/olivere/elastic.v6"
)
type ESManager struct {
esc *elastic.Client
url string
}
func MakeESManager(url string) *ESManager {
esManager := &ESManager{}
esManager.url = url
esManager.GetClient()
return esManager
}
func (esManager *ESManager) GetClient() (*elastic.Client, error) {
var err error
if esManager.esc == nil {
log.Info("Trying to set up new connection to ElasticSearch")
url := viper.GetString("elasticsearch.url")
esManager.esc, err = elastic.NewClient(
elastic.SetURL(url),
elastic.SetSniff(false),
elastic.SetHealthcheckInterval(10*time.Second),
elastic.SetErrorLog(log.StandardLogger()),
// Should be commented out in prod.
// elastic.SetInfoLog(log.StandardLogger()),
// elastic.SetTraceLog(log.StandardLogger()),
)
if err == nil && esManager.esc == nil {
err = errors.New("Initializing elastic client returns nil.")
}
}
return esManager.esc, err
}
func (esManager *ESManager) Stop() {
if esManager.esc != nil {
esManager.esc.Stop()
}
}