feat: allow to export logs

Signed-off-by: huanggze <loganhuang@yunify.com>

pkg/simple/client/elasticsearch/interface.go

@@ -1,7 +1,11 @@
 package esclient
 
+import "time"
+
 type Client interface {
 	// Perform Search API
-	Search(body []byte) ([]byte, error)
+	Search(body []byte, scrollTimeout time.Duration) ([]byte, error)
+	Scroll(scrollId string, scrollTimeout time.Duration) ([]byte, error)
+	ClearScroll(scrollId string)
 	GetTotalHitCount(v interface{}) int64
 }