[v10.0.x] Elasticsearch: Fix passing of limit and datalinks to logs data frame (#68626)

* Elasticsearch: Fix passing of limit and datalinks to logs data frame (#68554)

* Elasticsearch: Fix passing of limit and datalinks to logs data frame

* Update public/app/core/logsModel.ts

Co-authored-by: François Massot <francois.massot@gmail.com>

---------

Co-authored-by: François Massot <francois.massot@gmail.com>
(cherry picked from commit dbbbc46351)

* Add missing comment

pkg/tsdb/elasticsearch/response_parser.go

@@ -160,7 +160,7 @@ func processLogsResponse(res *es.SearchResponse, target *Query, configuredFields
 	frames := data.Frames{}
 	frame := data.NewFrame("", fields...)
 	setPreferredVisType(frame, data.VisTypeLogs)
-	setSearchWords(frame, searchWords)
+	setLogsCustomMeta(frame, searchWords, stringToIntWithDefaultValue(target.Metrics[0].Settings.Get("limit").MustString(), defaultSize))
 	frames = append(frames, frame)
 
 	queryRes.Frames = frames
@@ -1137,7 +1137,7 @@ func setPreferredVisType(frame *data.Frame, visType data.VisType) {
 	frame.Meta.PreferredVisualization = visType
 }
 
-func setSearchWords(frame *data.Frame, searchWords map[string]bool) {
+func setLogsCustomMeta(frame *data.Frame, searchWords map[string]bool, limit int) {
 	i := 0
 	searchWordsList := make([]string, len(searchWords))
 	for searchWord := range searchWords {
@@ -1156,6 +1156,7 @@ func setSearchWords(frame *data.Frame, searchWords map[string]bool) {
 
 	frame.Meta.Custom = map[string]interface{}{
 		"searchWords": searchWordsList,
+		"limit":       limit,
 	}
 }
 

pkg/tsdb/elasticsearch/response_parser_test.go

@@ -105,7 +105,7 @@ func TestProcessLogsResponse(t *testing.T) {
 			logsFrame := frames[0]
 
 			meta := logsFrame.Meta
-			require.Equal(t, map[string]interface{}{"searchWords": []string{"hello", "message"}}, meta.Custom)
+			require.Equal(t, map[string]interface{}{"searchWords": []string{"hello", "message"}, "limit": 500}, meta.Custom)
 			require.Equal(t, data.VisTypeLogs, string(meta.PreferredVisualization))
 
 			logsFieldMap := make(map[string]*data.Field)
@@ -430,6 +430,7 @@ func TestProcessLogsResponse(t *testing.T) {
 
 		require.Equal(t, map[string]interface{}{
 			"searchWords": []string{"hello", "message"},
+			"limit":       500,
 		}, customMeta)
 	})
 }

pkg/tsdb/elasticsearch/testdata_response/logs.a.golden.jsonc

@@ -6,6 +6,7 @@
 //          0
 //      ],
 //      "custom": {
+//          "limit": 500,
 //          "searchWords": [
 //              "hello",
 //              "message"
@@ -40,6 +41,7 @@
             0
           ],
           "custom": {
+            "limit": 500,
             "searchWords": [
               "hello",
               "message"