Add /api/v1/query_exemplars route support to query-tee

Signed-off-by: wangguoliang <[email protected]>

Author: wgliang

cmd/query-tee/main.go

@@ -71,6 +71,7 @@ func cortexReadRoutes(cfg Config) []querytee.Route {
 	return []querytee.Route{
 		{Path: prefix + "/api/v1/query", RouteName: "api_v1_query", Methods: []string{"GET"}, ResponseComparator: samplesComparator},
 		{Path: prefix + "/api/v1/query_range", RouteName: "api_v1_query_range", Methods: []string{"GET"}, ResponseComparator: samplesComparator},
+		{Path: prefix + "/api/v1/query_exemplars", RouteName: "api_v1_query_exemplars", Methods: []string{"GET"}, ResponseComparator: nil},
 		{Path: prefix + "/api/v1/labels", RouteName: "api_v1_labels", Methods: []string{"GET"}, ResponseComparator: nil},
 		{Path: prefix + "/api/v1/label/{name}/values", RouteName: "api_v1_label_name_values", Methods: []string{"GET"}, ResponseComparator: nil},
 		{Path: prefix + "/api/v1/series", RouteName: "api_v1_series", Methods: []string{"GET"}, ResponseComparator: nil},