added 'log' output table to lua filter

scraping.go

@@ -811,8 +811,13 @@ func getFilterResultLua(filter *Filter) {
 		}
 	}
 	L.SetGlobal("inputs", inputs)
+
 	outputs := L.CreateTable(10, 0)
 	L.SetGlobal("outputs", outputs)
+
+	logs := L.CreateTable(10, 0)
+	L.SetGlobal("logs", logs)
+
 	err := L.DoString(filter.Var1)
 	if err != nil {
 		filter.log(err)
@@ -823,4 +828,9 @@ func getFilterResultLua(filter *Filter) {
 			filter.Results = append(filter.Results, value.String())
 		},
 	)
+	logs.ForEach(
+		func(key lua.LValue, value lua.LValue) {
+			filter.Logs = append(filter.Logs, value.String())
+		},
+	)
 }

scraping_test.go

@@ -1217,3 +1217,21 @@ if not(result==true) then error("regexp.match()") end`
 		})
 	}
 }
+
+func TestFilterLuaLogs(t *testing.T) {
+	script := `table.insert(logs, "test")`
+
+	filter := Filter{
+		Var1: script,
+	}
+
+	getFilterResultLua(&filter)
+
+	if len(filter.Logs) == 0 {
+		t.Error("Nothing in logs, expected 'test'")
+	}
+
+	if filter.Logs[0] != "test" {
+		t.Errorf("Unexpected log message: '%s'", filter.Logs[0])
+	}
+}

todo.md

@@ -1,5 +1,4 @@
 # Todo
-- add logs table to lua filter
 - make generic 'notifier' interface
     - notify filter var2 for specific notifier or 'all'
     - telegram