Add some error output where it was missing, add trailing new line to …

…bulk body

bushwack/log_entry.go

@@ -73,7 +73,8 @@ func (entries LogEntries) SerializeBulkBody() (string, error) {
 		lines = append(lines, string(j))
 	}
 
-	return strings.Join(lines, "\n"), nil
+	// Dont forget the last \n for the bulk api
+	return fmt.Sprintf("%s\n", strings.Join(lines, "\n")), nil
 }
 
 // 2018-01-22T23:55:03.306727Z

main.go

@@ -95,6 +95,11 @@ func processLog(filename string) {
 		log.Fatal(err)
 	}
 
+	if len(entries) == 0 {
+		log.Println("No entries to index.")
+		return
+	}
+
 	body, err := entries.SerializeBulkBody()
 	if err != nil {
 		log.Fatal(err)
@@ -106,7 +111,10 @@ func processLog(filename string) {
 	}
 
 	if resp.StatusCode != 200 {
-		log.Println("Yikes, looks like we had a request return a non-200 status")
+		log.Printf("Received unexpected status code %d.\n", resp.StatusCode)
+
+		reason, _ := ioutil.ReadAll(resp.Body)
+		log.Fatalf("Reason: %s", reason)
 	}
 
 	log.Printf("Sent off %d log entries.", len(entries))