implement list command

Author: ouzu

cmd/manager/main.go

@@ -258,6 +258,14 @@ func (s *server) listHandler(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
+
+	l := s.ms.List()
+
+	// return success
+	w.WriteHeader(http.StatusOK)
+	for _, f := range l {
+		fmt.Fprintf(w, "%s\n", f)
+	}
 }
 
 func (s *server) wipeHandler(w http.ResponseWriter, r *http.Request) {

pkg/manager/manager.go

@@ -210,6 +210,15 @@ func (ms *ManagementService) LogsFunction(name string) (string, error) {
 	return fh.Logs()
 }
 
+func (ms *ManagementService) List() []string {
+	list := make([]string, 0, len(ms.functionHandlers))
+	for name := range ms.functionHandlers {
+		list = append(list, name)
+	}
+
+	return list
+}
+
 func (ms *ManagementService) Wipe() error {
 	for name := range ms.functionHandlers {
 		log.Println("destroying function", name)