Allow deleting clients

bootserver/controllers/client/client.go

@@ -64,15 +64,47 @@ func (bc *BootController) setBootOption(w http.ResponseWriter, r *http.Request)
 	return http.StatusAccepted, nil, nil
 }
 
+func (bc *BootController) deleteClient(w http.ResponseWriter, r *http.Request) (int, []byte, error) {
+	dat, err := io.ReadAll(r.Body)
+	if err != nil {
+		return http.StatusInternalServerError, nil, fmt.Errorf("failed to read body: %w", err)
+	}
+	var payload setBootOptionPayload
+	if err := json.Unmarshal(dat, &payload); err != nil {
+		return http.StatusBadRequest, nil, fmt.Errorf("failed to parse body: %w", err)
+	}
+
+	clientID, err := uuid.Parse(payload.ClientID)
+	if err != nil {
+		return http.StatusBadRequest, []byte("bad client ID"), fmt.Errorf("invalid format for client ID: %w", err)
+	}
+	if err := bc.clientService.DeleteClient(clientID); err != nil {
+		return http.StatusInternalServerError, []byte("failed to delete client"), fmt.Errorf("failed to delete client: %w", err)
+	}
+
+	return http.StatusOK, nil, nil
+}
+
 func (bc *BootController) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	if r.Method != http.MethodPut {
+	var returncode int
+	var content []byte
+	var err error
+
+	switch r.Method {
+	case http.MethodPut:
+		returncode, content, err = bc.setBootOption(w, r)
+		if err != nil {
+			bc.l.Errorf("Error setting boot option for client: %s", err.Error())
+		}
+	case http.MethodDelete:
+		returncode, content, err = bc.deleteClient(w, r)
+		if err != nil {
+			bc.l.Errorf("Error setting boot option for client: %s", err.Error())
+		}
+	default:
 		helpers.HandleResponse(w, r, http.StatusMethodNotAllowed, nil, bc.l)
 		return
 	}
 
-	returncode, content, err := bc.setBootOption(w, r)
-	if err != nil {
-		bc.l.Errorf("Error setting boot option for client: %s", err.Error())
-	}
 	helpers.HandleResponse(w, r, returncode, content, bc.l)
 }

bootserver/services/services.go

@@ -156,6 +156,20 @@ func (chs *ClientHandlerService) GetClientSelectedBootOption(client uuid.UUID) (
 	}
 }
 
+func (chs *ClientHandlerService) DeleteClient(client uuid.UUID) error {
+	var err error
+
+	clients, err := chs.load()
+	if err != nil {
+		return fmt.Errorf("failed to load current config: %w", err)
+	}
+	delete(clients, client)
+	if err := chs.unload(clients); err != nil {
+		return fmt.Errorf("failed to save current config: %w", err)
+	}
+	return nil
+}
+
 func (chs *ClientHandlerService) SetClientBootOption(client uuid.UUID, option string) error {
 	var err error