Allow resetting a node to maintenance mode.

internal/api/v1/handlers.go

@@ -96,6 +96,7 @@ func (api *API) RegisterRoutes(r *mux.Router) {
 	r.HandleFunc("/api/v1/instances/{name}/nodes/{node}", api.NodeGet).Methods("GET")
 	r.HandleFunc("/api/v1/instances/{name}/nodes/{node}", api.NodeUpdate).Methods("PUT")
 	r.HandleFunc("/api/v1/instances/{name}/nodes/{node}/apply", api.NodeApply).Methods("POST")
+	r.HandleFunc("/api/v1/instances/{name}/nodes/{node}/reset", api.NodeReset).Methods("POST")
 	r.HandleFunc("/api/v1/instances/{name}/nodes/{node}", api.NodeDelete).Methods("DELETE")
 
 	// PXE Asset management (schematic@version composite key)

internal/api/v1/handlers_node.go

@@ -371,3 +371,28 @@ func (api *API) NodeDiscoveryCancel(w http.ResponseWriter, r *http.Request) {
 		"message": "Discovery cancelled successfully",
 	})
 }
+
+// NodeReset resets a node to maintenance mode
+func (api *API) NodeReset(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	instanceName := vars["name"]
+	nodeIdentifier := vars["node"]
+
+	// Validate instance exists
+	if err := api.instance.ValidateInstance(instanceName); err != nil {
+		respondError(w, http.StatusNotFound, fmt.Sprintf("Instance not found: %v", err))
+		return
+	}
+
+	// Reset node
+	nodeMgr := node.NewManager(api.dataDir, instanceName)
+	if err := nodeMgr.Reset(instanceName, nodeIdentifier); err != nil {
+		respondError(w, http.StatusInternalServerError, fmt.Sprintf("Failed to reset node: %v", err))
+		return
+	}
+
+	respondJSON(w, http.StatusOK, map[string]string{
+		"message": "Node reset successfully - now in maintenance mode",
+		"node":    nodeIdentifier,
+	})
+}

internal/node/node.go

@@ -326,7 +326,6 @@ func (m *Manager) detectHardwareWithMode(nodeIP string, insecure bool) (*Hardwar
 	}, nil
 }
 
-
 // Apply generates configuration and applies it to node
 // This follows the wild-node-apply flow:
 // 1. Auto-fetch templates if missing
@@ -587,17 +586,21 @@ func (m *Manager) updateNodeStatus(instanceName string, node *Node) error {
 	}
 
 	// Update configured flag
+	configuredValue := "false"
 	if node.Configured {
-		if err := yq.Set(configPath, basePath+".configured", "true"); err != nil {
-			return err
+		configuredValue = "true"
 	}
+	if err := yq.Set(configPath, basePath+".configured", configuredValue); err != nil {
+		return err
 	}
 
 	// Update applied flag
+	appliedValue := "false"
 	if node.Applied {
-		if err := yq.Set(configPath, basePath+".applied", "true"); err != nil {
-			return err
+		appliedValue = "true"
 	}
+	if err := yq.Set(configPath, basePath+".applied", appliedValue); err != nil {
+		return err
 	}
 
 	return nil
@@ -677,3 +680,36 @@ func (m *Manager) FetchTemplates(instanceName string) error {
 	destDir := filepath.Join(instancePath, "setup", "cluster-nodes", "patch.templates")
 	return m.extractEmbeddedTemplates(destDir)
 }
+
+// Reset resets a node to maintenance mode
+func (m *Manager) Reset(instanceName, nodeIdentifier string) error {
+	// Get node
+	node, err := m.Get(instanceName, nodeIdentifier)
+	if err != nil {
+		return fmt.Errorf("node not found: %w", err)
+	}
+
+	// Determine IP to reset
+	resetIP := node.CurrentIP
+	if resetIP == "" {
+		resetIP = node.TargetIP
+	}
+
+	// Execute reset command with graceful=false and reboot flags
+	talosconfigPath := tools.GetTalosconfigPath(m.dataDir, instanceName)
+	cmd := exec.Command("talosctl", "-n", resetIP, "--talosconfig", talosconfigPath, "reset", "--graceful=false", "--reboot")
+	output, err := cmd.CombinedOutput()
+	if err != nil {
+		return fmt.Errorf("failed to reset node: %w\nOutput: %s", err, string(output))
+	}
+
+	// Update node status to maintenance mode
+	node.Maintenance = true
+	node.Configured = false
+	node.Applied = false
+	if err := m.updateNodeStatus(instanceName, node); err != nil {
+		return fmt.Errorf("failed to update node status: %w", err)
+	}
+
+	return nil
+}