fixing UI and iscsi sync

internal/storage/iscsi.go

@@ -3,6 +3,7 @@ package storage
 import (
 	"errors"
 	"fmt"
+	"strings"
 	"sync"
 
 	"gitea.avt.data-center.id/othman.suseno/atlas/internal/models"
@@ -69,6 +70,12 @@ func (s *ISCSIStore) GetByIQN(iqn string) (*models.ISCSITarget, error) {
 
 // Create creates a new iSCSI target
 func (s *ISCSIStore) Create(iqn string, initiators []string) (*models.ISCSITarget, error) {
+	// Default to disk mode for backward compatibility
+	return s.CreateWithType(iqn, models.ISCSITargetTypeDisk, initiators)
+}
+
+// CreateWithType creates a new iSCSI target with specified type
+func (s *ISCSIStore) CreateWithType(iqn string, targetType models.ISCSITargetType, initiators []string) (*models.ISCSITarget, error) {
 	s.mu.Lock()
 	defer s.mu.Unlock()
 
@@ -85,6 +92,7 @@ func (s *ISCSIStore) Create(iqn string, initiators []string) (*models.ISCSITarge
 	target := &models.ISCSITarget{
 		ID:         id,
 		IQN:        iqn,
+		Type:       targetType,
 		LUNs:       []models.LUN{},
 		Initiators: initiators,
 		Enabled:    true,
@@ -151,10 +159,64 @@ func (s *ISCSIStore) AddLUN(targetID string, zvol string, size uint64) (*models.
 	}
 
 	lun := models.LUN{
-		ID:      lunID,
-		ZVOL:    zvol,
-		Size:    size,
-		Backend: "zvol",
+		ID:        lunID,
+		ZVOL:      zvol,
+		Size:      size,
+		Backend:   "zvol",
+		Backstore: "block", // Default to block for ZVOL
+	}
+
+	target.LUNs = append(target.LUNs, lun)
+	return &lun, nil
+}
+
+// AddLUNWithDevice adds a LUN to a target with support for device and backstore type
+func (s *ISCSIStore) AddLUNWithDevice(targetID string, zvol string, device string, size uint64, backstore string, backstoreName string) (*models.LUN, error) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	target, ok := s.targets[targetID]
+	if !ok {
+		return nil, ErrISCSITargetNotFound
+	}
+
+	// Check if device/ZVOL already mapped
+	for _, lun := range target.LUNs {
+		if (zvol != "" && lun.ZVOL == zvol) || (device != "" && lun.Device == device) {
+			return nil, ErrLUNExists
+		}
+	}
+
+	// Find next available LUN ID
+	lunID := 0
+	for _, lun := range target.LUNs {
+		if lun.ID >= lunID {
+			lunID = lun.ID + 1
+		}
+	}
+
+	// Auto-detect backstore type if not specified
+	if backstore == "" {
+		if device != "" {
+			// If device is specified and looks like tape device, use pscsi
+			if strings.HasPrefix(device, "/dev/st") || strings.HasPrefix(device, "/dev/nst") {
+				backstore = "pscsi"
+			} else {
+				backstore = "block"
+			}
+		} else if zvol != "" {
+			backstore = "block"
+		}
+	}
+
+	lun := models.LUN{
+		ID:            lunID,
+		ZVOL:          zvol,
+		Device:        device,
+		Size:          size,
+		Backend:       "zvol", // Keep for backward compatibility
+		Backstore:     backstore,
+		BackstoreName: backstoreName,
 	}
 
 	target.LUNs = append(target.LUNs, lun)