Fix UEFI snapshot support and ensure sudo privileges

iridium_installer/backend/os_install.py

@@ -190,6 +190,13 @@ UUID={efi_uuid} /boot vfat defaults 0 2
             p = subprocess.Popen(["chroot", mount_root, "chpasswd"], stdin=subprocess.PIPE, text=True)
             p.communicate(input=f"{user_info['username']}:{user_info['password']}")
             
+            # Ensure wheel group has sudo privileges
+            sudoers_dir = os.path.join(mount_root, "etc/sudoers.d")
+            os.makedirs(sudoers_dir, exist_ok=True)
+            with open(os.path.join(sudoers_dir, "wheel"), "w") as f:
+                f.write("%wheel ALL=(ALL) ALL\n")
+            os.chmod(os.path.join(sudoers_dir, "wheel"), 0o440)
+
             # Set hostname
             with open(os.path.join(mount_root, "etc/hostname"), "w") as f:
                 f.write(user_info["hostname"] + "\n")

run_vm_uefi.sh

@@ -5,14 +5,17 @@ ISO_PATH="${1:-/home/n0va/Downloads/Fedora-Workstation-Live-43-1.6.x86_64.iso}"
 DISK_PATH="${2:-/home/n0va/.local/share/iridium-installer-vm/test-disk.qcow2}"
 OVMF_CODE="/usr/share/edk2/x64/OVMF_CODE.4m.fd"
 OVMF_VARS_TEMPLATE="/usr/share/edk2/x64/OVMF_VARS.4m.fd"
-OVMF_VARS_LOCAL="/tmp/iridium_vm_vars.fd"
+OVMF_VARS_LOCAL="/tmp/iridium_vm_vars.qcow2"
 
-# Ensure OVMF vars exist
+# Ensure OVMF vars exist in qcow2 format for snapshot support
 if [ ! -f "$OVMF_VARS_LOCAL" ]; then
     if [ -f "$OVMF_VARS_TEMPLATE" ]; then
-        cp "$OVMF_VARS_TEMPLATE" "$OVMF_VARS_LOCAL"
+        echo "Creating UEFI vars file from template..."
+        qemu-img convert -f raw -O qcow2 "$OVMF_VARS_TEMPLATE" "$OVMF_VARS_LOCAL"
     else
         echo "Warning: OVMF VARS template not found at $OVMF_VARS_TEMPLATE"
+        # Fallback to creating an empty qcow2 if template is missing (not ideal but avoids crash)
+        qemu-img create -f qcow2 "$OVMF_VARS_LOCAL" 528K
     fi
 fi
 
@@ -21,13 +24,14 @@ echo "ISO: $ISO_PATH"
 echo "Disk: $DISK_PATH"
 
 # QEMU Command with UEFI (OVMF) enabled
+# We use format=qcow2 for pflash1 to allow snapshots (savevm)
 qemu-system-x86_64 \
     -enable-kvm \
     -m 4G \
     -smp 2 \
     -cpu host \
     -drive if=pflash,format=raw,readonly=on,file="$OVMF_CODE" \
-    -drive if=pflash,format=raw,file="$OVMF_VARS_LOCAL" \
+    -drive if=pflash,format=qcow2,file="$OVMF_VARS_LOCAL" \
     -drive file="$DISK_PATH",format=qcow2,if=virtio \
     -cdrom "$ISO_PATH" \
     -boot once=d \
@@ -37,4 +41,4 @@ qemu-system-x86_64 \
     -display gtk,gl=on \
     -monitor unix:$HOME/.local/share/iridium-installer-vm/monitor.sock,server,nowait \
     -name "Iridium Installer Test VM (UEFI)" \
-#    -loadvm clean-state
+#    -loadvm clean-state