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Fix for resizing Qemu VM disks

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grossmj 2026-02-23 17:10:15 +08:00
parent a6043f0fc6
commit c66e851498
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GPG Key ID: 1E7DD6DBB53FF3D7
1 changed files with 8 additions and 22 deletions
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30
gns3server/compute/qemu/qemu_vm.py
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@ -1744,11 +1744,14 @@ class QemuVM(BaseNode):
:param extend: new size
"""
if self.is_running():
raise QemuError(f"Cannot resize '{disk_name}' while the VM is running")
try:
qemu_img_path = self._get_qemu_img()
disk_path = os.path.join(self.working_dir, disk_name)
if not os.path.exists(disk_path):
raise QemuError(f"Qemu disk image '{disk_name}' does not exist")
raise QemuError(f"Qemu disk image '{disk_name}' does not exist in the working directory")
command = [qemu_img_path, "resize", disk_path, f"+{extend}M"]
retcode = await self._qemu_img_exec(command)
@ -1770,7 +1773,7 @@ class QemuVM(BaseNode):
disk_path = os.path.join(self.working_dir, disk_name)
if not os.path.exists(disk_path):
raise QemuError(f"Qemu disk image '{disk_name}' does not exist")
raise QemuError(f"Qemu disk image '{disk_name}' does not exist in the working directory")
try:
os.remove(disk_path)
@ -2258,24 +2261,6 @@ class QemuVM(BaseNode):
return options
async def resize_disk(self, drive_name, extend):
if self.is_running():
raise QemuError(f"Cannot resize {drive_name} while the VM is running")
if self.linked_clone:
disk_image_path = os.path.join(self.working_dir, f"{drive_name}_disk.qcow2")
if not os.path.exists(disk_image_path):
disk_image = getattr(self, f"_{drive_name}_disk_image")
await self._create_linked_clone(drive_name, disk_image, disk_image_path)
else:
disk_image_path = getattr(self, f"{drive_name}_disk_image")
if not os.path.exists(disk_image_path):
raise QemuError(f"Disk path '{disk_image_path}' does not exist")
qemu_img_path = self._get_qemu_img()
await self.manager.resize_disk(qemu_img_path, disk_image_path, extend)
def _cdrom_option(self):
options = []
@ -2716,13 +2701,14 @@ class QemuVM(BaseNode):
continue
answer[f"hd{drive}_disk_image"] = self.manager.get_relative_image_path(disk_image, self.working_dir)
answer[f"hd{drive}_disk_image_md5sum"] = md5sum(disk_image, self.working_dir)
local_disk = os.path.join(self.working_dir, f"hd{drive}_disk.qcow2")
if os.path.exists(local_disk):
try:
qcow2 = Qcow2(local_disk)
if qcow2.backing_file:
answer[f"hd{drive}_disk_image_backed"] = os.path.basename(local_disk)
answer[f"hd{drive}_disk_image"] = os.path.basename(local_disk)
answer[f"hd{drive}_disk_image_md5sum"] = md5sum(local_disk, self.working_dir)
answer[f"hd{drive}_disk_image_backing_file"] = os.path.basename(qcow2.backing_file)
except (Qcow2Error, OSError) as e:
log.error(f"Could not read qcow2 disk image '{local_disk}': {e}")
continue