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Code Issues Releases Wiki Activity

QEMU config disk - improve error handling

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This commit is contained in:
Bernhard Ehlers 2020-07-03 11:31:17 +02:00 committed by grossmj
parent 2bbee15b18
commit 068c31038f
1 changed files with 16 additions and 15 deletions
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31
gns3server/compute/qemu/qemu_vm.py
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@ -1668,17 +1668,15 @@ class QemuVM(BaseNode):
config_dir = os.path.join(self.working_dir, "configs")
zip_file = os.path.join(self.working_dir, "config.zip")
try:
shutil.rmtree(config_dir, ignore_errors=True)
os.mkdir(config_dir)
await self._mcopy(disk, "-s", "-m", "-n", "--", "::/", config_dir)
if os.path.exists(zip_file):
os.remove(zip_file)
await self._mcopy(disk, "-s", "-m", "-n", "--", "::/", config_dir)
pack_zip(zip_file, config_dir)
except OSError as e:
log.warning("Can't export config: {}".format(e))
self.project.emit("log.warning", {"message": "{}: Can't export config: {}".format(self._name, e)})
finally:
shutil.rmtree(config_dir, ignore_errors=True)
shutil.rmtree(config_dir, ignore_errors=True)
async def _import_config(self):
disk_name = getattr(self, "config_disk_name")
@ -1687,23 +1685,23 @@ class QemuVM(BaseNode):
return
config_dir = os.path.join(self.working_dir, "configs")
disk = os.path.join(self.working_dir, disk_name)
disk_tmp = disk + ".tmp"
try:
shutil.rmtree(config_dir, ignore_errors=True)
os.mkdir(config_dir)
shutil.copyfile(getattr(self, "config_disk_image"), disk_tmp)
unpack_zip(zip_file, config_dir)
shutil.copyfile(getattr(self, "config_disk_image"), disk)
config_files = [os.path.join(config_dir, fname)
for fname in os.listdir(config_dir)]
if config_files:
await self._mcopy(disk, "-s", "-m", "-o", "--", *config_files, "::/")
await self._mcopy(disk_tmp, "-s", "-m", "-o", "--", *config_files, "::/")
os.replace(disk_tmp, disk)
except OSError as e:
log.warning("Can't import config: {}".format(e))
self.project.emit("log.warning", {"message": "{}: Can't import config: {}".format(self._name, e)})
if os.path.exists(disk):
os.remove(disk)
os.remove(zip_file)
finally:
shutil.rmtree(config_dir, ignore_errors=True)
if os.path.exists(disk_tmp):
os.remove(disk_tmp)
os.remove(zip_file)
shutil.rmtree(config_dir, ignore_errors=True)
def _disk_interface_options(self, disk, disk_index, interface, format=None):
options = []
@ -1808,12 +1806,15 @@ class QemuVM(BaseNode):
if interface == "ide":
interface = getattr(self, "hda_disk_interface", "none")
await self._import_config()
if not os.path.exists(disk):
disk_exists = os.path.exists(disk)
if not disk_exists:
try:
shutil.copyfile(disk_image, disk)
disk_exists = True
except OSError as e:
raise QemuError("Could not create '{}' disk image: {}".format(disk_name, e))
options.extend(self._disk_interface_options(disk, 3, interface, "raw"))
log.warning("Could not create '{}' disk image: {}".format(disk_name, e))
if disk_exists:
options.extend(self._disk_interface_options(disk, 3, interface, "raw"))
return options