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Code Issues Releases Wiki Activity

QEMU config disk - notification of import/export errors

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This commit is contained in:
Bernhard Ehlers 2020-06-28 09:21:57 +02:00 committed by grossmj
parent b672900406
commit 50c49cfedb
1 changed files with 15 additions and 17 deletions
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28
gns3server/compute/qemu/qemu_vm.py
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@ -1649,12 +1649,10 @@ class QemuVM(BaseNode):
mbr = img_file.read(512)
part_type, offset, signature = struct.unpack("<450xB3xL52xH", mbr)
if signature != 0xAA55:
log.error("mcopy failure: {}: invalid MBR".format(image))
return 1
raise OSError("mcopy failure: {}: invalid MBR".format(image))
if part_type not in (1, 4, 6, 11, 12, 14):
log.error("mcopy failure: {}: invalid partition type {:02X}"
raise OSError("mcopy failure: {}: invalid partition type {:02X}"
.format(image, part_type))
return 1
part_image = image + "@@{}S".format(offset)
process = await asyncio.create_subprocess_exec(
@ -1665,15 +1663,13 @@ class QemuVM(BaseNode):
(stdout, _) = await process.communicate()
retcode = process.returncode
except (OSError, subprocess.SubprocessError) as e:
log.error("mcopy failure: {}".format(e))
return 1
raise OSError("mcopy failure: {}".format(e))
if retcode != 0:
stdout = stdout.decode("utf-8").rstrip()
if stdout:
log.error("mcopy failure: {}".format(stdout))
raise OSError("mcopy failure: {}".format(stdout))
else:
log.error("mcopy failure: return code {}".format(retcode))
return retcode
raise OSError("mcopy failure: return code {}".format(retcode))
async def _export_config(self):
disk_name = getattr(self, "config_disk_name")
@ -1689,10 +1685,11 @@ class QemuVM(BaseNode):
os.mkdir(config_dir)
if os.path.exists(zip_file):
os.remove(zip_file)
if await self._mcopy(disk, "-s", "-m", "-n", "--", "::/", config_dir) == 0:
await self._mcopy(disk, "-s", "-m", "-n", "--", "::/", config_dir)
pack_zip(zip_file, config_dir)
except OSError as e:
log.error("Can't export config: {}".format(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)
@ -1711,11 +1708,12 @@ class QemuVM(BaseNode):
config_files = [os.path.join(config_dir, fname)
for fname in os.listdir(config_dir)]
if config_files:
if await self._mcopy(disk, "-s", "-m", "-o", "--", *config_files, "::/") != 0:
os.remove(disk)
os.remove(zip_file)
await self._mcopy(disk, "-s", "-m", "-o", "--", *config_files, "::/")
except OSError as e:
log.error("Can't import config: {}".format(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)