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Try to delete saved VM state only if a snapshot has been saved.

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This commit is contained in:
grossmj 2019-01-12 17:04:37 +07:00
parent bb284d082a
commit c6afea49da
1 changed files with 13 additions and 7 deletions
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20
gns3server/compute/qemu/qemu_vm.py
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@ -1832,13 +1832,19 @@ class QemuVM(BaseNode):
disk = disk_image
if not os.path.exists(disk):
continue
command = [qemu_img_path, "snapshot", "-d", snapshot_name, disk]
retcode = await self._qemu_img_exec(command)
if retcode:
stdout = self.read_qemu_img_stdout()
log.warning("Could not delete saved VM state from disk {}: {}".format(disk, stdout))
else:
log.info("Deleted saved VM state from disk {}".format(disk))
output = await subprocess_check_output(qemu_img_path, "info", "--output=json", disk)
json_data = json.loads(output)
if "snapshots" in json_data:
for snapshot in json_data["snapshots"]:
if snapshot["name"] == snapshot_name:
# delete the snapshot
command = [qemu_img_path, "snapshot", "-d", snapshot_name, disk]
retcode = await self._qemu_img_exec(command)
if retcode:
stdout = self.read_qemu_img_stdout()
log.warning("Could not delete saved VM state from disk {}: {}".format(disk, stdout))
else:
log.info("Deleted saved VM state from disk {}".format(disk))
except subprocess.SubprocessError as e:
raise QemuError("Error while looking for the Qemu VM saved state snapshot: {}".format(e))