log.write("Upgrade mode init : Scanning for devices\n")
systeminfo.get_block_devices_dict(vars, log)
utils.sysexec_noerr("vgscan --mknodes", log)
+ utils.sysexec_noerr("vgchange -ay", log)
# debugging info - show in either mode
utils.display_disks_status(PARTITIONS, "In InstallBootstrapFS", log)
with open("{}/etc/planetlab/virt".format(sysimg)) as infile:
installed_virt = infile.read().strip()
except Exception as e:
- print_exc()
+ traceback.print_exc()
raise BootManagerException("Could not retrieve data about previous installation - cannot upgrade")
# moving from vservers to lxc also means another filesystem
# so plain reinstall is the only option
if installed_virt != 'lxc':
- raise BootManagerException("Can only upgrade nodes running lxc containers (vservers not supported)")
+ message = """Can only upgrade nodes already running lxc containers
+a node running vservers has its /vservers/ partition formatted as ext3
+and we need btrfs to move to containers
+your only option here is reinstall"""
+ raise BootManagerException(message)
# changing arch is not reasonable either
if target_arch != installed_arch: