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Make pylint happy ♥

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Marek Marczykowski-Górecki 2016-09-21 16:39:06 +02:00
parent 96a4bb650b
commit 533804ebdc
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GPG Key ID: 063938BA42CFA724
2 changed files with 106 additions and 107 deletions
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5
qubes/tools/qvm_backup.py
View File

@ -91,8 +91,7 @@ def main(args=None):
except KeyError:
parser.error('no such domain: {!r}'.format(args.appvm))
args.app.log.info(("NOTE: VM {} will be excluded because it is "
"the backup destination.").format(args.appvm),
file=sys.stderr)
"the backup destination.").format(args.appvm))
if appvm:
args.exclude_list.append(appvm.name)
@ -137,7 +136,7 @@ def main(args=None):
appvm.start()
if not args.encrypted:
args.app.log.info("WARNING: The backup will NOT be encrypted!", file=sys.stderr)
args.app.log.info("WARNING: The backup will NOT be encrypted!")
if args.pass_file is not None:
pass_f = open(args.pass_file) if args.pass_file != "-" else sys.stdin

208
qubes/tools/qvm_backup_restore.py
View File

@ -3,7 +3,7 @@
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2016 Marek Marczykowski-Górecki
# Copyright (C) 2016 Marek Marczykowski-Górecki
# <marmarek@invisiblethingslab.com>
#
# This program is free software; you can redistribute it and/or modify
@ -89,7 +89,104 @@ parser.add_argument('vms', nargs='*', action='store', default='[]',
help='Restore only those VMs')
def handle_broken(app, args, restore_info):
there_are_conflicting_vms = False
there_are_missing_templates = False
there_are_missing_netvms = False
dom0_username_mismatch = False
for vm_info in restore_info.values():
assert isinstance(vm_info, qubes.backup.BackupRestore.VMToRestore)
if qubes.backup.BackupRestore.VMToRestore.EXCLUDED in vm_info.problems:
continue
if qubes.backup.BackupRestore.VMToRestore.MISSING_TEMPLATE in \
vm_info.problems:
there_are_missing_templates = True
if qubes.backup.BackupRestore.VMToRestore.MISSING_NETVM in \
vm_info.problems:
there_are_missing_netvms = True
if qubes.backup.BackupRestore.VMToRestore.ALREADY_EXISTS in \
vm_info.problems:
there_are_conflicting_vms = True
if qubes.backup.BackupRestore.Dom0ToRestore.USERNAME_MISMATCH in \
vm_info.problems:
dom0_username_mismatch = True
if there_are_conflicting_vms:
app.log.error(
"*** There are VMs with conflicting names on the host! ***")
if args.skip_conflicting:
app.log.error(
"Those VMs will not be restored. "
"The host VMs will NOT be overwritten.")
else:
raise qubes.exc.QubesException(
"Remove VMs with conflicting names from the host "
"before proceeding.\n"
"Or use --skip-conflicting to restore only those VMs that "
"do not exist on the host.\n"
"Or use --rename-conflicting to restore those VMs under "
"modified names (with numbers at the end).")
app.log.info("The above VMs will be copied and added to your system.")
app.log.info("Exisiting VMs will NOT be removed.")
if there_are_missing_templates:
app.log.warning("*** One or more TemplateVMs are missing on the "
"host! ***")
if not (args.skip_broken or args.ignore_missing):
raise qubes.exc.QubesException(
"Install them before proceeding with the restore."
"Or pass: --skip-broken or --ignore-missing.")
elif args.skip_broken:
app.log.warning("Skipping broken entries: VMs that depend on "
"missing TemplateVMs will NOT be restored.")
elif args.ignore_missing:
app.log.warning("Ignoring missing entries: VMs that depend "
"on missing TemplateVMs will NOT be restored.")
else:
raise qubes.exc.QubesException(
"INTERNAL ERROR! Please report this to the Qubes OS team!")
if there_are_missing_netvms:
app.log.warning("*** One or more NetVMs are missing on the "
"host! ***")
if not (args.skip_broken or args.ignore_missing):
raise qubes.exc.QubesException(
"Install them before proceeding with the restore."
"Or pass: --skip-broken or --ignore-missing.")
elif args.skip_broken:
app.log.warning("Skipping broken entries: VMs that depend on "
"missing NetVMs will NOT be restored.")
elif args.ignore_missing:
app.log.warning("Ignoring missing entries: VMs that depend "
"on missing NetVMs will NOT be restored.")
else:
raise qubes.exc.QubesException(
"INTERNAL ERROR! Please report this to the Qubes OS team!")
if 'dom0' in restore_info.keys() and args.dom0_home:
if dom0_username_mismatch:
app.log.warning("*** Dom0 username mismatch! This can break "
"some settings! ***")
if not args.ignore_username_mismatch:
raise qubes.exc.QubesException(
"Skip restoring the dom0 home directory "
"(--skip-dom0-home), or pass "
"--ignore-username-mismatch to continue anyway.")
else:
app.log.warning("Continuing as directed.")
app.log.warning("NOTE: Before restoring the dom0 home directory, "
"a new directory named "
"'home-pre-restore-<current-time>' will be "
"created inside the dom0 home directory. If any "
"restored files conflict with existing files, "
"the existing files will be moved to this new "
"directory.")
def main(args=None):
# pylint: disable=too-many-return-statements
args = parser.parse_args(args)
appvm = None
@ -109,6 +206,7 @@ def main(args=None):
"and (if encrypted) decrypt the backup: ")
encoding = sys.stdin.encoding or locale.getpreferredencoding()
# pylint: disable=redefined-variable-type
passphrase = passphrase.decode(encoding)
args.app.log.info("Checking backup content...")
@ -145,108 +243,10 @@ def main(args=None):
print(backup.get_restore_summary(restore_info))
there_are_conflicting_vms = False
there_are_missing_templates = False
there_are_missing_netvms = False
dom0_username_mismatch = False
for vm_info in restore_info.values():
assert isinstance(vm_info, qubes.backup.BackupRestore.VMToRestore)
if qubes.backup.BackupRestore.VMToRestore.EXCLUDED in vm_info.problems:
continue
if qubes.backup.BackupRestore.VMToRestore.MISSING_TEMPLATE in \
vm_info.problems:
there_are_missing_templates = True
if qubes.backup.BackupRestore.VMToRestore.MISSING_NETVM in \
vm_info.problems:
there_are_missing_netvms = True
if qubes.backup.BackupRestore.VMToRestore.ALREADY_EXISTS in \
vm_info.problems:
there_are_conflicting_vms = True
if qubes.backup.BackupRestore.Dom0ToRestore.USERNAME_MISMATCH in \
vm_info.problems:
dom0_username_mismatch = True
if there_are_conflicting_vms:
args.app.log.error(
"*** There are VMs with conflicting names on the host! ***")
if args.skip_conflicting:
args.app.log.error(
"Those VMs will not be restored. "
"The host VMs will NOT be overwritten.")
else:
args.app.log.error(
"Remove VMs with conflicting names from the host "
"before proceeding.")
args.app.log.error(
"Or use --skip-conflicting to restore only those VMs that "
"do not exist on the host.")
args.app.log.error(
"Or use --rename-conflicting to restore those VMs under "
"modified names (with numbers at the end).")
return 1
args.app.log.info("The above VMs will be copied and added to your system.")
args.app.log.info("Exisiting VMs will NOT be removed.")
if there_are_missing_templates:
args.app.log.error("*** One or more TemplateVMs are missing on the "
"host! ***")
if not (args.skip_broken or args.ignore_missing):
args.app.log.error("Install them before proceeding with the "
"restore.")
args.app.log.error("Or pass: --skip-broken or --ignore-missing.")
return 1
elif args.skip_broken:
args.app.log.error("Skipping broken entries: VMs that depend on "
"missing TemplateVMs will NOT be restored.")
elif args.ignore_missing:
args.app.log.error("Ignoring missing entries: VMs that depend "
"on missing TemplateVMs will NOT be restored.")
else:
args.app.log.error("INTERNAL ERROR! Please report this to the "
"Qubes OS team!")
return 1
if there_are_missing_netvms:
args.app.log.error("*** One or more NetVMs are missing on the "
"host! ***")
if not (args.skip_broken or args.ignore_missing):
args.app.log.error("Install them before proceeding with the "
"restore.")
args.app.log.error("Or pass: --skip-broken or --ignore-missing.")
return 1
elif args.skip_broken:
args.app.log.error("Skipping broken entries: VMs that depend on "
"missing NetVMs will NOT be restored.")
elif args.ignore_missing:
args.app.log.error("Ignoring missing entries: VMs that depend "
"on missing NetVMs will NOT be restored.")
else:
args.app.log.error("INTERNAL ERROR! Please report this to the "
"Qubes OS team!")
return 1
if 'dom0' in restore_info.keys() and args.dom0_home:
if dom0_username_mismatch:
args.app.log.error("*** Dom0 username mismatch! This can break "
"some settings! ***")
if not args.ignore_username_mismatch:
args.app.log.error("Skip restoring the dom0 home directory "
"(--skip-dom0-home), or pass "
"--ignore-username-mismatch to continue "
"anyway.")
return 1
else:
args.app.log.error("Continuing as directed.")
args.app.log.error("NOTE: Before restoring the dom0 home directory, "
"a new directory named "
"'home-pre-restore-<current-time>' will be "
"created inside the dom0 home directory. If any "
"restored files conflict with existing files, "
"the existing files will be moved to this new "
"directory.")
try:
handle_broken(args.app, args, restore_info)
except qubes.exc.QubesException as e:
parser.error_runtime(str(e))
if args.pass_file is None:
if raw_input("Do you want to proceed? [y/N] ").upper() != "Y":
@ -258,4 +258,4 @@ def main(args=None):
parser.error_runtime(str(e))
if __name__ == '__main__':
main()
main()