storage: remove DomainPool

Replaced by BlockDevice extension
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Marek Marczykowski-Górecki 2017-05-29 21:26:23 +02:00
parent 9bb5054e50
commit b5a4573290
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3 changed files with 0 additions and 117 deletions

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@ -1,113 +0,0 @@
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2016 Bahtiar `kalkin-` Gadimov <bahtiar@gadimov.de>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
''' Manages block devices in a domain '''
import itertools
import string # pylint: disable=deprecated-module
from qubes.storage import Pool, Volume
class DomainPool(Pool):
''' This pool manages all the block devices of a domain.
The devices are queried through :py:module:`qubesdb`
'''
driver = 'domain'
def __init__(self, vm):
self.vm = vm
super(DomainPool, self).__init__(name='p_' + vm.name)
@property
def volumes(self):
''' Queries qubesdb and returns volumes for `self.vm` '''
qdb = self.vm.qdb
safe_set = set(itertools.chain(
string.ascii_letters, string.digits, string.punctuation))
allowed_attributes = {'desc': string.printable,
'mode': string.ascii_letters,
'size': string.digits}
if not self.vm.is_running():
return []
untrusted_qubes_devices = qdb.list('/qubes-block-devices/')
# because we get each path 3 x times as
# /qubes-block-devices/foo/{desc,mode,size} we need to merge this
devices = {}
for untrusted_device_path in untrusted_qubes_devices:
if not all(chr(c) in safe_set for c in untrusted_device_path):
msg = ("%s vm's device path name contains unsafe characters. "
"Skipping it.")
self.vm.log.warning(msg % self.vm.name)
continue
# name can be trusted because it was checked as a part of
# untrusted_device_path check above
_, _, name, untrusted_atr = untrusted_device_path.\
decode('ascii').split('/', 4)
if untrusted_atr in allowed_attributes.keys():
atr = untrusted_atr
else:
msg = ('{!s} has an unknown qubes-block-device atr {!s} '
'Skipping it')
self.vm.log.error(msg.format(self.vm.name, untrusted_atr))
continue
untrusted_value = qdb.read(untrusted_device_path)
allowed_characters = allowed_attributes[atr]
if all(chr(c) in allowed_characters for c in untrusted_value):
value = untrusted_value.decode('ascii')
else:
msg = ("{!s} vm's device path {!s} contains unsafe characters")
self.vm.log.error(msg.format(self.vm.name, atr))
continue
if name not in devices.keys():
devices[name] = {}
devices[name][atr] = value
return [DomainVolume(self.vm, _name, self.name, **atrs)
for _name, atrs in devices.items()]
def clone(self, source, target):
raise NotImplementedError
def __xml__(self):
return None
class DomainVolume(Volume):
''' A volume provided by a block device in an domain '''
def __init__(self, vm, name, pool, desc, mode, **kwargs):
rw = (mode == 'w')
super(DomainVolume, self).__init__(desc, pool, vid=name, removable=True,
rw=rw, **kwargs)
self.domain = vm
@property
def revisions(self):
return {}

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@ -45,7 +45,6 @@ import qubes
import qubes.config
import qubes.exc
import qubes.storage
import qubes.storage.domain
import qubes.storage.file
import qubes.utils
import qubes.vm
@ -739,8 +738,6 @@ class QubesVM(qubes.vm.mix.net.NetVMMixin, qubes.vm.BaseVM):
# Initialize VM image storage class
self.storage = qubes.storage.Storage(self)
vm_pool = qubes.storage.domain.DomainPool(self)
self.app.pools[vm_pool.name] = vm_pool
@qubes.events.handler('property-set:label')
def on_property_set_label(self, event, name, newvalue, oldvalue=None):

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@ -266,7 +266,6 @@ fi
%{python3_sitelib}/qubes/storage/__pycache__/*
%{python3_sitelib}/qubes/storage/__init__.py
%{python3_sitelib}/qubes/storage/file.py
%{python3_sitelib}/qubes/storage/domain.py
%{python3_sitelib}/qubes/storage/kernels.py
%{python3_sitelib}/qubes/storage/lvm.py