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core3: port TemplateVM

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This commit is contained in:
Wojtek Porczyk 2015-06-30 17:06:35 +02:00
parent ff7d89700a
commit 12092c3aa5
2 changed files with 28 additions and 99 deletions
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97
core-modules/003QubesTemplateVm.py
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@ -1,97 +0,0 @@
#!/usr/bin/python2
# -*- coding: utf-8 -*-
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2010 Joanna Rutkowska <joanna@invisiblethingslab.com>
# Copyright (C) 2013 Marek Marczykowski <marmarek@invisiblethingslab.com>
#
# 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.
#
#
import os
import subprocess
import sys
from qubes.qubes import QubesVm,register_qubes_vm_class,dry_run
from qubes.qubes import QubesVmCollection,QubesException,QubesVmLabels
from qubes.qubes import defaults,system_path,vm_files,vmm
class QubesTemplateVm(QubesVm):
"""
A class that represents an TemplateVM. A child of QubesVm.
"""
# In which order load this VM type from qubes.xml
load_order = 50
def get_attrs_config(self):
attrs_config = super(QubesTemplateVm, self).get_attrs_config()
attrs_config['dir_path']['func'] = \
lambda value: value if value is not None else \
os.path.join(system_path["qubes_templates_dir"], self.name)
attrs_config['label']['default'] = defaults["template_label"]
return attrs_config
def __init__(self, **kwargs):
super(QubesTemplateVm, self).__init__(**kwargs)
self.appvms = QubesVmCollection()
@property
def type(self):
return "TemplateVM"
@property
def updateable(self):
return True
def is_template(self):
return True
def get_firewall_defaults(self):
return { "rules": list(), "allow": False, "allowDns": False, "allowIcmp": False, "allowYumProxy": True }
@property
def rootcow_img(self):
return self.storage.rootcow_img
def clone_disk_files(self, src_vm, verbose):
if dry_run:
return
super(QubesTemplateVm, self).clone_disk_files(src_vm=src_vm, verbose=verbose)
# Create root-cow.img
self.commit_changes(verbose=verbose)
def commit_changes (self, verbose = False):
self.log.debug('commit_changes()')
if not vmm.offline_mode:
assert not self.is_running(), "Attempt to commit changes on running Template VM!"
if verbose:
print >> sys.stderr, "--> Commiting template updates... COW: {0}...".format (self.rootcow_img)
if dry_run:
return
self.storage.commit_template_changes()
register_qubes_vm_class(QubesTemplateVm)

30
qubes/vm/templatevm.py
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@ -7,8 +7,34 @@ import qubes.vm.qubesvm
class TemplateVM(qubes.vm.qubesvm.QubesVM):
'''Template for AppVM'''
def __init__(self, D):
super(TemplateVM, self).__init__(D)
@property
def rootcow_img(self):
'''COW image'''
return self.storage.rootcow_img
def __init__(self, *args, **kwargs):
super(TemplateVM, self).__init__(*args, **kwargs)
# Some additional checks for template based VM
assert self.root_img is not None, "Missing root_img for standalone VM!"
def clone_disk_files(self, src):
super(QubesTemplateVm, self).clone_disk_files(src)
# Create root-cow.img
self.commit_changes()
def commit_changes(self):
'''Commit changes to template'''
self.log.debug('commit_changes()')
if not self.app.vmm.offline_mode:
assert not self.is_running(), \
'Attempt to commit changes on running Template VM!'
self.log.info(
'Commiting template update; COW: {}'.format(self.rootcow_img))
self.storage.commit_template_changes()