nova/nova/tests/virt/test_virt_disk_vfs_guestfs.py

207 lines
7.2 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright (C) 2012 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import sys
from nova import exception
from nova import test
from nova.tests import fakeguestfs
from nova.virt.disk.vfs import guestfs as vfsimpl
class VirtDiskVFSGuestFSTest(test.NoDBTestCase):
def setUp(self):
super(VirtDiskVFSGuestFSTest, self).setUp()
sys.modules['guestfs'] = fakeguestfs
vfsimpl.guestfs = fakeguestfs
def test_appliance_setup_inspect(self):
vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2",
imgfmt="qcow2",
partition=-1)
vfs.setup()
self.assertEqual(vfs.handle.running, True)
self.assertEqual(len(vfs.handle.mounts), 3)
self.assertEqual(vfs.handle.mounts[0][1],
"/dev/mapper/guestvgf-lv_root")
self.assertEqual(vfs.handle.mounts[1][1], "/dev/vda1")
self.assertEqual(vfs.handle.mounts[2][1],
"/dev/mapper/guestvgf-lv_home")
self.assertEqual(vfs.handle.mounts[0][2], "/")
self.assertEqual(vfs.handle.mounts[1][2], "/boot")
self.assertEqual(vfs.handle.mounts[2][2], "/home")
handle = vfs.handle
vfs.teardown()
self.assertEqual(vfs.handle, None)
self.assertEqual(handle.running, False)
self.assertEqual(handle.closed, True)
self.assertEqual(len(handle.mounts), 0)
def test_appliance_setup_inspect_no_root_raises(self):
vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2",
imgfmt="qcow2",
partition=-1)
# call setup to init the handle so we can stub it
vfs.setup()
def fake_inspect_os():
return []
self.stubs.Set(vfs.handle, 'inspect_os', fake_inspect_os)
self.assertRaises(exception.NovaException, vfs.setup_os_inspect)
def test_appliance_setup_inspect_multi_boots_raises(self):
vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2",
imgfmt="qcow2",
partition=-1)
# call setup to init the handle so we can stub it
vfs.setup()
def fake_inspect_os():
return ['fake1', 'fake2']
self.stubs.Set(vfs.handle, 'inspect_os', fake_inspect_os)
self.assertRaises(exception.NovaException, vfs.setup_os_inspect)
def test_appliance_setup_static_nopart(self):
vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2",
imgfmt="qcow2",
partition=None)
vfs.setup()
self.assertEqual(vfs.handle.running, True)
self.assertEqual(len(vfs.handle.mounts), 1)
self.assertEqual(vfs.handle.mounts[0][1], "/dev/sda")
self.assertEqual(vfs.handle.mounts[0][2], "/")
handle = vfs.handle
vfs.teardown()
self.assertEqual(vfs.handle, None)
self.assertEqual(handle.running, False)
self.assertEqual(handle.closed, True)
self.assertEqual(len(handle.mounts), 0)
def test_appliance_setup_static_part(self):
vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2",
imgfmt="qcow2",
partition=2)
vfs.setup()
self.assertEqual(vfs.handle.running, True)
self.assertEqual(len(vfs.handle.mounts), 1)
self.assertEqual(vfs.handle.mounts[0][1], "/dev/sda2")
self.assertEqual(vfs.handle.mounts[0][2], "/")
handle = vfs.handle
vfs.teardown()
self.assertEqual(vfs.handle, None)
self.assertEqual(handle.running, False)
self.assertEqual(handle.closed, True)
self.assertEqual(len(handle.mounts), 0)
def test_makepath(self):
vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
vfs.setup()
vfs.make_path("/some/dir")
vfs.make_path("/other/dir")
self.assertTrue("/some/dir" in vfs.handle.files)
self.assertTrue("/other/dir" in vfs.handle.files)
self.assertTrue(vfs.handle.files["/some/dir"]["isdir"])
self.assertTrue(vfs.handle.files["/other/dir"]["isdir"])
vfs.teardown()
def test_append_file(self):
vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
vfs.setup()
vfs.append_file("/some/file", " Goodbye")
self.assertTrue("/some/file" in vfs.handle.files)
self.assertEqual(vfs.handle.files["/some/file"]["content"],
"Hello World Goodbye")
vfs.teardown()
def test_replace_file(self):
vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
vfs.setup()
vfs.replace_file("/some/file", "Goodbye")
self.assertTrue("/some/file" in vfs.handle.files)
self.assertEqual(vfs.handle.files["/some/file"]["content"],
"Goodbye")
vfs.teardown()
def test_read_file(self):
vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
vfs.setup()
self.assertEqual(vfs.read_file("/some/file"), "Hello World")
vfs.teardown()
def test_has_file(self):
vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
vfs.setup()
vfs.read_file("/some/file")
self.assertTrue(vfs.has_file("/some/file"))
self.assertFalse(vfs.has_file("/other/file"))
vfs.teardown()
def test_set_permissions(self):
vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
vfs.setup()
vfs.read_file("/some/file")
self.assertEquals(vfs.handle.files["/some/file"]["mode"], 0o700)
vfs.set_permissions("/some/file", 0o7777)
self.assertEquals(vfs.handle.files["/some/file"]["mode"], 0o7777)
vfs.teardown()
def test_set_ownership(self):
vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
vfs.setup()
vfs.read_file("/some/file")
self.assertEquals(vfs.handle.files["/some/file"]["uid"], 100)
self.assertEquals(vfs.handle.files["/some/file"]["gid"], 100)
vfs.set_ownership("/some/file", "fred", None)
self.assertEquals(vfs.handle.files["/some/file"]["uid"], 105)
self.assertEquals(vfs.handle.files["/some/file"]["gid"], 100)
vfs.set_ownership("/some/file", None, "users")
self.assertEquals(vfs.handle.files["/some/file"]["uid"], 105)
self.assertEquals(vfs.handle.files["/some/file"]["gid"], 500)
vfs.set_ownership("/some/file", "joe", "admins")
self.assertEquals(vfs.handle.files["/some/file"]["uid"], 110)
self.assertEquals(vfs.handle.files["/some/file"]["gid"], 600)
vfs.teardown()