e8dfd5e2a8
Updates the exception formatting in vfs/guestfs so that we properly raise in cases where there is no root or multiple roots. Fixes a TypeError that would occur with the previous code. Fixes LP Bug #1153414. Change-Id: I28f9cde5a2da466ebb7397176baaf051ccd4192b
204 lines
7.1 KiB
Python
204 lines
7.1 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright (C) 2012 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import sys
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from nova import exception
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from nova import test
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from nova.tests import fakeguestfs
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from nova.virt.disk.vfs import guestfs as vfsimpl
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class VirtDiskVFSGuestFSTest(test.TestCase):
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def setUp(self):
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super(VirtDiskVFSGuestFSTest, self).setUp()
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sys.modules['guestfs'] = fakeguestfs
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vfsimpl.guestfs = fakeguestfs
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def test_appliance_setup_inspect(self):
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vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2",
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imgfmt="qcow2",
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partition=-1)
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vfs.setup()
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self.assertEqual(vfs.handle.running, True)
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self.assertEqual(len(vfs.handle.mounts), 2)
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self.assertEqual(vfs.handle.mounts[0][1],
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"/dev/mapper/guestvgf-lv_root")
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self.assertEqual(vfs.handle.mounts[1][1], "/dev/vda1")
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self.assertEqual(vfs.handle.mounts[0][2], "/")
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self.assertEqual(vfs.handle.mounts[1][2], "/boot")
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handle = vfs.handle
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vfs.teardown()
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self.assertEqual(vfs.handle, None)
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self.assertEqual(handle.running, False)
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self.assertEqual(handle.closed, True)
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self.assertEqual(len(handle.mounts), 0)
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def test_appliance_setup_inspect_no_root_raises(self):
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vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2",
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imgfmt="qcow2",
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partition=-1)
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# call setup to init the handle so we can stub it
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vfs.setup()
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def fake_inspect_os():
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return []
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self.stubs.Set(vfs.handle, 'inspect_os', fake_inspect_os)
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self.assertRaises(exception.NovaException, vfs.setup_os_inspect)
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def test_appliance_setup_inspect_multi_boots_raises(self):
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vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2",
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imgfmt="qcow2",
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partition=-1)
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# call setup to init the handle so we can stub it
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vfs.setup()
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def fake_inspect_os():
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return ['fake1', 'fake2']
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self.stubs.Set(vfs.handle, 'inspect_os', fake_inspect_os)
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self.assertRaises(exception.NovaException, vfs.setup_os_inspect)
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def test_appliance_setup_static_nopart(self):
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vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2",
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imgfmt="qcow2",
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partition=None)
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vfs.setup()
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self.assertEqual(vfs.handle.running, True)
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self.assertEqual(len(vfs.handle.mounts), 1)
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self.assertEqual(vfs.handle.mounts[0][1], "/dev/sda")
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self.assertEqual(vfs.handle.mounts[0][2], "/")
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handle = vfs.handle
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vfs.teardown()
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self.assertEqual(vfs.handle, None)
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self.assertEqual(handle.running, False)
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self.assertEqual(handle.closed, True)
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self.assertEqual(len(handle.mounts), 0)
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def test_appliance_setup_static_part(self):
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vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2",
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imgfmt="qcow2",
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partition=2)
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vfs.setup()
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self.assertEqual(vfs.handle.running, True)
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self.assertEqual(len(vfs.handle.mounts), 1)
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self.assertEqual(vfs.handle.mounts[0][1], "/dev/sda2")
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self.assertEqual(vfs.handle.mounts[0][2], "/")
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handle = vfs.handle
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vfs.teardown()
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self.assertEqual(vfs.handle, None)
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self.assertEqual(handle.running, False)
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self.assertEqual(handle.closed, True)
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self.assertEqual(len(handle.mounts), 0)
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def test_makepath(self):
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vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
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vfs.setup()
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vfs.make_path("/some/dir")
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vfs.make_path("/other/dir")
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self.assertTrue("/some/dir" in vfs.handle.files)
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self.assertTrue("/other/dir" in vfs.handle.files)
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self.assertTrue(vfs.handle.files["/some/dir"]["isdir"])
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self.assertTrue(vfs.handle.files["/other/dir"]["isdir"])
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vfs.teardown()
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def test_append_file(self):
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vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
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vfs.setup()
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vfs.append_file("/some/file", " Goodbye")
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self.assertTrue("/some/file" in vfs.handle.files)
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self.assertEqual(vfs.handle.files["/some/file"]["content"],
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"Hello World Goodbye")
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vfs.teardown()
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def test_replace_file(self):
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vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
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vfs.setup()
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vfs.replace_file("/some/file", "Goodbye")
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self.assertTrue("/some/file" in vfs.handle.files)
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self.assertEqual(vfs.handle.files["/some/file"]["content"],
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"Goodbye")
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vfs.teardown()
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def test_read_file(self):
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vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
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vfs.setup()
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self.assertEqual(vfs.read_file("/some/file"), "Hello World")
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vfs.teardown()
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def test_has_file(self):
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vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
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vfs.setup()
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vfs.read_file("/some/file")
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self.assertTrue(vfs.has_file("/some/file"))
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self.assertFalse(vfs.has_file("/other/file"))
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vfs.teardown()
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def test_set_permissions(self):
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vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
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vfs.setup()
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vfs.read_file("/some/file")
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self.assertEquals(vfs.handle.files["/some/file"]["mode"], 0700)
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vfs.set_permissions("/some/file", 0777)
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self.assertEquals(vfs.handle.files["/some/file"]["mode"], 0777)
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vfs.teardown()
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def test_set_ownership(self):
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vfs = vfsimpl.VFSGuestFS(imgfile="/dummy.qcow2", imgfmt="qcow2")
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vfs.setup()
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vfs.read_file("/some/file")
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self.assertEquals(vfs.handle.files["/some/file"]["uid"], 100)
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self.assertEquals(vfs.handle.files["/some/file"]["gid"], 100)
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vfs.set_ownership("/some/file", "fred", None)
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self.assertEquals(vfs.handle.files["/some/file"]["uid"], 105)
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self.assertEquals(vfs.handle.files["/some/file"]["gid"], 100)
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vfs.set_ownership("/some/file", None, "users")
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self.assertEquals(vfs.handle.files["/some/file"]["uid"], 105)
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self.assertEquals(vfs.handle.files["/some/file"]["gid"], 500)
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vfs.set_ownership("/some/file", "joe", "admins")
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self.assertEquals(vfs.handle.files["/some/file"]["uid"], 110)
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self.assertEquals(vfs.handle.files["/some/file"]["gid"], 600)
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vfs.teardown()
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