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core-admin-client/qubesadmin/tests/tools/qvm_volume.py
Marek Marczykowski-Górecki 83b1fc6c58
tools/qvm-volume import: do not retrieve old size anymore 
Since admin.vm.volume.ImportWithSize method is used now, there is no
need to retrieve old size anymore (to decide whether to resize or not).
2020-05-10 03:57:28 +02:00

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# -*- encoding: utf-8 -*-
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2017 Marek Marczykowski-Górecki
# <marmarek@invisiblethingslab.com>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with this program; if not, see <http://www.gnu.org/licenses/>.
import tempfile
import unittest.mock
import qubesadmin.tests
import qubesadmin.tests.tools
import qubesadmin.tools.qvm_volume
class TC_00_qvm_volume(qubesadmin.tests.QubesTestCase):
def setup_expected_calls_for_list(self, vms=('vm1', 'sys-net')):
self.app.expected_calls[
('dom0', 'admin.vm.List', None, None)] = \
b'0\x00vm1 class=AppVM state=Running\n' \
b'sys-net class=AppVM state=Running\n'
for vm in vms:
for vol in ('root', 'private'):
self.app.expected_calls[
(vm, 'admin.vm.volume.Info', vol, None)] = \
b'0\x00' + \
(b'pool=pool-file\n' if vol == 'root' else
b'pool=other-pool\n') + \
b'vid=' + vm.encode() + b'-' + vol.encode() + b'\n' \
b'size=10737418240\n'
self.app.expected_calls[
(vm, 'admin.vm.volume.ListSnapshots', vol, None)] = \
b'0\x00snap1\n' if vol == 'private' else b'0\x00'
self.app.expected_calls[
(vm, 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
def test_000_list(self):
self.setup_expected_calls_for_list()
with qubesadmin.tests.tools.StdoutBuffer() as stdout:
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(['ls'], app=self.app))
self.assertEqual(stdout.getvalue(),
'POOL:VOLUME VMNAME VOLUME_NAME '
'REVERT_POSSIBLE\n'
'other-pool:sys-net-private sys-net private Yes\n'
'other-pool:vm1-private vm1 private Yes\n'
'pool-file:sys-net-root sys-net root No\n'
'pool-file:vm1-root vm1 root No\n'
)
self.assertAllCalled()
def test_001_list_domain(self):
self.setup_expected_calls_for_list(vms=('vm1',))
with qubesadmin.tests.tools.StdoutBuffer() as stdout:
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(['ls', 'vm1'],
app=self.app))
self.assertEqual(stdout.getvalue(),
'POOL:VOLUME VMNAME VOLUME_NAME REVERT_POSSIBLE\n'
'other-pool:vm1-private vm1 private Yes\n'
'pool-file:vm1-root vm1 root No\n'
)
self.assertAllCalled()
def test_002_list_domain_pool(self):
self.setup_expected_calls_for_list(vms=('vm1',))
self.app.expected_calls[('dom0', 'admin.pool.List', None, None)] = \
b'0\x00pool-file\nother-pool\n'
del self.app.expected_calls[
('vm1', 'admin.vm.volume.ListSnapshots', 'private', None)]
with qubesadmin.tests.tools.StdoutBuffer() as stdout:
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['ls', '-p', 'pool-file', 'vm1'],
app=self.app))
self.assertEqual(stdout.getvalue(),
'POOL:VOLUME VMNAME VOLUME_NAME REVERT_POSSIBLE\n'
'pool-file:vm1-root vm1 root No\n'
)
self.assertAllCalled()
def test_003_list_pool(self):
self.setup_expected_calls_for_list()
self.app.expected_calls[('dom0', 'admin.pool.List', None, None)] = \
b'0\x00pool-file\nother-pool\n'
del self.app.expected_calls[
('vm1', 'admin.vm.volume.ListSnapshots', 'private', None)]
del self.app.expected_calls[
('sys-net', 'admin.vm.volume.ListSnapshots', 'private', None)]
with qubesadmin.tests.tools.StdoutBuffer() as stdout:
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['ls', '-p', 'pool-file'],
app=self.app))
self.assertEqual(stdout.getvalue(),
'POOL:VOLUME VMNAME VOLUME_NAME REVERT_POSSIBLE\n'
'pool-file:sys-net-root sys-net root No\n'
'pool-file:vm1-root vm1 root No\n'
)
self.assertAllCalled()
def test_004_list_multiple_domains(self):
self.setup_expected_calls_for_list(vms=('vm1', 'vm2'))
self.app.expected_calls[
('dom0', 'admin.vm.List', None, None)] = \
b'0\x00vm1 class=AppVM state=Running\n' \
b'vm2 class=AppVM state=Running\n' \
b'vm3 class=AppVM state=Running\n'
with qubesadmin.tests.tools.StdoutBuffer() as stdout:
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['ls', 'vm1', 'vm2'], app=self.app))
self.assertEqual(stdout.getvalue(),
'POOL:VOLUME VMNAME VOLUME_NAME REVERT_POSSIBLE\n'
'other-pool:vm1-private vm1 private Yes\n'
'other-pool:vm2-private vm2 private Yes\n'
'pool-file:vm1-root vm1 root No\n'
'pool-file:vm2-root vm2 root No\n'
)
self.assertAllCalled()
def test_005_list_default_action(self):
self.setup_expected_calls_for_list()
with qubesadmin.tests.tools.StdoutBuffer() as stdout:
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main([], app=self.app))
self.assertEqual(stdout.getvalue(),
'POOL:VOLUME VMNAME VOLUME_NAME '
'REVERT_POSSIBLE\n'
'other-pool:sys-net-private sys-net private Yes\n'
'other-pool:vm1-private vm1 private Yes\n'
'pool-file:sys-net-root sys-net root No\n'
'pool-file:vm1-root vm1 root No\n'
)
self.assertAllCalled()
def test_010_extend(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Info', 'private', None)] = \
b'0\x00pool=lvm\n' \
b'vid=qubes_dom0/vm-testvm-private\n' \
b'size=2147483648\n' \
b'usage=10000000\n' \
b'rw=True\n' \
b'source=\n' \
b'save_on_stop=True\n' \
b'snap_on_start=False\n' \
b'revisions_to_keep=3\n' \
b'is_outdated=False\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Resize', 'private', b'10737418240')] = \
b'0\x00'
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['extend', 'testvm:private', '10GiB'],
app=self.app))
self.assertAllCalled()
def test_011_extend_error(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Info', 'private', None)] = \
b'0\x00pool=lvm\n' \
b'vid=qubes_dom0/vm-testvm-private\n' \
b'size=2147483648\n' \
b'usage=10000000\n' \
b'rw=True\n' \
b'source=\n' \
b'save_on_stop=True\n' \
b'snap_on_start=False\n' \
b'revisions_to_keep=3\n' \
b'is_outdated=False\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Resize', 'private', b'10737418240')] = \
b'2\x00StoragePoolException\x00\x00Failed to resize volume: ' \
b'error: success\x00'
with qubesadmin.tests.tools.StderrBuffer() as stderr:
self.assertEqual(1,
qubesadmin.tools.qvm_volume.main(
['extend', 'testvm:private', '10GiB'],
app=self.app))
self.assertIn('error: success', stderr.getvalue())
self.assertAllCalled()
def test_012_extend_deny_shrink(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Info', 'private', None)] = \
b'0\x00pool=lvm\n' \
b'vid=qubes_dom0/vm-testvm-private\n' \
b'size=2147483648\n' \
b'usage=10000000\n' \
b'rw=True\n' \
b'source=\n' \
b'save_on_stop=True\n' \
b'snap_on_start=False\n' \
b'revisions_to_keep=3\n' \
b'is_outdated=False\n'
with qubesadmin.tests.tools.StderrBuffer() as stderr:
self.assertEqual(1,
qubesadmin.tools.qvm_volume.main(
['resize', 'testvm:private', '1GiB'],
app=self.app))
self.assertIn('shrinking of private is disabled', stderr.getvalue())
self.assertAllCalled()
def test_013_resize_force_shrink(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Resize', 'private', b'1073741824')] = \
b'0\x00'
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['resize', '-f', 'testvm:private', '1GiB'],
app=self.app))
self.assertAllCalled()
def test_020_revert(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.ListSnapshots', 'private', None)] = \
b'0\x00200101010000\n200201010000\n200301010000\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Revert', 'private', b'200301010000')] = \
b'0\x00'
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['revert', 'testvm:private'],
app=self.app))
self.assertAllCalled()
def test_021_revert_error(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.ListSnapshots', 'private', None)] = \
b'0\x00200101010000\n200201010000\n200301010000\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Revert', 'private', b'200301010000')] = \
b'2\x00StoragePoolException\x00\x00Failed to revert volume: ' \
b'some error\x00'
with qubesadmin.tests.tools.StderrBuffer() as stderr:
self.assertEqual(1,
qubesadmin.tools.qvm_volume.main(
['revert', 'testvm:private'],
app=self.app))
self.assertIn('some error', stderr.getvalue())
self.assertAllCalled()
def test_022_revert_no_snapshots(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.ListSnapshots', 'private', None)] = \
b'0\x00'
with qubesadmin.tests.tools.StderrBuffer() as stderr:
self.assertEqual(1,
qubesadmin.tools.qvm_volume.main(
['revert', 'testvm:private'],
app=self.app))
self.assertIn('No snapshots', stderr.getvalue())
self.assertAllCalled()
def test_023_revert_specific(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Revert', 'private', b'20050101')] = \
b'0\x00'
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['revert', 'testvm:private', '20050101'],
app=self.app))
self.assertAllCalled()
def test_030_set_revisions_to_keep(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Set.revisions_to_keep', 'private',
b'3')] = b'0\x00'
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['set', 'testvm:private', 'revisions_to_keep', '3'],
app=self.app))
self.assertAllCalled()
def test_031_set_rw(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Set.rw', 'private',
b'True')] = b'0\x00'
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['set', 'testvm:private', 'rw', 'True'],
app=self.app))
self.assertAllCalled()
def test_032_set_invalid(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.assertNotEqual(0,
qubesadmin.tools.qvm_volume.main(
['set', 'testvm:private', 'invalid', 'True'],
app=self.app))
self.assertAllCalled()
def test_040_info(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Info', 'private', None)] = \
b'0\x00pool=lvm\n' \
b'vid=qubes_dom0/vm-testvm-private\n' \
b'size=2147483648\n' \
b'usage=10000000\n' \
b'rw=True\n' \
b'source=\n' \
b'save_on_stop=True\n' \
b'snap_on_start=False\n' \
b'revisions_to_keep=3\n' \
b'is_outdated=False\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.ListSnapshots', 'private', None)] = \
b'0\x00200101010000\n200201010000\n200301010000\n'
with qubesadmin.tests.tools.StdoutBuffer() as stdout:
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(['info', 'testvm:private'],
app=self.app))
output = stdout.getvalue()
# travis...
output = output.replace('\nsource\n', '\nsource \n')
self.assertEqual(output,
'pool lvm\n'
'vid qubes_dom0/vm-testvm-private\n'
'rw True\n'
'source \n'
'save_on_stop True\n'
'snap_on_start False\n'
'size 2147483648\n'
'usage 10000000\n'
'revisions_to_keep 3\n'
'is_outdated False\n'
'Available revisions (for revert):\n'
' 200101010000\n'
' 200201010000\n'
' 200301010000\n')
self.assertAllCalled()
def test_041_info_no_revisions(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Info', 'root', None)] = \
b'0\x00pool=lvm\n' \
b'vid=qubes_dom0/vm-testvm-root\n' \
b'size=2147483648\n' \
b'usage=10000000\n' \
b'rw=True\n' \
b'source=qubes_dom0/vm-fedora-26-root\n' \
b'save_on_stop=False\n' \
b'snap_on_start=True\n' \
b'revisions_to_keep=0\n' \
b'is_outdated=False\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.ListSnapshots', 'root', None)] = \
b'0\x00'
with qubesadmin.tests.tools.StdoutBuffer() as stdout:
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(['info', 'testvm:root'],
app=self.app))
self.assertEqual(stdout.getvalue(),
'pool lvm\n'
'vid qubes_dom0/vm-testvm-root\n'
'rw True\n'
'source qubes_dom0/vm-fedora-26-root\n'
'save_on_stop False\n'
'snap_on_start True\n'
'size 2147483648\n'
'usage 10000000\n'
'revisions_to_keep 0\n'
'is_outdated False\n'
'Available revisions (for revert): none\n')
self.assertAllCalled()
def test_042_info_single_prop(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Info', 'root', None)] = \
b'0\x00pool=lvm\n' \
b'vid=qubes_dom0/vm-testvm-root\n' \
b'size=2147483648\n' \
b'usage=10000000\n' \
b'rw=True\n' \
b'source=qubes_dom0/vm-fedora-26-root\n' \
b'save_on_stop=False\n' \
b'snap_on_start=True\n' \
b'revisions_to_keep=0\n' \
b'is_outdated=False\n'
with qubesadmin.tests.tools.StdoutBuffer() as stdout:
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['info', 'testvm:root', 'usage'],
app=self.app))
self.assertEqual(stdout.getvalue(), '10000000\n')
self.assertAllCalled()
def test_043_info_revisions_only(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.ListSnapshots', 'private', None)] = \
b'0\x00200101010000\n200201010000\n200301010000\n'
with qubesadmin.tests.tools.StdoutBuffer() as stdout:
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['info', 'testvm:private', 'revisions'],
app=self.app))
self.assertEqual(stdout.getvalue(),
'200101010000\n'
'200201010000\n'
'200301010000\n')
self.assertAllCalled()
def test_050_import_file(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.ImportWithSize', 'private', b'9\ntest-data')] = \
b'0\x00'
with tempfile.NamedTemporaryFile() as input_file:
input_file.write(b'test-data')
input_file.seek(0)
input_file.flush()
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['import', 'testvm:private', input_file.name],
app=self.app))
self.assertAllCalled()
def test_051_import_stdin(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.ImportWithSize', 'private', b'9\ntest-data')] = \
b'0\x00'
with tempfile.NamedTemporaryFile() as input_file:
input_file.write(b'test-data')
input_file.seek(0)
with unittest.mock.patch('sys.stdin') as mock_stdin:
mock_stdin.buffer = input_file
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['import', 'testvm:private', '-'],
app=self.app))
self.assertAllCalled()
def test_052_import_file_size(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.ImportWithSize', 'private', b'512\ntest-data')] = \
b'0\x00'
with tempfile.NamedTemporaryFile() as input_file:
input_file.write(b'test-data')
input_file.seek(0)
input_file.flush()
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['import', '--size=512', 'testvm:private', input_file.name],
app=self.app))
self.assertAllCalled()
def test_053_import_file_noresize(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.Import', 'private', b'test-data')] = \
b'0\x00'
with tempfile.NamedTemporaryFile() as input_file:
input_file.write(b'test-data')
input_file.seek(0)
input_file.flush()
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['import', '--no-resize', 'testvm:private', input_file.name],
app=self.app))
self.assertAllCalled()
def test_053_import_file_matching_size(self):
self.app.expected_calls[('dom0', 'admin.vm.List', None, None)] = \
b'0\x00testvm class=AppVM state=Running\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.List', None, None)] = \
b'0\x00root\nprivate\n'
self.app.expected_calls[
('testvm', 'admin.vm.volume.ImportWithSize', 'private', b'9\ntest-data')] = \
b'0\x00'
with tempfile.NamedTemporaryFile() as input_file:
input_file.write(b'test-data')
input_file.seek(0)
input_file.flush()
self.assertEqual(0,
qubesadmin.tools.qvm_volume.main(
['import', 'testvm:private', input_file.name],
app=self.app))
self.assertAllCalled()
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