# Copyright 2015 Red Hat, Inc.
# All Rights Reserved.
#
# 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 mock
import os
import shutil
import tempfile
from oslo_concurrency import processutils
from oslotest import base as test_base
from ironic_python_agent import errors
from ironic_python_agent.extensions import image
from ironic_python_agent.extensions import iscsi
from ironic_python_agent import hardware
from ironic_python_agent import utils
@mock.patch.object(hardware, 'dispatch_to_managers')
@mock.patch.object(utils, 'execute')
@mock.patch.object(tempfile, 'mkdtemp', lambda *_: '/tmp/fake-dir')
@mock.patch.object(shutil, 'rmtree', lambda *_: None)
[docs]class TestImageExtension(test_base.BaseTestCase):
[docs] def setUp(self):
super(TestImageExtension, self).setUp()
self.agent_extension = image.ImageExtension()
self.fake_dev = '/dev/fake'
self.fake_efi_system_part = '/dev/fake1'
self.fake_root_part = '/dev/fake2'
self.fake_root_uuid = '11111111-2222-3333-4444-555555555555'
self.fake_efi_system_part_uuid = '45AB-2312'
self.fake_dir = '/tmp/fake-dir'
@mock.patch.object(iscsi, 'clean_up')
@mock.patch.object(image, '_install_grub2')
[docs] def test_install_bootloader_bios(self, mock_grub2, mock_iscsi_clean,
mock_execute, mock_dispatch):
mock_dispatch.return_value = self.fake_dev
self.agent_extension.install_bootloader(root_uuid=self.fake_root_uuid)
mock_dispatch.assert_called_once_with('get_os_install_device')
mock_grub2.assert_called_once_with(
self.fake_dev, root_uuid=self.fake_root_uuid,
efi_system_part_uuid=None)
mock_iscsi_clean.assert_called_once_with(self.fake_dev)
@mock.patch.object(iscsi, 'clean_up')
@mock.patch.object(image, '_install_grub2')
[docs] def test_install_bootloader_uefi(self, mock_grub2, mock_iscsi_clean,
mock_execute, mock_dispatch):
mock_dispatch.return_value = self.fake_dev
self.agent_extension.install_bootloader(
root_uuid=self.fake_root_uuid,
efi_system_part_uuid=self.fake_efi_system_part_uuid)
mock_dispatch.assert_called_once_with('get_os_install_device')
mock_grub2.assert_called_once_with(
self.fake_dev,
root_uuid=self.fake_root_uuid,
efi_system_part_uuid=self.fake_efi_system_part_uuid)
mock_iscsi_clean.assert_called_once_with(self.fake_dev)
@mock.patch.object(os, 'environ')
@mock.patch.object(image, '_get_partition')
[docs] def test__install_grub2(self, mock_get_part_uuid, environ_mock,
mock_execute, mock_dispatch):
mock_get_part_uuid.return_value = self.fake_root_part
environ_mock.get.return_value = '/sbin'
image._install_grub2(self.fake_dev, self.fake_root_uuid)
expected = [mock.call('mount', '/dev/fake2', self.fake_dir),
mock.call('mount', '-o', 'bind', '/dev',
self.fake_dir + '/dev'),
mock.call('mount', '-o', 'bind', '/proc',
self.fake_dir + '/proc'),
mock.call('mount', '-t', 'sysfs', 'none',
self.fake_dir + '/sys'),
mock.call(('chroot %s /bin/sh -c '
'"grub-install %s"' %
(self.fake_dir, self.fake_dev)), shell=True,
env_variables={'PATH': '/sbin:/bin:/usr/sbin'}),
mock.call(('chroot %s /bin/sh -c '
'"grub-mkconfig -o '
'/boot/grub/grub.cfg"' % self.fake_dir),
shell=True,
env_variables={'PATH': '/sbin:/bin:/usr/sbin'}),
mock.call('umount', self.fake_dir + '/dev',
attempts=3, delay_on_retry=True),
mock.call('umount', self.fake_dir + '/proc',
attempts=3, delay_on_retry=True),
mock.call('umount', self.fake_dir + '/sys',
attempts=3, delay_on_retry=True),
mock.call('umount', self.fake_dir, attempts=3,
delay_on_retry=True)]
mock_execute.assert_has_calls(expected)
mock_get_part_uuid.assert_called_once_with(self.fake_dev,
uuid=self.fake_root_uuid)
self.assertFalse(mock_dispatch.called)
@mock.patch.object(os, 'environ')
@mock.patch.object(os, 'makedirs')
@mock.patch.object(image, '_get_partition')
[docs] def test__install_grub2_uefi(self, mock_get_part_uuid, mkdir_mock,
environ_mock, mock_execute,
mock_dispatch):
mock_get_part_uuid.side_effect = [self.fake_root_part,
self.fake_efi_system_part]
environ_mock.get.return_value = '/sbin'
image._install_grub2(
self.fake_dev, root_uuid=self.fake_root_uuid,
efi_system_part_uuid=self.fake_efi_system_part_uuid)
expected = [mock.call('mount', '/dev/fake2', self.fake_dir),
mock.call('mount', '-o', 'bind', '/dev',
self.fake_dir + '/dev'),
mock.call('mount', '-o', 'bind', '/proc',
self.fake_dir + '/proc'),
mock.call('mount', '-t', 'sysfs', 'none',
self.fake_dir + '/sys'),
mock.call('mount', self.fake_efi_system_part,
self.fake_dir + '/boot/efi'),
mock.call(('chroot %s /bin/sh -c '
'"grub-install %s"' %
(self.fake_dir, self.fake_dev)), shell=True,
env_variables={'PATH': '/sbin:/bin:/usr/sbin'}),
mock.call(('chroot %s /bin/sh -c '
'"grub-install %s --removable"' %
(self.fake_dir, self.fake_dev)), shell=True,
env_variables={'PATH': '/sbin:/bin:/usr/sbin'}),
mock.call(('chroot %s /bin/sh -c '
'"grub-mkconfig -o '
'/boot/grub/grub.cfg"' % self.fake_dir),
shell=True,
env_variables={'PATH': '/sbin:/bin:/usr/sbin'}),
mock.call('umount', self.fake_dir + '/boot/efi',
attempts=3, delay_on_retry=True),
mock.call('umount', self.fake_dir + '/dev',
attempts=3, delay_on_retry=True),
mock.call('umount', self.fake_dir + '/proc',
attempts=3, delay_on_retry=True),
mock.call('umount', self.fake_dir + '/sys',
attempts=3, delay_on_retry=True),
mock.call('umount', self.fake_dir, attempts=3,
delay_on_retry=True)]
mkdir_mock.assert_called_once_with(self.fake_dir + '/boot/efi')
mock_execute.assert_has_calls(expected)
mock_get_part_uuid.assert_any_call(self.fake_dev,
uuid=self.fake_root_uuid)
mock_get_part_uuid.assert_any_call(self.fake_dev,
uuid=self.fake_efi_system_part_uuid)
self.assertFalse(mock_dispatch.called)
@mock.patch.object(os, 'environ')
@mock.patch.object(os, 'makedirs')
@mock.patch.object(image, '_get_partition')
[docs] def test__install_grub2_uefi_umount_fails(
self, mock_get_part_uuid, mkdir_mock, environ_mock, mock_execute,
mock_dispatch):
mock_get_part_uuid.side_effect = [self.fake_root_part,
self.fake_efi_system_part]
def umount_raise_func(*args, **kwargs):
if args[0] == 'umount':
raise processutils.ProcessExecutionError('error')
mock_execute.side_effect = umount_raise_func
environ_mock.get.return_value = '/sbin'
self.assertRaises(errors.CommandExecutionError,
image._install_grub2,
self.fake_dev, root_uuid=self.fake_root_uuid,
efi_system_part_uuid=self.fake_efi_system_part_uuid)
expected = [mock.call('mount', '/dev/fake2', self.fake_dir),
mock.call('mount', '-o', 'bind', '/dev',
self.fake_dir + '/dev'),
mock.call('mount', '-o', 'bind', '/proc',
self.fake_dir + '/proc'),
mock.call('mount', '-t', 'sysfs', 'none',
self.fake_dir + '/sys'),
mock.call('mount', self.fake_efi_system_part,
self.fake_dir + '/boot/efi'),
mock.call(('chroot %s /bin/sh -c '
'"grub-install %s"' %
(self.fake_dir, self.fake_dev)), shell=True,
env_variables={'PATH': '/sbin:/bin:/usr/sbin'}),
mock.call(('chroot %s /bin/sh -c '
'"grub-install %s --removable"' %
(self.fake_dir, self.fake_dev)), shell=True,
env_variables={'PATH': '/sbin:/bin:/usr/sbin'}),
mock.call(('chroot %s /bin/sh -c '
'"grub-mkconfig -o '
'/boot/grub/grub.cfg"' % self.fake_dir),
shell=True,
env_variables={'PATH': '/sbin:/bin:/usr/sbin'}),
mock.call('umount', self.fake_dir + '/boot/efi',
attempts=3, delay_on_retry=True)]
mock_execute.assert_has_calls(expected)
@mock.patch.object(image, '_get_partition')
[docs] def test__install_grub2_command_fail(self, mock_get_part_uuid,
mock_execute,
mock_dispatch):
mock_get_part_uuid.return_value = self.fake_root_part
mock_execute.side_effect = processutils.ProcessExecutionError('boom')
self.assertRaises(errors.CommandExecutionError, image._install_grub2,
self.fake_dev, self.fake_root_uuid)
mock_get_part_uuid.assert_called_once_with(self.fake_dev,
uuid=self.fake_root_uuid)
self.assertFalse(mock_dispatch.called)
[docs] def test__get_partition(self, mock_execute, mock_dispatch):
lsblk_output = ('''KNAME="test" UUID="" TYPE="disk"
KNAME="test1" UUID="256a39e3-ca3c-4fb8-9cc2-b32eec441f47" TYPE="part"
KNAME="test2" UUID="%s" TYPE="part"''' % self.fake_root_uuid)
mock_execute.side_effect = (None, None, [lsblk_output])
root_part = image._get_partition(self.fake_dev, self.fake_root_uuid)
self.assertEqual('/dev/test2', root_part)
expected = [mock.call('partx', '-u', self.fake_dev, attempts=3,
delay_on_retry=True),
mock.call('udevadm', 'settle'),
mock.call('lsblk', '-PbioKNAME,UUID,TYPE', self.fake_dev)]
mock_execute.assert_has_calls(expected)
self.assertFalse(mock_dispatch.called)
[docs] def test__get_partition_no_device_found(self, mock_execute,
mock_dispatch):
lsblk_output = ('''KNAME="test" UUID="" TYPE="disk"
KNAME="test1" UUID="256a39e3-ca3c-4fb8-9cc2-b32eec441f47" TYPE="part"
KNAME="test2" UUID="" TYPE="part"''')
mock_execute.side_effect = (None, None, [lsblk_output])
self.assertRaises(errors.DeviceNotFound,
image._get_partition, self.fake_dev,
self.fake_root_uuid)
expected = [mock.call('partx', '-u', self.fake_dev, attempts=3,
delay_on_retry=True),
mock.call('udevadm', 'settle'),
mock.call('lsblk', '-PbioKNAME,UUID,TYPE', self.fake_dev)]
mock_execute.assert_has_calls(expected)
self.assertFalse(mock_dispatch.called)
[docs] def test__get_partition_command_fail(self, mock_execute,
mock_dispatch):
mock_execute.side_effect = (None, None,
processutils.ProcessExecutionError('boom'))
self.assertRaises(errors.CommandExecutionError,
image._get_partition, self.fake_dev,
self.fake_root_uuid)
expected = [mock.call('partx', '-u', self.fake_dev, attempts=3,
delay_on_retry=True),
mock.call('udevadm', 'settle'),
mock.call('lsblk', '-PbioKNAME,UUID,TYPE', self.fake_dev)]
mock_execute.assert_has_calls(expected)
self.assertFalse(mock_dispatch.called)