def process_install_requests_bootstrap(self,
root_bind: RootBind = None
) -> command_call_type:
"""
Process package install requests for bootstrap phase (no chroot)
The debootstrap program is used to bootstrap a new system with
a collection of predefined packages. The kiwi bootstrap section
information is not used in this case
:param object root_bind: instance of RootBind to manage kernel
file systems before debootstrap call
:raises KiwiDebootstrapError: if no main distribution repository
is configured, if the debootstrap script is not found or if the
debootstrap script execution fails
:return: process results in command type
:rtype: namedtuple
"""
if not self.distribution:
raise KiwiDebootstrapError(
'No main distribution repository is configured')
bootstrap_script = '/usr/share/debootstrap/scripts/' + \
self.distribution
if not os.path.exists(bootstrap_script):
raise KiwiDebootstrapError(
'debootstrap script for %s distribution not found' %
self.distribution)
# APT package manager does not support bootstrapping. To circumvent
# this limitation there is the debootstrap tool for APT based distros.
# Because of that there is a little overlap between KIWI and
# debootstrap. Debootstrap manages itself the kernel file systems for
# chroot environment, thus we need to umount the kernel file systems
# before calling debootstrap and remount them afterwards.
if root_bind:
root_bind.umount_kernel_file_systems()
# debootsrap will create its own dev/fd devices
debootstrap_device_node_conflicts = ['dev/fd', 'dev/pts']
for node in debootstrap_device_node_conflicts:
Path.wipe(os.path.normpath(os.sep.join([self.root_dir, node])))
if 'apt' in self.package_requests:
# debootstrap takes care to install apt
self.package_requests.remove('apt')
try:
cmd = ['debootstrap']
if self.repository.unauthenticated == 'false' and \
os.path.exists(self.repository.keyring):
cmd.append('--keyring={}'.format(self.repository.keyring))
else:
cmd.append('--no-check-gpg')
if self.deboostrap_minbase:
cmd.append('--variant=minbase')
if self.package_requests:
cmd.append('--include={}'.format(','.join(
self.package_requests)))
if self.repository.components:
cmd.append('--components={0}'.format(','.join(
self.repository.components)))
self.cleanup_requests()
cmd.extend(
[self.distribution, self.root_dir, self.distribution_path])
return Command.call(cmd, self.command_env)
except Exception as e:
raise KiwiDebootstrapError('%s: %s' %
(type(e).__name__, format(e)))
class TestRootBind:
@fixture(autouse=True)
def inject_fixtures(self, caplog):
self._caplog = caplog
def setup(self):
root = Mock()
root.root_dir = 'root-dir'
self.bind_root = RootBind(root)
# stub config files and bind locations
self.bind_root.config_files = ['/etc/sysconfig/proxy']
self.bind_root.bind_locations = ['/proc']
# stub files/dirs and mountpoints to cleanup
self.mount_manager = Mock()
self.bind_root.cleanup_files = ['/etc/sysconfig/proxy.kiwi']
self.bind_root.mount_stack = [self.mount_manager]
self.bind_root.dir_stack = ['/mountpoint']
def teardown(self):
sys.argv = argv_kiwi_tests
@patch('kiwi.system.root_bind.MountManager.bind_mount')
@patch('kiwi.system.root_bind.RootBind.cleanup')
@patch('os.path.exists')
def test_kernel_file_systems_raises_error(self, mock_exists, mock_cleanup,
mock_mount):
mock_exists.return_value = True
mock_mount.side_effect = KiwiMountKernelFileSystemsError('mount-error')
with raises(KiwiMountKernelFileSystemsError):
self.bind_root.mount_kernel_file_systems()
mock_cleanup.assert_called_once_with()
@patch('kiwi.system.root_bind.MountManager.bind_mount')
@patch('kiwi.system.root_bind.Path.create')
@patch('kiwi.system.root_bind.RootBind.cleanup')
def test_shared_directory_raises_error(self, mock_cleanup, mock_path,
mock_mount):
mock_mount.side_effect = KiwiMountSharedDirectoryError('mount-error')
with raises(KiwiMountSharedDirectoryError):
self.bind_root.mount_shared_directory()
mock_cleanup.assert_called_once_with()
@patch('kiwi.command.Command.run')
@patch('kiwi.system.root_bind.RootBind.cleanup')
@patch('os.path.exists')
def test_intermediate_config_raises_error(self, mock_exists, mock_cleanup,
mock_command):
mock_exists.return_value = True
mock_command.side_effect = KiwiSetupIntermediateConfigError(
'config-error')
with raises(KiwiSetupIntermediateConfigError):
self.bind_root.setup_intermediate_config()
mock_cleanup.assert_called_once_with()
@patch('kiwi.system.root_bind.os.path.exists')
@patch('kiwi.system.root_bind.MountManager')
def test_mount_kernel_file_systems(self, mock_mount, mock_exists):
mock_exists.return_value = True
shared_mount = Mock()
mock_mount.return_value = shared_mount
self.bind_root.mount_kernel_file_systems()
mock_mount.assert_called_once_with(device='/proc',
mountpoint='root-dir/proc')
shared_mount.bind_mount.assert_called_once_with()
@patch('kiwi.system.root_bind.MountManager')
def test_umount_kernel_file_systems(self, mock_mount):
self.mount_manager.device = '/proc'
self.mount_manager.is_mounted = Mock(return_value=True)
self.bind_root.umount_kernel_file_systems()
self.mount_manager.umount_lazy.assert_called_once_with()
assert self.bind_root.mount_stack == []
@patch('kiwi.system.root_bind.MountManager')
def test_umount_kernel_file_systems_raises_error(self, mock_mount):
self.mount_manager.device = '/proc'
self.mount_manager.is_mounted = Mock(return_value=True)
self.mount_manager.umount_lazy = Mock(side_effect=Exception)
self.bind_root.umount_kernel_file_systems()
self.mount_manager.umount_lazy.assert_called_once_with()
assert self.bind_root.mount_stack == [self.mount_manager]
@patch('kiwi.system.root_bind.MountManager')
@patch('kiwi.system.root_bind.Path.create')
def test_mount_shared_directory(self, mock_path, mock_mount):
shared_mount = Mock()
mock_mount.return_value = shared_mount
self.bind_root.mount_shared_directory()
mock_path.call_args_list = [
call('root-dir/var/cache/kiwi'),
call('/var/cache/kiwi')
]
mock_mount.assert_called_once_with(
device='/var/cache/kiwi', mountpoint='root-dir/var/cache/kiwi')
shared_mount.bind_mount.assert_called_once_with()
@patch('kiwi.command.Command.run')
@patch('kiwi.system.root_bind.Checksum')
@patch('os.path.exists')
def test_intermediate_config(self, mock_exists, mock_Checksum,
mock_command):
checksum = Mock()
mock_Checksum.return_value = checksum
mock_exists.return_value = True
with patch('builtins.open') as m_open:
self.bind_root.setup_intermediate_config()
m_open.assert_called_once_with('root-dir/etc/sysconfig/proxy.sha',
'w')
assert mock_command.call_args_list == [
call([
'cp', '/etc/sysconfig/proxy',
'root-dir/etc/sysconfig/proxy.kiwi'
]),
call([
'ln', '-s', '-f', 'proxy.kiwi', 'root-dir/etc/sysconfig/proxy'
])
]
checksum.sha256.assert_called_once_with()
@patch('kiwi.system.root_bind.Checksum')
@patch('kiwi.system.root_bind.MountManager.is_mounted')
@patch('kiwi.system.root_bind.Command.run')
@patch('kiwi.system.root_bind.Path.remove_hierarchy')
@patch('os.path.islink')
@patch('os.path.exists')
@patch('shutil.move')
def test_cleanup(self, mock_move, mock_exists, mock_islink,
mock_remove_hierarchy, mock_command, mock_is_mounted,
mock_Checksum):
checksum = Mock()
checksum.matches.return_value = False
mock_Checksum.return_value = checksum
os_exists_return_values = [False, True, True, False]
def exists_side_effect(*args):
return os_exists_return_values.pop()
mock_is_mounted.return_value = False
mock_exists.side_effect = exists_side_effect
mock_islink.return_value = True
with self._caplog.at_level(logging.WARNING):
self.bind_root.cleanup()
self.mount_manager.umount_lazy.assert_called_once_with()
mock_remove_hierarchy.assert_called_once_with(root='root-dir',
path='/mountpoint')
assert mock_command.call_args_list == [
call(['rm', '-f', 'root-dir/etc/sysconfig/proxy']),
call([
'cp',
'root-dir/usr/share/fillup-templates/sysconfig.proxy',
'root-dir/etc/sysconfig/proxy'
]),
call([
'rm', '-f', 'root-dir/etc/sysconfig/proxy.kiwi',
'root-dir/etc/sysconfig/proxy.sha'
])
]
mock_move.assert_called_once_with(
'root-dir/etc/sysconfig/proxy.rpmnew',
'root-dir/etc/sysconfig/proxy')
@patch('os.path.islink')
@patch('kiwi.command.Command.run')
@patch('kiwi.system.root_bind.Path.remove_hierarchy')
@patch('kiwi.system.root_bind.Checksum')
def test_cleanup_continue_on_error(self, mock_Checksum,
mock_remove_hierarchy, mock_command,
mock_islink):
mock_islink.return_value = True
mock_remove_hierarchy.side_effect = Exception('rm')
mock_command.side_effect = Exception
self.mount_manager.umount_lazy.side_effect = Exception
with self._caplog.at_level(logging.WARNING):
self.bind_root.cleanup()
assert 'Image root directory root-dir not cleanly umounted:' in \
self._caplog.text
assert 'Failed to remove directory hierarchy '
'root-dir/mountpoint: rm' in self._caplog.text
assert 'Failed to cleanup intermediate config files' in \
self._caplog.text
@patch('kiwi.command.Command.run')
@patch('kiwi.system.root_bind.Path.remove_hierarchy')
@patch('kiwi.system.root_bind.Checksum')
def test_cleanup_nothing_mounted(self, mock_Checksum,
mock_remove_hierarchy, mock_command):
self.mount_manager.is_mounted.return_value = False
self.mount_manager.mountpoint = '/mountpoint'
with self._caplog.at_level(logging.WARNING):
self.bind_root.cleanup()
assert 'Path /mountpoint not a mountpoint' in self._caplog.text
