anaconda/anaconda-40.22.3.13/pyanaconda/payload/migrated.py
2024-11-14 21:39:56 -08:00

119 lines
4.1 KiB
Python

#
# Copyright (C) 2021 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details. You should have received a copy of the
# GNU General Public License along with this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#
from abc import ABCMeta, abstractmethod
from blivet.size import Size
from pyanaconda.anaconda_loggers import get_module_logger
from pyanaconda.modules.common.constants.services import PAYLOADS
from pyanaconda.modules.common.task import sync_run_task
from pyanaconda.payload.base import Payload
from pyanaconda.ui.lib.payload import get_payload, get_source, set_up_sources
log = get_module_logger(__name__)
__all__ = ["MigratedDBusPayload", "ActiveDBusPayload"]
class MigratedDBusPayload(Payload, metaclass=ABCMeta):
"""An abstract class for payloads that migrated on DBus."""
def __init__(self):
super().__init__()
self._payload_proxy = self._create_payload_proxy()
def _create_payload_proxy(self):
"""Create a DBus proxy of the requested payload."""
return get_payload(self.type)
@property
@abstractmethod
def type(self):
"""The DBus type of the payload."""
return None
def get_source_proxy(self):
"""Get a DBus proxy of the current source."""
return get_source(self.proxy)
@property
def source_type(self):
"""A DBus type of the current source."""
source_proxy = self.get_source_proxy()
return source_proxy.Type
@property
def kernel_version_list(self):
"""Get the kernel version list."""
return self.service_proxy.GetKernelVersionList()
@property
def space_required(self):
"""Get the required space."""
return Size(self.service_proxy.CalculateRequiredSpace())
@property
def needs_network(self):
"""Do the sources require a network?"""
return self.service_proxy.IsNetworkRequired()
def setup(self, *args, **kwargs):
"""Set up the sources."""
set_up_sources(self.proxy)
def pre_install(self):
"""Run the pre-installation tasks."""
log.debug("Nothing to do in the pre-install step.")
def install(self):
"""Run the installation tasks."""
task_paths = self.service_proxy.InstallWithTasks()
self._run_tasks(task_paths, self._progress_cb)
def post_install(self):
"""Run the post-installation tasks."""
task_paths = self.service_proxy.PostInstallWithTasks()
self._run_tasks(task_paths)
def unsetup(self):
"""Tear down the sources and the payload."""
task_paths = self.service_proxy.TeardownWithTasks()
self._run_tasks(task_paths)
def _run_tasks(self, task_paths, progress_cb=None):
"""Run the given remote tasks of the Payload module."""
for task_path in task_paths:
task_proxy = PAYLOADS.get_proxy(task_path)
if progress_cb:
task_proxy.ProgressChanged.connect(progress_cb)
sync_run_task(task_proxy)
class ActiveDBusPayload(MigratedDBusPayload):
"""Payload class for the active DBus payload."""
def _create_payload_proxy(self):
"""Create a DBus proxy of the active payload."""
object_path = self.service_proxy.ActivePayload
return PAYLOADS.get_proxy(object_path)
@property
def type(self):
"""Get a type of the active payload."""
return self._payload_proxy.Type