207 lines
6.8 KiB
Python
207 lines
6.8 KiB
Python
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#
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# Kickstart module for packaging.
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#
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# Copyright (C) 2018 Red Hat, Inc.
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#
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# This copyrighted material is made available to anyone wishing to use,
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# modify, copy, or redistribute it subject to the terms and conditions of
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# the GNU General Public License v.2, or (at your option) any later version.
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY expressed or implied, including the implied warranties of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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# Public License for more details. You should have received a copy of the
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# GNU General Public License along with this program; if not, write to the
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# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
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# source code or documentation are not subject to the GNU General Public
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# License and may only be used or replicated with the express permission of
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# Red Hat, Inc.
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#
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from pyanaconda.anaconda_loggers import get_module_logger
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from pyanaconda.core.configuration.anaconda import conf
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from pyanaconda.core.dbus import DBus
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from pyanaconda.core.signal import Signal
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from pyanaconda.modules.common.base import KickstartService
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from pyanaconda.modules.common.constants.services import PAYLOADS
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from pyanaconda.modules.common.containers import TaskContainer
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from pyanaconda.modules.payloads.installation import PrepareSystemForInstallationTask, \
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CopyDriverDisksFilesTask
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from pyanaconda.modules.payloads.kickstart import PayloadKickstartSpecification
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from pyanaconda.modules.payloads.payload.factory import PayloadFactory
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from pyanaconda.modules.payloads.payloads_interface import PayloadsInterface
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from pyanaconda.modules.payloads.source.factory import SourceFactory
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log = get_module_logger(__name__)
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__all__ = ["PayloadsService"]
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class PayloadsService(KickstartService):
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"""The Payload service."""
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def __init__(self):
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super().__init__()
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self._created_payloads = []
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self.created_payloads_changed = Signal()
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self._active_payload = None
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self.active_payload_changed = Signal()
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def publish(self):
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"""Publish the module."""
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TaskContainer.set_namespace(PAYLOADS.namespace)
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DBus.publish_object(PAYLOADS.object_path, PayloadsInterface(self))
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DBus.register_service(PAYLOADS.service_name)
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@property
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def kickstart_specification(self):
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"""Return the kickstart specification."""
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return PayloadKickstartSpecification
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@property
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def created_payloads(self):
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"""List of all created payload modules."""
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return self._created_payloads
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def _add_created_payload(self, module):
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"""Add a created payload module."""
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self._created_payloads.append(module)
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self.created_payloads_changed.emit(module)
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log.debug("Created the payload %s.", module.type)
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@property
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def active_payload(self):
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"""The active payload.
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Payloads are handling the installation process.
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FIXME: Replace this solution by something extensible for multiple payload support.
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Could it be SetPayloads() and using this list to set order of payload installation?
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There are a few types of payloads e.g.: DNF, LiveImage...
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:return: a payload module or None
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"""
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return self._active_payload
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def activate_payload(self, payload):
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"""Activate the payload."""
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self._active_payload = payload
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self.active_payload_changed.emit()
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log.debug("Activated the payload %s.", payload.type)
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def process_kickstart(self, data):
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"""Process the kickstart data."""
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# Create a new payload module.
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payload_type = PayloadFactory.get_type_for_kickstart(data)
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if payload_type:
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payload_module = self.create_payload(payload_type)
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payload_module.process_kickstart(data)
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self.activate_payload(payload_module)
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def setup_kickstart(self, data):
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"""Set up the kickstart data."""
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if self.active_payload:
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self.active_payload.setup_kickstart(data)
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def create_payload(self, payload_type):
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"""Create payload based on the passed type.
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:param payload_type: type of the desirable payload
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:type payload_type: value of the payload.base.constants.PayloadType enum
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"""
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payload = PayloadFactory.create_payload(payload_type)
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self._add_created_payload(payload)
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return payload
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def create_source(self, source_type):
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"""Create source based on the passed type.
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:param source_type: type of the desirable source
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:type source_type: value of the payload.base.constants.SourceType enum
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"""
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return SourceFactory.create_source(source_type)
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def is_network_required(self):
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"""Do the sources require a network?
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:return: True or False
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"""
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return bool(self.active_payload) and self.active_payload.is_network_required()
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def calculate_required_space(self):
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"""Calculate space required for the installation.
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:return: required size in bytes
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:rtype: int
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"""
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total = 0
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if self.active_payload:
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total += self.active_payload.calculate_required_space()
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return total
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def get_kernel_version_list(self):
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"""Get the kernel versions list.
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The kernel version list doesn't have to be available
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before the payload installation.
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:return: a list of kernel versions
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:raises UnavailableValueError: if the list is not available
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"""
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kernel_version_list = []
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if self.active_payload:
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kernel_version_list += self.active_payload.get_kernel_version_list()
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return kernel_version_list
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def install_with_tasks(self):
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"""Return a list of installation tasks.
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:return: list of tasks
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"""
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if not self.active_payload:
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return []
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tasks = [
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PrepareSystemForInstallationTask(
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sysroot=conf.target.system_root
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)
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]
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tasks += self.active_payload.install_with_tasks()
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return tasks
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def post_install_with_tasks(self):
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"""Return a list of post-installation tasks.
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:return: a list of tasks
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"""
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if not self.active_payload:
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return []
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tasks = [
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CopyDriverDisksFilesTask(
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sysroot=conf.target.system_root
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)
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]
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tasks += self.active_payload.post_install_with_tasks()
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return tasks
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def teardown_with_tasks(self):
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"""Returns teardown tasks for this module.
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:return: a list of tasks
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"""
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tasks = []
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if self.active_payload:
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tasks += self.active_payload.tear_down_with_tasks()
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return tasks
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