161 lines
5.3 KiB
Python
161 lines
5.3 KiB
Python
#
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# Copyright (C) 2021 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 contextlib import contextmanager
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from pyanaconda.anaconda_loggers import get_module_logger
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from pyanaconda.core.i18n import _
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from pyanaconda.modules.common.structures.packages import PackagesSelectionData
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from pyanaconda.modules.common.structures.validation import ValidationReport
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from pyanaconda.modules.common.task import ValidationTask
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from pyanaconda.modules.payloads.payload.dnf.dnf_manager import MissingSpecsError, \
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BrokenSpecsError, InvalidSelectionError
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from pyanaconda.modules.payloads.payload.dnf.utils import get_installation_specs, \
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get_kernel_package
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log = get_module_logger(__name__)
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class VerifyRepomdHashesTask(ValidationTask):
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"""Verification task for checking repomd hashes of enabled repositories."""
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def __init__(self, dnf_manager):
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"""Create a task.
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:param dnf_manager: a DNF manager
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"""
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super().__init__()
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self._dnf_manager = dnf_manager
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@property
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def name(self):
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"""The name of the task."""
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return "Verify repomd hashes"
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def run(self):
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"""Run the task.
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:return: a validation report
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"""
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report = ValidationReport()
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if not self._dnf_manager.verify_repomd_hashes():
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report.error_messages.append(_(
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"Some of the repomd.xml files have changed or are unreachable."
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))
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return report
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class CheckPackagesSelectionTask(ValidationTask):
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"""Validation task to check the software selection."""
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def __init__(self, dnf_manager, selection: PackagesSelectionData):
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"""Create a task.
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:param dnf_manager: a DNF manager
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:param selection: a packages selection data
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"""
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super().__init__()
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self._dnf_manager = dnf_manager
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self._selection = selection
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self._include_list = []
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self._exclude_list = []
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@property
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def name(self):
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"""The name of the task."""
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return "Check the software selection"
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def run(self):
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"""Run the task.
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:return: a validation report
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"""
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# Clear the previous selection.
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self._clear_selection()
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# Prepare the new selection.
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self._collect_selected_specs()
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self._collect_required_specs()
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# Resolve the new selection.
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return self._resolve_selection()
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def _clear_selection(self):
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"""Clear the previous selection."""
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self._dnf_manager.clear_selection()
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def _collect_selected_specs(self):
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"""Collect specs for the selected software."""
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log.debug("Collecting selected specs.")
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# Get the default environment.
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default_environment = self._dnf_manager.default_environment
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# Get the installation specs.
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include_list, exclude_list = get_installation_specs(
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self._selection, default_environment
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)
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self._include_list.extend(include_list)
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self._exclude_list.extend(exclude_list)
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def _collect_required_specs(self):
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"""Collect specs for the required software."""
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log.debug("Collecting required specs.")
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# Add the kernel package.
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kernel_package = get_kernel_package(self._dnf_manager, self._exclude_list)
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if kernel_package:
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self._include_list.append(kernel_package)
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def _resolve_selection(self):
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"""Resolve the new selection."""
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log.debug("Resolving the software selection.")
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report = ValidationReport()
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with self._reported_errors(report):
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self._dnf_manager.disable_modules(self._selection.disabled_modules)
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with self._reported_errors(report):
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self._dnf_manager.enable_modules(self._selection.modules)
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with self._reported_errors(report):
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self._dnf_manager.apply_specs(self._include_list, self._exclude_list)
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with self._reported_errors(report):
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self._dnf_manager.resolve_selection()
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log.debug("Resolving has been completed: %s", report)
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return report
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@contextmanager
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def _reported_errors(self, report):
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"""Add exceptions into the validation report.
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:param report: a validation report
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"""
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try:
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yield
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except MissingSpecsError as e:
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report.warning_messages.append(str(e))
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except BrokenSpecsError as e:
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report.error_messages.append(str(e))
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except InvalidSelectionError as e:
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report.error_messages.append(str(e))
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