117 lines
3.9 KiB
Python
117 lines
3.9 KiB
Python
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#
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# Copyright (C) 2019 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.modules.common.errors.payload import SourceSetupError, SourceTearDownError
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from pyanaconda.modules.common.task import Task
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log = get_module_logger(__name__)
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__all__ = ["SetUpSourcesTask", "TearDownSourcesTask"]
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class SetUpSourcesTask(Task):
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"""Set up all the installation source of the payload."""
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def __init__(self, sources):
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"""Create set up sources task.
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The task will group all the sources set up tasks under this one.
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:param sources: list of sources
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:type sources: [instance of PayloadSourceBase class]
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"""
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super().__init__()
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self._sources = sources
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@property
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def name(self):
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return "Set up installation sources"
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def run(self):
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"""Run the task.
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:raise SourceSetupError: if a source fails to set up
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"""
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log.debug("Setting up sources...")
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if not self._sources:
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raise SourceSetupError("No sources to set up!")
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self._set_up_sources(self._sources)
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def _set_up_sources(self, sources):
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"""Collect and call set up tasks for all the sources."""
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for source in sources:
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log.debug("Setting up a source: %s", str(source))
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tasks = source.set_up_with_tasks()
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for task in tasks:
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log.debug("Running a task: %s", task.name)
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task.run_with_signals()
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class TearDownSourcesTask(Task):
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"""Tear down all the installation sources of the payload."""
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def __init__(self, sources):
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"""Create tear down sources task.
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The task will group all the sources tear down tasks under this one.
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:param sources: list of sources
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:type sources: [instance of PayloadSourceBase class]
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"""
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super().__init__()
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self._sources = sources
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self._errors = []
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@property
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def name(self):
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return "Tear down installation sources"
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def run(self):
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"""Run the task.
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:raise SourceSetupError: if a source fails to tear down
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"""
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log.debug("Tearing down sources...")
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if not self._sources:
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raise SourceSetupError("No sources to tear down!")
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self._tear_down_sources(self._sources)
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if self._errors:
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raise SourceTearDownError(
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"Failed to tear down sources:\n" + "\n".join(self._errors)
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)
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def _tear_down_sources(self, sources):
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"""Collect and call tear down tasks for all the sources."""
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for source in sources:
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log.debug("Tearing down a source: %s", str(source))
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tasks = source.tear_down_with_tasks()
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for task in tasks:
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log.debug("Running a task: %s", task.name)
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try:
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task.run()
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except SourceTearDownError as e:
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log.exception(e)
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self._errors.append(str(e))
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