85 lines
2.7 KiB
Python
85 lines
2.7 KiB
Python
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#
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# Storage reset
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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 blivet import arch
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from blivet.errors import UnusableConfigurationError
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from blivet.fcoe import fcoe
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from blivet.i18n import _
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from blivet.iscsi import iscsi
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from blivet.nvme import nvme
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from blivet.zfcp import zfcp
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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.modules.common.errors.storage import UnusableStorageError
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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__ = ["ScanDevicesTask"]
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class ScanDevicesTask(Task):
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"""A task for scanning all devices.
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Scan the system's storage configuration and store it in the tree.
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This task will reset the given instance of Blivet.
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"""
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def __init__(self, storage):
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"""Create a new task.
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:param storage: an instance of Blivet
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"""
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super().__init__()
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self._storage = storage
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@property
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def name(self):
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return "Scan all devices"
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def run(self):
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"""Run the task.
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:raise: UnusableStorageError if the model is not usable
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"""
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try:
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self._reload_modules()
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self._reset_storage(self._storage)
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except UnusableConfigurationError as e:
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log.exception("Failed to scan devices: %s", e)
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message = "\n\n".join([str(e), _(e.suggestion)])
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raise UnusableStorageError(message) from None
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def _reload_modules(self):
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"""Reload the additional modules."""
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if conf.target.is_image:
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return
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iscsi.startup()
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fcoe.startup()
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nvme.startup()
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if arch.is_s390():
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zfcp.startup()
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def _reset_storage(self, storage):
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"""Reset the storage."""
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storage.reset()
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