60 lines
2.3 KiB
Python
60 lines
2.3 KiB
Python
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#
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# Copyright (C) 2020 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.core.i18n import _, P_
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def check_disk_selection(storage, selected_disks):
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"""Return a list of errors related to a proposed disk selection.
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:param storage: blivet.Blivet instance
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:param selected_disks: names of selected disks
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:type selected_disks: list of str
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:returns: a list of error messages
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:rtype: list of str
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"""
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errors = []
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for name in selected_disks:
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selected = storage.devicetree.get_device_by_name(name, hidden=True)
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if not selected:
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errors.append(_("The selected disk {} is not recognized.").format(name))
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continue
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related = sorted(storage.devicetree.get_related_disks(selected), key=lambda d: d.name)
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missing = [r.name for r in related if r.name not in selected_disks]
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if not missing:
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continue
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errors.append(P_(
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"You selected disk %(selected)s, which contains "
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"devices that also use unselected disk "
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"%(unselected)s. You must select or de-select "
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"these disks as a set.",
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"You selected disk %(selected)s, which contains "
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"devices that also use unselected disks "
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"%(unselected)s. You must select or de-select "
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"these disks as a set.",
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len(missing)) % {
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"selected": selected.name,
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"unselected": ", ".join(missing)
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})
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return errors
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