90 lines
3.0 KiB
Python
90 lines
3.0 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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#
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# === This file is part of Calamares - <https://github.com/calamares> ===
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#
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# Copyright 2014, Philip Müller <philm@manjaro.org>
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# Copyright 2014, Teo Mrnjavac <teo@kde.org>
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# Copyright 2017, Alf Gaida <agaida@siduction.org>
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#
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# Calamares is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Calamares is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Calamares. If not, see <http://www.gnu.org/licenses/>.
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import libcalamares
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def systemctl(targets, command, suffix):
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"""
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For each entry in @p targets, run "systemctl <command> <thing>",
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where <thing> is the entry's name plus the given @p suffix.
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(No dot is added between name and suffix; suffix may be empty)
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Returns a failure message, or None if this was successful.
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Services that are not mandatory have their failures suppressed
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silently.
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"""
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for svc in targets:
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ec = libcalamares.utils.target_env_call(
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['systemctl', command, "{}{}".format(svc['name'], suffix)]
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)
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if ec != 0:
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if svc['mandatory']:
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return ("Cannot {} systemd {} {}".format(command, suffix, svc['name']),
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"systemctl {} call in chroot returned error code {}".format(command, ec)
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)
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else:
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libcalamares.utils.warning(
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"Cannot {} systemd {} {}".format(command, suffix, svc['name'])
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)
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libcalamares.utils.warning(
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"systemctl {} call in chroot returned error code {}".format(command, ec)
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)
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return None
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def run():
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"""
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Setup systemd services
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"""
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cfg = libcalamares.job.configuration
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# note that the "systemctl enable" and "systemctl disable" commands used
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# here will work in a chroot; in fact, they are the only systemctl commands
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# that support that, see:
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# http://0pointer.de/blog/projects/changing-roots.html
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r = systemctl(cfg.get("services", []), "enable", ".service")
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if r is not None:
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return r
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r = systemctl(cfg.get("targets", []), "enable", ".target")
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if r is not None:
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return r
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r = systemctl(cfg.get("disable", []), "disable", ".service")
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if r is not None:
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return r
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r = systemctl(cfg.get("disable-targets", []), "disable", ".target")
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if r is not None:
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return r
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r = systemctl(cfg.get("mask", []), "mask", "")
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if r is not None:
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return r
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# This could have just been return r
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return None
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