177 lines
6.8 KiB
Python
177 lines
6.8 KiB
Python
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
#
|
|
# === This file is part of Calamares - <https://github.com/calamares> ===
|
|
#
|
|
# Copyright 2014, Aurélien Gâteau <agateau@kde.org>
|
|
# Copyright 2017, Alf Gaida <agaida@siduction.org>
|
|
# Copyright 2019, Adriaan de Groot <groot@kde.org>
|
|
# Copyright 2019, Kevin Kofler <kevin.kofler@chello.at>
|
|
#
|
|
# Calamares is free software: you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# Calamares is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with Calamares. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
import tempfile
|
|
import subprocess
|
|
import os
|
|
|
|
import libcalamares
|
|
|
|
import gettext
|
|
_ = gettext.translation("calamares-python",
|
|
localedir=libcalamares.utils.gettext_path(),
|
|
languages=libcalamares.utils.gettext_languages(),
|
|
fallback=True).gettext
|
|
|
|
|
|
def pretty_name():
|
|
return _("Mounting partitions.")
|
|
|
|
def mount_partition(root_mount_point, partition, partitions):
|
|
"""
|
|
Do a single mount of @p partition inside @p root_mount_point.
|
|
|
|
The @p partitions are used to handle btrfs special-cases:
|
|
then subvolumes are created for root and home.
|
|
"""
|
|
# Create mount point with `+` rather than `os.path.join()` because
|
|
# `partition["mountPoint"]` starts with a '/'.
|
|
raw_mount_point = partition["mountPoint"]
|
|
mount_point = root_mount_point + raw_mount_point
|
|
|
|
# Ensure that the created directory has the correct SELinux context on
|
|
# SELinux-enabled systems.
|
|
os.makedirs(mount_point, exist_ok=True)
|
|
try:
|
|
subprocess.call(['chcon', '--reference=' + raw_mount_point, mount_point])
|
|
except FileNotFoundError as e:
|
|
libcalamares.utils.warning(str(e))
|
|
except OSError:
|
|
libcalamares.utils.error("Cannot run 'chcon' normally.")
|
|
raise
|
|
|
|
fstype = partition.get("fs", "").lower()
|
|
|
|
if fstype == "fat16" or fstype == "fat32":
|
|
fstype = "vfat"
|
|
|
|
if "luksMapperName" in partition:
|
|
libcalamares.utils.debug(
|
|
"about to mount {!s}".format(partition["luksMapperName"]))
|
|
libcalamares.utils.mount(
|
|
"/dev/mapper/{!s}".format(partition["luksMapperName"]),
|
|
mount_point,
|
|
fstype,
|
|
partition.get("options", ""),
|
|
)
|
|
|
|
else:
|
|
libcalamares.utils.mount(partition["device"],
|
|
mount_point,
|
|
fstype,
|
|
partition.get("options", ""),
|
|
)
|
|
|
|
# If the root partition is btrfs, we create a subvolume "@"
|
|
# for the root mount point.
|
|
# If a separate /home partition isn't defined, we also create
|
|
# a subvolume "@home".
|
|
# Finally we remount all of the above on the correct paths.
|
|
if fstype == "btrfs" and partition["mountPoint"] == '/':
|
|
has_home_mount_point = False
|
|
for p in partitions:
|
|
if "mountPoint" not in p or not p["mountPoint"]:
|
|
continue
|
|
if p["mountPoint"] == "/home":
|
|
has_home_mount_point = True
|
|
break
|
|
|
|
subprocess.check_call(['btrfs', 'subvolume', 'create',
|
|
root_mount_point + '/@'])
|
|
|
|
if not has_home_mount_point:
|
|
subprocess.check_call(['btrfs', 'subvolume', 'create',
|
|
root_mount_point + '/@home'])
|
|
|
|
subprocess.check_call(["umount", "-v", root_mount_point])
|
|
|
|
if "luksMapperName" in partition:
|
|
libcalamares.utils.mount(
|
|
"/dev/mapper/{!s}".format(partition["luksMapperName"]),
|
|
mount_point,
|
|
fstype,
|
|
",".join(
|
|
["subvol=@", partition.get("options", "")]),
|
|
)
|
|
if not has_home_mount_point:
|
|
libcalamares.utils.mount(
|
|
"/dev/mapper/{!s}".format(partition["luksMapperName"]),
|
|
root_mount_point + "/home",
|
|
fstype,
|
|
",".join(
|
|
["subvol=@home", partition.get("options", "")]),
|
|
)
|
|
else:
|
|
libcalamares.utils.mount(
|
|
partition["device"],
|
|
mount_point,
|
|
fstype,
|
|
",".join(["subvol=@", partition.get("options", "")]),
|
|
)
|
|
if not has_home_mount_point:
|
|
libcalamares.utils.mount(
|
|
partition["device"],
|
|
root_mount_point + "/home",
|
|
fstype,
|
|
",".join(
|
|
["subvol=@home", partition.get("options", "")]),
|
|
)
|
|
|
|
|
|
def run():
|
|
"""
|
|
Mount all the partitions from GlobalStorage and from the job configuration.
|
|
Partitions are mounted in-lexical-order of their mountPoint.
|
|
"""
|
|
partitions = libcalamares.globalstorage.value("partitions")
|
|
|
|
if not partitions:
|
|
libcalamares.utils.warning("partitions is empty, {!s}".format(partitions))
|
|
return (_("Configuration Error"),
|
|
_("No partitions are defined for <pre>{!s}</pre> to use." ).format("mount"))
|
|
|
|
root_mount_point = tempfile.mkdtemp(prefix="calamares-root-")
|
|
|
|
# Guard against missing keys (generally a sign that the config file is bad)
|
|
extra_mounts = libcalamares.job.configuration.get("extraMounts") or []
|
|
extra_mounts_efi = libcalamares.job.configuration.get("extraMountsEfi") or []
|
|
if not extra_mounts and not extra_mounts_efi:
|
|
libcalamares.utils.warning("No extra mounts defined. Does mount.conf exist?")
|
|
|
|
if libcalamares.globalstorage.value("firmwareType") == "efi":
|
|
extra_mounts.extend(extra_mounts_efi)
|
|
|
|
# Add extra mounts to the partitions list and sort by mount points.
|
|
# This way, we ensure / is mounted before the rest, and every mount point
|
|
# is created on the right partition (e.g. if a partition is to be mounted
|
|
# under /tmp, we make sure /tmp is mounted before the partition)
|
|
mountable_partitions = [ p for p in partitions + extra_mounts if "mountPoint" in p and p["mountPoint"] ]
|
|
mountable_partitions.sort(key=lambda x: x["mountPoint"])
|
|
for partition in mountable_partitions:
|
|
mount_partition(root_mount_point, partition, partitions)
|
|
|
|
libcalamares.globalstorage.insert("rootMountPoint", root_mount_point)
|
|
|
|
# Remember the extra mounts for the unpackfs module
|
|
libcalamares.globalstorage.insert("extraMounts", extra_mounts)
|