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#!/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>
#
# 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_partitions(root_mount_point, partitions):
"""
Pass back mount point and filesystem for each partition.
:param root_mount_point:
:param partitions:
"""
for partition in partitions:
if "mountPoint" not in partition or not partition["mountPoint"]:
continue
# 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)
subprocess.call(['chcon', '--reference=' + raw_mount_point,
mount_point])
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():
"""
Define mountpoints.
:return:
"""
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?")
# Sort by mount points to ensure / is mounted before the rest
partitions.sort(key=lambda x: x["mountPoint"])
mount_partitions(root_mount_point, partitions)
mount_partitions(root_mount_point, extra_mounts)
all_extra_mounts = extra_mounts
if libcalamares.globalstorage.value("firmwareType") == "efi":
mount_partitions(root_mount_point, extra_mounts_efi)
all_extra_mounts.extend(extra_mounts_efi)
libcalamares.globalstorage.insert("rootMountPoint", root_mount_point)
# Remember the extra mounts for the unpackfs module
libcalamares.globalstorage.insert("extraMounts", all_extra_mounts)
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