blob: eed6db9fe7cf51094c1bd49e76e48a07356dc3f5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
#!/bin/sh
# Simple partitioning shell script.
# Copyright © 2013,2014 Guilhem Moulin <guilhem@fripost.org>
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
# On most installations it should be enough to change what is marked as
# 'FIXME'.
set -ue
. /lib/fripost-partman/base.sh
# Configuration for a single disk
device=/dev/sda
raidLevel=
# Configuration for a RAID array
#device='/dev/sda /dev/sdb' # FIXME
#raidLevel=raid1 # raid level FIXME
#raidNumActiveDevices=2 # number of active devices in the array FIXME
n=0
for d in $device; do
n=$(( $n + 1 ))
wait_for_device $d
# Umount existing mountpoints
for mp in $(sed -nr "s#^$d\S*\s+(\S+).*#\1#p" /proc/mounts); do
umount "$mp"
done
# Wipe the disk
fripost_wipe $d
# Create a disk label
/sbin/parted -s $d mklabel gpt
log "Created disklabel GPT for device $d"
# Don't make an array of these partitions, but keep the alignment
# regardless (at the expense of loosing some megabytes)
# Create a EFI partition if needed; otherwise, create a partition needed
# to put GRUB on GPT disklabels.
if [ -d /proc/efi -o -d /sys/firmware/efi ]; then
size=256M
name=efi
if [ $n -eq 1 ]; then
anna-install dosfstools-udeb
part_efi=$( fripost_mkpart $d $name $size +boot )
fripost_mkfs vfat $part_efi -F 32
else
fripost_mkpart $d $name $size
fi
else
size=8M
name=bios_grub
if [ $n -eq 1 ]; then
fripost_mkpart $d $name $size +bios_grub
else
fripost_mkpart $d $name $size
fi
fi
done
db_get fripost/encrypt
encrypt=$RET
# Install GRUB on the first device in case of an array
db_set grub-installer/bootdev "${device%% *}"
db_fset grub-installer/bootdev seen true
part_boot=
part_system=
# Create boot and system partitions
for d in $device; do
pb=$( fripost_mkpart $d boot 64M )
ps=$( fripost_mkpart $d system 100% )
part_boot="${part_boot:+$part_boot }$pb"
part_system="${part_system:+$part_system }$ps"
/sbin/parted -s $d align-check opt ${ps#$d} \
|| fatal "$ps is not aligned"
done
# Create an array on top of that
if [ ${raidLevel:-} ]; then
[ -d /dev/md ] || mkdir /dev/md
devices="$part_boot"
part_boot=/dev/md/boot
fripost_mdadm_create "$part_boot" -f -R -l $raidLevel \
${raidNumActiveDevices:+-n $raidNumActiveDevices} $devices
devices="$part_system"
part_system=/dev/md/system
fripost_mdadm_create "$part_system" -f -R -l $raidLevel \
${raidNumActiveDevices:+-n $raidNumActiveDevices} $devices
# They were only meant to preserve alignment accross physical
# devices.
log "Remove dummy partitions"
for d in ${device#* }; do
# efi and bios_grub are only installed on the first disk
fripost_rmpart $d efi || true
fripost_rmpart $d bios_grub || true
done
# Note that we're assembling the array *before* encryption rather
# than the otherway around. dm_crypt being now multi-threaded, the
# order shouldn't impact performances (and that order is
# significantly simpler to configure).
fi
if [ $encrypt = true ]; then
# Encrypt the system partition. We choose the key length and digest
# depending on the architecture we're on; we use AES128 and SHA-256
# on 32-bits platforms, and AES256 and SHA-512 on 64-bits platforms.
arch=$(uname -m)
if [ "$arch" = x86_64 ]; then
keysize=256
hash=sha512
elif [ "$arch" = i386 -o "$arch" = i686 ]; then
keysize=128
hash=sha256
fi
# Note: XTS requires the key size to be doubled.
fripost_encrypt $part_system system_crypt \
--cipher aes-xts-plain64 --key-size $(( $keysize * 2 )) --hash $hash \
--iter-time 5000 --use-random
part_system=/dev/mapper/system_crypt
fi
# Ensure LVM2 is installed in the target chroot; create logical volumes
# for /, swap and /home.
apt-install lvm2 || true
vg=$(hostname)
pvcreate -ff -y $part_system
vgcreate $vg $part_system
lvcreate -L 5G -n root $vg # FIXME
lvcreate -L 1G -n swap $vg # FIXME
lvcreate -l 100%FREE -n home $vg # FIXME
vgchange -ay $vg
# Format the partitions
fripost_mkfs ext2 $part_boot -E resize=512M -m1 -b 4096
fripost_mkfs ext4 /dev/$vg/root -b 4096
fripost_mkfs ext4 /dev/$vg/home -b 4096
mkswap /dev/$vg/swap
# Stuff the fstab and mount the devices in the target
fripost_fstab $part_boot /boot ext2 noatime
[ -d /proc/efi -o -d /sys/firmware/efi ] && \
fripost_fstab $part_efi /boot/efi vfat defaults
fripost_fstab /dev/$vg/root / ext4 noatime,errors=remount-ro
fripost_fstab /dev/$vg/swap none swap sw
fripost_fstab /dev/$vg/home /home ext4 noatime
fripost_mount_partitions
|
