summaryrefslogtreecommitdiff
path: root/share/hydractl/provision
blob: a445942453890aa38520a9fe954db2d38b800f98 (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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
#!/bin/bash
#
# System installer.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with this program.  If not, see
# <http://www.gnu.org/licenses/>.

# Load.
source $APP_BASE/lib/hydra/functions || exit 1
hydra_config_load

# Create a logical volume
function hydra_lvcreate {
  local volume="$1"
  local size="$2"
  local space

  if [ -z "$volume" ] || [ "$size" == "0" ]; then
    return
  fi

  if ! lvdisplay $vg/$volume &> /dev/null; then
    echo "Creating logical volume $volume..."
    # See http://forums.funtoo.org/viewtopic.php?id=1206
    #     https://bbs.archlinux.org/viewtopic.php?id=124615
    #hydra_safe_run lvcreate -Z n -L$size -n $volume $vg

    if [ "$size" == "-1" ]; then
      space="-l %FREE"
    else
      space="-L $size"
    fi

    hydra_safe_run lvcreate $space -n $volume $vg
  fi
}

# Create a physical volume
function hydra_create_volume {
  local volume="$1"

  if [ -z "$volume" ] || [ ! -b "/dev/mapper/$vg-$volume" ]; then
    return
  fi

  if [ "$encrypt" == "y" ]; then
    echo "Creating encrypted $volume device..."
    hydra_safe_run cryptsetup -h sha256 -c aes-cbc-essiv:sha256 -s 256 luksFormat /dev/mapper/$vg-$volume
    hydra_safe_run cryptsetup luksOpen /dev/mapper/$vg-$volume $volume
    hydra_safe_run mkfs.ext4 /dev/mapper/$volume

    if [ "$volume" == "root" ]; then
      install_device="/dev/mapper/root"
    fi
  else
    echo "Creating $volume device..."
    mkfs.ext4 /dev/mapper/$vg-$volume

    if [ "$volume" == "root" ]; then
      install_device="/dev/mapper/$vg-root"
    fi
  fi
}

# Setup.
hydra_user_input device /dev/sdb "Destination device"
hydra_user_input root_size 20G "Size of root partition"
hydra_user_input swap_size 2000 "Swap size (in MB, 0 to not create it)"
hydra_user_input home_size 20G "Size of home partition (0 to not create it, -1 for all free space)"
hydra_user_input var_size 20G "Size of var partition (0 to not create it, -1 for all free space)"
hydra_user_input encrypt y "Encrypt volumes? (y/n)"
hydra_user_input garbage y "Pre-fill volumes with garbage? (y/n)"
hydra_user_input hostname $HOSTNAME "Hostname"
hydra_user_input domain example.com "Domain"
hydra_user_input arch amd64 "System arch"
hydra_user_input version wheezy "Distro version"
hydra_user_input vg vg "Temporary install vg"
hydra_user_input grub y "Setup GRUB? (y/n)"
hydra_user_input mirror http://http.debian.net/debian/ "Debian mirror"

# Check for requirements.
for req in debootstrap cryptsetup grub-pc lvm2 parted; do
  hydra_install_package $req
done

# Warning.
cat <<-EOF
WARNING: about to partition $device!
Press ENTER to continue, Ctrl-C to abort."
EOF
read answer

# Disk partitioning.
if [ "$swap" != "0" ]; then
  boot_end=$(($swap_size + 200))
  hydra_safe_run parted -s -- $device mklabel msdos
  hydra_safe_run parted -s -- $device unit MB mkpart primary linux-swap 2          $swap_size
  hydra_safe_run parted -s -- $device unit MB mkpart primary ext2       $swap_size $boot_end
  hydra_safe_run parted -s -- $device unit MB mkpart primary ext2       $boot_end  -1
  hydra_safe_run parted -s -- $device set 2 boot on
  hydra_safe_run parted -s -- $device set 3 lvm  on

  # Change devices to absolute path names.
  swap_device="$device"1
  boot_device="$device"2
  syst_device="$device"3
else
  hydra_safe_run parted -s -- $device mklabel msdos
  hydra_safe_run parted -s -- $device unit MB mkpart primary ext2 2    200
  hydra_safe_run parted -s -- $device unit MB mkpart primary ext2 200 -1
  hydra_safe_run parted -s -- $device set 1 boot on
  hydra_safe_run parted -s -- $device set 2 lvm  on

  # Change devices to absolute path names.
  boot_device="$device"1
  syst_device="$device"2
fi

# Create volumes.
echo "Creating the needed disk volumes..."

if ! pvdisplay $syst_device &> /dev/null; then
  echo "Creating physical volume..."
  hydra_safe_run pvcreate $syst_device
fi

if ! vgdisplay $vg &> /dev/null; then
  echo "Creating volume group..."
  hydra_safe_run vgcreate $vg $syst_device
fi

hydra_safe_run vgdisplay
hydra_safe_run vgchange -a y $vg
hydra_lvcreate root $root_size
hydra_lvcreate home $home_size
hydra_lvcreate var  $var_size

# Garbage.
if [ "$garbage" == "y" ]; then
  echo "Filling volumes with garbage..."

  dd if=/dev/urandom of=/dev/mapper/$vg-root

  if [ -b "/dev/mapper/$vg-home" ]; then
    dd if=/dev/urandom of=/dev/mapper/$vg-home
  fi

  if [ -b "/dev/mapper/$vg-var" ]; then
    dd if=/dev/urandom of=/dev/mapper/$vg-var
  fi

  if [ "$swap" != "0" ]; then
    dd if=/dev/urandom of=$swap_device
  fi
fi

# Setup mountpoint and make sure it's not mounted due to a failed install.
mkdir -p /tmp/debootstrap
umount /tmp/debootstrap &> /dev/null
for folder in proc dev home var boot sys; do
  umount /tmp/debootstrap/$folder &> /dev/null
done

# Create devices
hydra_create_volume root
hydra_create_volume home
hydra_create_volume var

# Mount root volume
hydra_safe_run mount $install_device /tmp/debootstrap/

# Mount additional volumes
if [ "$home_size" != "0" ]; then
  mkdir /tmp/debootstrap/home

  if [ "$encrypt" == "y" ]; then
    hydra_safe_run mount /dev/mapper/home /tmp/debootstrap/home
  else
    hydra_safe_run mount /dev/mapper/$vg-home /tmp/debootstrap/home
  fi
fi

if [ "$var_size" != "0" ]; then
  mkdir /tmp/debootstrap/var

  if [ "$encrypt" == "y" ]; then
    hydra_safe_run mount /dev/mapper/var /tmp/debootstrap/var
  else
    hydra_safe_run mount /dev/mapper/$vg-var /tmp/debootstrap/var
  fi
fi

# Initial system install.
echo "Installing base system..."
hydra_safe_run debootstrap --arch=$arch $version /tmp/debootstrap/ $mirror

# Initial configuration.
echo "Applying initial configuration..."
mount none -t proc /tmp/debootstrap/proc
mount none -t sysfs /tmp/debootstrap/sys
mount -o bind /dev/ /tmp/debootstrap/dev
echo LANG=C > /tmp/debootstrap/etc/default/locale

# Resolver configuration.
echo "domain $domain" > /tmp/debootstrap/etc/resolv.conf
echo "search $hostname.$domain" >> /tmp/debootstrap/etc/resolv.conf
grep nameserver /etc/resolv.conf >> /tmp/debootstrap/etc/resolv.conf

# Hostname configuration.
echo $hostname.$domain > /tmp/debootstrap/etc/hostname
echo "127.0.0.1 localhost" >> /tmp/debootstrap/etc/hosts
echo "127.0.0.1 $hostname $hostname.$domain" >> /tmp/debootstrap/etc/hosts

# Invert hostname contents to avoid http://projects.puppetlabs.com/issues/2533
tac /tmp/debootstrap/etc/hosts > /tmp/debootstrap/etc/hosts.new
mv /tmp/debootstrap/etc/hosts.new /tmp/debootstrap/etc/hosts

# Initial upgrade.
echo "Applying initial upgrades..."
chroot /tmp/debootstrap/ apt-get update
chroot /tmp/debootstrap/ apt-get upgrade -y
chroot /tmp/debootstrap/ apt-get install locales cryptsetup lvm2 initramfs-tools -y

# Crypttab.
echo "Configuring crypttab..."
echo "# <target name> <source device>   <key file>  <options>" > /tmp/debootstrap/etc/crypttab

if [ "$encrypt" == "y" ]; then
  cat > /tmp/debootstrap/etc/crypttab <<-EOF
root            /dev/mapper/vg-root     none            luks,cipher=aes-cbc-essiv:sha256
EOF
fi

if [ "$home_size" != "0" ] && [ "$encrypt" == "y" ]; then
  cat >> /tmp/debootstrap/etc/crypttab <<-EOF
home            /dev/mapper/vg-home      none            luks,cipher=aes-cbc-essiv:sha256
EOF
fi

if [ "$var_size" != "0" ] && [ "$encrypt" == "y" ]; then
  cat >> /tmp/debootstrap/etc/crypttab <<-EOF
var             /dev/mapper/vg-var       none            luks,cipher=aes-cbc-essiv:sha256
EOF
fi

if [ "$swap" != "0" ]; then
  cat >> /tmp/debootstrap/etc/crypttab <<-EOF
cswap           $swap_device               /dev/random     swap,cipher=aes-cbc-essiv:sha256
EOF
fi

# Fstab.
echo "Configuring fstab..."
echo "" > /tmp/debootstrap/etc/fstab
if [ "$swap" != "0" ]; then
  cat >> /tmp/debootstrap/etc/fstab <<-EOF
/dev/mapper/cswap     none           swap  sw                                 0 0
EOF
fi

if [ "$encrypt" == "y" ]; then
  cat > /tmp/debootstrap/etc/fstab <<-EOF
/dev/mapper/root  /    ext4 defaults,errors=remount-ro 0 1
EOF
else
  cat > /tmp/debootstrap/etc/fstab <<-EOF
/dev/mapper/vg-root  /    ext4 defaults,errors=remount-ro 0 1
EOF
fi

if [ "$home_size" != "0" ]; then
  if [ "$encrypt" == "y" ]; then
  cat >> /tmp/debootstrap/etc/fstab <<-EOF
/dev/mapper/home      /home          ext4  defaults,errors=remount-ro         0 2
EOF
  else
  cat >> /tmp/debootstrap/etc/fstab <<-EOF
/dev/mapper/vg-home      /home          ext4  defaults,errors=remount-ro         0 2
EOF
  fi
fi

if [ "$var_size" != "0" ]; then
  if [ "$encrypt" == "y" ]; then
  cat >> /tmp/debootstrap/etc/fstab <<-EOF
/dev/mapper/var      /var          ext4  defaults,errors=remount-ro         0 2
EOF
  else
  cat >> /tmp/debootstrap/etc/fstab <<-EOF
/dev/mapper/vg-var      /var          ext4  defaults,errors=remount-ro         0 2
EOF
  fi
fi

# Grub.
if [ "$grub" == "y" ]; then
  echo "Boot device setup..."
  hydra_safe_run mkfs.ext4 $boot_device
  hydra_safe_run mount $boot_device /tmp/debootstrap/boot
  echo "$boot_device /boot ext4 defaults,errors=remount-ro 0 2" >> /tmp/debootstrap/etc/fstab

  echo "Setting up GRUB..."
  hydra_safe_run chroot /tmp/debootstrap/ apt-get install grub-pc -y
fi

# Kernel.
echo "Installing kernel..."
cat > /tmp/debootstrap/etc/initramfs-tools/modules <<-EOF
dm-mod
dm-crypt
aes
twofish
sha256
EOF

cat > /tmp/debootstrap/etc/kernel-img.conf <<-EOF
do_initrd = Yes
EOF

if [ "$arch" == "i386" ]; then
  kernel_arch="686"
else
  kernel_arch="$arch"
fi

if [ "$version" == "squeeze" ]; then
  hydra_safe_run chroot /tmp/debootstrap apt-get install linux-image-2.6-vserver-$kernel_arch -y
else
  hydra_safe_run chroot /tmp/debootstrap apt-get install linux-image-$kernel_arch -y
fi

# Initramfs.
echo "Creating initramfs..."
hydra_safe_run chroot /tmp/debootstrap update-initramfs -v -u

# Utils.
echo "Installing basic utilities..."
chroot /tmp/debootstrap apt-get install screen cron lsb-release openssl -y

# Ssh.
echo "Installing OpenSSH daemon..."
chroot /tmp/debootstrap apt-get install openssh-server -y

echo "OpenSSH fingerprints:"
chroot /tmp/debootstrap ssh-keygen -l -f /etc/ssh/ssh_host_dsa_key.pub
chroot /tmp/debootstrap ssh-keygen -l -f /etc/ssh/ssh_host_rsa_key.pub

# Accounts.
echo "Installing sudo..."
chroot /tmp/debootstrap apt-get install sudo -y

echo "Choose a root password."
chroot /tmp/debootstrap passwd root

cat <<-EOF

Now proceeed with final steps:

  - Create an user account with sudo privileges.
  - Network setup.

See http://padrao.sarava.org/install for more information.
EOF