##// END OF EJS Templates
Remove resolv.conf on cleanup
Filip Pytloun -
r57:b1b528ff680c
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@@ -1,300 +1,301
1 1 #!/bin/sh
2 2
3 3 ########################################################################
4 4 # rpi2-gen-image.sh ver2a 12/2015
5 5 #
6 6 # Advanced debian "jessie" bootstrap script for RPi2
7 7 #
8 8 # This program is free software; you can redistribute it and/or
9 9 # modify it under the terms of the GNU General Public License
10 10 # as published by the Free Software Foundation; either version 2
11 11 # of the License, or (at your option) any later version.
12 12 #
13 13 # some parts based on rpi2-build-image:
14 14 # Copyright (C) 2015 Ryan Finnie <ryan@finnie.org>
15 15 # Copyright (C) 2015 Luca Falavigna <dktrkranz@debian.org>
16 16 ########################################################################
17 17
18 18 source ./functions.sh
19 19
20 20 set -e
21 21 set -x
22 22
23 23 # Debian release
24 24 RELEASE=${RELEASE:=jessie}
25 25 KERNEL=${KERNEL:=3.18.0-trunk-rpi2}
26 26
27 27 # Build settings
28 28 BASEDIR=$(pwd)/images/${RELEASE}
29 29 BUILDDIR=${BASEDIR}/build
30 30
31 31 # General settings
32 32 HOSTNAME=${HOSTNAME:=rpi2-${RELEASE}}
33 33 PASSWORD=${PASSWORD:=raspberry}
34 34 DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
35 35 TIMEZONE=${TIMEZONE:="Europe/Berlin"}
36 36 XKBMODEL=${XKBMODEL:=""}
37 37 XKBLAYOUT=${XKBLAYOUT:=""}
38 38 XKBVARIANT=${XKBVARIANT:=""}
39 39 XKBOPTIONS=${XKBOPTIONS:=""}
40 40 EXPANDROOT=${EXPANDROOT:=true}
41 41
42 42 # Network settings
43 43 ENABLE_DHCP=${ENABLE_DHCP:=true}
44 44 # NET_* settings are ignored when ENABLE_DHCP=true
45 45 # NET_ADDRESS is an IPv4 or IPv6 address and its prefix, separated by "/"
46 46 NET_ADDRESS=${NET_ADDRESS:=""}
47 47 NET_GATEWAY=${NET_GATEWAY:=""}
48 48 NET_DNS_1=${NET_DNS_1:=""}
49 49 NET_DNS_2=${NET_DNS_2:=""}
50 50 NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""}
51 51 NET_NTP_1=${NET_NTP_1:=""}
52 52 NET_NTP_2=${NET_NTP_2:=""}
53 53
54 54 # APT settings
55 55 APT_PROXY=${APT_PROXY:=""}
56 56 APT_SERVER=${APT_SERVER:="ftp.debian.org"}
57 57
58 58 # Feature settings
59 59 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
60 60 ENABLE_IPV6=${ENABLE_IPV6:=true}
61 61 ENABLE_SSHD=${ENABLE_SSHD:=true}
62 62 ENABLE_SOUND=${ENABLE_SOUND:=true}
63 63 ENABLE_DBUS=${ENABLE_DBUS:=true}
64 64 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
65 65 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
66 66 ENABLE_XORG=${ENABLE_XORG:=false}
67 67 ENABLE_WM=${ENABLE_WM:=""}
68 68 ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
69 69 ENABLE_USER=${ENABLE_USER:=true}
70 70 ENABLE_ROOT=${ENABLE_ROOT:=false}
71 71 ENABLE_ROOT_SSH=${ENABLE_ROOT_SSH:=false}
72 72
73 73 # Advanced settings
74 74 ENABLE_MINBASE=${ENABLE_MINBASE:=false}
75 75 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
76 76 ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
77 77 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
78 78 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
79 79
80 80 # Kernel compilation settings
81 81 BUILD_KERNEL=${BUILD_KERNEL:=false}
82 82
83 83 # Image chroot path
84 84 R=${BUILDDIR}/chroot
85 85 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
86 86
87 87 # Packages required for bootstrapping
88 88 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git-core"
89 89
90 90 # Missing packages that need to be installed
91 91 MISSING_PACKAGES=""
92 92
93 93 # Packages required in the chroot build environment
94 94 APT_INCLUDES=${APT_INCLUDES:=""}
95 95 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,ca-certificates,debian-archive-keyring,dialog,sudo"
96 96
97 97 set +x
98 98
99 99 # Are we running as root?
100 100 if [ "$(id -u)" -ne "0" ] ; then
101 101 echo "this script must be executed with root privileges"
102 102 exit 1
103 103 fi
104 104
105 105 # Add packages required for kernel cross compilation
106 106 if [ "$BUILD_KERNEL" = true ] ; then
107 107 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
108 108 fi
109 109
110 110 # Check if all required packages are installed
111 111 for package in $REQUIRED_PACKAGES ; do
112 112 if [ "`dpkg-query -W -f='${Status}' $package`" != "install ok installed" ] ; then
113 113 MISSING_PACKAGES="$MISSING_PACKAGES $package"
114 114 fi
115 115 done
116 116
117 117 # Ask if missing packages should get installed right now
118 118 if [ -n "$MISSING_PACKAGES" ] ; then
119 119 echo "the following packages needed by this script are not installed:"
120 120 echo "$MISSING_PACKAGES"
121 121
122 122 echo -n "\ndo you want to install the missing packages right now? [y/n] "
123 123 read confirm
124 124 if [ "$confirm" != "y" ] ; then
125 125 exit 1
126 126 fi
127 127 fi
128 128
129 129 # Make sure all required packages are installed
130 130 apt-get -qq -y install ${REQUIRED_PACKAGES}
131 131
132 132 # Don't clobber an old build
133 133 if [ -e "$BUILDDIR" ]; then
134 134 echo "directory $BUILDDIR already exists, not proceeding"
135 135 exit 1
136 136 fi
137 137
138 138 set -x
139 139
140 140 # Call "cleanup" function on various signals and errors
141 141 trap cleanup 0 1 2 3 6
142 142
143 143 # Set up chroot directory
144 144 mkdir -p $R
145 145
146 146 # Add required packages for the minbase installation
147 147 if [ "$ENABLE_MINBASE" = true ] ; then
148 148 APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools"
149 149 else
150 150 APT_INCLUDES="${APT_INCLUDES},locales,keyboard-configuration,console-setup"
151 151 fi
152 152
153 153 # Add parted package, required to get partprobe utility
154 154 if [ "$EXPANDROOT" = true ] ; then
155 155 APT_INCLUDES="${APT_INCLUDES},parted"
156 156 fi
157 157
158 158 # Add dbus package, recommended if using systemd
159 159 if [ "$ENABLE_DBUS" = true ] ; then
160 160 APT_INCLUDES="${APT_INCLUDES},dbus"
161 161 fi
162 162
163 163 # Add iptables IPv4/IPv6 package
164 164 if [ "$ENABLE_IPTABLES" = true ] ; then
165 165 APT_INCLUDES="${APT_INCLUDES},iptables"
166 166 fi
167 167
168 168 # Add openssh server package
169 169 if [ "$ENABLE_SSHD" = true ] ; then
170 170 APT_INCLUDES="${APT_INCLUDES},openssh-server"
171 171 fi
172 172
173 173 # Add alsa-utils package
174 174 if [ "$ENABLE_SOUND" = true ] ; then
175 175 APT_INCLUDES="${APT_INCLUDES},alsa-utils"
176 176 fi
177 177
178 178 # Add rng-tools package
179 179 if [ "$ENABLE_HWRANDOM" = true ] ; then
180 180 APT_INCLUDES="${APT_INCLUDES},rng-tools"
181 181 fi
182 182
183 183 if [ "$ENABLE_USER" = true ]; then
184 184 APT_INCLUDES="${APT_INCLUDES},sudo"
185 185 fi
186 186
187 187 # Add fbturbo video driver
188 188 if [ "$ENABLE_FBTURBO" = true ] ; then
189 189 # Enable xorg package dependencies
190 190 ENABLE_XORG=true
191 191 fi
192 192
193 193 # Add user defined window manager package
194 194 if [ -n "$ENABLE_WM" ] ; then
195 195 APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
196 196
197 197 # Enable xorg package dependencies
198 198 ENABLE_XORG=true
199 199 fi
200 200
201 201 # Add xorg package
202 202 if [ "$ENABLE_XORG" = true ] ; then
203 203 APT_INCLUDES="${APT_INCLUDES},xorg"
204 204 fi
205 205
206 206 ## Main bootstrap
207 207 for i in bootstrap.d/*.sh; do
208 208 . $i
209 209 done
210 210
211 211 for i in custom.d/*.sh; do
212 212 . $i
213 213 done
214 214
215 215 # Invoke custom scripts
216 216 if [ -n "${CHROOT_SCRIPTS}" ]; then
217 217 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
218 218 LANG=C chroot $R bash -c 'for SCRIPT in /chroot_scripts/*; do if [ -f $SCRIPT -a -x $SCRIPT ]; then $SCRIPT; fi done;'
219 219 rm -rf "${R}/chroot_scripts"
220 220 fi
221 221
222 222 ## Cleanup
223 223 chroot_exec apt-get -y clean
224 224 chroot_exec apt-get -y autoclean
225 225 chroot_exec apt-get -y autoremove
226 226
227 227 # Unmount mounted filesystems
228 228 umount -l $R/proc
229 229 umount -l $R/sys
230 230
231 231 # Clean up files
232 232 rm -f $R/etc/apt/sources.list.save
233 233 rm -f $R/etc/resolvconf/resolv.conf.d/original
234 234 rm -rf $R/run
235 235 mkdir -p $R/run
236 236 rm -f $R/etc/*-
237 237 rm -f $R/root/.bash_history
238 238 rm -rf $R/tmp/*
239 239 rm -f $R/var/lib/urandom/random-seed
240 240 [ -L $R/var/lib/dbus/machine-id ] || rm -f $R/var/lib/dbus/machine-id
241 241 rm -f $R/etc/machine-id
242 242 rm -fr $R/etc/apt/apt.conf.d/10proxy
243 rm -f $R/etc/resolv.conf
243 244
244 245 # Calculate size of the chroot directory in KB
245 246 CHROOT_SIZE=$(expr `du -s $R | awk '{ print $1 }'`)
246 247
247 248 # Calculate the amount of needed 512 Byte sectors
248 249 TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
249 250 BOOT_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
250 251 ROOT_OFFSET=$(expr ${TABLE_SECTORS} + ${BOOT_SECTORS})
251 252
252 253 # The root partition is EXT4
253 254 # This means more space than the actual used space of the chroot is used.
254 255 # As overhead for journaling and reserved blocks 20% are added.
255 256 ROOT_SECTORS=$(expr $(expr ${CHROOT_SIZE} + ${CHROOT_SIZE} \/ 100 \* 20) \* 1024 \/ 512)
256 257
257 258 # Calculate required image size in 512 Byte sectors
258 259 IMAGE_SECTORS=$(expr ${TABLE_SECTORS} + ${BOOT_SECTORS} + ${ROOT_SECTORS})
259 260
260 261 # Prepare date string for image file name
261 262 DATE="$(date +%Y-%m-%d)"
262 263
263 264 # Prepare image file
264 265 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}.img" bs=512 count=${TABLE_SECTORS}
265 266 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}.img" bs=512 count=0 seek=${IMAGE_SECTORS}
266 267
267 268 # Write partition table
268 269 sfdisk -q -f "$BASEDIR/${DATE}-debian-${RELEASE}.img" <<EOM
269 270 unit: sectors
270 271
271 272 1 : start= ${TABLE_SECTORS}, size= ${BOOT_SECTORS}, Id= c, bootable
272 273 2 : start= ${ROOT_OFFSET}, size= ${ROOT_SECTORS}, Id=83
273 274 3 : start= 0, size= 0, Id= 0
274 275 4 : start= 0, size= 0, Id= 0
275 276 EOM
276 277
277 278 # Set up temporary loop devices and build filesystems
278 279 VFAT_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $BASEDIR/${DATE}-debian-${RELEASE}.img)"
279 280 EXT4_LOOP="$(losetup -o 65M -f --show $BASEDIR/${DATE}-debian-${RELEASE}.img)"
280 281 mkfs.vfat "$VFAT_LOOP"
281 282 mkfs.ext4 "$EXT4_LOOP"
282 283
283 284 # Mount the temporary loop devices
284 285 mkdir -p "$BUILDDIR/mount"
285 286 mount "$EXT4_LOOP" "$BUILDDIR/mount"
286 287
287 288 mkdir -p "$BUILDDIR/mount/boot/firmware"
288 289 mount "$VFAT_LOOP" "$BUILDDIR/mount/boot/firmware"
289 290
290 291 # Copy all files from the chroot to the loop device mount point directory
291 292 rsync -a "$R/" "$BUILDDIR/mount/"
292 293
293 294 # Unmount all temporary loop devices and mount points
294 295 cleanup
295 296
296 297 # (optinal) create block map file for "bmaptool"
297 298 bmaptool create -o "$BASEDIR/${DATE}-debian-${RELEASE}.bmap" "$BASEDIR/${DATE}-debian-${RELEASE}.img"
298 299
299 300 # Image was successfully created
300 301 echo "$BASEDIR/${DATE}-debian-${RELEASE}.img (${IMAGE_SIZE})" ": successfully created"
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