3 # Builds custom BootCD ISO and USB images in the current
4 # directory. For backward compatibility, if an old-style static
5 # configuration is specified, that configuration file will be parsed
6 # instead of the current PLC configuration in
7 # /etc/planetlab/plc_config.
9 # Aaron Klingaman <alk@absarokasoft.com>
10 # Mark Huang <mlhuang@cs.princeton.edu>
11 # Copyright (C) 2004-2006 The Trustees of Princeton University
16 PATH=/sbin:/bin:/usr/sbin:/usr/bin
19 NODE_CONFIGURATION_FILE=
23 echo "Usage: build.sh [OPTION]..."
24 echo " -c name (Deprecated) Static configuration to use (default: $CONFIGURATION)"
25 echo " -f planet.cnf Node to customize CD for (default: none)"
26 echo " -h This message"
31 while getopts "c:f:h" opt ; do
37 NODE_CONFIGURATION_FILE=$OPTARG
45 # Do not tolerate errors
48 # Change to our source directory
49 srcdir=$(cd $(dirname $0) && pwd -P)
53 isofs=$PWD/build/isofs
55 # Build reference image if it does not exist. This should only need to
56 # be executed once at build time, never at run time.
57 if [ ! -f $isofs/bootcd.img ] ; then
61 # build/version.txt written by prep.sh
62 BOOTCD_VERSION=$(cat build/version.txt)
64 if [ -f /etc/planetlab/plc_config ] ; then
65 # Source PLC configuration
66 . /etc/planetlab/plc_config
69 # If PLC configuration is not valid, try a static configuration
70 if [ -z "$PLC_BOOT_CA_SSL_CRT" -a -d configurations/$CONFIGURATION ] ; then
71 # (Deprecated) Source static configuration
72 . configurations/$CONFIGURATION/configuration
74 PLC_MAIL_SUPPORT_ADDRESS="support@planet-lab.org"
75 PLC_WWW_HOST="www.planet-lab.org"
77 if [ -n "$EXTRA_VERSION" ] ; then
78 BOOTCD_VERSION="$BOOTCD_VERSION $EXTRA_VERSION"
80 PLC_BOOT_HOST=$PRIMARY_SERVER
81 PLC_BOOT_SSL_PORT=$PRIMARY_SERVER_PORT
82 PLC_BOOT_CA_SSL_CRT=configurations/$CONFIGURATION/$PRIMARY_SERVER_CERT
83 PLC_ROOT_GPG_KEY_PUB=configurations/$CONFIGURATION/$PRIMARY_SERVER_GPG
86 FULL_VERSION_STRING="$PLC_NAME BootCD $BOOTCD_VERSION"
88 # Root of the ISO and USB images
89 overlay=$(mktemp -d /tmp/overlay.XXXXXX)
90 install -d -m 755 $overlay
91 trap "rm -rf $overlay" ERR
93 # Create version files
94 echo "* Creating version files"
96 # Boot Manager compares pl_version in both places to make sure that
97 # the right CD is mounted. We used to boot from an initrd and mount
98 # the CD on /usr. Now we just run everything out of the initrd.
99 for file in $overlay/pl_version $overlay/usr/isolinux/pl_version ; do
100 mkdir -p $(dirname $file)
101 echo "$FULL_VERSION_STRING" >$file
104 # Install boot server configuration files
105 echo "* Installing boot server configuration files"
107 # We always intended to bring up and support backup boot servers,
108 # but never got around to it. Just install the same parameters for
110 for dir in $overlay/usr/boot $overlay/usr/boot/backup ; do
111 install -D -m 644 $PLC_BOOT_CA_SSL_CRT $dir/cacert.pem
112 install -D -m 644 $PLC_ROOT_GPG_KEY_PUB $dir/pubring.gpg
113 echo "$PLC_BOOT_HOST" >$dir/boot_server
114 echo "$PLC_BOOT_SSL_PORT" >$dir/boot_server_port
115 echo "/boot/" >$dir/boot_server_path
118 # (Deprecated) Install old-style boot server configuration files
119 install -D -m 644 $PLC_BOOT_CA_SSL_CRT $overlay/usr/bootme/cacert/$PLC_BOOT_HOST/cacert.pem
120 echo "$FULL_VERSION_STRING" >$overlay/usr/bootme/ID
121 echo "$PLC_BOOT_HOST" >$overlay/usr/bootme/BOOTSERVER
122 echo "$PLC_BOOT_HOST" >$overlay/usr/bootme/BOOTSERVER_IP
123 echo "$PLC_BOOT_SSL_PORT" >$overlay/usr/bootme/BOOTPORT
125 # Generate /etc/issue
126 echo "* Generating /etc/issue"
128 if [ "$PLC_WWW_PORT" = "443" ] ; then
129 PLC_WWW_URL="https://$PLC_WWW_HOST/"
130 elif [ "$PLC_WWW_PORT" != "80" ] ; then
131 PLC_WWW_URL="http://$PLC_WWW_HOST:$PLC_WWW_PORT/"
133 PLC_WWW_URL="http://$PLC_WWW_HOST/"
136 mkdir -p $overlay/etc
137 cat >$overlay/etc/issue <<EOF
143 This machine is a node in the $PLC_NAME distributed network. It has
144 not fully booted yet. If you have cancelled the boot process at the
145 request of $PLC_NAME Support, please follow the instructions provided
146 to you. Otherwise, please contact $PLC_MAIL_SUPPORT_ADDRESS.
148 Console login at this point is restricted to root. Provide the root
149 password of the default $PLC_NAME Central administrator account at the
150 time that this CD was created.
155 echo "* Setting root password"
157 if [ -z "$ROOT_PASSWORD" ] ; then
158 # Generate an encrypted password with crypt() if not defined
159 # in a static configuration.
160 ROOT_PASSWORD=$(python <<EOF
161 import crypt, random, string
162 salt = [random.choice(string.letters + string.digits + "./") for i in range(0,8)]
163 print crypt.crypt('$PLC_ROOT_PASSWORD', '\$1\$' + "".join(salt) + '\$')
168 # build/passwd copied out by prep.sh
169 sed -e "s@^root:[^:]*:\(.*\)@root:$ROOT_PASSWORD:\1@" build/passwd \
172 # Install node configuration file (e.g., if node has no floppy disk or USB slot)
173 if [ -f "$NODE_CONFIGURATION_FILE" ] ; then
174 echo "* Installing node configuration file"
175 install -D -m 644 $NODE_CONFIGURATION_FILE $overlay/usr/boot/plnode.txt
178 # Pack overlay files into a compressed archive
179 echo "* Compressing overlay image"
180 (cd $overlay && find . | cpio --quiet -c -o) | gzip -9 >$isofs/overlay.img
185 # Calculate ramdisk size (total uncompressed size of both archives)
186 ramdisk_size=$(gzip -l $isofs/bootcd.img $isofs/overlay.img | tail -1 | awk '{ print $2; }') # bytes
187 ramdisk_size=$(($ramdisk_size / 1024)) # kilobytes
189 # Write isolinux configuration
190 echo "$FULL_VERSION_STRING" >$isofs/pl_version
191 cat >$isofs/isolinux.cfg <<EOF
193 APPEND ramdisk_size=$ramdisk_size initrd=bootcd.img,overlay.img root=/dev/ram0 rw
199 # Change back to output directory
203 echo "* Creating ISO image"
204 iso="$PLC_NAME-BootCD-$BOOTCD_VERSION.iso"
206 -R -allow-leading-dots -J -r \
207 -b isolinux.bin -c boot.cat \
208 -no-emul-boot -boot-load-size 4 -boot-info-table \
212 echo "* Creating USB image"
213 usb="$PLC_NAME-BootCD-$BOOTCD_VERSION.usb"
215 # Leave 1 MB of free space on the VFAT filesystem
216 mkfs.vfat -C "$usb" $(($(du -sk $isofs | awk '{ print $1; }') + 1024))
219 tmp=$(mktemp -d /tmp/bootcd.XXXXXX)
220 mount -o loop "$usb" $tmp
221 trap "umount $tmp; rm -rf $tmp" ERR
224 echo "* Populating USB image"
225 (cd $isofs && find . | cpio -p -d -u $tmp/)
227 # Use syslinux instead of isolinux to make the image bootable
228 mv $tmp/isolinux.cfg $tmp/syslinux.cfg
233 echo "* Making USB image bootable"
234 $srcdir/syslinux/unix/syslinux "$usb"