3 # Copyright (C) 2007 Google Inc.
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful, but
11 # WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 # General Public License for more details.
15 # You should have received a copy of the GNU General Public License
16 # along with this program; if not, write to the Free Software
17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
25 if [ ${#CLEANUP[*]} -gt 0 ]; then
26 LAST_ELEMENT=$((${#CLEANUP[*]}-1))
27 REVERSE_INDEXES=$(seq ${LAST_ELEMENT} -1 0)
28 for i in $REVERSE_INDEXES; do
36 DEFAULT_FILE="@sysconfdir@/default/ganeti-instance-debootstrap"
37 if [ -f "$DEFAULT_FILE" ]; then
41 # note: we don't set a default mirror since debian and ubuntu have
42 # different defaults, and it's better to use the default
44 # only if the user want to specify a mirror in the defaults file we
45 # will use it, this declaration is to make sure the variable is set
51 : ${CUSTOMIZE_DIR:="@sysconfdir@/ganeti/instance-debootstrap.d"}
52 : ${GENERATE_CACHE:="yes"}
53 : ${CLEAN_CACHE:="14"} # number of days to keep a cache file
54 : ${PARTITION_STYLE:="none"} # disk partition style
56 CACHE_DIR="@localstatedir@/cache/ganeti-instance-debootstrap"
58 if [ "$GENERATE_CACHE" = "yes" -a ! -d "$CACHE_DIR" ]; then
62 DPKG_ARCH=${ARCH:-`dpkg --print-architecture`}
63 CACHE_FILE="$CACHE_DIR/cache-${SUITE}-${DPKG_ARCH}.tar"
67 # If the target device is not a real block device we'll first losetup it.
68 # This is needed for file disks.
69 if [ ! -b $blockdev ]; then
70 ORIGINAL_BLOCKDEV=$blockdev
71 blockdev=$(losetup -sf $blockdev)
72 CLEANUP+=("losetup -d $blockdev")
75 if [ "$PARTITION_STYLE" = "none" ]; then
76 filesystem_dev=$blockdev
77 elif [ "$PARTITION_STYLE" = "msdos" ]; then
78 # Create one big partition, and make it bootable
79 sfdisk --quiet --Linux $blockdev <<EOF
82 block_base=`basename $blockdev`
83 filesystem_dev_base=`kpartx -l -p- $blockdev | \
84 grep -m 1 "^$block_base.*$blockdev" | \
86 kpartx -a -p- $blockdev
87 CLEANUP+=("kpartx -d -p- $blockdev")
88 filesystem_dev="/dev/mapper/$filesystem_dev_base"
90 echo "Unknown partition style $PARTITION_STYLE"
94 mke2fs -Fjq $filesystem_dev
95 root_uuid=$($VOL_ID -u $filesystem_dev )
97 if [ -n "$swapdev" ]; then
99 swap_uuid=$($VOL_ID -u $swapdev || true )
102 TMPDIR=`mktemp -d` || exit 1
103 CLEANUP+=("rmdir $TMPDIR")
105 mount $filesystem_dev $TMPDIR
106 CLEANUP+=("umount $TMPDIR")
108 # remove the cache file if it's old (> 2 weeks) and writable by the owner (the
109 # default due to the standard umask)
110 if [ "$CLEAN_CACHE" -a -d "$CACHE_DIR" ]; then
111 find "$CACHE_DIR" -name 'cache-*.tar' -type f \
112 -daystart -mtime "+${CLEAN_CACHE}" -print0 | \
116 if [ -f "$CACHE_FILE" ]; then
117 tar xf "$CACHE_FILE" -C $TMPDIR
119 if [ "$PROXY" ]; then
120 export http_proxy="$PROXY"
122 # INCLUDE will be empty if EXTRA_PKGS is null/empty, otherwise we
123 # build the full parameter format from it
124 INCLUDE=${EXTRA_PKGS:+"--include=$EXTRA_PKGS"}
126 --arch "$DPKG_ARCH" \
128 "$SUITE" $TMPDIR $MIRROR
130 # remove the downloaded debs, as they are no longer needed
131 find "$TMPDIR/var/cache/apt/archives" -type f -name '*.deb' -print0 | \
134 # remove the persistent-net rules, otherwise it will remember the node's
135 # interfaces as eth0, eth1, ...
136 rm -f "$TMPDIR/etc/udev/rules.d/z25_persistent-net.rules"
138 if [ "$GENERATE_CACHE" = "yes" ]; then
139 TMP_CACHE=`mktemp "${CACHE_FILE}.XXXXXX"`
140 tar cf "$TMP_CACHE" -C $TMPDIR .
141 mv -f "$TMP_CACHE" "$CACHE_FILE"
145 cp -p /etc/hosts $TMPDIR/etc/hosts
146 cp -p /etc/resolv.conf $TMPDIR/etc/resolv.conf
147 echo $instance > $TMPDIR/etc/hostname
148 echo $instance > $TMPDIR/etc/mailname
150 cat > $TMPDIR/etc/fstab <<EOF
151 # /etc/fstab: static file system information.
153 # <file system> <mount point> <type> <options> <dump> <pass>
154 UUID=$root_uuid / ext3 defaults 0 1
155 proc /proc proc defaults 0 0
158 [ -n "$swapdev" -a -n "$swap_uuid" ] && cat >> $TMPDIR/etc/fstab <<EOF
159 UUID=$swap_uuid swap swap defaults 0 0
162 cat > $TMPDIR/etc/network/interfaces <<EOF
164 iface lo inet loopback
167 if [ -e $TMPDIR/etc/inittab ]; then
168 cat $TMPDIR/etc/inittab | sed -re 's/\stty1$/ console/' \
169 > $TMPDIR/etc/inittab.new
170 mv $TMPDIR/etc/inittab.new $TMPDIR/etc/inittab
171 elif [ -e $TMPDIR/etc/event.d/tty1 ]; then
172 cat $TMPDIR/etc/event.d/tty1 | sed -re 's/tty1/console/' \
173 > $TMPDIR/etc/event.d/console
174 rm $TMPDIR/etc/event.d/tty1
177 RUN_PARTS=`which run-parts`
179 if [ -n "$RUN_PARTS" -a -n "$CUSTOMIZE_DIR" -a -d "$CUSTOMIZE_DIR" ]; then
182 FSYSDEV=$filesystem_dev
183 export TARGET SUITE ARCH PARTITION_STYLE EXTRA_PKGS BLOCKDEV FSYSDEV
184 $RUN_PARTS $CUSTOMIZE_DIR