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#!/bin/bash -
# @configure_input@
# Copyright (C) 2009 Red Hat Inc.
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
# This is called from the Makefile to build the initramfs.
set -e
# If you want to do some extra debugging and diagnosis of the
# initramfs image, then uncomment this line. This makes the image
# larger.
debug=yes
modules="-i kernel -i bash -i coreutils -i lvm2 -i ntfs-3g -i nfs-utils -i util-linux-ng -i MAKEDEV -i net-tools"
if [ "x$debug" = "xyes" ]; then
modules="$modules -i module-init-tools -i procps -i strace -i iputils"
fi
# Decide on names for the final output. These have to match Makefile.am.
output=initramfs.@REPO@.@host_cpu@.img
koutput=vmlinuz.@REPO@.@host_cpu@
rm -f $output $koutput
# Create the basic initramfs.
@FEBOOTSTRAP@ $modules @REPO@ initramfs @MIRROR@
# Nuke some stuff. The kernel pulls mkinitrd and plymouth which pulls in
# all of Python. Sheez.
find initramfs -name '*plymouth*' -print0 | xargs -0 rm -rf
find initramfs -name '*python*' -print0 | xargs -0 rm -rf
# Modules take up nearly half of the image. It's a rough guess that
# we don't need any drivers (which take up most of the space).
# (We need to keep kernel/net/sunrpc for NFS)
rm -rf initramfs/lib/modules/*/kernel/{drivers,sound}
rm -rf initramfs/lib/modules/*/kernel/arch/x86/kvm
# Pull the kernel out into the current directory. We don't want it in
# the initramfs image.
mv initramfs/boot/vmlinuz* $koutput
rm -rf initramfs/boot
# Minimize the image.
@FEBOOTSTRAP_MINIMIZE@ initramfs
# Add some missing configuration files.
if [ ! -f initramfs/etc/hosts ]; then
cat > initramfs/etc/hosts.new <<'__EOF__'
127.0.0.1 guestfs localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
__EOF__
@FEBOOTSTRAP_RUN@ initramfs -- \
install -m 0644 -o root -g root /etc/hosts.new /etc/hosts
rm initramfs/etc/hosts.new
fi
if [ ! -f initramfs/etc/fstab ]; then
@FEBOOTSTRAP_RUN@ initramfs -- touch /etc/fstab
fi
# Copy the daemon into the filesystem.
#cp daemon/guestfsd initramfs/sbin
# Create the init script.
cat > initramfs/init.new <<'__EOF__'
#!/bin/sh
PATH=/sbin:/usr/sbin:$PATH
MAKEDEV mem null port zero core full ram tty console fd \
hda hdb hdc hdd sda sdb sdc sdd loop sd
mount -t proc /proc /proc
mount -t sysfs /sys /sys
mount -t devpts -o gid=5,mode=620 /dev/pts /dev/pts
modprobe nfsd
/sbin/ifconfig lo 127.0.0.1
lvm vgscan --ignorelockingfailure
lvm vgchange -ay --ignorelockingfailure
rpcbind
rpc.statd
rpc.nfsd 4
rpc.mountd
__EOF__
if [ "x$debug" != "xyes" ]; then
echo exec guestfsd -f >> initramfs/init.new
else
echo guestfsd >> initramfs/init.new
echo exec bash -i >> initramfs/init.new
fi
@FEBOOTSTRAP_RUN@ initramfs -- install -m 0755 -o root -g root /init.new /init
rm initramfs/init.new
# Generate final image.
@FEBOOTSTRAP_TO_INITRAMFS@ initramfs > $output-t
mv $output-t $output
ls -lh $output
ls -lh $koutput
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