X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=make-initramfs.sh.in;h=ec03dc6c9d59a1ff419fe8b584e6e2aae2ad0ef6;hp=c8deae278d7c988146025c8e49944a5e13d4f744;hb=d43dac69483e8ec62e8356d93f761684ce2f5cc8;hpb=863d13ea1aadddc122ad82f4dad20e73231b48f2 diff --git a/make-initramfs.sh.in b/make-initramfs.sh.in index c8deae2..ec03dc6 100755 --- a/make-initramfs.sh.in +++ b/make-initramfs.sh.in @@ -20,64 +20,116 @@ 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 +unset CDPATH + +modules=" +-i augeas-libs +-i bash +-i binutils +-i coreutils +-i dosfstools +-i file +-i grub +-i iputils +-i kernel +-i lvm2 +-i MAKEDEV +-i module-init-tools +-i net-tools +-i ntfs-3g +-i ntfsprogs +-i procps +-i strace +-i util-linux-ng +" # 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 +rm -f $output +rm -f $koutput # Create the basic initramfs. -@FEBOOTSTRAP@ $modules @REPO@ initramfs @MIRROR@ - -# Nuke some stuff. The kernel pulls in plymouth crapola which pulls in +@FEBOOTSTRAP@ $modules -u @UPDATES@ @REPO@ initramfs @MIRROR@ + +# /sysroot is where the guest root filesystem will be mounted. +mkdir initramfs/sysroot +@FEBOOTSTRAP_RUN@ initramfs -- chmod 0777 /sysroot + +# Create /tmp if it is missing. +mkdir -p initramfs/tmp +@FEBOOTSTRAP_RUN@ initramfs -- chmod 0777 /tmp + +# Make a safe 'install_file' function to install files into the +# filesystem. XXX We need a 'febootstrap-install' utility. +# Usage: install_file mode owner[.group] +install_file () +{ + cp "$1" initramfs/"$2" + # Get the inode of the new file and remove it from fakeroot.log. + ino=$(ls -i initramfs/"$2" | awk '{print $1}') + cp initramfs/fakeroot.log fakeroot.log.old + grep -v "ino=$ino," fakeroot.log.old > initramfs/fakeroot.log + rm fakeroot.log.old + # Set mode, owner and group as desired. + @FEBOOTSTRAP_RUN@ initramfs -- chmod "$3" "$2" + @FEBOOTSTRAP_RUN@ initramfs -- chown "$4" "$2" +} + +# 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 +# we don't need many drivers (which take up most of the space). +find initramfs/lib/modules/*/kernel \ + -name '*.ko' \ + -a ! -name 'virtio.ko' \ + -a ! -name 'virtio_net.ko' \ + -a ! -name 'virtio_pci.ko' \ + -a ! -name 'virtio_ring.ko' \ + -a ! -name 'ext2.ko' \ + -a ! -name 'ext4.ko' \ + -a ! -name 'crc16.ko' \ + -a ! -name 'jbd2.ko' \ + -a ! -name 'fuse.ko' \ + -a ! -name 'vfat.ko' \ + -a ! -name 'fat.ko' \ + -a ! -name 'udf.ko' \ + -a ! -name 'crc_itu_t.ko' \ + -a ! -name 'nls_utf8.ko' \ + -a ! -name 'dm-*.ko' \ + -a -delete # Pull the kernel out into the current directory. We don't want it in # the initramfs image. mv initramfs/boot/vmlinuz* $koutput rm -rf initramfs/boot -# Older versions of febootstrap-minimize didn't remove this, so: -rm -rf initramfs/usr/share/gnome/help - # Minimize the image. @FEBOOTSTRAP_MINIMIZE@ initramfs # Add some missing configuration files. if [ ! -f initramfs/etc/hosts ]; then - cat > initramfs/etc/hosts <<'__EOF__' + cat > hosts.new <<'__EOF__' 127.0.0.1 guestfs localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 __EOF__ + install_file hosts.new /etc/hosts 0644 root.root + rm hosts.new fi if [ ! -f initramfs/etc/fstab ]; then - touch initramfs/etc/fstab + @FEBOOTSTRAP_RUN@ initramfs -- touch /etc/fstab fi -# Copy the daemon into the filesystem. -#cp daemon/guestfsd initramfs/sbin +echo nameserver 10.0.2.3 > resolv.conf.new +install_file resolv.conf.new /etc/resolv.conf 0644 root.root +rm resolv.conf.new # Create the init script. -cat > initramfs/init <<'__EOF__' +cat > init.new <<'__EOF__' #!/bin/sh PATH=/sbin:/usr/sbin:$PATH MAKEDEV mem null port zero core full ram tty console fd \ @@ -85,26 +137,25 @@ MAKEDEV mem null port zero core full ram tty console fd \ mount -t proc /proc /proc mount -t sysfs /sys /sys mount -t devpts -o gid=5,mode=620 /dev/pts /dev/pts -modprobe nfsd +modprobe virtio_pci +modprobe virtio_net +modprobe dm_mod ||: /sbin/ifconfig lo 127.0.0.1 +/sbin/ifconfig eth0 10.0.2.10 +/sbin/route add default gw 10.0.2.2 lvm vgscan --ignorelockingfailure lvm vgchange -ay --ignorelockingfailure -rpcbind -rpc.statd -rpc.nfsd 4 -rpc.mountd +exec guestfsd -f __EOF__ -if [ "x$debug" != "xyes" ]; then - echo exec guestfsd -f >> initramfs/init -else - echo guestfsd >> initramfs/init - echo exec bash -i >> initramfs/init -fi +install_file init.new /init 0755 root.root +rm init.new -chmod +x initramfs/init +# Copy the daemon into the filesystem. +install_file @abs_builddir@/daemon/guestfsd /sbin/guestfsd 0755 root.root # Generate final image. @FEBOOTSTRAP_TO_INITRAMFS@ initramfs > $output-t mv $output-t $output ls -lh $output +ls -lh $koutput