X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=make-initramfs.sh.in;h=6ff6e6982302579ab19b1b29fefcbb55a627a4b3;hp=0812edbe734c2dd5595adfb45482d7c495a1d399;hb=8f9f02d483b87c787d089cf9329f5f1b81d3a77e;hpb=fe6820c1bbaec015a883804545362a8c9b6b4583 diff --git a/make-initramfs.sh.in b/make-initramfs.sh.in index 0812edb..6ff6e69 100755 --- a/make-initramfs.sh.in +++ b/make-initramfs.sh.in @@ -20,12 +20,14 @@ set -e +unset CDPATH + # 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" +modules="-i kernel -i bash -i coreutils -i lvm2 -i ntfs-3g -i util-linux-ng -i MAKEDEV -i net-tools -i augeas-libs -i file" if [ "x$debug" = "xyes" ]; then modules="$modules -i module-init-tools -i procps -i strace -i iputils" @@ -34,10 +36,34 @@ 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 +rm -f $output +rm -f $koutput # Create the basic initramfs. -@FEBOOTSTRAP@ $modules @REPO@ initramfs @MIRROR@ +@FEBOOTSTRAP@ $modules -u @UPDATES@ @REPO@ initramfs @MIRROR@ + +# /sysroot is where the guest root filesystem will be mounted. +mkdir initramfs/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" "$2" +} # Nuke some stuff. The kernel pulls mkinitrd and plymouth which pulls in # all of Python. Sheez. @@ -45,10 +71,17 @@ find initramfs -name '*plymouth*' -print0 | xargs -0 rm -rf find initramfs -name '*python*' -print0 | xargs -0 rm -rf # Modules take up nearly half of the image. It's a rough guess that -# we don't need any drivers (which take up most of the space). -# (We need to keep kernel/net/sunrpc for NFS) -rm -rf initramfs/lib/modules/*/kernel/{drivers,sound} -rm -rf initramfs/lib/modules/*/kernel/arch/x86/kvm +# we don't need many drivers (which take up most of the space). +find initramfs/lib/modules/*/kernel \ + -name '*.ko' \ + -a ! -name 'mii.ko' \ + -a ! -name '8139cp.ko' \ + -a ! -name 'ext2.ko' \ + -a ! -name 'ext4.ko' \ + -a ! -name 'crc16.ko' \ + -a ! -name 'jbd2.ko' \ + -a ! -name 'fuse.ko' \ + -a -delete # Pull the kernel out into the current directory. We don't want it in # the initramfs image. @@ -60,24 +93,24 @@ rm -rf initramfs/boot # Add some missing configuration files. if [ ! -f initramfs/etc/hosts ]; then - cat > initramfs/etc/hosts.new <<'__EOF__' + cat > hosts.new <<'__EOF__' 127.0.0.1 guestfs localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 __EOF__ - @FEBOOTSTRAP_RUN@ initramfs -- \ - install -m 0644 -o root -g root /etc/hosts.new /etc/hosts - rm initramfs/etc/hosts.new + install_file hosts.new /etc/hosts 0644 root.root + rm hosts.new fi if [ ! -f initramfs/etc/fstab ]; then @FEBOOTSTRAP_RUN@ initramfs -- touch /etc/fstab fi -# Copy the daemon into the filesystem. -#cp daemon/guestfsd initramfs/sbin +echo nameserver 10.0.2.3 > resolv.conf.new +install_file resolv.conf.new /etc/resolv.conf 0644 root.root +rm resolv.conf.new # Create the init script. -cat > initramfs/init.new <<'__EOF__' +cat > init.new <<'__EOF__' #!/bin/sh PATH=/sbin:/usr/sbin:$PATH MAKEDEV mem null port zero core full ram tty console fd \ @@ -85,25 +118,26 @@ 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 8139cp /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 __EOF__ if [ "x$debug" != "xyes" ]; then - echo exec guestfsd -f >> initramfs/init.new + echo exec guestfsd -f >> init.new else - echo guestfsd >> initramfs/init.new - echo exec bash -i >> initramfs/init.new + echo guestfsd >> init.new + echo exec bash -i >> init.new fi -@FEBOOTSTRAP_RUN@ initramfs -- install -m 0755 -o root -g root /init.new /init -rm initramfs/init.new +install_file init.new /init 0755 root.root +rm init.new + +# 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