X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=make-initramfs.sh.in;h=b6e7820a82f8ea162ba5e9ea410ef4e6391e8d32;hp=ccbb86a4c782463ae1dca57f60f0c2c2197d02b3;hb=ca49c50e06834bbc68e21630a5552c57494f2b53;hpb=a8b84fe17f5df830d3498ecf885e52f0914182dd diff --git a/make-initramfs.sh.in b/make-initramfs.sh.in index ccbb86a..b6e7820 100755 --- a/make-initramfs.sh.in +++ b/make-initramfs.sh.in @@ -20,16 +20,29 @@ 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 +-i zerofree +" # Decide on names for the final output. These have to match Makefile.am. output=initramfs.@REPO@.@host_cpu@.img @@ -38,49 +51,77 @@ 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. +@FEBOOTSTRAP_RUN@ initramfs -- mkdir -p --mode=0777 /sysroot + +# Create /tmp if it is missing. +@FEBOOTSTRAP_RUN@ initramfs -- mkdir -p --mode=0777 /tmp # 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 +(cd initramfs && find -name '*plymouth*' -print0) | + xargs -0 @FEBOOTSTRAP_RUN@ initramfs -- rm -rf +(cd initramfs && find -name '*python*' -print0) | + xargs -0 @FEBOOTSTRAP_RUN@ initramfs -- rm -rf + +# In Fedora >= 11, it pulls in all of Perl from somewhere. Nuke from orbit. +@FEBOOTSTRAP_RUN@ initramfs -- rm -rf /usr/lib/perl5 /usr/lib64/perl5 + +# Anaconda? JPEG images? +@FEBOOTSTRAP_RUN@ initramfs -- rm -rf /usr/lib/anaconda-runtime # 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). +(cd initramfs && find 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 -print0 ) | + xargs -0 @FEBOOTSTRAP_RUN@ initramfs -- rm # 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 +cp initramfs/boot/vmlinuz* $koutput +@FEBOOTSTRAP_RUN@ initramfs -- rm -rf boot # Minimize the image. @FEBOOTSTRAP_MINIMIZE@ initramfs # Add some missing configuration files. if [ ! -f initramfs/etc/hosts ]; then - cat > initramfs/etc/hosts.new <<'__EOF__' + cat > hosts.new <<'__EOF__' 127.0.0.1 guestfs localhost.localdomain localhost ::1 localhost6.localdomain6 localhost6 __EOF__ - @FEBOOTSTRAP_RUN@ initramfs -- \ - install -m 0644 -o root -g root /etc/hosts.new /etc/hosts - rm initramfs/etc/hosts.new + @FEBOOTSTRAP_INSTALL@ initramfs hosts.new /etc/hosts 0644 root.root + rm hosts.new fi if [ ! -f initramfs/etc/fstab ]; then @FEBOOTSTRAP_RUN@ initramfs -- touch /etc/fstab fi -echo nameserver 10.0.2.3 > initramfs/etc/resolv.conf.new -@FEBOOTSTRAP_RUN@ initramfs -- \ - install -m 0644 -o root -g root /etc/resolv.conf.new /etc/resolv.conf -rm initramfs/etc/resolv.conf.new +echo nameserver 10.0.2.3 > resolv.conf.new +@FEBOOTSTRAP_INSTALL@ initramfs resolv.conf.new /etc/resolv.conf 0644 root.root +rm resolv.conf.new # Create the init script. -cat > initramfs/init.new <<'__EOF__' +cat > init.new <<'__EOF__' #!/bin/sh PATH=/sbin:/usr/sbin:$PATH MAKEDEV mem null port zero core full ram tty console fd \ @@ -88,33 +129,22 @@ 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 8139cp +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.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 +@FEBOOTSTRAP_INSTALL@ initramfs init.new /init 0755 root.root +rm init.new # Copy the daemon into the filesystem. -cp @abs_builddir@/daemon/guestfsd initramfs/sbin/guestfsd.new -@FEBOOTSTRAP_RUN@ initramfs -- \ - install -m 0755 -o root -g root /sbin/guestfsd.new /sbin/guestfsd -rm initramfs/sbin/guestfsd.new +@FEBOOTSTRAP_INSTALL@ initramfs @abs_builddir@/daemon/guestfsd /sbin/guestfsd 0755 root.root # Generate final image. @FEBOOTSTRAP_TO_INITRAMFS@ initramfs > $output-t