Raphaël G. Git Repositories - distgen/blob - lib/boot.sh

   1 #! /bin/sh -e
   2
   3 # Bind mount /dev
   4 mount --bind /dev ${MOUNTPOINT}/dev
   5
   6 # Bind mount /proc
   7 mount --bind /proc ${MOUNTPOINT}/proc
   8
   9 # Bind mount /sys
  10 mount --bind /sys ${MOUNTPOINT}/sys
  11
  12 # Backup old mtab
  13 mv ${MOUNTPOINT}/etc/mtab ${MOUNTPOINT}/etc/mtab.orig
  14
  15 # Create new mtab
  16 #cat /proc/self/mounts | grep -E '^(/dev/m|devtmpfs)' | perl -pne 's%/media(/?)%$1%' | sort | uniq > /media/etc/mtab
  17 perl -pne "/^(devtmpfs \\/dev|\\/dev\\/(md|dm|mapper))/ || undef \$_; s%${MOUNTPOINT}/?%/%" /proc/self/mounts > ${MOUNTPOINT}/etc/mtab
  18
  19 # Extract last kernel version
  20 KVER=`chroot ${MOUNTPOINT} rpm -qa | perl -pne '/kernel-server-latest/||undef $_;s%^kernel-(server)-latest-([^-]+)-(.+)$%\2-\1-\3%'`
  21
  22 # Retrieve mdboot and mddata uuids
  23 MDBOOTUUID=`mdadm --detail /dev/md/${MDBOOT} | perl -pne '/UUID\s:\s/||undef $_;s/^\s+UUID\s:\s//'`
  24 MDDATAUUID=`mdadm --detail /dev/md/${MDDATA} | perl -pne '/UUID\s:\s/||undef $_;s/^\s+UUID\s:\s//'`
  25
  26 # Regenerate initrd
  27 #XXX: request a non hostonly to get all kernel modules
  28 #XXX: provide devices uuid to have md and luks ready
  29 #XXX: force crypttab presence, mandatory to unlocking
  30 #XXX: you may add ip=dhcp rd.neednet=1 for debug purpose
  31 chroot ${MOUNTPOINT} dracut -f -N --fstab --hostonly-cmdline --kernel-cmdline 'rd.luks.uuid='$LUKSDATAUUID' rd.md.uuid='$MDBOOTUUID' rd.md.uuid='$MDDATAUUID -I /etc/crypttab /boot/initrd-${KVER}.img ${KVER}
  32
  33 # Generate grub config
  34 chroot ${MOUNTPOINT} grub2-mkconfig -o /boot/grub2/grub.cfg
  35
  36 # Install grub
  37 for i in $LOOPB $LOOPA; do
  38         chroot ${MOUNTPOINT} grub2-install $i
  39 done
  40
  41 # Umount dev
  42 umount ${MOUNTPOINT}/sys
  43
  44 # Umount dev
  45 umount ${MOUNTPOINT}/proc
  46
  47 # Umount dev
  48 umount ${MOUNTPOINT}/dev
  49
  50 # Reset mtab
  51 mv -f ${MOUNTPOINT}/etc/mtab.orig ${MOUNTPOINT}/etc/mtab
  52
  53 # Umount mysql
  54 umount ${MOUNTPOINT}/var/lib/mysql
  55
  56 # Umount mail
  57 umount ${MOUNTPOINT}/var/spool/mail
  58
  59 # Umount home
  60 umount ${MOUNTPOINT}/home
  61
  62 # Umount boot
  63 umount ${MOUNTPOINT}/boot