src/initscripts/system/partresize

   1 #!/bin/sh
   2 ########################################################################
   3 # Begin $rc_base/init.d/partresize
   4 #
   5 # Description : Resize the root partition to the drivesize
   6 #
   7 # Authors     : Arne Fitzenreiter - arne_f@ipfire.org
   8 #
   9 # Version     : 1.04
  10 #
  11 # Notes       :
  12 #
  13 ########################################################################
  14
  15 . /etc/sysconfig/rc
  16 . ${rc_functions}
  17
  18 case "${1}" in
  19         start)
  20                 if [ -e "/.partresize" ]; then
  21
  22                         boot_mesg "Mounting root file system in read/write mode ..."
  23                         mount -o remount,rw / > /dev/null
  24                         evaluate_retval
  25
  26                         boot_mesg "Create /etc/mtab..."
  27                         > /etc/mtab
  28                         mount -f / || failed=1
  29                         (exit ${failed})
  30                         evaluate_retval
  31
  32                         mount /boot > /dev/null
  33                         if [ -e /boot/grub/grub.cfg ]; then
  34                                 # swtich permanent to serial console if it was selected on first boot
  35                                 if [ ! "$(grep "console=ttyS0" /proc/cmdline)" == "" ]; then
  36                                         # Enable also serial console on GRUB
  37                                         echo "GRUB_TERMINAL=\"serial console\"" >> /etc/default/grub
  38                                         echo "GRUB_SERIAL_COMMAND=\"serial --unit=0 --speed=115200\"" >> /etc/default/grub
  39                                         sed -i -e "s|panic=10|& console=ttyS0,115200n8|g" /etc/default/grub
  40                                 fi
  41
  42                                 # Re-generate GRUB configuration
  43                                 /usr/sbin/grub-mkconfig -o /boot/grub/grub.cfg
  44                         fi
  45                         umount /boot > /dev/null
  46
  47                         # Detect device
  48                         mount | while read -r dev tmp1 mountpoint tmp2; do
  49                                 [ "${dev}" = "rootfs" ] && continue
  50
  51                                 if [ "${mountpoint}" = "/" ]; then
  52                                         # Find root partition number
  53                                         part_num="${dev: -1}"
  54
  55                                         # Find path to the root device
  56                                         root_dev="${dev::-1}"
  57                                         if [ ! -b "${dev::-1}" -a "${root_dev: -1}" = "p" ]; then
  58                                                 root_dev="${dev::-2}"
  59                                         fi
  60
  61                                         boot_mesg "Growing root partition to maximum size..."
  62                                         echo -e ',+' | sfdisk --no-reread -f -N${part_num} "${root_dev}" 2>/dev/null
  63
  64                                         # Update c,h,s values of the boot partition...
  65                                         if [ ${part_num} -ne 1 -a -b "${root_dev}1" ]; then
  66                                                 echo -e ',' | sfdisk --no-reread -f -N1 ${DRV} &> /dev/null
  67                                         fi
  68
  69                                         # The filesystem should be resized after
  70                                         # this operation
  71                                         touch /.resizefs
  72
  73                                         # Remove marker
  74                                         rm -f /.partresize
  75
  76                                         # Reboot
  77                                         boot_mesg "Rebooting system..."
  78                                         mount -o remount,ro / &>/dev/null
  79                                         sleep 15
  80                                         reboot -f
  81                                 fi
  82                         done
  83                 fi
  84                 ;;
  85         *)
  86                 echo "Usage: ${0} {start}"
  87                 exit 1
  88                 ;;
  89 esac
  90
  91 # End $rc_base/init.d/partresize