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 ${failed})
  30                         evaluate_retval
  31
  32                         # check if serial console enabled
  33                         scon="off";
  34                         if [ ! "$(grep "console=ttyS0" /proc/cmdline)" == "" ]; then
  35                                 scon="on";
  36                         fi
  37                         IFS= read -r DMI_PRODUCT_NAME < /sys/class/dmi/id/product_name;
  38                         case ${DMI_PRODUCT_NAME} in
  39                                 APU|apu[1-4]|PC\ Engines\ apu[1-4] )
  40                                                 scon="on";
  41                                         ;;
  42                         esac
  43
  44                         # Enable the serial console on all systems on Azure
  45                         if running_on_azure; then
  46                                 scon="on"
  47                         fi
  48
  49                         mount /boot > /dev/null
  50                         if [ -e /boot/grub/grub.cfg ]; then
  51                                 # swtich permanent to serial console if it was selected on first boot
  52                                 if [ "${scon}" = "on" ]; then
  53                                         # Enable also serial console on GRUB
  54                                         echo "GRUB_TERMINAL=\"serial console\"" >> /etc/default/grub
  55                                         echo "GRUB_SERIAL_COMMAND=\"serial --unit=0 --speed=115200\"" >> /etc/default/grub
  56                                         sed -i -e "s|panic=10|& console=ttyS0,115200n8|g" /etc/default/grub
  57                                 fi
  58
  59                                 # Re-generate GRUB configuration
  60                                 /usr/sbin/grub-mkconfig -o /boot/grub/grub.cfg
  61                         fi
  62                         umount /boot > /dev/null
  63
  64                         # Detect device
  65                         mount | while read -r dev tmp1 mountpoint tmp2; do
  66                                 [ "${dev}" = "rootfs" ] && continue
  67
  68                                 if [ "${mountpoint}" = "/" ]; then
  69                                         # Find root partition number
  70                                         part_num="${dev: -1}"
  71
  72                                         # Find path to the root device
  73                                         root_dev="${dev::-1}"
  74                                         if [ ! -b "${dev::-1}" -a "${root_dev: -1}" = "p" ]; then
  75                                                 root_dev="${dev::-2}"
  76                                         fi
  77
  78                                         boot_mesg "Growing root partition to maximum size..."
  79                                         echo -e ',+' | sfdisk --no-reread -f -N${part_num} "${root_dev}" 2>/dev/null
  80
  81                                         # Update c,h,s values of the boot partition...
  82                                         if [ ${part_num} -ne 1 -a -b "${root_dev}1" ]; then
  83                                                 echo -e ',' | sfdisk --no-reread -f -N1 ${DRV} &> /dev/null
  84                                         fi
  85
  86                                         # The filesystem should be resized after
  87                                         # this operation
  88                                         touch /.resizefs
  89
  90                                         # Remove marker
  91                                         rm -f /.partresize
  92
  93                                         # Reboot
  94                                         boot_mesg "Rebooting system..."
  95                                         mount -o remount,ro / &>/dev/null
  96                                         sleep 15
  97                                         reboot -f
  98                                 fi
  99                         done
 100                 fi
 101                 ;;
 102         *)
 103                 echo "Usage: ${0} {start}"
 104                 exit 1
 105                 ;;
 106 esac
 107
 108 # End $rc_base/init.d/partresize