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Enable serial console on all Azure instances
[ipfire-2.x.git] / src / initscripts / system / partresize
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1#!/bin/sh
2########################################################################
3# Begin $rc_base/init.d/partresize
4#
3e011c27 5# Description : Resize the root partition to the drivesize
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6#
7# Authors : Arne Fitzenreiter - arne_f@ipfire.org
8#
b8101c50 9# Version : 1.04
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10#
11# Notes :
12#
13########################################################################
14
15. /etc/sysconfig/rc
16. ${rc_functions}
17
18case "${1}" in
19 start)
a2454679 20 if [ -e "/.partresize" ]; then
6b566244 21
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22 boot_mesg "Mounting root file system in read/write mode ..."
23 mount -o remount,rw / > /dev/null
24 evaluate_retval
a6d0d790 25
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26 boot_mesg "Create /etc/mtab..."
27 > /etc/mtab
28 mount -f / || failed=1
29 (exit ${failed})
30 evaluate_retval
31
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32 # check if serial console enabled
33 scon="off";
34 if [ ! "$(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 ${DMI_PRODUCT_NAME} in
710153a8 39 APU|apu[1-4]|PC\ Engines\ apu[1-4] )
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40 scon="on";
41 ;;
42 esac
43
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44 # Enable the serial console on all systems on Azure
45 if running_on_azure; then
46 scon="on"
47 fi
48
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49 mount /boot > /dev/null
50 if [ -e /boot/grub/grub.cfg ]; then
51 # swtich permanent to serial console if it was selected on first boot
8f49959d 52 if [ "${scon}" = "on" ]; then
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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
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58
59 # Re-generate GRUB configuration
60 /usr/sbin/grub-mkconfig -o /boot/grub/grub.cfg
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61 fi
62 umount /boot > /dev/null
63
a2454679 64 # Detect device
c0504c5c 65 mount | while read -r dev tmp1 mountpoint tmp2; do
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66 [ "${dev}" = "rootfs" ] && continue
67
68 if [ "${mountpoint}" = "/" ]; then
69 # Find root partition number
70 part_num="${dev: -1}"
a6d0d790 71
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72 # Find path to the root device
73 root_dev="${dev::-1}"
74 if [ ! -b "${dev::-1}" -a "${root_dev: -1}" = "p" ]; then
75 root_dev="${dev::-2}"
76 fi
6450609d 77
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78 boot_mesg "Growing root partition to maximum size..."
79 echo -e ',+' | sfdisk --no-reread -f -N${part_num} "${root_dev}" 2>/dev/null
a6d0d790 80
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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
a6d0d790 85
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86 # The filesystem should be resized after
87 # this operation
88 touch /.resizefs
a6d0d790 89
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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
c0504c5c 99 done
a2454679 100 fi
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101 ;;
102 *)
103 echo "Usage: ${0} {start}"
104 exit 1
105 ;;
106esac
107
108# End $rc_base/init.d/partresize