unconfigured.sh

   1 #!/bin/bash
   2
   3 trap "err_reboot" ERR
   4
   5 parse_cmdline() {
   6     proxdebug=0
   7     # shellcheck disable=SC2013 # per word splitting is wanted here
   8     for par in $(cat /proc/cmdline); do
   9         case $par in
  10             proxdebug)
  11             proxdebug=1
  12             ;;
  13         esac
  14     done;
  15 }
  16
  17 debugsh() {
  18     /bin/bash
  19 }
  20
  21 real_reboot() {
  22     trap - ERR
  23
  24     /etc/init.d/networking stop
  25
  26     # stop udev (release file handles)
  27     /etc/init.d/udev stop
  28
  29     echo -n "Deactivating swap..."
  30     swap=$(awk '/^\/dev\// { print $1 }' /proc/swaps);
  31     if [ -n "$swap" ]; then
  32        swapoff "$swap"
  33     fi
  34     echo "done."
  35
  36     umount -l -n /target >/dev/null 2>&1
  37     umount -l -n /dev
  38     umount -l -n /run
  39     [ -d /sys/firmware/efi/efivars ] && umount -l -n /sys/firmware/efi/efivars
  40     umount -l -n /sys
  41     umount -l -n /proc
  42
  43     exit 0
  44 }
  45
  46 err_reboot() {
  47     echo "\nInstallation aborted - unable to continue (type exit or CTRL-D to reboot)"
  48     debugsh || true
  49     real_reboot
  50 }
  51
  52 echo "Starting Proxmox installation"
  53
  54 PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin
  55
  56 # ensure udev isn't snippy and ignores our request
  57 export SYSTEMD_IGNORE_CHROOT=1
  58
  59 mount -n -t proc proc /proc
  60 mount -n -t sysfs sysfs /sys
  61 if [ -d /sys/firmware/efi ]; then
  62     echo "EFI boot mode detected, mounting efivars filesystem"
  63     mount -n -t efivarfs efivarfs /sys/firmware/efi/efivars
  64 fi
  65 mount -n -t tmpfs tmpfs /run
  66
  67 parse_cmdline
  68
  69 # always load most common input drivers
  70 modprobe -q psmouse || true
  71 modprobe -q sermouse ||  true
  72 modprobe -q usbhid ||  true
  73
  74 # load device mapper - used by lilo
  75 modprobe -q dm_mod || true
  76
  77 echo "Installing additional hardware drivers"
  78 export RUNLEVEL=S
  79 export PREVLEVEL=N
  80 /etc/init.d/udev start
  81
  82 mkdir -p /dev/shm
  83 mount -t tmpfs tmpfs /dev/shm
  84
  85 # allow pseudo terminals for debuggin in X
  86 mkdir -p /dev/pts
  87 mount -vt devpts devpts /dev/pts -o gid=5,mode=620
  88
  89 if [ $proxdebug -ne 0 ]; then
  90     /sbin/agetty -o '-p -- \\u' --noclear tty9 &
  91     echo "Dropping in debug shell inside chroot before starting installation"
  92     echo "type exit or CTRL-D to start installation wizard"
  93     debugsh || true
  94 fi
  95
  96 # set the hostname
  97 hostname proxmox
  98
  99 # try to get ip config with dhcp
 100 echo -n "Attempting to get DHCP leases... "
 101 dhclient -v
 102 echo "done"
 103
 104 echo -n "Starting chrony for opportunistic time-sync... "
 105 chronyd || echo "starting chrony failed"
 106
 107 echo "Starting a root shell on tty3."
 108 setsid /sbin/agetty -a root --noclear tty3 &
 109
 110 xinit -- -dpi 96 >/dev/tty2 2>&1
 111
 112 # just to be sure everything is on disk
 113 sync
 114
 115 if [ $proxdebug -ne 0 ]; then
 116     echo "Debug shell after installation exited (type exit or CTRL-D to reboot)"
 117     debugsh || true
 118 fi
 119
 120 echo "Installation done, rebooting... "
 121
 122 killall5 -15
 123
 124 real_reboot
 125
 126 # never reached
 127 exit 0