313 lines
8.1 KiB
Bash
313 lines
8.1 KiB
Bash
#!/bin/sh
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PATH=/bin:/usr/bin:/sbin:/usr/sbin
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export PATH
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problem()
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{
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printf "Encountered a problem!\n\nDropping you to a shell.\n\n"
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sh
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}
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no_device()
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{
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printf "The device %s, which is supposed to contain the\n" $1
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printf "root file system, does not exist.\n"
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printf "Please fix this problem and exit this shell.\n\n"
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}
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no_mount()
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{
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printf "Could not mount device %s\n" $1
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printf "Sleeping forever. Please reboot and fix the kernel command line.\n\n"
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printf "Maybe the device is formatted with an unsupported file system?\n\n"
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printf "Or maybe filesystem type autodetection went wrong, in which case\n"
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printf "you should add the rootfstype=... parameter to the kernel command line.\n\n"
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printf "Available partitions:\n"
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}
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do_mount_root()
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{
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[ -n "$rootflags" ] && rootflags="$rootflags,"
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rootflags="$rootflags$ro"
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case "$root" in
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/dev/* ) device=$root ;;
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UUID=* ) eval $root; device="/dev/disk/by-uuid/$UUID" ;;
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LABEL=*) eval $root; device="/dev/disk/by-label/$LABEL" ;;
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"" ) echo "No root device specified." ; problem ;;
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esac
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while [ ! -b "$device" ] ; do
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no_device $device
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problem
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done
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if [ "$rootfstype" != "auto" ]; then
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rootfstype=`print_file_system $device`
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fi
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if [ "$rootfstype" == "no" ]; then
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no_mount $device
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cat /proc/partitions
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while true ; do sleep 10000 ; done
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fi
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[ -z "$overlayroot" ] && mountpoint=/.root || mountpoint=/.roRoot
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mkdir -p $mountpoint
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if ! mount -n -t "$rootfstype" -o "$rootflags" "$device" $mountpoint ; then
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no_mount $device
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cat /proc/partitions
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while true ; do sleep 10000 ; done
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else
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log_info_msg "Mounting root file system ${root} in read-only mode..."
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evaluate_retval
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fi
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if [ -n "$overlayroot" ]; then
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overlaydevice=$overlayroot; # /dev/mapper/<vg>/<lv>
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mkdir -p /mnt/OVL
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if ! mount -n "$overlaydevice" /mnt/OVL; then
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no_mount $overlaydevice
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cat /proc/partitions
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while true ; do sleep 10000 ; done
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else
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log_info_msg "Mounting overlay upper file system ${overlayroot}..."
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evaluate_retval
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fi
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mkdir -p /mnt/OVL/{upper,work}
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if ! mount -n -t overlay -o lowerdir=$mountpoint,upperdir=/mnt/OVL/upper,workdir=/mnt/OVL/work overlayrootfs /.root; then
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no_mount "overlayrootfs"
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cat /proc/partitions
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while true ; do sleep 10000 ; done
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else
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log_info_msg "Mounting overlay root filesystem..."
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evaluate_retval
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fi
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fi
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}
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do_install()
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{
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echo "Start installation on $root "
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umount /.root
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ro="rw"
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mkdir /etc
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ln -s /proc/self/mounts /etc/mtab
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do_mount_root
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for DIR in home proc sys dev srv mnt
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do
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echo -n "."
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if [ ! -d /.root/$DIR ]; then
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mkdir /.root/$DIR
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fi
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done
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echo -n "."
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ln -s lib /.root/lib64
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if [ ! -d /.root/tmp ]; then
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echo -n "."
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mkdir /.root/tmp
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chmod 1777 /.root/tmp
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fi
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for DIR in var run usr etc root lib sbin bin opt
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do
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echo -n "."
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if [ -f /.root/boot/$DIR.squashfs ]; then
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mkdir /DIR
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mount -o loop -t squashfs /.root/boot/$DIR.squashfs /DIR
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cp -a /DIR /.root/$DIR
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umount /DIR
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rm -r /DIR
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if [ "$DIR" == "root" ]; then
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chmod 750 /.root/root
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fi
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fi
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done
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# We need to check if entry exist in /etc/fstab
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if [ "`cat /.root/etc/fstab |sed "s/ \+/ /g"|sed "s/\t\+/ /g"|sed "s/ /:/g"|cut -d ":" -f1-2|grep $root|cut -d ":" -f2`" != "/" ]; then
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# blkid will tell us the file system
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TYPE=`print_file_system $root`
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echo -n "."
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echo "$root / $TYPE defaults 0 1" >> /.root/etc/fstab
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do_stop_udev
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fi
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umount /.root
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ro="ro"
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do_mount_root
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echo "Successfully Installed on device $root"
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}
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do_mount_in_ram()
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{
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# squasfs files are in ${1} on the initrd
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# RW folders
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modprobe squashfs
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modprobe loop
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for DIR in var run etc root
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do
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if [ -f ${1}/$DIR.squashfs ];then
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mkdir /DIR
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[ "$verbose" == "no" ] || echo "mount -o loop -t squashfs ${1}/$DIR.squashfs /DIR"
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mount -o loop -t squashfs ${1}/$DIR.squashfs /DIR || problem
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mkdir -p /$DIR > /dev/null 2>&1
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cp -a /DIR/* /$DIR/ > /dev/null 2>&1
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umount /DIR
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rm -r /DIR
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if [ "$DIR" == "root" ]; then
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chmod 750 /root
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fi
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fi
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done
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# RO folders
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for DIR in usr lib sbin bin opt
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do
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if [ -f ${1}/$DIR.squashfs ];then
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mkdir /$DIR > /dev/null 2>&1
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[ "$verbose" == "no" ] || echo "mount -o loop -t squashfs ${1}/$DIR.squashfs /$DIR"
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mount -o loop -t squashfs ${1}/$DIR.squashfs /$DIR || problem
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fi
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done
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}
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find_media() {
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EXPECT_LABEL="nutyxcd"
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for SYS in /sys/block/sd* /sys/block/sr* ; do
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[ "$verbose" == "no" ] || echo "Looking in $SYS for media"
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if [ ! -d "$SYS" ]; then continue; fi
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DEV=/dev/${SYS##*/}
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LABEL=`dd if=$DEV bs=1 skip=32808 count=32 2>/dev/null`
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if [ ${LABEL} == ${EXPECT_LABEL} ] 2>/dev/null ; then
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ln -s $DEV /dev/nutyx-cd
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mkdir -p /media/cdrom 2>/dev/null
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[ "$verbose" == "no" ] || echo "mount -n /dev/nutyx-cd /media/cdrom"
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mount -n /dev/nutyx-cd /media/cdrom
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[ -d /media/cdrom/depot ] && echo $DEV > /tmp/depot
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break
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fi
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done
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}
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MainLoop(){
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while [ ! -f /root/boot ];
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do
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[ "$verbose" == "no" ] || echo "Launch /etc/rc.d/init.d/setup-nutyx ..."
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/etc/rc.d/init.d/setup-nutyx || problem
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done
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}
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# **********
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# Begin here
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# **********
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init=/sbin/init
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overlayroot=
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root=
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rootdelay=
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rootfstype=auto
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ro="ro"
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rootflags=
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device=
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verbose="no"
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. /lib/lsb/init-functions
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do_mount_virtualfs
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read -r cmdline < /proc/cmdline
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for param in $cmdline ; do
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case $param in
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init=* ) init=${param#init=} ;;
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root=* ) root=${param#root=} ;;
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rootdelay=* ) rootdelay=${param#rootdelay=} ;;
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overlayroot=*) overlayroot=${param#overlayroot=} ;;
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rootfstype=* ) rootfstype=${param#rootfstype=} ;;
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rootflags=* ) rootflags=${param#rootflags=} ;;
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ro ) ro="ro" ;;
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rw ) ro="rw" ;;
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quiet ) export verbose="no" ;;
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testiso ) export verbose="yes" ;;
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esac
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done
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if [ -n "$rootdelay" ] && [ -f /sbin/mdadm ]; then
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/sbin/mdadm --auto-detect
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### First we activate lvm if possible
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if [ -f /sbin/lvm ]; then
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/sbin/lvm vgchange --ignorelockingfailure -ay
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if [ $? = 0 ]; then
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/sbin/lvm vgscan --ignorelockingfailure --mknodes
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fi
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fi
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fi
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if [ -d /lib/modules ]; then
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do_start_localnet
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do_start_udev
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fi
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if [ -n "$rootdelay" ] ; then
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[ "$verbose" == "no" ] || echo "... wait $rootdelay seconds"
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sleep "$rootdelay"
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fi
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if [ "$root" == "" ]; then
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if [ ! -f /etc/rc.d/init.d/setup-nutyx ]; then
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find_media
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if [ ! -L /dev/nutyx-cd ]; then
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[ "$verbose" == "no" ] || echo "Media not found yet, trying again in 5 sec"
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sleep 5
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find_media
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fi
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if [ -d /media/cdrom/isolinux/boot ]; then
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do_mount_in_ram /media/cdrom/isolinux/boot
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else
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do_mount_in_ram /boot
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fi
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else
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do_mount_in_ram /boot
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fi
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if [ ! -f /etc/rc.d/init.d/setup-nutyx ]; then
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no_mount
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sh
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else
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if [ "$verbose" == "yes" ]; then
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echo "/etc/rc.d/init.d/setup-nutyx exit ..."
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ls -lt /etc/rc.d/init.d/setup-nutyx
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fi
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fi
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# TODO This doesn't works FIXME
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[ "$verbose" == "no" ] || echo "Stop udev ..."
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do_stop_udev
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[ "$verbose" == "no" ] || echo "Start udev ..."
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do_start_udev
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[ "$verbose" == "no" ] || echo "Wait 5 second ..."
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[ "$verbose" == "no" ] || sleep 5
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[ "$verbose" == "no" ] && clear
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MainLoop
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root=`cat /root/boot`
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[ "$verbose" == "no" ] || echo "Stop udev ..."
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do_stop_udev
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killall -w /sbin/udevd
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for DIR in usr lib sbin bin opt
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do
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[ "$verbose" == "no" ] || echo "umount /$DIR ..."
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umount /$DIR > /dev/null 2>&1
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done
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fi
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mkdir /.root
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do_mount_root
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if ! [ -d /.root/bin -a -d /.root/dev -a -d /.root/etc -a -d /.root/lib \
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-a -d /.root/sbin -a -d /.root/tmp -a -d /.root/root -a -d /.root/proc \
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-a -d /.root/usr -a -d /.root/var -a -d /.root/run -a -d /.root/sys ]; then
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do_install
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fi
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do_stop_udev
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cd /.root
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exec switch_root /.root "$init" "$@" > /dev/null 2>&1
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