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|
#!/bin/bash
# Copyright (c) 2013 - OpenSLX GmbH
#
# This program is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your feedback to feedback@openslx.org
#
# General information about OpenSLX can be found under http://openslx.org
#
# Local hard disk autodetection script for OpenSLX linux stateless clients,
# detecting swap and special partitions
#############################################################################
# read global OpenSLX config
. /opt/openslx/config || { echo "Could not source config!"; exit 23; }
# General formatter for the /tmp partition on a local harddisk
diskfm () {
mopt="" # Global var!
local target="$1"
local fslist="xfs jfs ext3 ext2 ext4"
local fs
local path
[ $# -ge 2 ] && fslist="$2"
for fs in $fslist ; do
unset available
case $(cat /proc/filesystems) in
*${fs}*) available=yes;;
*) modprobe "${fs}" && available=yes;;
esac
if [ -n "${available}" ]; then
unset found
if which "mkfs.$fs" ; then
found=yes
case "mkfs.$fs" in
mkfs.xfs)
fopt="-f -b size=4k -s size=4k -l size=512b" # fastest formatting possible :)
mopt="-o noexec"
;;
mkfs.ext2)
fopt="-Fq"
mopt="-o nocheck,noexec"
;;
mkfs.ext3|mkfs.ext4)
fopt="-Fq"
mopt="-o noexec"
;;
mkfs.reiserfs)
fopt="-f"
mopt="-o noexec"
;;
mkfs.jfs)
fopt="-q"
mopt="-o noexec"
;;
esac
mkfs.$fs ${fopt} "${target}"
fi
[ -n "$found" ] && break
fi
done
}
mount_temp () {
local PRE=$(pwd)
if ! cd /tmp; then
mount_temp_fallback $@
return $?
fi
mount $@ /tmp || return 1
chmod a+rwxt /tmp
# Move stuff from working directory, which is old /tmp, to new /tmp just mounted
mv ./* ./.[!.]* ./..?* /tmp/ 2> /dev/null
local OLD=$(LANG=C ls -alh | grep -v -E ' \.\.?$' | grep -v '^total')
[ -n "$OLD" ] && echo -- "Leftovers:" && echo -- "$OLD"
cd "$PRE"
}
mount_temp_fallback () {
mkdir -p /tmptmp
mv /tmp/* /tmp/.* /tmptmp/ 2> /dev/null
mount $@ /tmp || return 1
chmod a+rwxt /tmp
mv /tmptmp/* /tmptmp/.* /tmp/
rmdir /tmptmp
return 0
}
mount_partition() {
local mountpoint="$1"
local partition="$2"
local options="$3"
[[ $options == *persistent* ]] && local persistent="1"
mkdir -p "$mountpoint"
if ! mount -t auto -o noexec "$partition" "$mountpoint" ; then
if [[ $persistent == 1 ]]; then
fsck "$partition" || return $?
mount -t auto -o noexec "$partition" "$mountpoint" || return $?
else
diskfm "$partition" "jfs xfs ext3" || return $?
mount -t auto -o noexec "$partition" "$mountpoint" || return $?
fi
fi
echo -e "${partition}\t${mountpoint}\tauto\t\tnoauto,noexec\t\t 0 0" >> "/etc/fstab"
}
read_partitions() {
# create the /etc/disk.partition file with all the partitions and respective id's (MSDOS and GPT)
echo "PARTITION - ID" > "/etc/disk.partition"
for hd in $(cat /proc/partitions | tr -s ' ' | cut -d ' ' -f5 | grep -o -e "[a-z]*$"); do
echo -n "$hd (" >> "/etc/disk.partition"
sfdisk -d /dev/$hd 2>&1 | grep 'GPT' > /dev/null
if [ $? -eq 1 ]; then
echo "MSDOS)" >> "/etc/disk.partition"
fdisk /dev/$hd -l | sed -n "/^\/dev\//p" | tr -d '*' | tr -s ' ' | cut -d ' ' -f1,5 >> "/etc/disk.partition"
else
echo "GPT)" >> "/etc/disk.partition"
for part in $(cat /proc/partitions | tr -s ' ' | cut -d ' ' -f5 | grep -o -e "$hd[0-9][0-9]*$"); do
LINE="/dev/$part "
LINE=${LINE}$(sgdisk /dev/$hd -i ${part:3} | grep 'GUID code' | cut -d ' ' -f4)
echo -e $LINE >> "/etc/disk.partition"
done
fi
done
echo "Partitions:"
cat "/etc/disk.partition"
}
# default partitions, if not specifies in config (note: size is irrelevant for setup_partitions)
if [ -z "${SLX_PARTITION_TABLE}" ]; then
SLX_PARTITION_TABLE='
44,10G,/tmp
45,10G,/var/scratch,persistent'
fi
for PARTITION in $SLX_PARTITION_TABLE; do
IFS=,
set $PARTITION
id=$1; shift
size=$1; shift
[ -e $1 ] && mountpoint="$1"; shift
[ $# -gt 0 ] && options="$*"
case $id in
44)
HAVE_TEMP="no"
TMP_SIZE=$size
for tmppart in $(grep -e "44$\|44000000-0000-0000-0000-000000000000$" /etc/disk.partition | cut -d ' ' -f1); do
if diskfm "$tmppart"; then
# echo "$tmppart is mounted to /mnt/tmp at $(sysup)" >/tmp/tmpready
mount_temp "$mopt" "$tmppart" || continue
echo -e "${tmppart}\t/tmp\t\tauto\t\tnoexec\t 0 0" >> "/etc/fstab"
HAVE_TEMP="yes"
else
echo "formatting failed for some reason"
fi # Made this non-forking, systemd should handle it - 2013-05-28
done
;;
46)
for openslxpart in $(grep -e "46$\|46000000-0000-0000-0000-000000000000$" /etc/disk.partition | cut -d ' ' -f1); do
mkdir -p "/media/${openslxpart#/dev/*}"
#mount -t auto ${openslxpart} /mnt/media/${openslxpart#/dev/*} \n\
#test -d /mnt/media/${openslxpart#/dev/*}/home && \
#ln -sf /media/${openslxpart#/dev/*} /var/home
echo -e "${openslxpart}\t/media/${openslxpart#/dev/*}\tauto\t\tnoauto\t\t 0 0" >> "/etc/fstab"
done
;;
82)
# Check for standard swap partitions and make them available to the system
HAVE_SWAP=no
for swppart in $(grep -e "82$\|0657FD6D-A4AB-43C4-84E5-0933C84B4F4F$" /etc/disk.partition | cut -d ' ' -f1); do
echo -e "$swppart\tswap\t\tswap\t\tdefaults\t 0 0" >> "/etc/fstab"
swapon "$swppart" -p 10 && HAVE_SWAP=yes # low priority, in case we have zram swap, prefer that)
done
;;
*)
for hdpartnr in $(grep -e "${id}$\|${id}000000-0000-0000-0000-000000000000$" /etc/disk.partition | cut -d ' ' -f1); do
mount_part "${mountpoint}" $hdpartnr $options
if [ $? -ne 0 ]; then
echo "Mount of partition $hdpartnr on ${mountpoint} failed with exit code: $?"
[ -d "${mountpoint}" ] && rm -r "${mountpoint}"
fi
done
;;
esac
done
#Put detected linux partitions (83) into /etc/fstab with "noauto"
for linuxpart in $(grep -e "83$\|0FC63DAF-8483-4772-8E79-3D69D8477DE4$" /etc/disk.partition | cut -d ' ' -f1); do
mountpoint="/media"
mkdir -p "${mountpoint}/${linuxpart#/dev/*}"
echo -e "${linuxpart}\t${mountpoint}/${linuxpart#/dev/*}\tauto\t\tnoauto,noexec\t 0 0" >> "/etc/fstab"
done
mount -a
# Make huge tmpfs if nothing could be mounted for /tmp
if [ "$HAVE_TEMP" = "no" ]; then
mount_temp -t tmpfs -o size=${TMP_SIZE} none
slxlog "partition-temp" "Running /tmp on tmpfs only!" "/etc/disk.partition"
fi
if [ "$HAVE_SWAP" = "no" ]; then
slxlog "partition-swap" "Have no (formatted) swap partition, using zram swap only!" "/etc/disk.partition"
fi
exit 0
|
