1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
#!/bin/ash
# 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
#############################################################################
# Mount point for persistent scratch partition (type 45)
MOUNT_POINT_45="/opt/openslx/persistent"
PARTITION_FILE="/run/openslx/partitions"
readonly MOUNT_POINT_45 PARTITION_FILE
mkdir -p "/run/openslx"
# General formatter for the /tmp partition on a local harddisk
format_disk () {
MOUNT_OPTIONS_SET_BY_FORMAT_DISK="" # Global var!
local target="$1"
local fslist="xfs jfs ext3 ext2 ext4"
local fs
local path
[ $# -ge 2 ] && fslist="$2"
for fs in $fslist ; do
if grep -q "\\b${fs}\\b" "/proc/filesystems"; then
# Filesystem already supported by running kernel
:
elif modprobe "${fs}"; then
# Filesystem module could be loaded and should be supported now
:
else
# Not supported, try next one
continue
fi
if which "mkfs.$fs" ; then
case "$fs" in
xfs)
fopt="-f -b size=4k -s size=4k -l size=512b" # fastest formatting possible :)
MOUNT_OPTIONS_SET_BY_FORMAT_DISK="-o noexec"
;;
ext2)
fopt="-Fq"
MOUNT_OPTIONS_SET_BY_FORMAT_DISK="-o nocheck,noexec"
;;
ext3|ext4)
fopt="-Fq"
MOUNT_OPTIONS_SET_BY_FORMAT_DISK="-o noexec"
;;
reiserfs)
fopt="-f"
MOUNT_OPTIONS_SET_BY_FORMAT_DISK="-o noexec"
;;
jfs)
fopt="-q"
MOUNT_OPTIONS_SET_BY_FORMAT_DISK="-o noexec"
;;
*)
fopt=
MOUNT_OPTIONS_SET_BY_FORMAT_DISK=
;;
esac
mkfs.$fs ${fopt} "${target}" && return 0 # Success!
fi
done
return 1
}
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 $@ /tmp || return 1
chmod a+rwxt /tmp
mv /tmptmp/* /tmptmp/.* /tmp/
rmdir /tmptmp
return 0
}
fdisk -l | grep '^/dev/' > "$PARTITION_FILE"
if [ ! -s "$PARTITION_FILE" ]; then
udevadm trigger
sleep 3
udevadm settle
fdisk -l | grep '^/dev/' > "$PARTITION_FILE"
fi
echo "Partitions:"
cat "$PARTITION_FILE"
# Get all partitions with given id (list of /dev/sdXX)
get_all_with_id () {
[ -z "$1" ] && return
local ID=$1
awk '{if (($2 == "*" && $6 == "'$ID'") || ($2 != "*" && $5 == "'$ID'")) print $1}' "$PARTITION_FILE" # watch out for non-spaced '$ID'
}
# Check for standard swap partitions and make them available to the system
HAVE_SWAP=no
for PART_DEV in $(get_all_with_id 82); do
echo -e "$PART_DEV\tswap\t\tswap\t\tdefaults\t 0 0" >> "/etc/fstab"
swapon "$PART_DEV" -p 10 && HAVE_SWAP=yes # low priority, in case we have zram swap, prefer that)
done
# We use special non assigned partition type (id44) for harddisk scratch
# space, thus no normal filesystem will be incidentally deleted or
# corrupted
HAVE_TEMP=no
for PART_DEV in $(get_all_with_id 44); do
# check for supported filesystem and formatter
if format_disk "$PART_DEV"; then
# echo "$PART_DEV is mounted to /mnt/tmp at $(sysup)" >/tmp/tmpready
mount_temp "$MOUNT_OPTIONS_SET_BY_FORMAT_DISK" "$PART_DEV" || continue
echo -e "${PART_DEV}\t/tmp\t\tauto\t\tnoexec\t 0 0" >> "/etc/fstab"
HAVE_TEMP=yes
break
else
echo "formatting failed for some reason"
fi # Made this non-forking, systemd should handle it - 2013-05-28
done
# Put detected linux partitions (83) into /etc/fstab with "noauto"
HAVE_PARTITION_45=no
for PART_DEV in $(get_all_with_id 83); do
mkdir -p "/media/${PART_DEV#/dev/*}"
echo -e "${PART_DEV}\t/media/${PART_DEV#/dev/*}\tauto\t\tnoauto,noexec\t 0 0" >> "/etc/fstab"
done
# special partition 45 (persistent scratch) to $MOUNT_POINT_45
for PART_DEV in $(get_all_with_id 45); do
mkdir -p "$MOUNT_POINT_45"
if ! mount -t auto -o noexec "${PART_DEV}" "$MOUNT_POINT_45"; then
format_disk "$PART_DEV" "ext4 xfs jfs ext3" || continue
mount -t auto -o noexec "${PART_DEV}" "$MOUNT_POINT_45" || continue
fi
echo -e "${PART_DEV}\t${MOUNT_POINT_45}\tauto\t\tnoauto,noexec\t\t 0 0" >> "/etc/fstab"
HAVE_PARTITION_45=yes
break
done
# and 46 to /media/devXX
for PART_DEV in $(get_all_with_id 46); do
mkdir -p "/media/${PART_DEV#/dev/*}"
#mount -t auto ${PART_DEV} /mnt/media/${PART_DEV#/dev/*} \n\
#test -d /mnt/media/${PART_DEV#/dev/*}/home && \
# ln -sf /media/${PART_DEV#/dev/*} /var/home
echo -e "${PART_DEV}\t/media/${PART_DEV#/dev/*}\tauto\t\tnoauto\t\t 0 0" >> "/etc/fstab"
done
if [ "$HAVE_PARTITION_45" = "no" ] && [ -d "$MOUNT_POINT_45" ]; then
rm -f -- "$MOUNT_POINT_45"
fi
mount -a
# Make tmpfs if nothing could be mounted for /tmp
# 2016-10-12: Use a sane size of 66% which should be generous enough and prevent the machine from
# just crashing if RAM is too full. We previously hugely oversized since vmware wants at least as
# much free space as the VMs RAM; however, this requirement can be disabled with a vmx setting,
# which we're now doing.
if [ "$HAVE_TEMP" = "no" ]; then
mount_temp -t tmpfs -o size=66% none
slxlog "partition-temp" "Running /tmp on tmpfs only!" "$PARTITION_FILE"
fi
if [ "$HAVE_SWAP" = "no" ]; then
TOTAL_RAM=$(grep ^MemTotal /proc/meminfo | awk '{print $2}')
if [ -n "$TOTAL_RAM" ] && [ "$TOTAL_RAM" -lt "3000000" ]; then
slxlog "partition-swap" "Have no (formatted) swap partition, using zram swap only!" "$PARTITION_FILE"
fi
fi
exit 0
|
