blob: 9a32c44ab68fab30d6f8cc5b760c7a245c1ca998 (
plain)
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
194
195
196
197
198
199
200
201
202
203
|
#!/bin/bash
# provides some general-purpose script functions
#
# Copyright (C) 2004 Eric Marchionni, Patrik Rayo
# Zuercher Hochschule Winterthur
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
# for more details.
export TERM=xterm
RED=$(tput setaf 1)
GREEN=$(tput setaf 2)
YELLOW=$(tput setaf 3)
NORMAL=$(tput op)
# exit with given error message
# $1 - error message
die() {
echo -e "${RED}$1${NORMAL}"
exit 1
}
# execute command
# $1 - command to execute
# $2 - whether or not to log command exit status
# (0 -> disable exit status logging)
execute()
{
cmd=${1}
echo $cmd >>$LOGFILE 2>&1
$cmd >>$LOGFILE 2>&1
status=$?
[ "$2" != 0 ] && log_status $status
if [ $status != 0 ]; then
echo
echo "! Command $cmd failed, exiting (status $status)"
echo "! Check why here $LOGFILE"
exit 1
fi
}
# execute command in chroot
# $1 - command to execute
execute_chroot()
{
execute "chroot $LOOPDIR $@"
}
# write green status message to console
# $1 - msg
echo_ok()
{
echo -e "${GREEN}$1${NORMAL}"
}
# write red status message to console
# $1 - msg
echo_failed()
{
echo -e "${RED}$1${NORMAL}"
}
# write yellow status message to console
# $1 - msg
echo_warn()
{
echo -e "${YELLOW}$1${NORMAL}"
}
# log an action
# $1 - current action description
log_action()
{
/bin/echo -n "[....] $1 "
}
# log an action status
# $1 - exit status of action
log_status()
{
tput hpa 0
if [ $1 -eq 0 ]; then
/bin/echo -ne "[${GREEN} ok ${NORMAL}"
else
/bin/echo -ne "[${RED}FAIL${NORMAL}"
fi
echo
}
# the following two functions are stolen from [1]
# [1] - http://www.linuxjournal.com/content/use-bash-trap-statement-cleanup-temporary-files
declare -a on_exit_items
# perform registered actions on exit
on_exit()
{
for ((onex=${#on_exit_items[@]}-1; onex>=0; onex--))
do
echo "On_Exit: ${on_exit_items[$onex]}" >>$LOGFILE
${on_exit_items[$onex]} >>$LOGFILE 2>&1
done
on_exit_items=""
trap - EXIT
}
# register a command to execute when the calling script terminates. The
# registered commands are called in FILO order.
# $* - command to register
do_on_exit()
{
local n=${#on_exit_items[*]}
on_exit_items[$n]="$*"
if [ $n -eq 0 ]; then
trap on_exit EXIT
fi
}
# wait for a mount to disappear
# $1 - device/image to wait for
# $2 - maximum time to wait in seconds, default is 5 seconds
graceful_umount()
{
secs=$2
[ ! $secs ] && secs=5
let steps=$secs*100
for st in `seq 1 $steps`
do
umount $1 >>$LOGFILE 2>&1
mount | grep $1 >/dev/null 2>&1
[ $? -eq 0 ] || return 0
sleep 0.01
done
return 1
}
# load qemu NBD kernel module, if not already loaded
load_qemu_nbd()
{
lsmod | grep ^nbd[[:space:]]* >/dev/null 2>&1
if [ $? != 0 ]
then
log_action "Loading NBD kernel module"
execute "modprobe nbd max_part=16"
fi
}
# check if given commands exist in $PATH
# $* - commands to check
check_commands()
{
for i in $*
do
command -v $i >/dev/null || { die "Required command $i not found"; exit 1; }
done
}
# check if any of the given virtual guests are running
# $* - names of guests to check
running_any()
{
command -v virsh >/dev/null || return 1
for host in $*
do
virsh list --name 2>/dev/null | grep "^$host$" >/dev/null && return 0
done
return 1
}
#############################################
# search and replace strings throughout a
# whole directory
#
function searchandreplace {
SEARCHSTRING="$1"
REPLACESTRING="$2"
DESTDIR="$3"
[ -d "$DESTDIR" ] || die "$DESTDIR is not a directory!"
###########################################
# search and replace in each found file the
# given string
#
for eachfoundfile in `find $DESTDIR -type f`
do
sed -i -e "s/$SEARCHSTRING/$REPLACESTRING/g" "$eachfoundfile"
done
}
|
