blob: 1c60b86894a18a4671fe200580bba6c8f204dbbb (
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
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
#!/bin/bash
#
# Start/Stop the workload manager
#
# Copyright IBM Corporation. 2008
#
# Authors: Balbir Singh <balbir@linux.vnet.ibm.com>
# This program is free software; you can redistribute it and/or modify it
# under the terms of version 2.1 of the GNU Lesser General Public License
# as published by the Free Software Foundation.
#
# This program is distributed in the hope that it would be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
# cgconfig Control Groups Configuration Startup
# chkconfig: - 5 95
# description: This script runs the cgconfigparser utility to parse and setup
# the control group filesystem. It uses /etc/cgconfig.conf
# and parses the configuration specified in there.
### BEGIN INIT INFO
# Provides: cgconfig
# Required-Start:
# Required-Stop:
# Should-Start:
# Should-Stop:
# Short-Description: start and stop the WLM configuration
# Description: This script allows us to create a default configuration
### END INIT INFO
PATH=/bin:/usr/bin:/sbin:/usr/sbin:.
MOUNTS_FILE=/proc/mounts
PROC_CGROUPS_FILE=/proc/cgroups
CGROUP_FS=cgroup
CONFIG_FILE=/etc/cgconfig.conf
# support multiple mount points
declare -a MOUNTPOINT
declare -a MOUNTOPTS
maxindex=0
servicename=cgconfig
#
# Source LSB routines
#
. /lib/lsb/init-functions
parse_mounts() {
while read name mountpt fs opts other
do
if echo $name | grep -q $CGROUP_FS
then
maxindex=$(($maxindex+1))
MOUNTPOINT[$maxindex]=$mountpt
MOUNTOPTS[$maxindex]=$opts
fi
done < $MOUNTS_FILE
return 0;
}
umount_fs() {
for i in `seq 1 $maxindex`
do
umount ${MOUNTPOINT[$i]}
rmdir ${MOUNTPOINT[$i]}
done
}
start() {
if [ -f /var/lock/subsys/$servicename ]
then
log_warning_msg "lock file already exists"
return
fi
if [ $? -eq 0 ]
then
#log_progress_msg "Starting cgconfig service: "
cgconfigparser -l $CONFIG_FILE
fi
declare defaultcgroup
if [ -f /etc/cgrules.conf ]
then
read user ctrl defaultcgroup <<< \
`grep -m1 ^\* /etc/cgrules.conf`
if [[ -n $defaultcgroup && $defaultcgroup = "*" ]]
then
log_warning_msg "/etc/cgrules.conf incorrect"
log_warning_msg "Overriding it"
defaultcgroup=
fi
fi
if [ -z $defaultcgroup ]
then
defaultcgroup=sysdefault/
fi
#
# Create a default class for tasks to return back to
#
parse_mounts
for i in `seq 1 $maxindex`
do
#
# Ignore if directory already exists
#
mkdir ${MOUNTPOINT[$i]}/$defaultcgroup 2> /dev/null
chmod a+rw ${MOUNTPOINT[$i]}/$defaultcgroup/tasks
#
# special rule for cpusets
#
echo ${MOUNTOPTS[$i]} | grep -q -w cpuset
if [ $? -eq 0 ]
then
cat ${MOUNTPOINT[$i]}/cpuset.cpus > \
${MOUNTPOINT[$i]}/$defaultcgroup/cpuset.cpus
cat ${MOUNTPOINT[$i]}/cpuset.mems > \
${MOUNTPOINT[$i]}/$defaultcgroup/cpuset.mems
fi
#
# classify everything to default cgroup
#
for j in `ps --no-headers -eL o tid`
do
echo $j > ${MOUNTPOINT[$i]}/$defaultcgroup/tasks 2>/dev/null
done
done
touch /var/lock/subsys/$servicename
return $?
}
move_all_to_init_class() {
for i in `seq 1 $maxindex`
do
cd ${MOUNTPOINT[$i]}
cat /proc/mounts | grep -wq ${MOUNTPOINT[$i]}
if [ $? -ne 0 ]
then
log_failure_msg "resource control filesystem not mounted"
exit 1
fi
for i in `find . -depth -type d`
do
case $i in
'.')
;;
*)
class=${i#./*}
#log_progress_msg "Removing class $class"
sed -nu p < ./$i/tasks > tasks
rmdir $i
;;
esac
done
cd - > /dev/null
done
}
stop() {
move_all_to_init_class
umount_fs
rm -f /var/lock/subsys/$servicename
}
trapped() {
#
# Do nothing
#
true
}
usage() {
echo "$0 <start|stop|restart|condrestart|status>"
exit 1
}
common() {
#
# main script work done here
#
trap "trapped ABRT" ABRT
trap "trapped QUIT" QUIT
trap "trapped TERM" TERM
trap "trapped INT" INT
parse_mounts
}
case $1 in
'stop')
common
stop;
;;
'start')
common
start;
;;
'restart')
common
stop
start
;;
'reload')
common
stop
start
;;
'condrestart')
if [ -f /var/lock/subsys/$servicename ] ; then
stop
start
fi
;;
'status')
if [ -f /var/lock/subsys/$servicename ] ; then
echo "Running"
else
echo "Stopped"
fi
;;
*)
usage
;;
esac
|