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1 | #!/bin/sh | |
2 | # | |
3 | # cgconfig Control Groups Configuration Startup | |
4 | # chkconfig: 2345 05 95 | |
5 | # description: This script runs the cgconfigparser utility to parse and setup \ | |
6 | # the control group filesystem. It uses /etc/cgconfig.conf \ | |
7 | # and parses the configuration specified in there. | |
8 | ||
9 | # Source function library | |
10 | . /etc/rc.d/init.d/functions | |
11 | ||
12 | # read the config | |
13 | CREATE_DEFAULT=yes | |
14 | [ -f /etc/sysconfig/cgconfig ] && . /etc/sysconfig/cgconfig | |
15 | ||
16 | create_default_groups() { | |
17 | local defaultcgroup controllers | |
18 | if [ -f /etc/cgrules.conf ]; then | |
19 | defaultcgroup=$(awk '/^\*[\t ]+/ { print $3; exit }' /etc/cgrules.conf) | |
20 | if [ -n "$defaultcgroup" -a "$defaultcgroup" = "*" ]; then | |
21 | # nls "/etc/cgrules.conf incorrect. Overriding it" | |
22 | defaultcgroup= | |
23 | fi | |
24 | fi | |
25 | ||
26 | if [ -z $defaultcgroup ]; then | |
27 | defaultcgroup=sysdefault/ | |
28 | fi | |
29 | ||
30 | # | |
31 | # Find all mounted subsystems and create comma-separated list | |
32 | # of controllers. | |
33 | # | |
34 | controllers=$(lssubsys 2>/dev/null | awk '{ if (v) v=v","$0 ; else v=$0 } END { printf "%s", v }') | |
35 | ||
36 | # | |
37 | # Create the default group, ignore errors when the default group | |
38 | # already exists. | |
39 | # | |
40 | cgcreate -f 664 -d 775 -g $controllers:$defaultcgroup 2>/dev/null | |
41 | ||
42 | # | |
43 | # special rule for cpusets | |
44 | # | |
45 | if echo $controllers | grep -q -w cpuset; then | |
46 | local cpus mems | |
47 | cpus=$(cgget -nv -r cpuset.cpus /) | |
48 | cgset -r cpuset.cpus=$cpus $defaultcgroup | |
49 | mems=$(cgget -nv -r cpuset.mems /) | |
50 | cgset -r cpuset.mems=$mems $defaultcgroup | |
51 | fi | |
52 | ||
53 | # | |
54 | # Classify everything to default cgroup. Ignore errors, some processes | |
55 | # may exit after ps is run and before cgclassify moves them. | |
56 | # | |
57 | cgclassify -g $controllers:$defaultcgroup $(ps --no-headers -eL o tid) 2>/dev/null || : | |
58 | } | |
59 | ||
60 | start() { | |
61 | # Check if the service is already running? | |
62 | if [ -f /var/lock/subsys/cgconfig ]; then | |
63 | msg_already_running "cgconfig" | |
64 | return | |
65 | fi | |
66 | if [ ! -s /etc/cgconfig.conf ]; then | |
67 | nls "/etc/cgconfig.conf is not configured" | |
68 | RETVAL=6 | |
69 | return | |
70 | fi | |
71 | msg_starting "cgconfig"; busy | |
72 | local out | |
73 | out=$(/sbin/cgconfigparser -l /etc/cgconfig.conf 2>&1) | |
74 | RETVAL=$? | |
75 | if [ $RETVAL -ne 0 ]; then | |
76 | fail | |
77 | [ "$out" ] && echo >&2 "$out" | |
78 | exit $RETVAL | |
79 | fi | |
80 | ||
81 | if is_yes "$CREATE_DEFAULT"; then | |
82 | create_default_groups | |
83 | fi | |
84 | RETVAL=$? | |
85 | [ $RETVAL -eq 0 ] && touch /var/lock/subsys/cgconfig | |
86 | ok | |
87 | } | |
88 | ||
89 | stop() { | |
90 | if [ ! -f /var/lock/subsys/cgconfig ]; then | |
91 | msg_not_running "cgconfig" | |
92 | return | |
93 | fi | |
94 | ||
95 | msg_stopping "cgconfig" | |
96 | cgclear | |
97 | rm -f /var/lock/subsys/cgconfig | |
98 | ok | |
99 | } | |
100 | ||
101 | condrestart() { | |
102 | if [ ! -f /var/lock/subsys/cgconfig ]; then | |
103 | msg_not_running "cgconfig" | |
104 | RETVAL=$1 | |
105 | return | |
106 | fi | |
107 | ||
108 | stop | |
109 | start | |
110 | } | |
111 | ||
112 | RETVAL=0 | |
113 | case "$1" in | |
114 | start) | |
115 | start | |
116 | ;; | |
117 | stop) | |
118 | stop | |
119 | ;; | |
120 | restart) | |
121 | stop | |
122 | start | |
123 | ;; | |
124 | try-restart) | |
125 | condrestart 0 | |
126 | ;; | |
127 | force-reload) | |
128 | condrestart 7 | |
129 | ;; | |
130 | status) | |
131 | if [ -f /var/lock/subsys/cgconfig ] ; then | |
132 | echo "Running" | |
133 | exit 0 | |
134 | else | |
135 | echo "Stopped" | |
136 | exit 3 | |
137 | fi | |
138 | ;; | |
139 | *) | |
140 | msg_usage "$0 {start|stop|restart|try-restart|force-reload|status}" | |
141 | exit 3 | |
142 | ;; | |
143 | esac | |
144 | ||
145 | exit $RETVAL |