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Commit | Line | Data |
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382db189 JR |
1 | #!/bin/sh |
2 | # | |
3 | # cgconfig Control Groups Configuration Startup | |
4 | # chkconfig: - 5 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 | |
18 | ||
19 | if [ -f /etc/cgrules.conf ]; then | |
20 | defaultcgroup=$(awk '/^\*[\t ]+/ { print $3; exit }' /etc/cgrules.conf) | |
21 | if [ -n "$defaultcgroup" -a "$defaultcgroup" = "*" ]; then | |
22 | log_warning_msg "/etc/cgrules.conf incorrect" | |
23 | log_warning_msg "Overriding it" | |
24 | defaultcgroup= | |
25 | fi | |
26 | fi | |
27 | ||
28 | if [ -z $defaultcgroup ]; then | |
29 | defaultcgroup=sysdefault/ | |
30 | fi | |
31 | ||
32 | # | |
33 | # Find all mounted subsystems and create comma-separated list | |
34 | # of controllers. | |
35 | # | |
36 | controllers=`lssubsys 2>/dev/null | tr '\n' ',' | sed s/.$//` | |
37 | ||
38 | # | |
39 | # Create the default group, ignore errors when the default group | |
40 | # already exists. | |
41 | # | |
42 | cgcreate -f 664 -d 775 -g $controllers:$defaultcgroup 2>/dev/null | |
43 | ||
44 | # | |
45 | # special rule for cpusets | |
46 | # | |
47 | if echo $controllers | grep -q -w cpuset; then | |
48 | cpus=`cgget -nv -r cpuset.cpus /` | |
49 | cgset -r cpuset.cpus=$cpus $defaultcgroup | |
50 | mems=`cgget -nv -r cpuset.mems /` | |
51 | cgset -r cpuset.mems=$mems $defaultcgroup | |
52 | fi | |
53 | ||
54 | # | |
55 | # Classify everything to default cgroup. Ignore errors, some processes | |
56 | # may exit after ps is run and before cgclassify moves them. | |
57 | # | |
58 | cgclassify -g $controllers:$defaultcgroup `ps --no-headers -eL o tid` 2>/dev/null || : | |
59 | } | |
60 | ||
61 | start() { | |
62 | # Check if the service is already running? | |
63 | if [ -f /var/lock/subsys/cgconfig ]; then | |
64 | msg_already_running "cgconfig" | |
65 | return | |
66 | fi | |
67 | ||
68 | msg_starting "cgconfig" | |
69 | if [ ! -s /etc/cgconfig.conf ]; then | |
70 | log_failure_msg "/etc/cgconfig.conf is not configured" | |
71 | return 6 | |
72 | fi | |
73 | ||
74 | /sbin/cgconfigparser -l /etc/cgconfig.conf | |
75 | retval=$? | |
76 | if [ $retval -ne 0 ]; then | |
77 | log_failure_msg "Failed to parse /etc/cgconfig.conf" | |
78 | return 1 | |
79 | fi | |
80 | ||
81 | if [ $CREATE_DEFAULT = "yes" ]; then | |
82 | create_default_groups | |
83 | fi | |
84 | ||
85 | touch /var/lock/subsys/cgconfig | |
86 | retval=$? | |
87 | if [ $retval -ne 0 ]; then | |
88 | log_failure_msg "Failed to touch /var/lock/subsys/cgconfig" | |
89 | return 1 | |
90 | fi | |
91 | ok | |
92 | } | |
93 | ||
94 | stop() { | |
95 | if [ -f /var/lock/subsys/cgconfig ]; then | |
96 | msg_stopping "cgconfig" | |
97 | cgclear | |
98 | rm -f /var/lock/subsys/cgconfig | |
99 | ok | |
100 | else | |
101 | msg_not_running "cgconfig" | |
102 | fi | |
103 | } | |
104 | ||
105 | RETVAL=0 | |
106 | ||
107 | case "$1" in | |
108 | start) | |
109 | start | |
110 | ;; | |
111 | stop) | |
112 | stop; | |
113 | ;; | |
114 | restart|reload) | |
115 | stop | |
116 | start | |
117 | ;; | |
118 | condrestart) | |
119 | if [ -f /var/lock/subsys/cgconfig ] ; then | |
120 | stop | |
121 | start | |
122 | fi | |
123 | ;; | |
124 | status) | |
125 | if [ -f /var/lock/subsys/cgconfig ] ; then | |
126 | echo "Running" | |
127 | exit 0 | |
128 | else | |
129 | echo "Stopped" | |
130 | exit 3 | |
131 | fi | |
132 | ;; | |
133 | *) | |
134 | msg_usage "$0 {start|stop|restart|condrestart|status}" | |
135 | exit 3 | |
136 | ;; | |
137 | esac | |
138 | ||
139 | exit $RETVAL |