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1 #!/bin/sh
2 #
3 # /etc/rc.d/lxc-cgroups: setup lxc cgroups
4 #
5
6 if test ! -f /proc/cgroups
7 then
8 echo 'cgroups are not enabled on this kernel.'
9 exit 1
10 fi
11
12 case $1 in
13 start)
14 # Mount system cgroups.
15 mount -t tmpfs -o nosuid,nodev,noexec,mode=0755 tmpfs /sys/fs/cgroup
16 for i in $(awk '!/^#/{if($4==1){print$1}}' /proc/cgroups)
17 do
18 mkdir /sys/fs/cgroup/$i
19 mount -t cgroup -o nosuid,nodev,noexec,$i cgroup /sys/fs/cgroup/$i
20 done
21 mkdir /sys/fs/cgroup/systemd
22 mount -t cgroup -o nosuid,nodev,noexec,none,name=systemd cgroup /sys/fs/cgroup/systemd
23 mkdir /sys/fs/cgroup/unified
24 mount -t cgroup2 -o nosuid,nodev,noexec cgroup /sys/fs/cgroup/unified
25 mount -o ro,remount /sys/fs/cgroup
26 # Setup user cgroups.
27 if test -f /etc/lxc/lxc-usernet
28 then
29 test -f /sys/fs/cgroup/cpuset/cgroup.clone_children && echo 1 > /sys/fs/cgroup/cpuset/cgroup.clone_children
30 test -f /sys/fs/cgroup/memory/memory.use_hierarchy && echo 1 > /sys/fs/cgroup/memory/memory.use_hierarchy
31 for i in $(awk '!/^#/{if($1!~"@"){print$1}}' /etc/lxc/lxc-usernet)
32 do
33 for j in /sys/fs/cgroup/*
34 do
35 test $j = /sys/fs/cgroup/unified && continue
36 mkdir -m 0755 -p $j/$i
37 chown -R $i $j/$i
38 done
39 done
40 fi
41 ;;
42 stop)
43 umount -R /sys/fs/cgroup
44 ;;
45 restart)
46 $0 stop
47 $0 start
48 ;;
49 *)
50 echo "Usage: $0 [start|stop|restart]"
51 ;;
52 esac
53
54 # End of file
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