Files
cgproxy/run_in_cgroup.sh
2020-04-22 20:07:10 +08:00

51 lines
833 B
Bash

#!/bin/bash
print_help(){
cat << 'DOC'
usage:
run_in_cgroup --cgroup=CGROUP <COMMAND>
run_in_cgroup --help
note:
CGROUP must start will slash '/' , and no special character
example:
run_in_cgroup --cggroup=/mycgroup.slice ping 127.0.0.1
DOC
}
## parse parameter
for i in "$@"
do
case $i in
--cgroup=*)
cgroup=${i#*=}
shift
;;
--help)
print_help
exit 0
shift
;;
-*)
shift
;;
*)
break
;;
esac
done
[[ -z "$cgroup" ]] && print_help && exit 1
[[ -z "$@" ]] && print_help && exit 1
# test suid bit
if [ -u "$(which cgattach)" ]; then
cgattach $$ $cgroup && attached=1
else
sudo cgattach $$ $cgroup && attached=1
fi
# test attach success or not
[[ -z "$attached" ]] && print_help && exit 1
exec "$@"