tools.utils: 76ec73e5f395 kvm/qemu-ga.watcher.sh

1 #!/bin/sh

2 # devel.a0fs.ru -- ncc.mon.kvm.tool:/root/libexec/qemu-ga.watcher.sh -- v0.r202312.1

3 # Запускается через crontab:

4 # */15 * * * * /bin/sh /root/libexec/qemu-ga.watcher.sh

6 export PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin"

8 NAME="qemu-ga"

11 log () {

12 logger -t "qemu-ga.watcher" "$@"

16 check_get_proc () {

17 ps -Ao comm,pcpu | awk -v pname="$NAME" '\

18 BEGIN {buf = 0}; \

19 $1 == pname {if (buf < $2) buf = $2 * 10 } \

20 END {print buf} \

25 check () {

26 [ $(check_get_proc) -ge 800 ]

31 flag="1"

32 echo CHECK

33 if check ; then

34 log -p user.error "qemu agent overload: watching..."

35 cntr=0

37 while [ $cntr -le 100 ] ; do

38 sleep 1

39 cntr=$(( $cntr + 1 ))

41 if ! check ; then

42 flag=""

43 break

45 fi

46 done

48 if [ "$flag" ] ; then

49 log -p user.error "qemu agent overload: restarting"

50 systemctl restart qemu-guest-agent

52 fi

54 } 2>&1 | log

tools.utils