lxc-stop-vm

#!/bin/sh

# Note: assuming uid==0 is root -- might break with userns??
if [ "$(id -u)" != "0" ]; then
        echo "This script should be run as 'root'"
        exit 1
fi

function usage() {
cat << EOF
Usage:
	$0 -n <container-name>		stop the container with shutdown agent
EOF
exit 1
}

container=""

while getopts ":n:" opt; do
  case $opt in
    n)
      container=$OPTARG
      ;;
    \?)
      echo "Invalid option: -$OPTARG" >&2
      usage
      ;;
    :)
      echo "Option -$OPTARG requires an argument." >&2
      usage
      ;;
  esac
done

[[ ${container} == "" ]] && usage
retcode=0

typeset -i PID=0
lxc-ps -C init -opid | while read mycontainer PID ;do
	[[ $PID -gt 1 ]] || continue
	[[ "$mycontainer" != "$container" ]] && continue
	/usr/bin/logger -t LXC-STOP "[${container}] Sending PWR signal to PID: ${PID}."
	kill -PWR $PID
	/usr/bin/logger -t LXC-STOP "[${container}] Waiting for container to stop."
	lxc-wait --name=${container} --state=STOPPED
	exit 1
done

found=$?
[[ ${found} -ne 1 ]] && echo "Container ${container} not found !" && retcode=1

exit ${retcode}