#!/bin/sh

# /etc/rc.d/rc.cgproxy - start/stop the cgroup proxy manager

if [ -f /etc/default/cgproxy ]; then
  # get cgproxy options if specified
  . /etc/default/cgproxy
fi

start_cgproxy() {
  # cgproxy should only run on container unless on older kernel
  if [ -e /proc/self/ns/pid ] && [ "$NESTED" != "yes" ]; then
    echo "Error:  cgproxy should only run inside containers"
    exit 0
  fi
  echo "Starting cgproxy:  /usr/sbin/cgproxy --daemon"
  /usr/sbin/cgproxy --daemon
}

stop_cgproxy() {
  if ps -C cgproxy | grep -q cgproxy 2>/dev/null ; then
    echo "Stopping cgproxy."
    if ! /bin/kill $(cat /run/cgproxy.pid 2>/dev/null) 2>/dev/null ; then
      sleep 1
      echo "Sending cgproxy the TERM signal."
      if ! /usr/bin/pkill -TERM cgproxy ; then
        sleep 5
        echo "Sending cgproxy the KILL signal."
        /usr/bin/pkill -KILL cgproxy
        sleep 5
        if ps -C cgproxy | grep -q cgproxy 2>/dev/null ; then
          echo "Error:  couldn't stop cgproxy."
        fi
      fi
    fi
    rm -f /run/cgproxy.pid
  fi
}

restart_cgproxy() {
  stop_cgproxy
  sleep 1
  start_cgproxy
}

case "$1" in
'start')
  start_cgproxy
  ;;
'stop')
  stop_cgproxy
  ;;
'restart')
  restart_cgproxy
  ;;
*)
  echo "usage $0 start|stop|restart"
esac