etc/rc.d/vkernel

   1 #!/bin/sh
   2 #
   3
   4 # PROVIDE: vkernel
   5 # REQUIRE: LOGIN NETWORKING
   6
   7 . /etc/rc.subr
   8
   9 name="vkernel"
  10 rcvar=`set_rcvar`
  11 start_cmd="vkernel_start"
  12 stop_cmd="vkernel_stop"
  13
  14 vkernel_start()
  15 {
  16         echo -n 'Starting virtual kernels:'
  17         for _vkernel in ${vkernel_list}
  18         do
  19                 # Check if already running
  20                 eval pidfile="/var/run/vkernel.${_vkernel}.pid"
  21                 if [ -f "${pidfile}" ]; then
  22                         eval pid=`cat ${pidfile}`
  23                         if [ ! -z "${pid}" -a ! -z "`ps axwwp ${pid} | grep -wE "^[ ]*${pid}" | grep -v grep | awk '{print $1}'`" ]; then
  24                                 echo
  25                                 warn "Vkernel ${_vkernel} already running? (check ${pidfile})"
  26                                 continue
  27                         fi
  28                 fi
  29
  30                 # Configure vkernel binary
  31                 eval _bin=\"\${vkernel_${_vkernel}_bin}\"
  32                 if [ -z "${_bin}" -o ! -x "${_bin}" ]; then
  33                         eval _bin=\"\${vkernel_bin}\"
  34                         if [ -z "${_bin}" -o ! -x "${_bin}" ]; then
  35                                 echo
  36                                 warn "Missing or undefined binary for vkernel '${_vkernel}'. Skipping."
  37                                 continue
  38                         fi
  39                 fi
  40                 bin=${_bin}
  41
  42                 # Configure vkernel memory
  43                 eval _memsize=\"\$vkernel_${_vkernel}_memsize\"
  44                 if [ -z "${_memsize}" ]; then
  45                         echo
  46                         warn "No memsize has been defined for vkernel '${_vkernel}'. Skipping."
  47                         continue
  48                 else
  49                         memsize="-m ${_memsize}"
  50                 fi
  51
  52                 # Configure vkernel root image(s)
  53                 eval _rootimgs=\"\${vkernel_${_vkernel}_rootimg_list}\"
  54                 if [ -z "${_rootimgs}" ]; then
  55                         echo
  56                         warn "No root image has been defined for vkernel '${_vkernel}'."
  57                 else
  58                         for _rootimg in ${_rootimgs}
  59                         do
  60                                 eval rootimgs=\"${rootimgs} -r ${_rootimg}\"
  61                         done
  62                 fi
  63
  64                 # Configure optional vkernel network interface(s)
  65                 eval _ifaces=\"\${vkernel_${_vkernel}_iface_list}\"
  66                 if [ -n "${_ifaces}" ]; then
  67                         for _iface in ${_ifaces}
  68                         do
  69                                 eval ifaces=\"${ifaces} -I ${_iface}\"
  70                         done
  71                 fi
  72
  73                 # Configure optional console logfile
  74                 eval logfile=\"\${vkernel_${_vkernel}_logfile}\"
  75                 [ -z "${logfile}" ] && logfile="/dev/null"
  76
  77                 # Configure optional flags
  78                 eval flags=\"\${vkernel_${_vkernel}_flags}\"
  79
  80                 eval "daemon ${bin} ${memsize} ${rootimgs} ${ifaces} ${flags} -p ${pidfile} >>${logfile} 2>&1 </dev/null"
  81                 echo -n " ${_vkernel}"
  82         done
  83         echo '.'
  84 }
  85
  86 vkernel_stop()
  87 {
  88         for _vkernel in ${vkernel_list}
  89         do
  90                 eval pidfile="/var/run/vkernel.${_vkernel}.pid"
  91                 if [ -f "${pidfile}" ]; then
  92                         eval pid=`cat ${pidfile}`
  93                 fi
  94                 if [ -z "${pid}" ]; then
  95                         warn "vkernel '${_vkernel}' not running?"
  96                         continue
  97                 fi
  98                 eval kill -TERM ${pid}
  99
 100                 eval _kill_timeout=\"\${vkernel_${_vkernel}_kill_timeout}\"
 101                 if [ -z "${_kill_timeout}" ]; then
 102                         eval _kill_timeout=\"\${vkernel_kill_timeout}\"
 103                         if [ -z "${_kill_timeout}" ]; then
 104                                 _kill_timeout=60
 105                         fi
 106                 fi
 107
 108                 # Check that the vkernel ended properly
 109                 cnt=1
 110                 eval temp_pid=`ps axwwp ${pid} | grep -wE "^[ ]*${pid}" | grep -v grep | awk '{print $1}'`
 111                 while [ ! -z "${temp_pid}" -a "${cnt}" -lt "${_kill_timeout}" ]; do
 112                         eval temp_pid=`ps axwwp ${pid} | grep -wE "^[ ]*${pid}" | grep -v grep | awk '{print $1}'`
 113                         cnt=`expr $cnt + 1`
 114                         sleep 1
 115                 done
 116
 117                 if [ ! -z "${temp_pid}" ]; then
 118                         eval kill -KILL ${pid}
 119                         warn "'${_vkernel}' had to be forcefully killed."
 120                 fi
 121         done
 122 }
 123
 124
 125 load_rc_config $name
 126 run_rc_command "$1"