Virtualbox

From Hurlster Wiki
Jump to navigation Jump to search

Start Script

/etc/init.d/vbox-headless 

#! /bin/sh
### BEGIN INIT INFO
# Provides:          vbox-headless
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Start VMs in headless mode.
# Description:       This script runs VMs for the default VirtualBox user in
#                    headless mode. Make sure all VMs are using different RDP
#                    ports.
### END INIT INFO

# Author: Nicolas Tessore <n.tessore@gmail.com>

####
# VirtualBox settings
####

# The user which owns the VMs
VBOX_USER=root

# The list of VMs to run. Leave empty to run all registered VMs.
VBOX_LIST=""

# VirtualBox executables
VBOX_MANAGE=/usr/bin/VBoxManage
#VBOX_HEADLESS=/usr/bin/VBoxHeadless
VBOX_HEADLESS=/usr/lib/virtualbox/VBoxHeadless

####
# End VirtualBox settings
####

# Do NOT "set -e"

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="VirtualBox daemon"
NAME=vbox-headless
DAEMON=$VBOX_HEADLESS
DAEMON_ARGS=""
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions


vm_init_list()
{
   # get registered VMs
   LIST_VMS=`sudo -H -u $VBOX_USER $VBOX_MANAGE --nologo list vms | cut -d ' ' -f 1 | tr -d '"'`
  
   # check for list of VMs
   if [ -z "$VBOX_LIST" ]
   then
      # all registered VMs for user
      VBOX_LIST=$LIST_VMS
   else
      # check that VMs exist
      for VM in $VBOX_LIST
      do
         case $LIST_VMS in
         "$VM")
            continue
            ;;
         *)
            log_failure_msg "ERROR: VM '$VM' is not registered!"
            exit 1
            ;;
         esac
      done
   fi
}

# get uuid for vm
vm_get_uuid()
{
   vm=$1
   hwuuid=`sudo -H -u $VBOX_USER $VBOX_MANAGE --nologo showvminfo --machinereadable "$vm" | grep 'hardwareuuid='`
   echo $hwuuid | cut -d '=' -f 2 | tr -d '"'
}

# control running vm
vm_ctrl()
{
   sudo -H -u $VBOX_USER $VBOX_MANAGE --nologo controlvm $1 $2 > /dev/null 2>&1
}

#
# Function that starts the daemon/service
#
do_start()
{
   vm_init_list
   
   # Return
   #   0 if daemon has been started
   #   1 if daemon was already running
   #   2 if daemon could not be started
   RETVAL=0
   
   # Start all VMs
   for VM in $VBOX_LIST
   do
      VM_UUID=`vm_get_uuid $VM`
      VM_PIDFILE="$PIDFILE.$VM_UUID"
      VM_DAEMON="$DAEMON"
      VM_DAEMON_ARGS="$DAEMON_ARGS --startvm $VM_UUID"
      
      log_action_begin_msg "Starting VM '$VM'"
      
      # test for running VM
      USER=$VBOX_USER LOGNAME=$VBOX_USER start-stop-daemon \
         --start \
         --quiet \
         --pidfile $VM_PIDFILE \
         --startas $VM_DAEMON \
         --test \
         > /dev/null
      
      # VM already running
      if [ "$?" != 0 ]
      then
         # report VM is running
         log_warning_msg "VM '$VM' already running"
         [ "$RETVAL" = 0 ] && RETVAL=1
         continue
      fi
      
      # start VM
      USER=$VBOX_USER LOGNAME=$VBOX_USER start-stop-daemon \
         --start \
         --quiet \
         --pidfile $VM_PIDFILE \
         --make-pidfile \
         --background \
         --chuid $VBOX_USER \
         --startas $VM_DAEMON \
         -- $VM_DAEMON_ARGS
      
      log_action_end_msg "$?"
      
      # check if start failed
      if [ "$?" != 0 ]
      then
         # report error
         log_failure_msg "Error starting VM '$VM'"
         RETVAL=2
      fi
   done
   
   if [ "$RETVAL" -lt 2 ]
   then
      log_daemon_msg "VirtualBox daemon started successfully"
   else
      log_daemon_msg "VirtualBox daemon started with errors"
   fi
   
   return "$RETVAL"
}

#
# Function that stops the daemon/service
#
do_stop()
{
   vm_init_list
   
   # Return
   #   0 if daemon has been stopped
   #   1 if daemon was already stopped
   #   2 if daemon could not be stopped
   #   other if a failure occurred
   RETVAL=0
   
   for VM in $VBOX_LIST
   do
      VM_UUID=`vm_get_uuid $VM`
      VM_PIDFILE="$PIDFILE.$VM_UUID"
      
      log_action_begin_msg "Stopping VM '$VM'"
      
      # try savestate halt
      vm_ctrl $VM savestate
      
      # stop daemon
      USER=$VBOX_USER LOGNAME=$VBOX_USER start-stop-daemon \
         --stop \
         --quiet \
         --retry=TERM/30/KILL/5 \
         --pidfile $VM_PIDFILE
      
      case "$?" in
      0)
         log_action_end_msg 0
         ;;
      1)
         log_warning_msg "VM '$VM' already stopped"
         [ "$RETVAL" = 0 ] && RETVAL=1
         ;;
      2)
         log_action_end_msg 1
         log_failure_msg "ERROR: Could not stop VM '$VM'"
         RETVAL=2
         continue
         ;;
      esac
      
      rm -f $VM_PIDFILE
   done
   
   if [ "$RETVAL" -lt 2 ]
   then
      log_daemon_msg "VirtualBox daemon stopped successfully"
   else
      log_daemon_msg "VirtualBox daemon stopped with errors"
   fi
   
   return "$RETVAL"
}

#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
   #
   # If the daemon can reload its configuration without
   # restarting (for example, when it is sent a SIGHUP),
   # then implement that here.
   #
   start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
   return 0
}

case "$1" in
  start)
   log_daemon_msg "Starting $DESC" "$NAME"
   do_start
   case "$?" in
      0|1) log_end_msg 0 ;;
      2) log_end_msg 1 ;;
   esac
   ;;
  stop)
   log_daemon_msg "Stopping $DESC" "$NAME"
   do_stop
   case "$?" in
      0|1) log_end_msg 0 ;;
      2) log_end_msg 1 ;;
   esac
   ;;
  status)
       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
       ;;
  #reload|force-reload)
   #
   # If do_reload() is not implemented then leave this commented out
   # and leave 'force-reload' as an alias for 'restart'.
   #
   #log_daemon_msg "Reloading $DESC" "$NAME"
   #do_reload
   #log_end_msg $?
   #;;
  restart|force-reload)
   #
   # If the "reload" option is implemented then remove the
   # 'force-reload' alias
   #
   log_daemon_msg "Restarting $DESC" "$NAME"
   do_stop
   case "$?" in
     0|1)
      do_start
      case "$?" in
         0) log_end_msg 0 ;;
         1) log_end_msg 1 ;; # Old process is still running
         *) log_end_msg 1 ;; # Failed to start
      esac
      ;;
     *)
        # Failed to stop
      log_end_msg 1
      ;;
   esac
   ;;
  *)
   #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
   echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
   exit 3
   ;;
esac

:

CENTOS Guest

To lower host CPU processing edit guest /etc/grub.conf and add lines in blue, then reboot. 

# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE:  You have a /boot partition.  This means that
#          all kernel and initrd paths are relative to /boot/, eg.
#          root (hd0,0)
#          kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
#          initrd /initrd-version.img
#boot=/dev/sda
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.18-308.24.1.el5)
        root (hd0,0)
        kernel /vmlinuz-2.6.18-308.24.1.el5 ro root=/dev/VolGroup00/LogVol00 divider=10 clocksource=acpi_pm
        initrd /initrd-2.6.18-308.24.1.el5.img
title CentOS (2.6.18-308.el5)
        root (hd0,0)
        kernel /vmlinuz-2.6.18-308.el5 ro root=/dev/VolGroup00/LogVol00
        initrd /initrd-2.6.18-308.el5.img
Retrieved from "https://hurlster.com/wiki/index.php?title=Virtualbox&oldid=2520"