Subversion Repositories configs

#!/usr/bin/env bash

#

# Copyright 1998-2008 VMware, Inc.  All rights reserved.

#

# This script manages the services needed to run VMware software.

#

# Basic support for IRIX style chkconfig

# chkconfig: 235 19 8

# description: This service starts and stops VMware services

ETCDIR=/etc/vmware

. $ETCDIR/bootstrap

libdir="$LIBDIR"/vmware

. "$libdir"/scripts/util.sh

load_settings "$libdir" || exit 1

VNETLIB_LOG=/var/log/vnetlib

PRODUCT_NAME="VMware VMX"

COMPONENT_NAME="vmware-vmx"

# This comment is a hack to prevent RedHat distributions from outputing

# "Starting <basename of this script>" when running this startup script.

# We just need to write the word daemon followed by a space

# This defines echo_success() and echo_failure() on RedHat

if [ -r "$INITSCRIPTDIR"'/functions' ]; then

   . "$INITSCRIPTDIR"'/functions'

fi

# This defines $rc_done and $rc_failed on S.u.S.E.

if [ -f /etc/rc.config ]; then

   # Don't include the entire file: there could be conflicts

   rc_done=`(. /etc/rc.config; echo "$rc_done")`

   rc_failed=`(. /etc/rc.config; echo "$rc_failed")`

else

   # Make sure the ESC byte is literal: Ash does not support echo -e

   rc_done=' done'

   rc_failed='failed'

fi

subsys=vmware

driver=vmmon

vnet=vmnet

vmblock=vmblock

vmci=vmci

vmci_alias='pci:v000015ADd00000740sv*sd*bc*sc*i*'

vmhgfs=vmhgfs

vsock=vsock

vsock_alias=vmware_vsock

vmciNode=vmci

vsockNode=vsock

# SHM settings

shmmaxPath=/proc/sys/kernel/shmmax

shmmaxMinValue=268435456 # 256MB

#

# Are we running in a VM?

#

vmwareInVM() {

   "$BINDIR"/checkvm >/dev/null 2>&1

}

#

# Report a positive number if there are any VMs running.

# May not be the actual vmmon reference count.

#

vmmonUseCount() {

   local count

   # Beware of module dependencies here. An exact match is important

   count=`/sbin/lsmod | awk 'BEGIN {n = 0} {if ($1 == "'"$driver"'") n = $3} END {print n}'`

   # If CONFIG_MODULE_UNLOAD is not set in the kernel, lsmod prints '-' instead of the

   # reference count, so ask vmrun, or if we don't have vmrun, look for running vmx processes

   if [ x${count} = "x-" ]

   then

      type vmrun > /dev/null 2>&1

      if [ $? -eq 0 ]

      then

         count=`vmrun list | awk 'BEGIN {n=0} /^Total running VMs:/ {n = $4} END {print n}'`

      else

         count=`ps -afe | grep "/bin/vmware-vmx" | grep -v grep | wc -l`

      fi

   fi

   echo $count

}

# Is a given module loaded?

isLoaded() {

   local module="$1"

   /sbin/lsmod | awk 'BEGIN {n = "no";} {if ($1 == "'"$module"'") n = "yes";} END {print n;}'

}

# Build a Linux kernel integer version

kernelVersionInteger() {

   echo $(((($1 * 256) + $2) * 256 + $3))

}

# Get the running kernel integer version

getVersionInteger() {

   local version_uts

   local v1

   local v2

   local v3

   version_uts=`uname -r`

   # There is no double quote around the back-quoted expression on purpose

   # There is no double quote around $version_uts on purpose

   set -- `IFS='.'; echo $version_uts`

   v1="$1"

   v2="$2"

   v3="$3"

   # There is no double quote around the back-quoted expression on purpose

   # There is no double quote around $v3 on purpose

   set -- `IFS='-ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz'; echo $v3`

   v3="$1"

   kernelVersionInteger "$v1" "$v2" "$v3"

}

vmwareLoadModule() {

   /sbin/modprobe "$1" || exit 1

}

vmwareUnloadModule() {

   [ "`isLoaded "$1"`" = 'no' ] && return 0

   # if we ran depmod after removing the modules modprobe -r will not work:

   /sbin/modprobe -r "$1" || /sbin/rmmod $1 || exit 1

}

# Start the virtual machine monitor kernel service

vmwareStartVmmon() {

   vmwareLoadModule $driver

}

# Stop the virtual machine monitor kernel service

vmwareStopVmmon() {

   vmwareUnloadModule $driver

}

# Start the virtual ethernet kernel service

vmwareStartVmnet() {

   vmwareLoadModule $vnet

   "$BINDIR"/vmware-networks --start >> $VNETLIB_LOG 2>&1

}

# Stop the virtual ethernet kernel service

vmwareStopVmnet() {

   "$BINDIR"/vmware-networks --stop >> $VNETLIB_LOG 2>&1

   vmwareUnloadModule $vnet

}

# Returns 0 if networking is enabled, otherwise 1

vmwareIsNetworkingEnabled() {

  [ "$vmdb_NETWORKING" = 'yes' ]

  return

}

vmwareRealModName() {

   # modprobe might be old and not understand the -R option, or

   # there might not be an alias. In both cases we assume

   # that the module is not upstreamed.

   mod=$1

   mod_alias=$2

   modname=$(/sbin/modprobe -R ${mod_alias} 2>/dev/null)

   if [ $? = 0 -a "$modname" != "" ] ; then

	echo $modname

   else

	echo $mod

   fi

}

# Start the virtual machine communication interface kernel service

vmwareStartVmci() {

   mod=$(vmwareRealModName $vmci $vmci_alias)

   # only load vmci if it's not already loaded

   if [ "`isLoaded "$mod"`" = 'no' ]; then

      vmwareLoadModule "$mod"

   fi

   vmware_rm_stale_node "$vmciNode"

   if [ ! -e "/dev/$vmciNode" ]; then

      local minor=`cat /proc/misc | grep $vmciNode | awk '{print $1}'`

      mknod --mode=666 "/dev/$vmciNode" c 10 "$minor"

   else

      chmod 666 "/dev/$vmciNode"

   fi

   return 0

}

# Make sure the system has enough shared memory available to cover shmmaxMinValue.

# To handle overflow/wrapping, check that shmmax is greater than 1 since any overflow

# will make shmmax look negative.  At least until shmmax or shmmaxMinValue wrap around

# again.

vmwareCheckSharedMemory() {

   if [ -f "$shmmaxPath" ]; then

      shmmax=`cat $shmmaxPath`

      # Account for numbers that are too large that they wrap around and alias

      # to a smaller number or they are outright set to -1.  If "1 < XXXX" fails

      # then the XXX value is # out of bounds.  The only acceptable combo is that

      # both values satisfy that condition, else report that the max value the

      # system supports may not satisfy this programs requirements.

      if  ((  $shmmax < 1 )) || (( $shmmaxMinValue < 1 )) \

       || (( $shmmax < $shmmaxMinValue )) ; then

         echo "$shmmaxMinValue" > "$shmmaxPath"

         echo ""

         echo "Setting the max shared memory the system will allow to $shmmaxMinValue."

         echo ""

      fi

   fi

   return 0

}

# Stop the virtual machine communication interface kernel service

vmwareStopVmci() {

   # Hosted now has to interface with Tools.  vmhgfs could possibly be loaded, which

   # will interfere with the removal of vmci.  Only unload it if it's already

   # loaded.

   if [ "`isLoaded "$vmhgfs"`" = 'yes' ]; then

      vmwareUnloadModule "$vmhgfs"

   fi

   mod=$(vmwareRealModName $vmci $vmci_alias)

   # only unload vmci if it's already loaded

   if [ "`isLoaded "${mod}"`" = 'yes' ]; then

      vmwareUnloadModule "${mod}"

   fi

   rm -f "/dev/$vmciNode"

}

isVmciNeeded() {

   if [ "$vmdb_VMCI_CONFED" = 'yes' ]; then

      echo yes

   else

      echo no

   fi

}

# starts after vmci is loaded

vmwareStartVsock() {

   mod=$(vmwareRealModName $vsock $vsock_alias)

   # only load vsock if it's not already loaded

   if [ "`isLoaded "$mod"`" = 'no' ]; then

      vmwareLoadModule "$mod"

   fi

   vmware_rm_stale_node "$vsockNode"

   # Give udev 5 seconds to create our node

   vmware_delay_for_node "/dev/$vsockNode" 5

   if [ ! -e "/dev/$vsockNode" ]; then

      local minor=`cat /proc/misc | grep $vsockNode | awk '{print $1}'`

      mknod --mode=666 "/dev/$vsockNode" c 10 "$minor"

   else

      chmod 666 "/dev/$vsockNode"

   fi

   return 0

}

# unloads before vmci

vmwareStopVsock() {

   mod=$(vmwareRealModName $vsock $vsock_alias)

   # only unload vsock if it's already loaded

   if [ "`isLoaded "$mod"`" = 'yes' ]; then

     vmwareUnloadModule "$mod"

   fi

   rm -f /dev/vsock

}

isVsockNeeded() {

   if [ "$vmdb_VSOCK_CONFED" = 'yes' ]; then

      echo yes

   else

      echo no

   fi

}

vmware_start_authdlauncher() {

   vmware_bg_exec "`vmware_product_name` Authentication Daemon" \

      "$SBINDIR/vmware-authdlauncher"

}

vmware_stop_authdlauncher() {

   local launcherpid=`pidof vmware-authdlauncher`

   if [ -n "$launcherpid" ]; then

      vmware_synchrone_kill $launcherpid "TERM"

   fi

}

vmwareService() {

   case "$1" in

      start)

         if vmwareInVM; then

            # Refuse to start services in a VM: they are useless

            exit 1

         fi

         echo 'Starting VMware services:'

         exitcode='0'

         vmware_exec 'Virtual machine monitor' vmwareStartVmmon

         exitcode=$(($exitcode + $?))

         if [ "`isVmciNeeded`" = 'yes' ]; then

            vmware_exec 'Virtual machine communication interface' vmwareStartVmci

            exitcode=$(($exitcode + $?))

         fi

         # vsock needs vmci started first

         if [ "`isVsockNeeded`" = 'yes' ]; then

            vmware_exec 'VM communication interface socket family' vmwareStartVsock

            # a vsock failure to load shouldn't cause the init to fail completely.

         fi

         if [ "`is_vmblock_needed`" = 'yes' ] ; then

            vmware_exec 'Blocking file system' vmware_start_vmblock

            exitcode=$(($exitcode + $?))

         fi

         # Try to load parport_pc.

         /sbin/modprobe parport_pc >/dev/null 2>&1

         if vmwareIsNetworkingEnabled; then

            vmware_exec 'Virtual ethernet' vmwareStartVmnet

            exitcode=$(($exitcode + $?))

         fi

         vmware_exec 'VMware Authentication Daemon' vmware_start_authdlauncher

         if [ "$exitcode" -gt 0 ]; then

            exit 1

         fi

         [ -d /var/lock/subsys ] || mkdir -p /var/lock/subsys

         touch /var/lock/subsys/"$subsys"

         vmware_exec "Shared Memory Available"  vmwareCheckSharedMemory

      ;;

      stop)

         echo 'Stopping VMware services:'

         exitcode='0'

         vmware_exec 'VMware Authentication Daemon' vmware_stop_authdlauncher

         # If the 'K' version of this script is running, the system is

         # stoping services not because the user is running vmware-config.pl

         # or running the initscript directly but because the user wants to

         # shutdown.  Suspend all VMs.

         if [ "`echo $BASENAME | sed -ne '/^K[0-9].vmware/p'`" ] ; then

            if [ -x "$BINDIR"/vmrun ] ; then

               for i in `pidof vmware-vmx` ; do

                  "$BINDIR"/vmrun suspend `ps -p $i -f | \

                       sed -ne '/vmware/s/.* \(\/.*\.vmx\)/\1/p'` 2> /dev/null

               done

            fi

         fi

         if [ "`vmmonUseCount`" -gt 0 ]; then

            echo 'At least one instance of '"$PRODUCT_NAME"' is still running.' 1>&2

            echo 'Please stop all running instances of '"$PRODUCT_NAME"' first.' 1>&2

            echo " " >&2

            # Since we stopped authdlauncher to prevent new connections before disabling

            # any vmxs, need to restart it here to restore the environment back to

            # what it was before this init script ran.

            vmware_exec 'VMware Authentication Daemon' vmware_start_authdlauncher

            # The unconfigurator handle this exit code differently

            exit 2

         fi

         # vmci is used by vsock so the module can't unload until vsock does.

         if [ "`isVsockNeeded`" = 'yes' ]; then

            vmware_exec 'VM communication interface socket family' vmwareStopVsock

            exitcode=$(($exitcode + $?))

         fi

         if [ "`isVmciNeeded`" = 'yes' ]; then

            vmware_exec 'Virtual machine communication interface' vmwareStopVmci

            exitcode=$(($exitcode + $?))

         fi

         vmware_exec 'Virtual machine monitor' vmwareStopVmmon

         exitcode=$(($exitcode + $?))

         if [ "`is_vmblock_needed`" = 'yes' ] ; then

            vmware_exec 'Blocking file system' vmware_stop_vmblock

            exitcode=$(($exitcode + $?))

         fi

         # Try to unload parport_pc. Failure is allowed as it does not

         # exist on kernels 2.0, and some other process could be using

         # it.

         /sbin/modprobe -r parport_pc >/dev/null 2>&1

         if vmwareIsNetworkingEnabled; then

	    vmwareStopVmnet

         fi

         # The vmware and vmware-tray processes don't terminate automatically

         # when the other services are shutdown.  They persist after calling

         # 'init.d/vmware stop' and will happily keep going through an init

         # start command, continuing to minimally function, blissfully ignorant.

         # Time for a buzzkill.

         for i in `pidof vmware vmware-tray` ; do

            vmware_synchrone_kill $i "INT"

         done

         if [ "$exitcode" -gt 0 ]; then

            exit 1

         fi

         rm -f /var/lock/subsys/"$subsys"

      ;;

      status)

         if [ "`vmmonUseCount`" -gt 0 ]; then

            echo 'At least one instance of '"$PRODUCT_NAME"' is still running.'

            echo

            if [ "$2" = "vmcount" ]; then

               exit 2

            fi

         fi

         if [ "$2" = "vmcount" ]; then

               exit 0

         fi

         exitcode='0'

         echo -n "Module $driver "

         [ "`isLoaded "$driver"`" = 'yes' ] && echo loaded || echo "not loaded"

         if vmwareIsNetworkingEnabled; then

            echo -n "Module $vnet "

            [ "`isLoaded "$vnet"`" = 'yes' ] && echo loaded || echo "not loaded"

         fi

         if [ "$exitcode" -gt 0 ]; then

            exit 1

         fi

      ;;

      restart)

         "$SCRIPTNAME" stop && "$SCRIPTNAME" start

      ;;

      # Called to make sure script is in a runnable state.

      validate)

         exit 100

      ;;

      stoppable)

	 [ "`vmmonUseCount`" -lt 1 ]

	 exit

      ;;

      *)

         echo "Usage: "$BASENAME" {start|stop|status|restart|stoppable}"

         exit 1

   esac

}

SCRIPTNAME="$0"

BASENAME=`basename "$SCRIPTNAME"`

# Check permissions

if [ "`id -ur`" != '0' ]; then

   echo 'Error: you must be root.'

   echo

   exit 1

fi

vmwareService "$1"

exit 0