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@eternnoir
Created November 29, 2013 08:58
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/etc/init.d/vmware
#!/usr/bin/env bash
#
# Copyright 1998-2008 VMware, Inc. All rights reserved.
#
# This script manages the services needed to run VMware software.
#
# VMWARE_INIT_INFO
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 "$vmci"
fi
vmware_rm_stale_node "$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 "$vsock"
fi
vmware_rm_stale_node "$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 "$vsock"
fi
rm -f /dev/vsock
}
isVsockNeeded() {
if [ "$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
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