trunk/virtualbox/virtualbox-config.sh

#!/bin/bash
# $Header: /root/magellan-cvs/src/virtualbox/virtualbox-config.sh,v 1.13 2010-06-09 22:29:52 niro Exp $
# Configures virtualbox for Magellan-Linux

LIBDIR=/usr/lib
INSTDIR=${LIBDIR}/virtualbox
VBOXVERSION="$(< ${INSTDIR}/version)"
VBOXMODEXT=ko
VBOXMODULE=vboxdrv
VBOXNETMODULE=vboxnetflt
VBOXNETADPMODULE=vboxnetadp

COLRED="\033[1;6m\033[31m"
COLGREEN="\033[1;6m\033[32m"
COLDEFAULT="\033[0m"

if [[ ${NOCOLORS} = true ]]
then
	COLRED=""
	COLGREEN=""
	COLDEFAULT=""
fi

die() { echo -e "${COLRED}$@${COLDEFAULT}"; exit 1; }
mecho() { echo -e "${COLGREEN}$@${COLDEFAULT}"; }

# must be root
[[ $(id -u) != 0 ]] && die "You must be r00t!"

# check for given argvs
for i in $*
do
	case $1 in
		--kernel-version) shift; KERNEL_VERSION="$1" ;;
		--kernel-sources) shift; KERNEL_SOURCES="$1" ;;
	esac
	shift
done

# some sane defaults
[[ -z ${KERNEL_VERSION} ]] && KERNEL_VERSION="$(uname -r)"
[[ -z ${KERNEL_SOURCES} ]] && KERNEL_SOURCES="/lib/modules/${KERNEL_VERSION}/source"

mecho "Running $(basename $0) for kernelversion ${KERNEL_VERSION} ..."

# check module version an recompile if it doesen't fit else break here
compile="no"
for module in ${VBOXMODULE} ${VBOXNETMODULE} ${VBOXNETADPMODULE}
do
	myver=$(modinfo -k ${KERNEL_VERSION} -F version ${module} | sed "s:\(.*\)_.*:\1:")
	if [[ ${VBOXVERSION} != ${myver} ]]
	then
		compile="yes"
	fi
done

for module in ${VBOXNETADPMODULE} ${VBOXNETMODULE} ${VBOXMODULE}
do
	if [[ -f /lib/modules/${KERNEL_VERSION}/misc/${module}.${VBOXMODEXT} ]]
	then
		# try to unload the modules
		if [[ -n $(grep "${module} " /proc/modules 2> /dev/null) ]]
		then
			mecho "Unloading ${module} module ..."
			modprobe -r ${module}
		fi
	fi
done

if [[ ${compile} = yes ]]
then
	if [ ! -f ${KERNEL_SOURCES}/include/linux/version.h ]
	then
		die "No kernel sources for kernel ${KERNEL_VERSION} found! Aborting."
	fi

	for module in ${VBOXMODULE} ${VBOXNETMODULE} ${VBOXNETADPMODULE}
	do
		if [[ -f /lib/modules/${KERNEL_VERSION}/misc/${module}.${VBOXMODEXT} ]]
		then
			mecho "Removing old ${module} module ..."
			rm -f /lib/modules/${KERNEL_VERSION}/misc/${module}.${VBOXMODEXT}
		fi
	done

	for module in ${VBOXMODULE} ${VBOXNETMODULE} ${VBOXNETADPMODULE}
	do
		# compile the module
		cd ${INSTDIR}/src/${module}
	
		make -C ${KERNEL_SOURCES} SUBDIRS=$(pwd) SRCROOT=$(pwd) clean || die "mod-compile ${module}"

		# need some symver from vboxmodule (must be run after clean!)
		if [[ ${module} = ${VBOXNETMODULE} ]] || [[ ${module} = ${VBOXNETADPMODULE} ]]
		then
			[[ -f ../${VBOXMODULE}/Module.symvers ]] && cp ../${VBOXMODULE}/Module.symvers .
		fi

		make -C ${KERNEL_SOURCES} SUBDIRS=$(pwd) SRCROOT=$(pwd) modules || die "mod-compile ${module}"

		# install the modules
		install -d /lib/modules/${KERNEL_VERSION}/misc
		install -m0644 ${module}.${VBOXMODEXT} /lib/modules/${KERNEL_VERSION}/misc || die "mod-install ${module}"
	done

	# calc module dependencies
	mecho "Calculating module dependencies ..."
	depmod -a ${KERNEL_VERSION}

	# re-read udev rules to grant the right permissions
	if [[ -x $(which udevadm) ]]
	then
		mecho "Reloading udev configuration ..."
		$(which udevadm) control --reload-rules
	fi
fi

# load the module
if [[ x$(uname -r) = x${KERNEL_VERSION} ]]
then
	for module in ${VBOXMODULE} ${VBOXNETMODULE} ${VBOXNETADPMODULE}
	do
		mecho "Loading kernel-module ${module} ..."
		modprobe ${module}
	done

	if [ $(echo ${KERNEL_VERSION%%-*} | sed 's:\.::g') -ge 2631 ]
	then
		# fixes NMI warnings with kernels >=2.6.31:
		# vboxdrv: Warning: 2.6.31+ kernel detected. Most likely the hardware performance
		# vboxdrv: counter framework which can generate NMIs is active.
		mecho "Disabled hardware performance counter NMIs ..."
		echo 2 > /proc/sys/kernel/perf_counter_paranoid
	fi
	if [ $(echo ${KERNEL_VERSION%%-*} | sed 's:\.::g') -ge 2639 ]
	then
		# fixes NMI warnings with kernels >=2.6.31:
		# vboxdrv: Warning: 2.6.31+ kernel detected. Most likely the hardware performance
		# vboxdrv: counter framework which can generate NMIs is active.
		mecho "Disabled hardware performance counter NMIs ..."
		echo 2 > /proc/sys/kernel/perf_event_paranoid
	fi
else
	echo -e ${COLRED}
	echo "Your current running kernel does not match the the module target."
	echo "You must boot into your target kernel and load the modules manually,"
	echo "before you can use virtualbox."
 	echo -en ${COLDEFAULT}
fi

echo
mecho "Virtualbox is now configured for your system."
mecho "Do not forget to add your users to the 'virtualbox' group."
echo

exit 0
1	niro	126	#!/bin/bash
2	niro	1049	# $Header: /root/magellan-cvs/src/virtualbox/virtualbox-config.sh,v 1.13 2010-06-09 22:29:52 niro Exp $
3	niro	126	# Configures virtualbox for Magellan-Linux
4
5			LIBDIR=/usr/lib
6			INSTDIR=${LIBDIR}/virtualbox
7	niro	1049	VBOXVERSION="$(< ${INSTDIR}/version)"
8			VBOXMODEXT=ko
9			VBOXMODULE=vboxdrv
10			VBOXNETMODULE=vboxnetflt
11			VBOXNETADPMODULE=vboxnetadp
12	niro	126
13	niro	129	COLRED="\033[1;6m\033[31m"
14			COLGREEN="\033[1;6m\033[32m"
15			COLDEFAULT="\033[0m"
16
17			if [[ ${NOCOLORS} = true ]]
18	niro	127	then
19	niro	129	COLRED=""
20			COLGREEN=""
21			COLDEFAULT=""
22	niro	127	fi
23
24	niro	129	die() { echo -e "${COLRED}$@${COLDEFAULT}"; exit 1; }
25			mecho() { echo -e "${COLGREEN}$@${COLDEFAULT}"; }
26	niro	126
27	niro	129	# must be root
28			[[ $(id -u) != 0 ]] && die "You must be r00t!"
29
30	niro	229	# check for given argvs
31			for i in $*
32			do
33			case $1 in
34			--kernel-version) shift; KERNEL_VERSION="$1" ;;
35			--kernel-sources) shift; KERNEL_SOURCES="$1" ;;
36			esac
37			shift
38			done
39	niro	129
40	niro	229	# some sane defaults
41			[[ -z ${KERNEL_VERSION} ]] && KERNEL_VERSION="$(uname -r)"
42			[[ -z ${KERNEL_SOURCES} ]] && KERNEL_SOURCES="/lib/modules/${KERNEL_VERSION}/source"
43
44			mecho "Running $(basename $0) for kernelversion ${KERNEL_VERSION} ..."
45
46	niro	1049	# check module version an recompile if it doesen't fit else break here
47			compile="no"
48	niro	861	for module in ${VBOXMODULE} ${VBOXNETMODULE} ${VBOXNETADPMODULE}
49	niro	860	do
50	niro	1049	myver=$(modinfo -k ${KERNEL_VERSION} -F version ${module} \| sed "s:\(.\)_.:\1:")
51			if [[ ${VBOXVERSION} != ${myver} ]]
52	niro	520	then
53	niro	1049	compile="yes"
54			fi
55			done
56
57			for module in ${VBOXNETADPMODULE} ${VBOXNETMODULE} ${VBOXMODULE}
58			do
59			if [[ -f /lib/modules/${KERNEL_VERSION}/misc/${module}.${VBOXMODEXT} ]]
60			then
61	niro	860	# try to unload the modules
62			if [[ -n $(grep "${module} " /proc/modules 2> /dev/null) ]]
63			then
64	niro	1049	mecho "Unloading ${module} module ..."
65			modprobe -r ${module}
66	niro	860	fi
67	niro	520	fi
68	niro	860	done
69	niro	126
70	niro	1049	if [[ ${compile} = yes ]]
71			then
72			if [ ! -f ${KERNEL_SOURCES}/include/linux/version.h ]
73	niro	860	then
74	niro	1049	die "No kernel sources for kernel ${KERNEL_VERSION} found! Aborting."
75	niro	860	fi
76
77	niro	1049	for module in ${VBOXMODULE} ${VBOXNETMODULE} ${VBOXNETADPMODULE}
78			do
79			if [[ -f /lib/modules/${KERNEL_VERSION}/misc/${module}.${VBOXMODEXT} ]]
80			then
81			mecho "Removing old ${module} module ..."
82			rm -f /lib/modules/${KERNEL_VERSION}/misc/${module}.${VBOXMODEXT}
83			fi
84			done
85	niro	860
86	niro	1049	for module in ${VBOXMODULE} ${VBOXNETMODULE} ${VBOXNETADPMODULE}
87			do
88			# compile the module
89			cd ${INSTDIR}/src/${module}
90
91			make -C ${KERNEL_SOURCES} SUBDIRS=$(pwd) SRCROOT=$(pwd) clean \|\| die "mod-compile ${module}"
92	niro	860
93	niro	1049	# need some symver from vboxmodule (must be run after clean!)
94			if [[ ${module} = ${VBOXNETMODULE} ]] \|\| [[ ${module} = ${VBOXNETADPMODULE} ]]
95			then
96			[[ -f ../${VBOXMODULE}/Module.symvers ]] && cp ../${VBOXMODULE}/Module.symvers .
97			fi
98	niro	126
99	niro	1049	make -C ${KERNEL_SOURCES} SUBDIRS=$(pwd) SRCROOT=$(pwd) modules \|\| die "mod-compile ${module}"
100
101			# install the modules
102			install -d /lib/modules/${KERNEL_VERSION}/misc
103			install -m0644 ${module}.${VBOXMODEXT} /lib/modules/${KERNEL_VERSION}/misc \|\| die "mod-install ${module}"
104			done
105
106			# calc module dependencies
107			mecho "Calculating module dependencies ..."
108			depmod -a ${KERNEL_VERSION}
109
110			# re-read udev rules to grant the right permissions
111			if [[ -x $(which udevadm) ]]
112			then
113			mecho "Reloading udev configuration ..."
114			$(which udevadm) control --reload-rules
115			fi
116	niro	129	fi
117
118	niro	126	# load the module
119	niro	230	if [[ x$(uname -r) = x${KERNEL_VERSION} ]]
120	niro	229	then
121	niro	861	for module in ${VBOXMODULE} ${VBOXNETMODULE} ${VBOXNETADPMODULE}
122	niro	860	do
123			mecho "Loading kernel-module ${module} ..."
124	niro	1049	modprobe ${module}
125	niro	860	done
126	niro	988
127			if [ $(echo ${KERNEL_VERSION%%-*} \| sed 's:\.::g') -ge 2631 ]
128			then
129			# fixes NMI warnings with kernels >=2.6.31:
130			# vboxdrv: Warning: 2.6.31+ kernel detected. Most likely the hardware performance
131			# vboxdrv: counter framework which can generate NMIs is active.
132			mecho "Disabled hardware performance counter NMIs ..."
133			echo 2 > /proc/sys/kernel/perf_counter_paranoid
134			fi
135	niro	1379	if [ $(echo ${KERNEL_VERSION%%-*} \| sed 's:\.::g') -ge 2639 ]
136			then
137			# fixes NMI warnings with kernels >=2.6.31:
138			# vboxdrv: Warning: 2.6.31+ kernel detected. Most likely the hardware performance
139			# vboxdrv: counter framework which can generate NMIs is active.
140			mecho "Disabled hardware performance counter NMIs ..."
141			echo 2 > /proc/sys/kernel/perf_event_paranoid
142			fi
143	niro	229	else
144			echo -e ${COLRED}
145			echo "Your current running kernel does not match the the module target."
146	niro	860	echo "You must boot into your target kernel and load the modules manually,"
147	niro	986	echo "before you can use virtualbox."
148	niro	229	echo -en ${COLDEFAULT}
149			fi
150	niro	126
151			echo
152	niro	129	mecho "Virtualbox is now configured for your system."
153	niro	313	mecho "Do not forget to add your users to the 'virtualbox' group."
154	niro	126	echo
155
156			exit 0