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#!/bin/bash
#
# dkms_autoinstaller A service to automatically install DKMS modules
# for new kernels.
# chkconfig: 345 04 04
# description: An autoinstaller bootup service for DKMS
#
### BEGIN INIT INFO
# Provides: dkms
# Default-Start: 3 4 5
# Default-Stop: 0 1 2 6
# Required-Start: $local_fs
# Required-Stop: $local_fs
# Short-Description: Automatically install DKMS modules for new kernels
# Description: A service to automatically install DKMS modules for new kernels.
### END INIT INFO
test -f /usr/sbin/dkms || exit 0
function invoke_command ()
{
local exitval=0
local exitval_file=`mktemp /tmp/dkms.XXXXXX`
[ -z "$verbose" ] && echo -en "$2..." >$output_loc || echo -e "$1" >$output_loc
if [ "$3" == background ] && [ -z "$verbose" ]; then
(eval $1 >/dev/null 2>&1; echo "exitval=$?" >> "$exitval_file") &
while [ -e "$exitval_file" ] && ! [ -s "$exitval_file" ]; do
sleep 3
echo -en "." >$output_loc
done
. "$exitval_file"
else
eval $1; exitval=$?
fi
[ $exitval -gt 0 ] && echo -en "(bad exit status: $exitval)" >$output_loc
rm -f "$exitval_file"
echo -en "\n" >$output_loc
return $exitval
}
# Set Variables
output_loc="/dev/console"
[ -n "$2" ] && kernel=$2 && output_loc="/dev/stdout" || kernel=`uname -r`
kernelver_rpm=`rpm -qf "/lib/modules/$kernel" 2>/dev/null | grep -v "not owned by any package" | grep kernel | head -1`
if ! arch=`rpm -q --queryformat "%{ARCH}" "$kernelver_rpm" 2>/dev/null`; then
[ `uname -m` == "x86_64" ] && [ `cat /proc/cpuinfo | grep -c "Intel"` -gt 0 ] && [ `ls $install_tree/$kernel/build/configs 2>/dev/null | grep -c "ia32e"` -gt 0 ] && arch="ia32e" || arch=`uname -m`
fi
kernel_preparation_done=""
dkms_tree="/var/lib/dkms"
. /etc/dkms/framework.conf 2>/dev/null
# See how we were called.
case "$1" in
start)
echo "" >$output_loc
for filename in `ls "$dkms_tree"`; do
if [ -d "$dkms_tree/$filename" ] && ! [ -h "$dkms_tree/$filename" ]; then
modules_needing_status="$modules_needing_status $filename"
fi
done
# Iterate over the modules
for module_in_tree in $modules_needing_status; do
# Make sure its in the tree
if [ -d "$dkms_tree/$module_in_tree" ]; then
# Determine which versions to show status for
do_autoinstall=""
version_count=0
already_installed=""
already_installed_version=""
for filename in `ls "$dkms_tree/$module_in_tree"`; do
if [ -d "$dkms_tree/$module_in_tree/$filename" ] && ! [ -h "$dkms_tree/$module_in_tree/$filename" ] && [ "$filename" != "original_module" ]; then
version_count=$(($version_count + 1))
version_in_tree="$filename"
# Source in its dkms.conf to see if we should autoinstall
AUTOINSTALL=""
. $dkms_tree/$module_in_tree/$version_in_tree/source/dkms.conf
[ `echo "$AUTOINSTALL" | grep -ic "^y"` -gt 0 ] && do_autoinstall="yes"
# Get the current state
# a mod can be both built and installed-weak (stupid, but could be)
# but installed-weak comes last, so use tail
current_state=`dkms status -m $module_in_tree -v $version_in_tree -k $kernel -a $arch 2>/dev/null | awk {'print $5'} | tail -n 1`
[ "$current_state" == "installed" -o "$current_state" == "installed-weak" ] && already_installed="true" && already_installed_version=$version_in_tree
fi
done
# Based on what we know, either do it or not
if [ -n "$already_installed" ]; then
echo "$module_in_tree ($already_installed_version): Already installed on this kernel." >$output_loc
elif [ -z "$do_autoinstall" ]; then
echo "$module_in_tree ($version_in_tree): AUTOINSTALL not set in its dkms.conf." >$output_loc
elif [ -n "$do_autoinstall" ] && [ "$version_count" -gt 1 ]; then
echo "$module_in_tree: Multiple versions in DKMS. Unsure what to do. Resolve manually." >$output_loc
else
echo "$module_in_tree ($version_in_tree): Installing module." >$output_loc
if [ "$current_state" != "built" ] && ! [ -e /lib/modules/$kernel/build/include ]; then
echo " Kernel source for $kernel not installed. Cannot install this module." >$output_loc
elif [ "$current_state" != "built" ] && [ -e /lib/modules/$kernel/build/include ]; then
return_status=""
if [ -z "$kernel_preparation_done" ]; then
invoke_command "dkms build -m $module_in_tree -v $version_in_tree -k $kernel -a $arch -q --no-clean-kernel >$output_loc" "." background
return_status="$?"
kernel_preparation_done="true"
else
invoke_command "dkms build -m $module_in_tree -v $version_in_tree -k $kernel -a $arch --no-prepare-kernel --no-clean-kernel -q >$output_loc" "." background
return_status="$?"
fi
if [ "$return_status" -eq 0 ]; then
invoke_command "dkms install -m $module_in_tree -v $version_in_tree -k $kernel -a $arch -q >$output_loc" "." background
else
echo " Build failed. Installation skipped." >$output_loc
fi
else
invoke_command "dkms install -m $module_in_tree -v $version_in_tree -k $kernel -a $arch -q >$output_loc" "." background
return_status=$?
if [ "$return_status" -eq 101 ]; then
echo " A newer module version than this already exists in this kernel." >$output_loc
echo " Skipping install... (you can manually install later with --force)" >$output_loc
elif [ "$return_status" -ne 0 ]; then
echo " Installation failed!" >$output_loc
fi
fi
fi
fi
done
;;
stop)
# ignore
;;
restart)
# ignore
;;
force-reload)
# ignore
;;
status)
# ignore
;;
reload)
exit 0
;;
*)
echo $"Usage: $0 {start|stop}"
esac
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