~ubuntu-branches/debian/stretch/dkms/stretch

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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: 2 3 4 5
# Default-Stop:
# Required-Start: $local_fs
# Required-Stop:
# Short-Description: Automatically install DKMS modules for new kernels
# Description: A service to automatically install DKMS modules for new kernels.
### END INIT INFO

#use LSB functions for logging on Debian/Ubuntu
if [ -f /lib/lsb/init-functions ]; then
    . /lib/lsb/init-functions
    if [ -f /etc/debian_version ]; then
        DEBIAN_STYLE_LOGGING="yes"
    fi
fi

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="/var/log/dkms_autoinstaller"
[ -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 "$1" in
  start)
        if [ ! -z "$DEBIAN_STYLE_LOGGING" ]; then
            log_daemon_msg "Running DKMS auto installation service for kernel $kernel"
        else
	    echo "Running DKMS auto installation service for kernel $kernel"
	fi
        echo "" >>$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=""
			if [ -f $dkms_tree/$module_in_tree/$version_in_tree/source/dkms.conf ]; then
				. $dkms_tree/$module_in_tree/$version_in_tree/source/dkms.conf
			else
				current_state="broken"
				continue
			fi
			[ `echo "$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

                if [ ! -z "$DEBIAN_STYLE_LOGGING" ]; then
                    log_action_begin_msg " $module_in_tree ($version_in_tree)"
                fi                    

		# Based on what we know, either do it or not
		if [ "$current_state" = "broken" ]; then
                    echo "$module_in_tree ($version_in_tree): Unable to locate $dkms_tree/$module_in_tree/$version_in_tree/source/dkms.conf" >>$output_loc
                    echo -e "\tDKMS tree must be manually fixed." >>$output_loc
                    if [ ! -z "$DEBIAN_STYLE_LOGGING" ]; then
                        log_action_end_msg 1
                    fi
                    continue
		elif [ -n "$already_installed" ]; then
		    echo "$module_in_tree ($already_installed_version): Already installed on this kernel." >>$output_loc
                    if [ ! -z "$DEBIAN_STYLE_LOGGING" ]; then
                        log_action_end_msg 0
                    fi
		elif [ -z "$do_autoinstall" ]; then
		    echo "$module_in_tree ($version_in_tree): AUTOINSTALL not set in its dkms.conf." >>$output_loc
                    if [ ! -z "$DEBIAN_STYLE_LOGGING" ]; then
                        log_action_end_msg 0
                    fi
		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
                    if [ ! -z "$DEBIAN_STYLE_LOGGING" ]; then
                        log_action_end_msg 1
                    fi
		else
		    echo "$module_in_tree ($version_in_tree): Installing module." >>$output_loc
		    if [ "$current_state" != "built" ] && ! [ -e /lib/modules/$kernel/build/include ]; then
			echo "  Kernel headers for $kernel are not installed.  Cannot install this module." >>$output_loc
			echo "  Try installing linux-headers-$kernel or equivalent." >>$output_loc
                        log_action_end_msg 1
		    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
                            if [ ! -z "$DEBIAN_STYLE_LOGGING" ]; then
                                log_action_end_msg 0
                            else
                                echo "Done"
                            fi
			else
			    echo "  Build failed.  Installation skipped." >>$output_loc
                            if [ ! -z "$DEBIAN_STYLE_LOGGING" ]; then
                                log_action_end_msg 1
                            else
                                echo " Failed."
                            fi
			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
        if [ -z "$modules_needing_status" ]; then
            if [ ! -z "$DEBIAN_STYLE_LOGGING" ]; then
                log_end_msg 0
            else
                echo -n "."
            fi
        fi
	;;
  stop)
	# ignore
	;;
  restart)
        # ignore
        ;;
  force-reload)
        # ignore
        ;;
  status)
        # ignore
        ;;
  reload)
	exit 0
	;;
  *)
	echo $"Usage: $0 {start|stop}"
esac

exit 0