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#
# this handler will save various reports of vital system information.
# by default, all the reports are enabled and are saved in /var/backups.
#
# (1) a list of all the packages installed and removed.
# this file can be used to restore the state of installed packages
# by running "dpkg --set-selections < dpkg-selections.txt
#
# (2) the partition table of all disks.
# this partition table can be used to format another disk of
# the same size. this can be handy if using software raid and
# you have a disk go bad. just replace the disk and partition it
# by running "sfdisk /dev/sdb < partitions.sdb.txt"
# (MAKE SURE YOU PARTITION THE CORRECT DISK!!!)
#
# (3) hardware information.
# a simple report is generated of the kernel modules, the devices,
# and the model of the hardware which 'discover' is able to detect.
getconf packages yes
getconf packagesfile /var/backups/dpkg-selections.txt
getconf partitions yes
getconf partitionsfile /var/backups/partitions.*.txt
getconf hardware yes
getconf hardwarefile /var/backups/hardware.txt
if [ "$packages" == "yes" ]; then
if [ ! -x "`which dpkg`" ]; then
warning "can't find dpkg, skipping installed packages report."
packages="no"
fi
fi
if [ "$partitions" == "yes" ]; then
if [ ! -x "`which sfdisk`" ]; then
warning "can't find sfdisk, skipping partition report."
partitions="no"
fi
fi
if [ "$hardware" == "yes" ]; then
if [ ! -x "`which discover`" ]; then
warning "can't find discover, skipping hardware report."
hardware="no"
fi
fi
## PACKAGES ##############################
#
# here we grab a list of the packages installed and removed.
#
if [ "$packages" == "yes" ]; then
dpkg --get-selections > $packagesfile
fi
## PARTITIONS #############################
#
# here we use sfdisk to dump a listing of all the partitions.
# these files can be used to directly partition a disk of the same size.
#
if [ "$partitions" == "yes" ]; then
for i in `sfdisk -l | grep "^/dev/" | awk '{print $1}'`; do
devices=`echo $i | sed 's/[0-9]//'`
done
devices=`echo $devices | sort | uniq`
for dev in $devices; do
# remove leading /dev/
label=${devices#/dev/}
# replace any remaining '/'
label=${label//\//-}
outputfile=${partitionsfile//__star__/$label}
sfdisk -d $dev > $outputfile
done
fi
## HARDWARE #############################
#
# here we use discover to dump a table listing all the
# information we can find on the hardware of this machine
#
if [ "$hardware" == "yes" ]; then
printf "%15s%15s %s / %s\n" "kernel module" "device" "vender" "model" > $hardwarefile
printf "%15s%15s %s / %s\n\n" "=============" "======" "======" "=====" >> $hardwarefile
oldifs=$IFS
IFS=$'\t\n'
discover --format="'%m'\t'%d'\t'%V'\t'%M'\n" all | \
while read module device vender model
do printf "%15s%15s %s / %s\n" "${module//\'/}" "${device//\'/}" "${vender//\'/}" "${model//\'/}" >> $hardwarefile
done
IFS=$oldifs
fi
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