diff options
Diffstat (limited to 'handlers/sys')
-rwxr-xr-x | handlers/sys | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/handlers/sys b/handlers/sys new file mode 100755 index 0000000..35a3919 --- /dev/null +++ b/handlers/sys @@ -0,0 +1,99 @@ +# +# 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 [ "$packages" == "yes" ]; then + if [ ! -x "`which dpkg`" ]; then + debug 2 "can't find dpkg, skipping installed packages report." + packages="no" + fi +fi + +if [ "$partitions" == "yes" ]; then + if [ ! -x "`which sfdisk`" ]; then + debug 2 "can't find sfdisk, skipping partition report." + partitions="no" + fi +fi + +if [ "$hardware" == "yes" ]; then + if [ ! -x "`which discover`" ]; then + debug 2 "can't find discover, skipping hardware report." + hardware="no" + fi +fi + +## PACKAGES ############################## + +# +# here we grab a list of the packages installed and removed. +# + +if [ "$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 |