mdw@git.distorted.org.uk Git - distorted-backup/blob - bkp.dump.in

   1 #! /bin/sh
   2 ### -*-sh-*-
   3 ###
   4 ### Backup ext[2-4] filesystem using dump
   5 ###
   6 ### (c) 2011 Mark Wooding
   7 ###
   8
   9 ###----- Licensing notice ---------------------------------------------------
  10 ###
  11 ### This file is part of the distorted.org.uk backup suite.
  12 ###
  13 ### distorted-backup is free software; you can redistribute it and/or modify
  14 ### it under the terms of the GNU General Public License as published by
  15 ### the Free Software Foundation; either version 2 of the License, or
  16 ### (at your option) any later version.
  17 ###
  18 ### distorted-backup is distributed in the hope that it will be useful,
  19 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 ### GNU General Public License for more details.
  22 ###
  23 ### You should have received a copy of the GNU General Public License along
  24 ### with distorted-backup; if not, write to the Free Software Foundation,
  25 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  26
  27 set -e
  28 . @pkglibdir@/bkpfunc.sh
  29
  30 ## Check arguments and environment.
  31 preflight
  32 case $# in 0 | 1) echo >&2 "usage: $QUIS TAG DEVICE DUMPARGS ..." ;; esac
  33 tag=$1 device=$2; shift 2
  34
  35 ## Transform the date format.
  36 since=$(datefmt "%a %b %e %H:%M:%S %Y %z" "$BKP_LASTDATE")
  37
  38 ## Make a snapshot and dump it.
  39 snap=$(snap "$device" tag=dump)
  40 set +e
  41 run \
  42   env RSH=ssh RMT=$BKP_RMT \
  43   dump -${BKP_LEVEL}q -z9 -T"$since" \
  44     -f"$BKP_HOST:$BKP_ASSET/$tag.dump" -Q"$tag.qfa" \
  45     "$@" \
  46     "/dev/$snap"
  47 rc=$?; set -e
  48 snap -u "$device" tag=dump
  49 case $rc in 0) ;; *) exit $rc ;; esac
  50
  51 scp "$BKP_HOST:$BKP_TARGET/$tag.dump.hash" "$tag.dump.hash"
  52 hash=$(cat "$tag.dump.hash")
  53 ssh "$BKP_HOST" rm "$BKP_TARGET/$tag.dump.hash"
  54 scp "$tag.qfa" "$BKP_HOST:$BKP_TARGET/$tag.qfa"
  55 bkpadmin hash "$BKP_ASSET" "$tag.dump" "$hash"
  56
  57 ###----- That's all, folks --------------------------------------------------