debian/scripts/koha-dump

   1 #!/bin/sh
   2 #
   3 # koha-dump: dump all contents and configs for a Koha site
   4 # Copyright 2010  Catalyst IT, Ltd
   5 #
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18
  19
  20 set -e
  21
  22 # include helper functions
  23 if [ -f "/usr/share/koha/bin/koha-functions.sh" ]; then
  24     . "/usr/share/koha/bin/koha-functions.sh"
  25 else
  26     echo "Error: /usr/share/koha/bin/koha-functions.sh not present." 1>&2
  27     exit 1
  28 fi
  29
  30 # Make sure the files we create are not accessible by anyone else.
  31 umask 0077
  32
  33 usage()
  34 {
  35     local scriptname=$(basename $0)
  36
  37     cat <<EOF
  38 $scriptname
  39
  40 This script dumps your Koha instance data for backup or migration.
  41
  42 Usage:
  43 $scriptname [--quiet|-q] [--exclude-indexes] instancename1 [instancename2...]
  44 $scriptname -h|--help
  45
  46     --exclude-indexes     Include Zebra indexes on the backup.
  47     --quiet|-q            Make the script avoid printing to STDOUT
  48                           (useful for calling from another scripts).
  49     --help|-h             Display this help message
  50
  51 EOF
  52 }
  53
  54 dump_instance()
  55 {
  56     local name=$1
  57
  58     kohaconfig="/etc/koha/sites/$name/koha-conf.xml"
  59     date="$(date +%Y-%m-%d)"
  60
  61     [ "$quiet" = "no" ] && echo "Dumping Koha site $name:"
  62
  63     # Dump database.
  64     mysqlhost="$( xmlstarlet sel -t -v 'yazgfs/config/hostname' $kohaconfig )"
  65     mysqldb="$( xmlstarlet sel -t -v 'yazgfs/config/database' $kohaconfig )"
  66     mysqluser="$( xmlstarlet sel -t -v 'yazgfs/config/user' $kohaconfig )"
  67     mysqlpass="$( xmlstarlet sel -t -v 'yazgfs/config/pass' $kohaconfig )"
  68     backupdir="$( xmlstarlet sel -t -v 'yazgfs/config/backupdir' $kohaconfig || true )"
  69     [ -z "$backupdir" ] && backupdir="/var/spool/koha/$name"
  70     dbdump="$backupdir/$name-$date.sql.gz"
  71     [ "$quiet" = "no" ] && echo "* DB to $dbdump"
  72     mysqldump --databases --host="$mysqlhost" \
  73         --user="$mysqluser" --password="$mysqlpass" "$mysqldb" |
  74         gzip > "$dbdump"
  75     chown "root:$name-koha" "$dbdump"
  76     chmod g+r "$dbdump"
  77
  78     instancefile="$name.conf"
  79
  80     # Dump configs, logs, etc.
  81     metadump="$backupdir/$name-$date.tar.gz"
  82     [ "$quiet" = "no" ] && echo "* configs, logs to $metadump"
  83
  84     if [ "$exclude_indexes" = "yes" ]; then
  85         excludes="--exclude=var/lib/koha/$name/biblios \
  86                   --exclude=var/lib/koha/$name/authorities"
  87     fi
  88
  89     tar -czf "$metadump" -C / $excludes \
  90         "etc/koha/sites/$name" \
  91         "etc/apache2/sites-available/$instancefile" \
  92         "etc/apache2/sites-enabled/$instancefile" \
  93         "var/lib/koha/$name" \
  94         "var/log/koha/$name"
  95
  96     [ "$quiet" = "no" ] && echo "Done."
  97 }
  98
  99 # Default values
 100 quiet="no"
 101 exclude_indexes="no"
 102
 103 while [ $# -gt 0 ]; do
 104
 105     case "$1" in
 106         --exclude-indexes)
 107             exclude_indexes="yes"
 108             shift ;;
 109         -h|--help)
 110             usage ; exit 0 ;;
 111         -q|--quiet)
 112             quiet="yes"
 113             shift ;;
 114         -*)
 115             die "Error: invalid option switch ($1)" ;;
 116         *)
 117             # We expect the remaining stuff are the instance names
 118             break ;;
 119     esac
 120
 121 done
 122
 123 # Read instance names
 124 if [ $# -gt 0 ]; then
 125     # We have at least one instance name
 126     for name in "$@"; do
 127
 128         if is_instance $name; then
 129
 130             dump_instance $name
 131
 132         else
 133             if [ "$quiet" = "no" ]; then
 134                 die "Error: Invalid instance name $name"
 135             else
 136                 exit 1
 137             fi
 138         fi
 139
 140     done
 141 else
 142     if [ "$quiet" = "no" ]; then
 143         die "Error: you must provide at least one instance name"
 144     else
 145         exit 1
 146     fi
 147 fi
 148
 149 exit 0