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     --without-db-name     Do not include database name
  51
  52 EOF
  53 }
  54
  55 dump_instance()
  56 {
  57     local name=$1
  58
  59     kohaconfig="/etc/koha/sites/$name/koha-conf.xml"
  60     date="$(date +%Y-%m-%d)"
  61
  62     [ "$quiet" = "no" ] && echo "Dumping Koha site $name:"
  63
  64     # Dump database.
  65     mysqlhost="$( xmlstarlet sel -t -v 'yazgfs/config/hostname' $kohaconfig )"
  66     mysqldb="$( xmlstarlet sel -t -v 'yazgfs/config/database' $kohaconfig )"
  67     mysqluser="$( xmlstarlet sel -t -v 'yazgfs/config/user' $kohaconfig )"
  68     mysqlpass="$( xmlstarlet sel -t -v 'yazgfs/config/pass' $kohaconfig )"
  69     backupdir="$( xmlstarlet sel -t -v 'yazgfs/config/backupdir' $kohaconfig || true )"
  70     [ -z "$backupdir" ] && backupdir="/var/spool/koha/$name"
  71     dbdump="$backupdir/$name-$date.sql.gz"
  72     [ "$quiet" = "no" ] && echo "* DB to $dbdump"
  73     dbflag="--databases"
  74     [ "$without_db_name" = "yes" ] && dbflag=""
  75     mysqldump $dbflag --host="$mysqlhost" \
  76         --user="$mysqluser" --password="$mysqlpass" "$mysqldb" |
  77         gzip > "$dbdump"
  78     chown "root:$name-koha" "$dbdump"
  79     chmod g+r "$dbdump"
  80
  81     instancefile="$name.conf"
  82
  83     # Dump configs, logs, etc.
  84     metadump="$backupdir/$name-$date.tar.gz"
  85     [ "$quiet" = "no" ] && echo "* configs, logs to $metadump"
  86
  87     if [ "$exclude_indexes" = "yes" ]; then
  88         excludes="--exclude=var/lib/koha/$name/biblios \
  89                   --exclude=var/lib/koha/$name/authorities"
  90     fi
  91
  92     tar -czf "$metadump" -C / $excludes \
  93         "etc/koha/sites/$name" \
  94         "etc/apache2/sites-available/$instancefile" \
  95         "etc/apache2/sites-enabled/$instancefile" \
  96         "var/lib/koha/$name" \
  97         "var/log/koha/$name"
  98
  99     [ "$quiet" = "no" ] && echo "Done."
 100 }
 101
 102 # Default values
 103 quiet="no"
 104 exclude_indexes="no"
 105 without_db_name="no"
 106
 107 while [ $# -gt 0 ]; do
 108
 109     case "$1" in
 110         --exclude-indexes)
 111             exclude_indexes="yes"
 112             shift ;;
 113         --without-db-name)
 114             without_db_name="yes"
 115             shift ;;
 116         -h|--help)
 117             usage ; exit 0 ;;
 118         -q|--quiet)
 119             quiet="yes"
 120             shift ;;
 121         -*)
 122             die "Error: invalid option switch ($1)" ;;
 123         *)
 124             # We expect the remaining stuff are the instance names
 125             break ;;
 126     esac
 127
 128 done
 129
 130 # Read instance names
 131 if [ $# -gt 0 ]; then
 132     # We have at least one instance name
 133     for name in "$@"; do
 134
 135         if is_instance $name; then
 136
 137             dump_instance $name
 138
 139         else
 140             if [ "$quiet" = "no" ]; then
 141                 die "Error: Invalid instance name $name"
 142             else
 143                 exit 1
 144             fi
 145         fi
 146
 147     done
 148 else
 149     if [ "$quiet" = "no" ]; then
 150         die "Error: you must provide at least one instance name"
 151     else
 152         exit 1
 153     fi
 154 fi
 155
 156 exit 0