debian/scripts/koha-indexer

   1 #!/bin/bash
   2 #
   3 # koha-indexer - Manage Indexer Daemons for Koha instances
   4 # Copyright 2014 Tomás Cohen Arazi @ Universidad Nacional de Córdoba
   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 set -e
  20
  21 . /lib/lsb/init-functions
  22
  23 # Read configuration variable file if it is present
  24 [ -r /etc/default/koha-common ] && . /etc/default/koha-common
  25
  26 # include helper functions
  27 if [ -f "/usr/share/koha/bin/koha-functions.sh" ]; then
  28     . "/usr/share/koha/bin/koha-functions.sh"
  29 else
  30     echo "Error: /usr/share/koha/bin/koha-functions.sh not present." 1>&2
  31     exit 1
  32 fi
  33
  34 usage()
  35 {
  36     local scriptname=$(basename $0)
  37
  38     cat <<EOF
  39 $scriptname
  40
  41 This script lets you manage the indexer daemon for your Koha instances.
  42
  43 Usage:
  44 $scriptname [--start|--stop|--restart] [--quiet|-q] instancename1 [instancename2...]
  45 $scriptname -h|--help
  46
  47     --start               Start the indexer daemon for the specified instances
  48     --stop                Stop the indexer daemon for the specified instances
  49     --restart             Restart the indexer daemon for the specified instances
  50     --quiet|-q            Make the script quiet about non existent instance names
  51                           (useful for calling from another scripts).
  52     --help|-h             Display this help message
  53
  54 EOF
  55 }
  56
  57 start_indexer()
  58 {
  59     local name=$1
  60
  61     if ! is_indexer_running $name; then
  62         export KOHA_CONF="/etc/koha/sites/$name/koha-conf.xml"
  63
  64         DAEMONOPTS="--name=$name-koha-indexer \
  65             --errlog=/var/log/koha/$name/indexer-error.log \
  66             --stdout=/var/log/koha/$name/indexer.log \
  67             --output=/var/log/koha/$name/indexer-output.log \
  68             --pidfiles=/var/run/koha/$name/ \
  69             --verbose=1 --respawn --delay=30 \
  70             --user=$name-koha.$name-koha"
  71
  72         log_daemon_msg "Starting Koha indexing daemon for $name"
  73
  74         if daemon $DAEMONOPTS -- $INDEXER_DAEMON $INDEXER_PARAMS; then
  75             log_end_msg 0
  76         else
  77             log_end_msg 1
  78         fi
  79     else
  80         log_daemon_msg "Error: Indexer already running for $name"
  81         log_end_msg 1
  82     fi
  83 }
  84
  85 stop_indexer()
  86 {
  87     local name=$1
  88
  89     if is_indexer_running $name; then
  90         export KOHA_CONF="/etc/koha/sites/$name/koha-conf.xml"
  91
  92         DAEMONOPTS="--name=$name-koha-indexer \
  93             --errlog=/var/log/koha/$name/indexer-error.log \
  94             --stdout=/var/log/koha/$name/indexer.log \
  95             --output=/var/log/koha/$name/indexer-output.log \
  96             --pidfiles=/var/run/koha/$name/ \
  97             --verbose=1 --respawn --delay=30 \
  98             --user=$name-koha.$name-koha"
  99
 100         log_daemon_msg "Stopping Koha indexing daemon for $name"
 101
 102         if daemon $DAEMONOPTS --stop -- $INDEXER_DAEMON $INDEXER_PARAMS; then
 103             log_end_msg 0
 104         else
 105             log_end_msg 1
 106         fi
 107     else
 108         log_daemon_msg "Error: Indexer not running for $name"
 109         log_end_msg 1
 110     fi
 111 }
 112
 113 restart_indexer()
 114 {
 115     local name=$1
 116
 117     if is_indexer_running $name; then
 118         export KOHA_CONF="/etc/koha/sites/$name/koha-conf.xml"
 119
 120         DAEMONOPTS="--name=$name-koha-indexer \
 121             --errlog=/var/log/koha/$name/indexer-error.log \
 122             --stdout=/var/log/koha/$name/indexer.log \
 123             --output=/var/log/koha/$name/indexer-output.log \
 124             --pidfiles=/var/run/koha/$name/ \
 125             --verbose=1 --respawn --delay=30 \
 126             --user=$name-koha.$name-koha"
 127
 128         log_daemon_msg "Stopping Koha indexing daemon for $name"
 129
 130         if daemon $DAEMONOPTS --restart -- $INDEXER_DAEMON $INDEXER_PARAMS; then
 131             log_end_msg 0
 132         else
 133             log_end_msg 1
 134         fi
 135     else
 136         log_daemon_msg "Error: Indexer not running for $name"
 137         log_end_msg 1
 138     fi
 139 }
 140
 141 set_action()
 142 {
 143     if [ "$op" = "" ]; then
 144         op=$1
 145     else
 146         die "Error: only one action can be specified."
 147     fi
 148 }
 149
 150 op=""
 151 quiet="no"
 152
 153 # Read command line parameters
 154 while [ $# -gt 0 ]; do
 155
 156     case "$1" in
 157         -h|--help)
 158             usage ; exit 0 ;;
 159         -q|--quiet)
 160             quiet="yes"
 161             shift ;;
 162         --start)
 163             set_action "start"
 164             shift ;;
 165         --stop)
 166             set_action "stop"
 167             shift ;;
 168         --restart)
 169             set_action "restart"
 170             shift ;;
 171         -*)
 172             die "Error: invalid option switch ($1)" ;;
 173         *)
 174             # We expect the remaining stuff are the instance names
 175             break ;;
 176     esac
 177
 178 done
 179
 180 # Check if an alternate indexer has been set
 181 if [ ! -z $ALTERNATE_INDEXER_DAEMON ]; then
 182     INDEXER_DAEMON="$ALTERNATE_INDEXER_DAEMON"
 183 else
 184     # We default to rebuild_zebra.pl if no alternate indexer set
 185     INDEXER_DAEMON="${KOHA_HOME}/bin/migration_tools/rebuild_zebra.pl"
 186 fi
 187
 188 if [ $INDEXER_TIMEOUT -lt 1 ]; then
 189     # Something's wrong, default to 5 seconds
 190     INDEXER_TIMEOUT=5
 191 fi
 192
 193 if [ -z $INDEXER_PARAMS ]; then
 194     # Default to the parameters required by rebuild_zebra.pl
 195     INDEXER_PARAMS="-daemon -x -sleep $INDEXER_TIMEOUT"
 196 fi
 197
 198 if [ -z $PERL5LIB ]; then
 199     PERL5LIB="/usr/share/koha/lib"
 200 fi
 201
 202 export PERL5LIB
 203
 204 if [ $# -gt 0 ]; then
 205     # We have at least one instance name
 206     for name in "$@"; do
 207
 208         if is_instance $name; then
 209
 210             case $op in
 211                 "start")
 212                     start_indexer $name
 213                     ;;
 214                 "stop")
 215                     stop_indexer $name
 216                     ;;
 217                 "restart")
 218                     restart_indexer $name
 219                     ;;
 220             esac
 221
 222         else
 223             if [ "$quiet" = "no" ]; then
 224                 log_daemon_msg "Error: Invalid instance name $name"
 225                 log_end_msg 1
 226             fi
 227         fi
 228
 229     done
 230 else
 231     if [ "$quiet" = "no" ]; then
 232         warn "Error: you must provide at least one instance name"
 233     fi
 234 fi
 235
 236 exit 0