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     --status              Show the status of the indexer for the specified instances
  51     --quiet|-q            Make the script quiet about non existent instance names
  52                           (useful for calling from another scripts).
  53     --help|-h             Display this help message
  54
  55 EOF
  56 }
  57
  58 start_indexer()
  59 {
  60     local name=$1
  61
  62     if ! is_indexer_running $name; then
  63         export KOHA_CONF="/etc/koha/sites/$name/koha-conf.xml"
  64
  65         DAEMONOPTS="--name=$name-koha-indexer \
  66             --errlog=/var/log/koha/$name/indexer-error.log \
  67             --stdout=/var/log/koha/$name/indexer.log \
  68             --output=/var/log/koha/$name/indexer-output.log \
  69             --pidfiles=/var/run/koha/$name/ \
  70             --verbose=1 --respawn --delay=30 \
  71             --user=$name-koha.$name-koha"
  72
  73         log_daemon_msg "Starting Koha indexing daemon for $name"
  74
  75         if daemon $DAEMONOPTS -- $INDEXER_DAEMON $INDEXER_PARAMS; then
  76             log_end_msg 0
  77         else
  78             log_end_msg 1
  79         fi
  80     else
  81         log_daemon_msg "Error: Indexer already running for $name"
  82         log_end_msg 1
  83     fi
  84 }
  85
  86 stop_indexer()
  87 {
  88     local name=$1
  89
  90     if is_indexer_running $name; then
  91         export KOHA_CONF="/etc/koha/sites/$name/koha-conf.xml"
  92
  93         DAEMONOPTS="--name=$name-koha-indexer \
  94             --errlog=/var/log/koha/$name/indexer-error.log \
  95             --stdout=/var/log/koha/$name/indexer.log \
  96             --output=/var/log/koha/$name/indexer-output.log \
  97             --pidfiles=/var/run/koha/$name/ \
  98             --verbose=1 --respawn --delay=30 \
  99             --user=$name-koha.$name-koha"
 100
 101         log_daemon_msg "Stopping Koha indexing daemon for $name"
 102
 103         if daemon $DAEMONOPTS --stop -- $INDEXER_DAEMON $INDEXER_PARAMS; then
 104             log_end_msg 0
 105         else
 106             log_end_msg 1
 107         fi
 108     else
 109         log_daemon_msg "Error: Indexer not running for $name"
 110         log_end_msg 1
 111     fi
 112 }
 113
 114 restart_indexer()
 115 {
 116     local name=$1
 117
 118     if is_indexer_running $name; then
 119         export KOHA_CONF="/etc/koha/sites/$name/koha-conf.xml"
 120
 121         DAEMONOPTS="--name=$name-koha-indexer \
 122             --errlog=/var/log/koha/$name/indexer-error.log \
 123             --stdout=/var/log/koha/$name/indexer.log \
 124             --output=/var/log/koha/$name/indexer-output.log \
 125             --pidfiles=/var/run/koha/$name/ \
 126             --verbose=1 --respawn --delay=30 \
 127             --user=$name-koha.$name-koha"
 128
 129         log_daemon_msg "Restarting Koha indexing daemon for $name"
 130
 131         if daemon $DAEMONOPTS --restart -- $INDEXER_DAEMON $INDEXER_PARAMS; then
 132             log_end_msg 0
 133         else
 134             log_end_msg 1
 135         fi
 136     else
 137         log_daemon_msg "Error: Indexer not running for $name"
 138         log_end_msg 1
 139     fi
 140 }
 141
 142 indexer_status()
 143 {
 144     local name=$1
 145
 146     if is_indexer_running ${name}; then
 147         log_daemon_msg "Indexer running for ${name}"
 148         log_end_msg 0
 149     else
 150         log_daemon_msg "Indexer not running for ${name}"
 151         log_end_msg 3
 152     fi
 153 }
 154
 155 set_action()
 156 {
 157     if [ "$op" = "" ]; then
 158         op=$1
 159     else
 160         die "Error: only one action can be specified."
 161     fi
 162 }
 163
 164 op=""
 165 quiet="no"
 166
 167 # Read command line parameters
 168 while [ $# -gt 0 ]; do
 169
 170     case "$1" in
 171         -h|--help)
 172             usage ; exit 0 ;;
 173         -q|--quiet)
 174             quiet="yes"
 175             shift ;;
 176         --start)
 177             set_action "start"
 178             shift ;;
 179         --stop)
 180             set_action "stop"
 181             shift ;;
 182         --restart)
 183             set_action "restart"
 184             shift ;;
 185         --status)
 186             set_action "status"
 187             shift ;;
 188         -*)
 189             die "Error: invalid option switch ($1)" ;;
 190         *)
 191             # We expect the remaining stuff are the instance names
 192             break ;;
 193     esac
 194
 195 done
 196
 197 # Optionally use alternative paths for a dev install
 198 adjust_paths_dev_install $1
 199
 200 # Check if an alternate indexer has been set
 201 if [ ! -z $ALTERNATE_INDEXER_DAEMON ]; then
 202     INDEXER_DAEMON="$ALTERNATE_INDEXER_DAEMON"
 203 else
 204     # We default to rebuild_zebra.pl if no alternate indexer set
 205     if [ "$DEV_INSTALL" = "" ]; then
 206         INDEXER_DAEMON="${KOHA_HOME}/bin/migration_tools/rebuild_zebra.pl"
 207     else
 208         INDEXER_DAEMON="${KOHA_HOME}/misc/migration_tools/rebuild_zebra.pl"
 209     fi
 210 fi
 211
 212 if [ $INDEXER_TIMEOUT -lt 1 ]; then
 213     # Something's wrong, default to 5 seconds
 214     INDEXER_TIMEOUT=5
 215 fi
 216
 217 if [ -z $INDEXER_PARAMS ]; then
 218     # Default to the parameters required by rebuild_zebra.pl
 219     INDEXER_PARAMS="-daemon -sleep $INDEXER_TIMEOUT"
 220 fi
 221
 222 # PERL5LIB has been read from etc/default
 223 export PERL5LIB
 224
 225 if [ $# -gt 0 ]; then
 226     # We have at least one instance name
 227     for name in "$@"; do
 228
 229         if is_instance $name; then
 230
 231             case $op in
 232                 "start")
 233                     start_indexer $name
 234                     ;;
 235                 "stop")
 236                     stop_indexer $name
 237                     ;;
 238                 "restart")
 239                     restart_indexer $name
 240                     ;;
 241                 "status")
 242                     indexer_status $name
 243             esac
 244
 245         else
 246             if [ "$quiet" = "no" ]; then
 247                 log_daemon_msg "Error: Invalid instance name $name"
 248                 log_end_msg 1
 249             fi
 250         fi
 251
 252     done
 253 else
 254     if [ "$quiet" = "no" ]; then
 255         warn "Error: you must provide at least one instance name"
 256     fi
 257 fi
 258
 259 exit 0