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#!/bin/bash |
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# koha-zebra - Manage Zebra daemons for Koha instances |
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# Copyright 2016 Theke Solutions |
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# Copyright 2010 Catalyst IT, Ltd |
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# |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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set -e |
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. /lib/lsb/init-functions |
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# Read configuration variable file if it is present |
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[ -r /etc/default/koha-common ] && . /etc/default/koha-common |
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# include helper functions |
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if [ -f "/usr/share/koha/bin/koha-functions.sh" ]; then |
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. "/usr/share/koha/bin/koha-functions.sh" |
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else |
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echo "Error: /usr/share/koha/bin/koha-functions.sh not present." 1>&2 |
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exit 1 |
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fi |
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usage() |
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{ |
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local scriptname=$(basename $0) |
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cat <<EOF |
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$scriptname |
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This script lets you manage the Zebra daemon for your Koha instances. |
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Usage: |
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$scriptname [--start|--stop|--restart] instancename1 [instancename2...] |
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$scriptname -h|--help |
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--start Start the Zebra daemon for the specified instance(s) |
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--stop Stop the Zebra daemon for the specified instance(s) |
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--restart Restart the Zebra daemon for the specified instance(s) |
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--status Show the status of the Zebra daemon for the specified instance(s) |
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--verbose|-v Display progress and actions messages |
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--help|-h Display this help message |
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EOF |
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} |
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start_zebra() |
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{ |
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local name=$1 |
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# get zebra log levels from koha-conf.xml |
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local loglevels=$(get_loglevels ${name}) |
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if ! is_zebra_running $name; then |
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_check_and_fix_perms ${name} |
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DAEMONOPTS="--name=${name}-koha-zebra \ |
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--pidfiles=/var/run/koha/${name}/ \ |
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--errlog=/var/log/koha/${name}/zebra-error.log \ |
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--output=/var/log/koha/${name}/zebra-output.log \ |
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--verbose=1 \ |
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--respawn \ |
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--delay=30 \ |
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--user=${name}-koha.${name}-koha" |
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ZEBRA_PARAMS="-v $loglevels \ |
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-f /etc/koha/sites/${name}/koha-conf.xml" |
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[ "$verbose" != "no" ] && \ |
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log_daemon_msg "Starting Koha Zebra daemon for ${name}" |
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if daemon $DAEMONOPTS -- $ZEBRA_DAEMON $ZEBRA_PARAMS; then |
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[ "$verbose" != "no" ] && \ |
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log_end_msg 0 |
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else |
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[ "$verbose" != "no" ] && \ |
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log_end_msg 1 |
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fi |
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else |
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if [ "$verbose" != "no" ]; then |
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log_daemon_msg "Error: Zebra already running for ${name}" |
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log_end_msg 1 |
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fi |
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fi |
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} |
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stop_zebra() |
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{ |
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local name=$1 |
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if is_zebra_running $name; then |
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DAEMONOPTS="--name=${name}-koha-zebra \ |
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--pidfiles=/var/run/koha/${name}/ \ |
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--errlog=/var/log/koha/${name}/zebra-error.log \ |
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--output=/var/log/koha/${name}/zebra-output.log \ |
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--verbose=1 \ |
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--respawn \ |
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--delay=30 \ |
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--user=${name}-koha.${name}-koha" |
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[ "$verbose" != "no" ] && \ |
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log_daemon_msg "Stopping Koha Zebra daemon for ${name}" |
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if daemon $DAEMONOPTS --stop -- $ZEBRA_DAEMON $ZEBRA_PARAMS; then |
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[ "$verbose" != "no" ] && \ |
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log_end_msg 0 |
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else |
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[ "$verbose" != "no" ] && \ |
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log_end_msg 1 |
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fi |
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else |
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if [ "$verbose" != "no" ]; then |
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log_daemon_msg "Error: Zebra not running for ${name}" |
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log_end_msg 1 |
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fi |
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fi |
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} |
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restart_zebra() |
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{ |
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local name=$1 |
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if is_zebra_running ${name}; then |
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stop_zebra ${name} && \ |
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start_zebra ${name} |
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else |
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if [ "$verbose" != "no" ]; then |
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log_daemon_msg "Error: Zebra not running for ${name}" |
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log_end_msg 1 |
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fi |
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fi |
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} |
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zebra_status() |
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{ |
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local name=$1 |
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if is_zebra_running; then |
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log_daemon_msg "Zebra running for ${name}" |
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log_end_msg 0 |
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else |
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log_daemon_msg "Zebra not running for ${name}" |
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log_end_msg 3 |
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fi |
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} |
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_check_and_fix_perms() |
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{ |
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local name=$1 |
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local files="/var/log/koha/${name}/zebra-output.log \ |
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/var/log/koha/${name}/zebra-error.log" |
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for file in ${files} |
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do |
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if [ ! -e "${file}" ]; then |
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touch ${file} |
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fi |
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chown "${name}-koha":"${name}-koha" ${file} |
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done |
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} |
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set_action() |
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{ |
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if [ "$op" = "" ]; then |
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op=$1 |
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else |
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die "Error: only one action can be specified." |
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fi |
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} |
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op="" |
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verbose="no" |
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# Read command line parameters |
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while [ $# -gt 0 ]; do |
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case "$1" in |
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-h|--help) |
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usage ; exit 0 ;; |
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-v|--verbose) |
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verbose="yes" |
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shift ;; |
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--start) |
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set_action "start" |
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shift ;; |
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--stop) |
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set_action "stop" |
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shift ;; |
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--restart) |
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set_action "restart" |
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shift ;; |
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-*) |
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die "Error: invalid option switch ($1)" ;; |
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*) |
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# We expect the remaining stuff are the instance names |
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break ;; |
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esac |
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done |
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ZEBRA_DAEMON=$(which zebrasrv) |
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if [ $# -gt 0 ]; then |
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# We have at least one instance name |
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for name in "$@"; do |
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if is_instance $name; then |
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case $op in |
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"start") |
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start_zebra $name |
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;; |
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"stop") |
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stop_zebra $name |
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;; |
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"restart") |
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restart_zebra $name |
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;; |
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"status") |
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zebra_status $name |
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esac |
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else |
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if [ "$verbose" != "no" ]; then |
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log_daemon_msg "Error: Invalid instance name $name" |
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log_end_msg 1 |
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fi |
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fi |
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done |
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else |
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if [ "$verbose" != "no" ]; then |
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warn "Error: you must provide at least one instance name" |
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fi |
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fi |
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exit 0 |