Koha/debian/scripts/koha-zebra
Alex Buckley c88120688f
Bug 30684: (follow-up) Use log_warning_msg for the "not running" warning
Also, return 0 rather than return 1 in else clause of koha-zebra

Sponsored-by: Catalyst IT, New Zealand

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
2022-08-18 09:00:39 -03:00

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