Bug 17467: Add koha-zebra script to handle Zebra daemons
This script is intended to replace the following currently used scripts on packages setups: - koha-start-zebra - koha-stop-zebra - koha-restart-zebra It also introduces a --status option switch, for asking for daemon statuses To test - Apply the patch - Run: $ sudo debian/scripts/koha-zebra --start kohadev => SUCCESS: same behaviour than koha-start-zebra kohadev - Run: $ sudo debian/scripts/koha-zebra --stop kohadev => SUCCESS: same behaviour as koha-stop-zebra kohadev - Run: $ sudo debian/scripts/koha-zebra --restart kohadev => SUCCESS: same behaviour than koha-restart-zebra kohadev - Run: $ sudo debian/scripts/koha-zebra --status kohadev => SUCCESS: It correctly shows the status for the running (or not) process Play with different combinations of this commands Signed-off-by: Josef Moravec <josef.moravec@gmail.com> Signed-off-by: Nick Clemens <nick@bywatersolutions.com> Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
This commit is contained in:
Tomas Cohen Arazi
Jonathan Druart
parent
22249e4ced
commit
9d1d3cd7fe
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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
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