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#!/usr/bin/env bash
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
#
# qpidd Startup script for the Qpid messaging daemon.
#
### BEGIN INIT INFO
# Provides: qpidd
# Required-Start: $local_fs
# Required-Stop: $local_fs
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: start or stop qpidd
# Description: Qpidd is an AMQP broker. It receives, stores, routes and forwards messages using the AMQP protcol.
### END INIT INFO
# chkconfig: - 85 15
# description: Qpidd is an AMQP broker. It receives, stores, routes and forwards messages using the AMQP protcol.
# processname: qpidd
prog=qpidd
lockfile=/var/lock/subsys/$prog
pidfile=/var/run/qpidd.pid
# The following variables can be overridden in @sysconfdir@/sysconfig/$prog
QPID_INIT=@initdir@/$prog
QPID_BIN=@sbindir@/$prog
QPID_DATA_DIR=/var/lib/qpidd
QPID_CONFIG=@confdir@/qpidd.conf
QPID_HA=@bindir@/qpid-ha
QPID_HA_OPTIONS="--config $QPID_CONFIG"
# Source configuration
test -f @sysconfdir@/sysconfig/$prog && source @sysconfdir@/sysconfig/$prog
source /etc/rc.d/init.d/functions
# Data dir: respect the config file if set.
grep -q '^ *data-dir *=' $QPID_CONFIG || QPIDD_OPTIONS="$QPIDD_OPTIONS --data-dir=$QPID_DATA_DIR"
# Check for HA configuration
if grep -iq '^ *ha-cluster *= *\(true\|on\|1\|yes\)' $QPID_CONFIG; then
# HA is configured, do some extra checks.
test -x $QPID_HA || { echo "HA configured but $QPID_HA not found"; return 5; }
ha_ping() { $QPID_HA $QPID_HA_OPTIONS ping >/dev/null 2>&1; }
ha_allow_stop() {
# Primary script does not stop backup brokers and vice versa.
if $QPID_HA $QPID_HA_OPTIONS status --is-primary 2>&1 > /dev/null; then
[ "$1" = primary ] || { echo -n "stop primary broker with 'qpidd-primary stop'"; return 1; }
else
[ "$1" = primary ] && { echo -n "stop backup broker with 'qpidd stop'"; return 1; }
fi
return 0
}
else
# No HA configuration, HA checks are no-ops.
ha_ping() { true; }
ha_allow_stop() { true; }
fi
# Check presence of executables/scripts
for f in $QPID_BIN; do
test -x $f || { echo "$f not found or not executable"; exit 5; }
done
RETVAL=0
# Ensure user has sufficient permissions
runuser -s /bin/sh qpidd -c "echo x > /dev/null" 2> /dev/null || RETVAL=4
if [ $RETVAL = 4 ]; then
echo "user had insufficient privilege";
exit $RETVAL
fi
do_status() {
# Check PID file and ping for liveness
MESSAGE=$(status -p $pidfile $prog) && {
ha_ping || return 1
}
RC=$?
echo $MESSAGE
return $RC
}
FLOCK_FD=9
# Ensure no concurrent start/stop of services.
lock() {
[ "$QPID_HA_LOCK_HELD" ] || { # Held by caller
exec 9< $QPID_INIT
flock $FLOCK_FD
}
}
start() {
lock
echo -n $"Starting Qpid AMQP daemon: "
touch $pidfile
chown qpidd.qpidd $pidfile
[ -x /sbin/restorecon ] && /sbin/restorecon $pidfile
daemon --pidfile $pidfile --check $prog --user qpidd $QPID_BIN --config $QPID_CONFIG --daemon $QPIDD_OPTIONS --close-fd $FLOCK_FD --pidfile $pidfile
RETVAL=$?
echo
[ $RETVAL = 0 ] && touch $lockfile
return $RETVAL
}
stop() {
lock
if ha_allow_stop $1; then
echo -n $"Stopping Qpid AMQP daemon: "
killproc -p ${pidfile} $prog
RETVAL=$?
[ $RETVAL = 0 ] && rm -f ${lockfile} ${pidfile}
fi
[ "$RETVAL" = 0 ] && success
echo
return $RETVAL
}
reload() {
echo 1>&2 $"$0: reload not supported"
return 3
}
restart() {
stop && start
}
# See how we were called.
case "$1" in
start|stop|restart|reload)
$1 $2
;;
status)
do_status
RETVAL=$?
;;
force-reload)
restart
;;
try-restart|condrestart)
[ -e $lockfile ] && restart || :
;;
*)
echo 1>&2 $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|force-reload}"
exit 2
esac
exit $RETVAL
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