emqx/deploy/packages/rpm/init.script

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#!/bin/bash
#
# emqx
#
# chkconfig: 2345 80 30
# description: EMQX, a distributed, massively scalable, highly extensible MQTT message broker written in Erlang/OTP
# processname: beam
#
# Source function library.
# shellcheck disable=SC1091
. /etc/rc.d/init.d/functions
RETVAL=0
PATH=/sbin:/usr/sbin:/bin:/usr/bin
NAME=emqx
DAEMON=/usr/bin/$NAME
lockfile=/var/lock/subsys/$NAME
mkdir -p /var/run/$NAME
pidfile=/var/run/$NAME/$NAME.pid
# Check for script, config and data dirs
[ -x /usr/bin/$NAME ] || exit 0
[ -d /etc/$NAME ] || exit 0
[ -d /var/lib/$NAME ] || exit 0
# Read configuration variable file if it is present and readable
# shellcheck disable=SC1090
[ -r /etc/sysconfig/$NAME ] && . /etc/sysconfig/$NAME
# `service` strips all environmental VARS so
# if no HOME was set in /etc/sysconfig/$NAME then set one here
# to the data directory for erlexec's sake
if [ -z "$HOME" ]; then
export HOME=
fi
status -p $pidfile -l "$(basename $lockfile)" $NAME >/dev/null 2>&1
running=$?
find_pid() {
# shellcheck disable=SC2009 # pgrep does not support Extended Regular Expressions
ps ax | grep -E "\-progname\s+$NAME\s" | awk '{print $1}'
}
check_pid_status() {
local pid
pid="$(find_pid)"
if [ "$pid" = "" ]; then
# prog not running?
return 1
else
# running
return 0
fi
}
start() {
# Start daemons.
echo -n $"Starting emqx: "
$DAEMON start
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
touch $lockfile
find_pid > $pidfile
success
else
failure $"$NAME start"
fi
echo
return $RETVAL
}
stop() {
# Stop daemon.
echo -n $"Shutting down emqx: "
$DAEMON stop 2>/dev/null
for _ in $(seq 1 10); do
sleep 1
check_pid_status
RETVAL=$?
if [ $RETVAL -eq 1 ]; then
break
fi
done
if [ $RETVAL -eq 1 ]; then
rm -f $lockfile $pidfile
success
echo && return 0
else
failure $"$NAME stop"
echo && return 1
fi
}
hardstop() {
echo -n $"Shutting down $NAME: "
su - emqx -c "ps -ef | grep -E '\-progname\s+$NAME\s' | awk '{print \$2}' | xargs kill -9"
for _ in $(seq 1 10); do
sleep 1
check_pid_status
RETVAL=$?
if [ $RETVAL -eq 1 ]; then
break
fi
done
if [ $RETVAL -eq 1 ]; then
rm -f $lockfile $pidfile
success
echo && return 0
else
failure $"$NAME hardstop"
echo && return 1
fi
}
# See how we were called.
case "$1" in
start)
[ $running -eq 0 ] && exit 0
start
;;
stop)
stop
;;
restart|force-reload)
[ $running -eq 0 ] && stop
start
;;
hardstop)
[ $running -eq 0 ] || exit 0
hardstop
;;
condrestart|try-restart)
[ $running -eq 0 ] || exit 0
restart
;;
status)
status -p $pidfile -l "$(basename $lockfile)" $NAME
;;
ping)
$DAEMON ping || exit $?
;;
*)
echo $"Usage: $0 {start|stop|restart|force-reload|hardstop|condrestart|try-restart|status|ping}"
exit 1
esac
exit $?