198 lines
3.3 KiB
Bash
198 lines
3.3 KiB
Bash
#!/bin/sh
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### BEGIN INIT INFO
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# Provides: haproxy
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# Required-Start: $local_fs $network $remote_fs $syslog $named
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# Required-Stop: $local_fs $remote_fs $syslog $named
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: fast and reliable load balancing reverse proxy
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# Description: This file should be used to start and stop haproxy.
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### END INIT INFO
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# Author: Arnaud Cornet <acornet@debian.org>
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PATH=/sbin:/usr/sbin:/bin:/usr/bin
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BASENAME=haproxy
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PIDFILE=/var/run/${BASENAME}.pid
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CONFIG=/etc/${BASENAME}/${BASENAME}.cfg
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HAPROXY=/usr/sbin/haproxy
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RUNDIR=/run/${BASENAME}
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EXTRAOPTS=
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test -x $HAPROXY || exit 0
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if [ -e /etc/default/${BASENAME} ]; then
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. /etc/default/${BASENAME}
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fi
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test -f "$CONFIG" || exit 0
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[ -f /etc/default/rcS ] && . /etc/default/rcS
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. /lib/lsb/init-functions
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check_haproxy_config()
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{
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$HAPROXY -c -f "$CONFIG" $EXTRAOPTS >/dev/null
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if [ $? -eq 1 ]; then
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log_end_msg 1
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exit 1
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fi
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}
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haproxy_start()
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{
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[ -d "$RUNDIR" ] || mkdir "$RUNDIR"
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chown haproxy:haproxy "$RUNDIR"
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chmod 2775 "$RUNDIR"
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check_haproxy_config
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start-stop-daemon --quiet --oknodo --start --pidfile "$PIDFILE" \
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--exec $HAPROXY -- -f "$CONFIG" -D -p "$PIDFILE" \
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$EXTRAOPTS || return 2
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return 0
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}
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haproxy_stop()
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{
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if [ ! -f $PIDFILE ] ; then
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# This is a success according to LSB
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return 0
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fi
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ret=0
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tmppid="$(mktemp)"
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# HAProxy's pidfile may contain multiple PIDs, if nbproc > 1, so loop
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# over each PID. Note that start-stop-daemon has a --pid option, but it
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# was introduced in dpkg 1.17.6, post wheezy, so we use a temporary
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# pidfile instead to ease backports.
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for pid in $(cat $PIDFILE); do
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echo "$pid" > "$tmppid"
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start-stop-daemon --quiet --oknodo --stop \
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--retry 5 --pidfile "$tmppid" --exec $HAPROXY || ret=$?
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done
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rm -f "$tmppid"
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[ $ret -eq 0 ] && rm -f $PIDFILE
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return $ret
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}
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haproxy_reload()
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{
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check_haproxy_config
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$HAPROXY -f "$CONFIG" -p $PIDFILE -sf $(cat $PIDFILE) -D $EXTRAOPTS \
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|| return 2
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return 0
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}
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haproxy_status()
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{
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if [ ! -f $PIDFILE ] ; then
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# program not running
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return 3
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fi
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for pid in $(cat $PIDFILE) ; do
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if ! ps --no-headers p "$pid" | grep haproxy > /dev/null ; then
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# program running, bogus pidfile
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return 1
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fi
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done
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return 0
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}
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case "$1" in
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start)
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log_daemon_msg "Starting haproxy" "${BASENAME}"
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haproxy_start
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ret=$?
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case "$ret" in
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0)
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log_end_msg 0
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;;
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1)
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log_end_msg 1
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echo "pid file '$PIDFILE' found, ${BASENAME} not started."
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;;
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2)
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log_end_msg 1
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;;
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esac
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exit $ret
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;;
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stop)
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log_daemon_msg "Stopping haproxy" "${BASENAME}"
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haproxy_stop
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ret=$?
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case "$ret" in
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0|1)
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log_end_msg 0
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;;
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2)
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log_end_msg 1
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;;
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esac
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exit $ret
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;;
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reload|force-reload)
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log_daemon_msg "Reloading haproxy" "${BASENAME}"
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haproxy_reload
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ret=$?
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case "$ret" in
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0|1)
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log_end_msg 0
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;;
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2)
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log_end_msg 1
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;;
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esac
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exit $ret
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;;
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restart)
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log_daemon_msg "Restarting haproxy" "${BASENAME}"
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haproxy_stop
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haproxy_start
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ret=$?
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case "$ret" in
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0)
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log_end_msg 0
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;;
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1)
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log_end_msg 1
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;;
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2)
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log_end_msg 1
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;;
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esac
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exit $ret
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;;
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status)
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haproxy_status
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ret=$?
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case "$ret" in
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0)
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echo "${BASENAME} is running."
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;;
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1)
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echo "${BASENAME} dead, but $PIDFILE exists."
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;;
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*)
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echo "${BASENAME} not running."
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;;
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esac
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exit $ret
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;;
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*)
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echo "Usage: /etc/init.d/${BASENAME} {start|stop|reload|restart|status}"
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exit 2
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;;
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esac
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:
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