filebeat/playbooks/roles/filebeat/templates/supervisor.sh

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#!/bin/bash
# filebeat_{{ instance_name }}_{{ log_type }} Start filebeat
#
# chkconfig: 2345 33 81
# description: Starts, stops and saves filebeat_{{ instance_name }}_{{ log_type }}
#
#
### BEGIN INIT INFO
# Provides: youyan
# Required-Start:
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: start and stop filebeat_{{ instance_name }}_{{ log_type }}
# Description: Start, stop filebeat_{{ instance_name }}_{{ log_type }}
### END INIT INFO
. /etc/rc.d/init.d/functions
RETVAL=0
PIDFILE="/tmp/supervisord_filebeat_{{ instance_name }}_{{ log_type }}.pid"
LOCKFILE="/tmp/supervisord_filebeat_{{ instance_name }}_{{ log_type }}.lock"
OPTIONS="-c {{ filebeat_work_path }}/supervisor.yml"
WAIT_FOR_SUBPROCESSES="yes"
start() {
echo "Starting supervisord: "
if [ -e $PIDFILE ]; then
echo "ALREADY STARTED"
return 0
fi
{{ python_bin_dir }}/supervisord $OPTIONS
{{ python_bin_dir }}/supervisorctl $OPTIONS status
[ -e $PIDFILE ] && touch $LOCKFILE
}
stop() {
total_sleep=0
echo -n "Stopping supervisord: "
{{ python_bin_dir }}/supervisorctl $OPTIONS shutdown
if [ -n "$WAIT_FOR_SUBPROCESSES" ]; then
echo "Waiting roughly 60 seconds for $PIDFILE to be removed after child processes exit"
for sleep in 2 2 2 2 4 4 4 4 8 8 8 8 last; do
if [ ! -e $PIDFILE ] ; then
echo "Supervisord exited as expected in under $total_sleep seconds"
break
else
if [[ $sleep == "last" ]] ; then
echo "Supervisord still working on shutting down. We've waited roughly 60 seconds, we'll let it do its thing from here"
return 1
else
sleep $sleep
total_sleep=$(( $total_sleep + $sleep ))
fi
fi
done
fi
# always remove the subsys. we might have waited a while, but just remove it at this point.
rm -f $LOCKFILE
}
restart() {
stop
start
}
case "$1" in
start)
start
RETVAL=$?
;;
stop)
stop
RETVAL=$?
;;
reload)
{{ python_bin_dir }}/supervisorctl $OPTIONS restart filebeat_{{ instance_name }}_{{ log_type }}
RETVAL=$?
;;
restart_monitor)
{{ python_bin_dir }}/supervisorctl $OPTIONS restart filebeat_monitor_{{ instance_name }}_{{ log_type }}
RETVAL=$?
;;
restart)
[ -f $LOCKFILE ] && restart || start
RETVAL=$?
;;
status)
{{ python_bin_dir }}/supervisorctl $OPTIONS status
status -p $PIDFILE supervisord
# The 'status' option should return one of the LSB-defined return-codes,
# in particular, return-code 3 should mean that the service is not
# currently running. This is particularly important for Ansible's 'service'
# module, as without this behaviour it won't know if a service is up or down.
RETVAL=$?
;;
*)
echo $"Usage: $0 {start|stop|status|restart|reload|force-reload|condrestart}"
exit 1
esac
exit $RETVAL