prometheus-jstat2prom.init

#!/bin/sh +x

### BEGIN INIT INFO
# Provides:          prometheus-jstat2prom
# Required-Start:    cloud-config
# Should-Start:
# Required-Stop:
# Should-Stop:
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: jstat2prom
# Description:       Starts jstat2prom
### END INIT INFO

RETVAL=0

prog="jstat2prom.py"
jstat2prom="/opt/prometheus-jstat2prom/jstat2prom.py"

start() {
    [ -f $jstat2prom ] || return 5
    echo -n $"Starting $prog: "
    python -u $jstat2prom 2>&1 | logger -t jstat2prom &
    RETVAL=$?
    return $RETVAL
}

stop() {
    echo -n $"Shutting down $prog: "
    pkill -f "python -u $jstat2prom"
    pkill jstat
    RETVAL=$?
    return $RETVAL
}

status() {
    IS_RUNNING=`pgrep -f "python -u $jstat2prom"`
    RETVAL=$?
    [ $RETVAL = 1 ] && return 3
    return $RETVAL
}

case "$1" in
    start)
        start
        RETVAL=$?
        ;;
    stop)
        stop
        RETVAL=$?
        ;;
    restart|try-restart|condrestart)
        ## Stop the service and regardless of whether it was
        ## running or not, start it again.
        stop
        ## Note: try-restart is now part of LSB (as of 1.9).
        ## RH has a similar command named condrestart.
        start
        RETVAL=$?
        ;;
    reload|force-reload)
        # It does not support reload
        RETVAL=3
        ;;
    status)
        echo -n $"Checking for service $prog:"
        # Return value is slightly different for the status command:
        # 0 - service up and running
        # 1 - service dead, but /var/run/  pid  file exists
        # 2 - service dead, but /var/lock/ lock file exists
        # 3 - service not running (unused)
        # 4 - service status unknown :-(
        # 5--199 reserved (5--99 LSB, 100--149 distro, 150--199 appl.)
        status
        RETVAL=$?
        ;;
    *)
        echo "Usage: $0 {start|stop|status|try-restart|condrestart|restart|force-reload|reload}"
        RETVAL=3
        ;;
esac

exit $RETVAL