hydra/src/script/hydra_control.sh

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#! /bin/sh
action="$1"
if test -z "$HYDRA_DATA"; then
echo "Error: \$HYDRA_DATA is not set";
exit 1
fi
if test "$action" = "start"; then
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hydra_server.pl -fork > $HYDRA_DATA/server.log 2>&1 &
echo $! > $HYDRA_DATA/server.pid
hydra_scheduler.pl > $HYDRA_DATA/scheduler.log 2>&1 &
echo $! > $HYDRA_DATA/scheduler.pid
hydra_queue_runner.pl > $HYDRA_DATA/queue_runner.log 2>&1 &
echo $! > $HYDRA_DATA/queue_runner.pid
elif test "$action" = "stop"; then
kill $(cat $HYDRA_DATA/server.pid)
kill $(cat $HYDRA_DATA/scheduler.pid)
kill $(cat $HYDRA_DATA/queue_runner.pid)
elif test "$action" = "status"; then
echo -n "Hydra web server... "
(kill -0 $(cat $HYDRA_DATA/server.pid) 2> /dev/null && echo "ok") || echo "not running"
echo -n "Hydra scheduler... "
(kill -0 $(cat $HYDRA_DATA/scheduler.pid) 2> /dev/null && echo "ok") || echo "not running"
echo -n "Hydra queue runner... "
(kill -0 $(cat $HYDRA_DATA/queue_runner.pid) 2> /dev/null && echo "ok") || echo "not running"
else
echo "Syntax: $0 [start|stop|status]"
exit 1
fi