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the changes/tweaks Imade to Pandora_server 1.2
I just wanted to put here all the changes I made to pandora FMS 1.2 to make them available to all to use/see/criticise/modify…
bin/pandora_server.pl :
use threads; (deprecated)
use threads::shared; (deprecated)
replaced by
use forks;
use forks::shared;pandora_server :
[code:1]#!/bin/sh
# Pandora Data Server startup script
# Sancho Lerena,
# Linux Version (generic)
# v1.2 (Ene/2006)# Configurable path and filenames
PANDORA_HOME=”/opt/pandora/pandora_server”
PANDORA_SERVER_PID=”$PANDORA_HOME/var/pandora_server.pid”# Main script
if [ ! -f $PANDORA_HOME/bin/pandora_server.pl ]
then
echo “Pandora Data Server not found, please check setup and read manual”
exit
ficase “$1″ in
start)
OLD_PATH=”`pwd`”
if [ -f $PANDORA_SERVER_PID ]
then
echo “Pandora Data Server is currently running on this machine. Aborting now…”
exit
fi
# we check if we have instances of the server already running
NUMPID=`ps aux | grep ‘pandora_server.pl’ | grep -v grep | wc -l`
if [ $NUMPID -gt 0 ]
then
echo Warning! It seems that there are some instances of pandora server already running
echo Starting anyway… but you may have some problems.
fi
# we change to the pandora server bin directory
cd $PANDORA_HOME/bin
./pandora_server.pl $PANDORA_HOME -D
# the server may take some time to start, so we need to pause before collecting PIDs
sleep 2
# collecting first line (first PID with head -1) then the second (tail -1). It doesn’t matter if MYPID==MYPID2
MYPID=`ps aux | grep ‘pandora_server.pl’ | grep -v grep | tail -2 | head -1 | awk ‘{print $2}’`
MYPID2=`ps aux | grep ‘pandora_server.pl’ | grep -v grep | tail -1 | awk ‘{print $2}’`
if [ ! -z “$MYPID” ]
then
# there is at least one PID, so server is running, so put PID in the .pid file and create this file
echo $MYPID > $PANDORA_SERVER_PID
echo $MYPID2 >> $PANDORA_SERVER_PID
echo “Pandora Data Server is now running with PID $MYPID and $MYPID2”
else
# no PID collected, the server is not running
echo “Cannot start Pandora Data Server. Aborted”
fi
cd “$OLD_PATH”
;;
stop)
if [ -f $PANDORA_SERVER_PID ]
then
echo “Stopping Pandora Data Server”
# fetching PID from the .pid file it doesn’t matter if PID_1==PID_2
PID_1=`cat $PANDORA_SERVER_PID | head -1`
PID_2=`cat $PANDORA_SERVER_PID | tail -1`
# we check if PID_1 and PID_2 are still existing, if yes then we kill them
PIDS=`ps -F -p $PID_1 $PID_2 | grep -v grep | grep ‘pandora_server.pl’| awk ‘{print $2}’`
if [ ! -z “$PIDS” ]
then
kill $PIDS 2> /dev/null > /dev/null
fi
echo “Stopping PID: ” $PIDS
# we check if our PIDs were killed or not, we grep pandora_server. because of zombies loosing their “pl”
PIDS=`ps -F -p $PID_1 $PID_2 | grep -v grep | grep ‘pandora_server.’| awk ‘{print $2}’`
if [ ! -z “$PIDS”]
then
echo “Following PID didn’t stop, sending signal 9 to ” $PIDS
kill -9 $PIDS 2> /dev/null > /dev/null
fi
rm -f $PANDORA_SERVER_PID
echo Server Stopped
else
echo “Pandora Data Server is not running, cannot stop it.”
fi
;;
force-reload|restart)
$0 stop
$0 start
;;
*)
echo “Usage: pandora_network {start|stop|restart}”
exit 1
esac
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