Journalctl to file for logstash-forwarder process

logger

#!/bin/bash

is=`ps aux | grep "journalctl -f" | grep -v grep | awk '{print$2}'`
file=/var/log/system.log
msize="12400000"  # Max file sieze set to 10MB
asize=`ls -l /var/log/system.log | awk '{print$5}'`
logstaship=`fleetctl list-machines -l | grep logsystem | awk '{print$2}'` 
hostname=`hostname`

# Checking the size of log file 
if [ $asize -gt $msize ]
  then
echo "" > $file
fi

#Start Journal Dump if not working
if [ -z "$is" ]
  then
  sudo journalctl -f -a >> $file &
  sudo docker run -d --name logforwarder -h $hostname --env LOGSTASH_IP=$logstaship -v /var/log:/data/log million12/logstash-forwarder   
fi

exit 0