precheck.sh

#!/bin/sh


########################################################
#
# SF wrapper to enhance user experience of built-in duplicate_check tool 
#
########################################################

#********************************************************
#
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#********************************************************

# This script checks for conflicts on known ports that we need in operations

#*******************************************************
# Change Log
# v1.0 Aug 9, 2018 - doug; pre-check fro STAR-5302

OK=1

rpm -qV starfish
if [ $? -eq 0 ]; then
	echo "starfish is already installed. Exiting."
	#exit 0
fi

pgcount=`rpm -qa | egrep -c '^postgresql'`
if [[ $pgcount > 0 ]]; then
	echo "postgres is already installed. This may conflict with bundled version. Checking."
	syscnt=`systemctl -a | grep -c 'postgresql.*service'`
	if [[ $syscnt > 0 ]]; then
		echo -e "Postgres service is running. This should be disabled.\n\n"
	else
		echo Postgres service is not running. should be ok.
	fi
	OK=0
fi

echo "checking open ports"

for port in 80 443 8080; do
	stuff=`lsof -i :$port`
	if [[ $? == 0 ]]; then 
		echo -e "A web service is running on port $port This will conflict with Starfish. "
		echo -e "$stuff" | head -n 2
		echo "-----"
		OK=0
	fi
done

for port in 5432 5433; do
	# echo "checking port $port"
	stuff=`lsof -i :$port`
	if [[ $? == 0 ]]; then 
		echo -e "Something is already running on port $port. This will conflict with Postgres. "
		echo -e "$stuff" | head -n 2
		echo "-----"
		OK=0
	fi
done

echo "checking starfish API ports. Any thing below here may end up conflicting with Starfish services API."
for port in `seq 30000 30100`; do
	# echo "checking port $port"
	stuff=`lsof -i :$port` 
	if [[ $? == 0 ]]; then
		echo " A service is using port $port. This could conflict with Starfish:"
		echo -e "$stuff" | head -n 2
		echo "------"
		OK=0
	fi
done

if [[ $OK == 0 ]]; then
	echo 
	echo "Found Potential issues during precheck. Please address."
else
	echo "[[32mPrecheck looks OK. No conflicts"
fi