#!/bin/bash
##############################################################
# File Name: syslog.sh
# Version: V1.0
# Author: sanshi
# Organization: https://www.9133w.cn
# Created Time : 2019-02-17 21:13:30
# Description:
##############################################################
[ $EUID -ne 0 ] && echo "root privileges need...." && exit 0
Log_Path="/data/logs"
[ -d $Log_Path ] || mkdir -p $Log_Path
if ! rpm -q syslog-ng &> /dev/null
then
	rpm -q epel-release &> /dev/null || yum install -y epel-release
	req=$?
	[ $req -ne 0 ] && echo "epel-release install failure" && exit 1
	yum install -y syslog-ng
	req=$? && [ $req -ne 0 ] && echo "syslog-ng install failure" && exit 1
fi
sed -i 's/create_dirs (no)/create_dirs (yes)/' /etc/syslog-ng/syslog-ng.conf

while :
do
	echo "input a program name:"
	read Pro_Name
	if [ "$Pro_Name" = "q" -o "$Pro_Name" = "quit" ]
	then
		break
	elif [ "$Pro_Name" =~ [[:space:]] ]
	then
		echo "program name can not include space."
		continue
	fi
	for i in {15510..15600}
	do
		if grep -q "port($i)" /etc/syslog-ng/syslog-ng.conf
		then
			Port_Log=$i
			break
		fi
	done
	cat >> /etc/syslog-ng/syslog-ng.conf << EOF
source ${Pro_Name}_log { udp((0.0.0.0) port($Port_Log)); };
destination d_${Pro_Name} { file("$Log_Path/${Pro_Name}.log"); };
log { source(${Pro_Name}_log); destination(d_${Pro_Name}); };
EOF
done
systemctl start syslog-ng