netcore.sh

#!/bin/bash
# Config ------------------------------------------------
outfile="${HOSTNAME}_Net_io_config.txt"
#--------------------------------------------------------


checkroot() {
	if [ $UID -ne 0 ] ; then
		echo "User has insufficient privilege."
		exit 4
	fi
}


header() { 
echo '' | tee -a $outfile
echo -e "----------------------" | tee -a $outfile
echo -e " [*] $title " | tee -a $outfile
echo -e "----------------------" | tee -a $outfile
}


hostnames() {
	title="Hostname"
	header $title
	hostname | tee -a $outfile
	cat /etc/*-release | tee -a $outfile
	uname -r | tee -a $outfile
}


netio_config () {
	title="Netio_config"
	header $title
	rmem=`/sbin/sysctl -a|grep -P net.core\..mem | grep rmem_default`
	wmem=`/sbin/sysctl -a|grep -P net.core\..mem | grep wmem_default`
	amem=`/sbin/sysctl -a|grep -P net.core\..mem | grep rmem_default | awk -F'= ' '{print$2}'`
	minimum=8388608
	if [ "$amem" -lt "$minimum" ]
		then
			echo "this system is below requirements." | tee -a $outfile
			echo $rmem | tee -a $outfile
			echo $wmem | tee -a $outfile
		else 
			echo system passes minimum requirements | tee -a $outfile
			/sbin/sysctl -a|grep -P net.core\..mem | tee -a $outfile
	fi
}


email() {
	mail -s "RIAK" ${SUDO_USER}@gmail.com < ${HOSTNAME}_Net_io_config.txt
	echo "Email delivered to ${SUDO_USER}@gmail.com"
	exit 0
}

checkroot
hostnames
netio_config
email