init-script.sh

#!/bin/bash

if [ -f /etc/allset ]; then 
	echo "All Set .. Skipping"
	exit 
fi
	
Print() {

	case $3 in 
		B) COL="\e[34m" ;;
		G) COL="\e[32m" ;;
		Y) COL="\e[33m" ;;
		R) COL="\e[31m" ;;
	esac

			if [ "$1" = SL ]; then 
				echo -n -e "$COL$2\e[0m"
			elif [ "$1" = NL ]; then 
				echo -e "$COL$2\e[0m"
			else
				echo -e "$COL$2\e[0m"
			fi
}

SELINUX() {
    Print "SL" "=>> Checking SELINUX.. " "B"
	S=$(sestatus  |grep 'SELinux status'  |awk '{print $NF}')
	if [ "$S" = "enabled" ]; then 
		Print "NL" "Enabled.." "R"
		Print "SL" "+>> Disabling SELINUX.." B
		sed -i -e '/^SELINUX/ c SELINUX=disabled' /etc/selinux/config
		Print "NL" "Success" G
		rreq=yes
	else
		Print NL "Disabled" G
	fi 
}

PACK() {

	Print SL "=>> Installing base Packages.. " B
	yum install wget bzip2 zip unzip gzip vim net-tools facter git -y &>/dev/null
	Print NL Success G
}

LENV() {

	Print SL "=>> Setting Enviornment.. " B
	sed -i -e '/TCPKeepAlive/ c TCPKeepAlive yes' -e '/ClientAliveInterval/ c ClientAliveInterval 10' /etc/ssh/sshd_config
	curl https://raw.githubusercontent.com/linuxautomations/scripts/master/ps1.sh > /etc/profile.d/ps1.sh 2>/dev/null
	chmod +x /etc/profile.d/ps1.sh
	curl -s https://raw.githubusercontent.com/linuxautomations/scripts/master/devops-env.sh >/etc/profile.d/devops-env.sh
	
	curl https://raw.githubusercontent.com/linuxautomations/scripts/master/idle.sh -o /boot/idle.sh &>/dev/null
	chmod +x /boot/idle.sh
	sed -i -e '/idle/ d' /var/spool/cron/root &>/dev/null
	echo "*/10 * * * * sh -x /boot/idle.sh &>/tmp/idle.out" >/var/spool/cron/root
	chmod 600 /var/spool/cron/root
	
	echo -e "LANG=en_US.utf-8\nLC_ALL=en_US.utf-8" >/etc/environment
	Print NL Success G
	wget https://raw.githubusercontent.com/carreerit/altus/master/enable-password-auth.sh -O /sbin/enable-password-auth.sh &>/dev/null
	chmod +x /sbin/enable-password-auth.sh
	wget https://raw.githubusercontent.com/linuxautomations/labautomation/master/labauto -O /sbin/labauto &>/dev/null
	chmod +x /sbin/labauto
}

if [ `id -u` -ne 0 ]; then 
	Print "NL" "You Should be root user to perform this Script" R
	exit 2
fi


if [ $(rpm -qa |grep ^base |awk -F . '{print $(NF-1)}') = "el6" ]; then 
	SELINUX
	Print "SL" "=>> Disabling Firewall.. " "B"
    service iptables stop &>/dev/null && service ip6tables stop &>/dev/null && chkconfig iptables off && chkconfig ip6tables off
    if [ $? -eq 0 ]; then 
		Print NL Success G
	else
		Print NL Failure R
	fi

	LENV
	PACK

	if [ "$rreq" = "yes" ]; then 
		Print "NL" "Rebooting Server.. Try to connect back in 15 sec" R
		reboot
	fi

	Print NL "Run of Init Script .. Completed.. System is ready to use" B 
	exit 0
fi 


SELINUX
Print "SL" "=>> Disabling Firewall.. " "B"
systemctl disable firewalld &>/dev/null
if [ $? -eq 0 ]; then 
	Print NL Success G
else
	Print NL Failure R
fi

PACK
LENV

if [ "$rreq" = "yes" ]; then 
	Print "NL" "Rebooting Server.. Try to connect back in 15 sec" R
	reboot
fi

Print NL "Run of Init Script .. Completed.. System is ready to use" B