vpn_script

#!/bin/bash

RED='\033[1;31m'
BLUE='\033[1;34m'
GREEN='\033[1;32m'
NC='\033[0m' # No Color

function start() {
    p=`ps aux|grep openvpn|grep SUSE|grep -v grep|awk '{print $2}'`
    if [[ "$p" != "" ]]; then
        printf "${RED}OpenVPN is already running with process $p. Will not start again...${NC}\n\n"
	#ps aux|grep [o]penvpn
    else
	user=`cat /etc/openvpn/user.txt`
        printf "${GREEN}Starting OpenVPN for user ${user}. Please enter password...${NC}\n\n"
        sudo systemctl start [email protected]
	sleep 4
        for i in `seq 1 10`; do
            p=`ps aux|grep openvpn|grep SUSE|grep -v grep|awk '{print $2}'`
            if [[ "$p" == "" ]]; then
                printf "${RED}There is some problem starting the openvpn process${NC}\n\n"
                exit 1
            fi
            sleep 1
        done
	printf "${GREEN}OpenVPN running with pid=${p}${NC}\n\n"

    fi
}

function stop() {
    p=`ps aux|grep openvpn|grep SUSE|grep -v grep|awk '{print $2}'`
    if [[ "$p" != "" ]]; then
        ps aux|grep [o]penvpn
	printf "${GREEN}Killing process $p ${NC}\n\n"
        sudo kill -9 $p
	printf "${GREEN}Process OpenVPN with PID $p killed${NC}\n\n"
    else
        printf "${RED}Can't kill process. OpenVPN is not running${NC}\n\n"
    fi
}

function check() {
    p=`ps aux|grep openvpn|grep SUSE|grep -v grep|awk '{print $2}'`
    if [[ "$p" != "" ]]; then
        printf "${GREEN}OpenVPN process running with PID $p ${NC}\n\n"
        #ps aux|grep [o]penvpn
    else
        printf "${RED}No OpenVPN process runnign ${NC}\n\n"
    fi
}



if [[ "$1" == "stop" ]] || [[ "$1" == "s" ]] || [[ "$1" == "--stop" ]] || [[ "$1" == "-s" ]]; then
    stop
elif [[ "$1" == "check" ]] || [[ "$1" == "c" ]] || [[ "$1" == "--check" ]] || [[ "$1" == "-c" ]]; then
    check
elif [[ "$1" == "-h" ]] || [[ "$1" == "--help" ]] || [[ "$1" == "h" ]] || [[ "$1" == "help" ]]; then
    printf  "${BLUE}usage${NC}: myvpn [stop|s|check|c] or [--stop|-s|--check|-c], with no args to start\n\n"
else
    start
fi