Convert certification of let's encrypt to use in tomcat

converLetsencryptToUseInTomcat.sh

#!/bin/bash

CERT_PATH="$1"
PRIVATE_PATH="$2"
CHAIN_PATH="$3"
FULLCHAIN_PATH="$4"

function checkArg()
{
        result=1
        if [ -z "$CERT_PATH" ] || [ -z "$PRIVATE_PATH" ] || [ -z "$CHAIN_PATH" ] || [ -z "$FULLCHAIN_PATH" ]
        then
        echo "Usage : $0 <cert.pem path> <private.pem path> <chain.pem path> <fullchain.path>"
        return $result
        fi
        result=0
        return $result
}

if ! checkArg
then
        exit 1
fi

openssl pkcs12 -export -in $FULLCHAIN_PATH -inkey $PRIVATE_PATH -out keystore.p12 -name tomcat -CAfile $CHAIN_PATH -caname root