ipcheck

#!/bin/sh
# IP Checker Script
# Possible sources: https://ipinfo.io, http://ipecho.net/plain, http://ifconfig.me

if [ ! -f /tmp/ip.txt ]
then
    echo "" > /tmp/ip.txt
    echo "" > /tmp/last.txt
fi

oldip=$(cat /tmp/ip.txt)
iodata=$(curl -s 'https://ipinfo.io')
ioip=$(echo ${iodata} | jq -r '.ip')

if [ "$ioip" != "$oldip" ] || [ "$1" = "run" ]
then
    iohost=$(echo ${iodata} | jq -r '.hostname')
    iocity=$(echo ${iodata} | jq -r '.city')
    iostate=$(echo ${iodata} | jq -r '.region')
    iocountry=$(echo ${iodata} | jq -r '.country')
    ioloc=$(echo ${iodata} | jq -r '.loc')
    iozip=$(echo ${iodata} | jq -r '.postal')
    ioprovider=$(echo ${iodata} | jq -r '.org')
    thishost=$(hostname)
    namehost=$(echo $thishost | awk '{print toupper($0)}')

    username="USERNAMEHERE"
    password="PASSWORDHERE"
    hostname="HOSTNAMEHERE"
    url="https://${username}:${password}@domains.google.com/nic/update?hostname=${hostname}&myip=${ioip}"
    result=`curl -s $url`
    echo "Subject:PI NOTIFICATION\n\nIP address for $namehost updated\n\nNew IP: $ioip \nOld IP: $oldip \n\nDNS Update Status: $result \n\nISP Details:\n $iohost \n $ioprovider \n $iocity, $iostate $iozip - $iocountry \n GPS:$ioloc " | /usr/sbin/ssmtp EMAIL@EMAIL.com
    echo "$ioip" > /tmp/ip.txt
    echo "$oldip" > /tmp/last.txt
fi