vultr-update-ip.py

#!/usr/bin/python3
"""
    Update the vultr api for the my domain.
"""
import os
import requests
import syslog

PUBLIC_IP_ADDRESS = "https://api.ipify.org"
VULTR_API_UPDATE  = "https://api.vultr.com/v1/dns/update_record"

def main():
    api_key = os.getenv('VULTR_API', None)
    if api_key is None:
        return
    
    request = requests.get(PUBLIC_IP_ADDRESS)
    if request.status_code != 200:
        syslog.syslog(syslog.LOG_ERR, "Could not get the public ip address!")
        return

    ip = request.content.decode()

    # To get the record id see /dns/records
    data = {
        "RECORDID": None,
        "domain": None,
        "data": ip
    }
    headers = {"API-Key": api_key}

    # Update the IP
    request = requests.post(VULTR_API_UPDATE, data=data, headers=headers)
    if request.status_code != 200:
        syslog.syslog(syslog.LOG_ERR, "Could not update the IP! {}".format(request.text))
        return

    syslog.syslog(syslog.LOG_NOTICE, 'IP address updated! New address: {}'.format(ip))

if __name__ == "__main__":
    syslog.openlog(logoption=syslog.LOG_PID, facility=syslog.LOG_CRON)
    main()