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Only update ip on startup if neccessary

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This commit is contained in:
changeme 2020-06-25 19:53:02 +02:00
parent 184d316501
commit 4e0cced632
1 changed files with 5 additions and 1 deletions
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6
src/ddns_update.py
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@ -8,6 +8,7 @@ from os import environ
from netifaces import interfaces, ifaddresses, AF_INET6 from netifaces import interfaces, ifaddresses, AF_INET6
from ipaddress import ip_address from ipaddress import ip_address
from time import sleep from time import sleep
import socket
logging.basicConfig(level=logging.INFO, format="%(asctime)-15s - %(name)s %(levelname)-8s: %(message)s") logging.basicConfig(level=logging.INFO, format="%(asctime)-15s - %(name)s %(levelname)-8s: %(message)s")
log = logging.getLogger("ddns updater") log = logging.getLogger("ddns updater")
@ -72,7 +73,9 @@ def ddns_update(host, key, ip):
help="The ddns authorization key", help="The ddns authorization key",
) )
def loop_ddns_update(host, key): def loop_ddns_update(host, key):
last_ip = None last_ip = socket.getaddrinfo(host, None, socket.AF_INET6)[0][4][0]
log.debug(f"current registered address: {last_ip}")
while True: while True:
current_ip = get_global_ipv6() current_ip = get_global_ipv6()
if current_ip != last_ip: if current_ip != last_ip:
@ -84,4 +87,5 @@ def loop_ddns_update(host, key):
if __name__ == "__main__": if __name__ == "__main__":
log.info("starting...")
loop_ddns_update() loop_ddns_update()