You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
1.9 KiB
79 lines
1.9 KiB
#!/usr/bin/env python
|
|
|
|
## imports
|
|
import json
|
|
import requests
|
|
import os, sys
|
|
import logging
|
|
import logging.handlers
|
|
from dotenv import load_dotenv
|
|
|
|
my_logger = logging.getLogger('MyLogger')
|
|
my_logger.setLevel(logging.DEBUG)
|
|
|
|
handler = logging.handlers.SysLogHandler(address = '/dev/log')
|
|
formatter = logging.Formatter("dyndns-update: %(message)s")
|
|
handler.setFormatter(formatter)
|
|
|
|
my_logger.addHandler(handler)
|
|
|
|
|
|
env_path = os.path.abspath ( os.path.join ( os.curdir, os.path.relpath('.env') ) )
|
|
load_dotenv(verbose=True, dotenv_path=env_path)
|
|
|
|
## constants
|
|
|
|
PDNS_API_BASE = os.getenv("PDNS_API_BASE")
|
|
PDNS_TOKEN = os.getenv("PDNS_TOKEN")
|
|
TMPFILE = '/tmp/lastIP'
|
|
|
|
def get_ip():
|
|
r = requests.get('http://ipinfo.io')
|
|
return (r.json()['ip'])
|
|
|
|
def set_record(zone, name, type, record):
|
|
payload = {
|
|
'rrsets': [
|
|
{
|
|
'name': name,
|
|
'type': type,
|
|
'ttl': 30,
|
|
'changetype': "REPLACE",
|
|
'records': [ record ]
|
|
}
|
|
]
|
|
}
|
|
p = requests.patch(PDNS_API_BASE + 'zones/' + zone, headers={'X-API-KEY': PDNS_TOKEN}, json=payload)
|
|
return (p.status_code)
|
|
|
|
|
|
if len(sys.argv) > 2:
|
|
if os.path.exists(TMPFILE):
|
|
with open(TMPFILE) as file:
|
|
try:
|
|
lastIP=file.read()
|
|
except:
|
|
my_logger.critical('error reading ' + TMPFILE)
|
|
else:
|
|
lastIP = ''
|
|
|
|
currentIP = get_ip()
|
|
|
|
if lastIP == currentIP:
|
|
my_logger.debug ('IP has not changed since last call')
|
|
exit()
|
|
|
|
record = {
|
|
'disabled': False,
|
|
'content': currentIP
|
|
}
|
|
|
|
if (set_record (sys.argv[1], sys.argv[2]+'.', 'A', record) == 204):
|
|
my_logger.debug('IP of ' + sys.argv[2] + ' successfully changed to ' + currentIP)
|
|
|
|
with open(TMPFILE, 'w') as file:
|
|
file.write(currentIP)
|
|
|
|
else:
|
|
print('Updates IP record of NAME in ZONE to current IP from ipinfo.io\n\nUsage:\n' + sys.argv[0] + ' ZONE NAME')
|