Revision of ddnsupdate.py

1 file changed, 45 insertions

ddnsupdate.py(file created)

		@@ -0,0 +1,45 @@
1	+	import requests,time,socket,json,sys
2	+
3	+	def init_settings():
4	+	try:
5	+	with open("settings.json") as f:
6	+	settings = json.load(f)
7	+	return settings
8	+	except:
9	+	with open("settings.json", "w") as f:
10	+	settings = dict(domain="REPLACE_WITH_DOMAIN",
11	+	host="REPLACE_WITH_SUBDOMAIN",
12	+	password="REPLACE_WITH_DDNS_PASSWORD",
13	+	updateUrl="https://dynamicdns.park-your-domain.com/update")
14	+	f.write(json.dumps(settings))
15	+	return False
16	+
17	+	def do_update(settings):
18	+	with open("ddns.log", "a") as f:
19	+	settings["ip"] = requests.get("http://ipv4.icanhazip.com").text.strip()
20	+	oldip = socket.gethostbyname("{host}.{domain}".format(**settings))
21	+	if settings["ip"] != oldip:
22	+	d = requests.get(settings.pop("updateUrl"), params=settings).text
23	+	if "<Done>true</Done>" in d:
24	+	logline = "{}: Success ({})\r\n".format(time.ctime(), settings["ip"])
25	+	retval = 0
26	+	else:
27	+	logline = "{}: Error: {} ({})\r\n".format(time.ctime(), d, settings["ip"])
28	+	retval = 1
29	+	else:
30	+	logline = "{}: Skipping ({})\r\n".format(time.ctime(), settings["ip"])
31	+	retval = 5
32	+	f.write(logline)
33	+	print logline.strip()
34	+	return retval
35	+
36	+	def main():
37	+	settings = init_settings()
38	+	if settings:
39	+	return do_update(settings)
40	+	else:
41	+	print "settings.json updated with url parameters, please update to fit the url provided by your DDNS service"
42	+	return 50
43	+
44	+	if __name__ == "__main__":
45	+	sys.exit(main())

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