halbebruno/cloudflare-ddns
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Add a flag to modify config.json location

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On Kubernetes, it's really awkward to write a Secret into the root directory:

https://www.jeffgeerling.com/blog/2019/mounting-kubernetes-secret-single-file-inside-pod

Therefore this adds support for reading the config from an arbitrary path. The
behaviour is unchanged if you don't set this new flag.
This commit is contained in:
Brendan Jackman 2021-02-28 18:24:25 +01:00
parent 8c55892f32
commit 0f3708a482
1 changed files with 6 additions and 8 deletions
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14
cloudflare-ddns.py
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@ -21,9 +21,6 @@ class GracefulExit:
print("🛑 Stopping main thread...") print("🛑 Stopping main thread...")
self.kill_now = True self.kill_now = True
with open(PATH + "config.json") as config_file:
config = json.loads(config_file.read())
def deleteEntries(type): def deleteEntries(type):
# Helper function for deleting A or AAAA records # Helper function for deleting A or AAAA records
# in the case of no IPv4 or IPv6 connection, yet # in the case of no IPv4 or IPv6 connection, yet
@ -70,7 +67,7 @@ def getIPs():
}) })
return ips return ips
def commitRecord(ip): def commitRecord(ip, config):
for c in config["cloudflare"]: for c in config["cloudflare"]:
subdomains = c["subdomains"] subdomains = c["subdomains"]
response = cf_api("zones/" + c['zone_id'], "GET", c) response = cf_api("zones/" + c['zone_id'], "GET", c)
@ -143,13 +140,14 @@ def cf_api(endpoint, method, config, headers={}, data=False):
return response.json() return response.json()
def updateIPs(): def updateIPs(config):
for ip in getIPs(): for ip in getIPs():
commitRecord(ip) commitRecord(ip, config)
if __name__ == '__main__': if __name__ == '__main__':
parser = argparse.ArgumentParser() parser = argparse.ArgumentParser()
parser.add_argument("--repeat", type=bool) parser.add_argument("--repeat", type=bool)
parser.add_argument("--config-path", dest="config", type=open, default=os.path.join(PATH, "config.json"))
args = parser.parse_args() args = parser.parse_args()
if args.repeat: if args.repeat:
@ -159,8 +157,8 @@ if __name__ == '__main__':
killer = GracefulExit() killer = GracefulExit()
while not killer.kill_now: while not killer.kill_now:
time.sleep(max(0, next_time - time.time())) time.sleep(max(0, next_time - time.time()))
updateIPs() updateIPs(json.load(args.config))
next_time += (time.time() - next_time) // delay * delay + delay next_time += (time.time() - next_time) // delay * delay + delay
else: else:
updateIPs() updateIPs(json.load(args.config))