halbebruno/cloudflare-ddns
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Merge pull request #33 from markormesher/feat/handle-sigterm

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handle sigterm and shutdown immediately
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Timothy Miller 2021-01-23 11:50:23 -05:00 committed by GitHub
commit 6140917119
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1 changed files with 25 additions and 16 deletions
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35
cloudflare-ddns.py
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@ -1,4 +1,4 @@
import requests, json, sys, os import requests, json, sys, signal, os
import time import time
PATH = os.getcwd() + "/" PATH = os.getcwd() + "/"
@ -7,6 +7,12 @@ version = float(str(sys.version_info[0]) + "." + str(sys.version_info[1]))
if(version < 3.5): if(version < 3.5):
raise Exception("This script requires Python 3.5+") raise Exception("This script requires Python 3.5+")
def sigtermHandler(sig_no, stack_frame):
print("Caught SIGTERM, shutting down...")
sys.exit(0)
signal.signal(signal.SIGTERM, sigtermHandler)
with open(PATH + "config.json") as config_file: with open(PATH + "config.json") as config_file:
config = json.loads(config_file.read()) config = json.loads(config_file.read())
@ -126,17 +132,20 @@ def updateIPs():
for ip in getIPs(): for ip in getIPs():
commitRecord(ip) commitRecord(ip)
if(len(sys.argv) > 1): try:
if(sys.argv[1] == "--repeat"): if(len(sys.argv) > 1):
print("Updating A & AAAA records every 10 minutes") if(sys.argv[1] == "--repeat"):
updateIPs() print("Updating A & AAAA records every 10 minutes")
delay = 10*60 # 10 minutes
next_time = time.time() + delay
while True:
time.sleep(max(0, next_time - time.time()))
updateIPs() updateIPs()
next_time += (time.time() - next_time) // delay * delay + delay delay = 10*60 # 10 minutes
next_time = time.time() + delay
while True:
time.sleep(max(0, next_time - time.time()))
updateIPs()
next_time += (time.time() - next_time) // delay * delay + delay
else:
print("Unrecognized parameter '" + sys.argv[1] + "'. Stopping now.")
else: else:
print("Unrecognized parameter '" + sys.argv[1] + "'. Stopping now.") updateIPs()
else: except SystemExit:
updateIPs() print("Goodbye!")