ducoterra
ef9104c796
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127 lines
4.1 KiB
Python
127 lines
4.1 KiB
Python
"""
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export HOSTED_ZONE_ID=<aws hosted zone ID>
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export ROUTE53_RECORD=something.mydomain.com
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"""
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import boto3
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import os
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import logging
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import subprocess
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s.%(msecs)03d %(levelname)s %(module)s - %(funcName)s: %(message)s',
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datefmt='%Y-%m-%d %H:%M:%S',
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)
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logger = logging.getLogger(__name__)
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logger.setLevel(logging.INFO)
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HOSTED_ZONE_ID = os.getenv("HOSTED_ZONE_ID")
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ROUTE53_RECORD = os.getenv("ROUTE53_RECORD")
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SKIP_IPV4 = os.getenv("SKIP_IPV4", "false").lower() == "true"
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SKIP_IPV6 = os.getenv("SKIP_IPV6", "false").lower() == "true"
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def get_ipv4() -> str:
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result = subprocess.run(["curl", "-4", "ifconfig.me"], capture_output=True)
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return result.stdout.decode()
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def get_ipv6() -> str:
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result = subprocess.run(["curl", "-6", "ifconfig.me"], capture_output=True)
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return result.stdout.decode()
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def update_ipv4(hosted_zone_id: str, record: str, public_ipv4: str):
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client = boto3.client("route53")
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try:
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logger.info("Calling upsert for ipv4.")
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client.change_resource_record_sets(
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HostedZoneId=hosted_zone_id,
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ChangeBatch={
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"Comment": "Update Public Addresses",
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"Changes": [
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{
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"Action": "UPSERT",
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"ResourceRecordSet": {
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"Name": f"{record}",
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"Type": "A",
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"TTL": 300,
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"ResourceRecords": [
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{
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"Value": public_ipv4
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}
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]
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}
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}
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]
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}
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)
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logger.info(f"Successfully updated ipv4 for {record}")
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except Exception as e:
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logger.error(f"Error updating ipv4 for {record}.")
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raise e
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def update_ipv6(hosted_zone_id: str, record: str, public_ipv6: str):
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client = boto3.client("route53")
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try:
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logger.info("Calling upsert for ipv6.")
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client.change_resource_record_sets(
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HostedZoneId=hosted_zone_id,
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ChangeBatch={
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"Comment": "Update Public Addresses",
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"Changes": [
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{
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"Action": "UPSERT",
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"ResourceRecordSet": {
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"Name": f"{record}",
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"Type": "AAAA",
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"TTL": 300,
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"ResourceRecords": [
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{
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"Value": public_ipv6
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}
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]
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}
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}
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]
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}
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)
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logger.info(f"Successfully updated ipv6 for {record}")
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except Exception as e:
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logger.error(f"Error updating ipv6 for {record}.")
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raise e
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def main():
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if not HOSTED_ZONE_ID:
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logger.error("HOSTED_ZONE_ID env var not found!")
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exit(1)
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if not ROUTE53_RECORD:
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logger.error("ROUTE53_RECORD env var not found!")
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exit(1)
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logger.info(f"Attempting to update {ROUTE53_RECORD} from {HOSTED_ZONE_ID}.")
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if SKIP_IPV4:
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logger.warning("Skipping IPv4.")
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else:
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logger.info("Getting IPv4 address from ifconfig.me")
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public_ipv4 = get_ipv4()
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if not public_ipv4:
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logger.error("Public IPv4 not found.")
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exit(1)
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logger.info(f"Public IPv4 is {public_ipv4}")
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update_ipv4(hosted_zone_id=HOSTED_ZONE_ID, record=ROUTE53_RECORD, public_ipv4=public_ipv4)
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if SKIP_IPV6:
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logger.warning("Skipping IPv6")
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else:
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logger.info("Getting IPv6 address from ifconfig.me")
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public_ipv6 = get_ipv6()
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if not public_ipv6:
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logger.error("Public IPv6 not found.")
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exit(1)
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logger.info(f"Public IPv6 is {public_ipv6}")
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update_ipv6(hosted_zone_id=HOSTED_ZONE_ID, record=ROUTE53_RECORD, public_ipv6=public_ipv6)
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if __name__ == "__main__":
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main() |