flo/nsupdate.info
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added docstring

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Thomas Waldmann 2013-09-29 02:00:15 +02:00
parent 0a297b04ee
commit 726a5696bd
1 changed files with 9 additions and 0 deletions
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9
nsupdate/main/dnstools.py
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@ -21,6 +21,15 @@ class SameIpError(ValueError):
def update(fqdn, ipaddr, ttl=60):
"""
intelligent dns updater - first does a lookup on the master server to find
the current ip and only sends a dynamic update if we have a different ip.
:param fqdn: fully qualified domain name (str)
:param ipaddr: new ip address
:param ttl: time to live, default 60s (int)
:raises: SameIpError if new and old IP is the same
"""
af = dns.inet.af_for_address(ipaddr)
rdtype = 'A' if af == dns.inet.AF_INET else 'AAAA'
try: