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author | Andrew Tridgell <tridge@samba.org> | 2010-03-05 11:45:40 +1100 |
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committer | Andrew Tridgell <tridge@samba.org> | 2010-03-05 11:54:36 +1100 |
commit | 7d86257d54cb59d016a051b91bdee62ab2f8a0d5 (patch) | |
tree | ca682263ae2dffeaf58134e47080078864df64d4 /source4/scripting/python/samba_external/dnspython/examples/ddns.py | |
parent | f3ca7a4696cadbb74f41dd71ef9336445682d406 (diff) | |
download | samba-7d86257d54cb59d016a051b91bdee62ab2f8a0d5.tar.gz samba-7d86257d54cb59d016a051b91bdee62ab2f8a0d5.tar.bz2 samba-7d86257d54cb59d016a051b91bdee62ab2f8a0d5.zip |
s4-python: import a copy of the python dns library
This library is not installed on enough systems for us to rely
on it being available. We use the system copy if possible, and
fallback to this local copy
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
Diffstat (limited to 'source4/scripting/python/samba_external/dnspython/examples/ddns.py')
-rwxr-xr-x | source4/scripting/python/samba_external/dnspython/examples/ddns.py | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/source4/scripting/python/samba_external/dnspython/examples/ddns.py b/source4/scripting/python/samba_external/dnspython/examples/ddns.py new file mode 100755 index 0000000000..84814b73cf --- /dev/null +++ b/source4/scripting/python/samba_external/dnspython/examples/ddns.py @@ -0,0 +1,51 @@ +#!/usr/bin/env python + +# +# Use a TSIG-signed DDNS update to update our hostname-to-address +# mapping. +# +# usage: ddns.py <ip-address> +# +# On linux systems, you can automatically update your DNS any time an +# interface comes up by adding an ifup-local script that invokes this +# python code. +# +# E.g. on my systems I have this +# +# #!/bin/sh +# +# DEVICE=$1 +# +# if [ "X${DEVICE}" == "Xeth0" ]; then +# IPADDR=`LANG= LC_ALL= ifconfig ${DEVICE} | grep 'inet addr' | +# awk -F: '{ print $2 } ' | awk '{ print $1 }'` +# /usr/local/sbin/ddns.py $IPADDR +# fi +# +# in /etc/ifup-local. +# + +import sys + +import dns.update +import dns.query +import dns.tsigkeyring + +# +# Replace the keyname and secret with appropriate values for your +# configuration. +# +keyring = dns.tsigkeyring.from_text({ + 'keyname.' : 'NjHwPsMKjdN++dOfE5iAiQ==' + }) + +# +# Replace "example." with your domain, and "host" with your hostname. +# +update = dns.update.Update('example.', keyring=keyring) +update.replace('host', 300, 'A', sys.argv[1]) + +# +# Replace "10.0.0.1" with the IP address of your master server. +# +response = dns.query.tcp(update, '10.0.0.1', timeout=10) |