Running on lenny I have dhcp3-server set to ddns (interim) updating bind9.
This works fine as is.
Each recognised host on the network is identified by its mac address -
something like:
host hostname {
hardware ethernet XX:XX:XX:XX:XX:XX;
fixed-address 192.168.1.X;
ddns-hostname "hostname";
}
(guest hosts get handled via a call to ddns-hostname = binary-to-ascii(10, 8,
"-", leased-address); and are not an issue here).
The thing is - for some of the hosts I could really use some CNAME aliases
added to DNS.
What I'd like to get is the effect of:
host hostname {
hardware ethernet XX:XX:XX:XX:XX:XX;
fixed-address 192.168.1.X;
ddns-hostname "hostname";
ddns-hostname-aliases "alias1, alias2";
}
Now - I know that ddns-hostname-aliases doesn't exist. Nor have I found
anything like this via google - just other people looking for similar solutions.
However, it's the effect I'm trying to achieve here - of adding CNAMEs at the
same time as adding an A record - and removing them at DHCP lease expiry.
I see that nsupdate can take a CNAME update.
nsupdate
> update add alias1.domain.tld 3600 IN CNAME hostname.domain.tld
> send
But I can't see any support in the current dhcpd setup for sending this.
Does anyone have any suggestions as to other ways to trigger the update?
Perhaps someway to call nsupdate as a kind of trigger on update of dhcp or
something?
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