On 01/25/2012 05:18 PM, Sigbjorn Lie wrote:
> On 01/25/2012 02:30 AM, ~Stack~ wrote:
>> 2) How do I get dhcpd to update DNS?
>> Since I can't find the place to add rndc-keys to BIND, right now I have
>> to add every host manually in the web interface because dhcpd isn't
>> updating named. This is time consuming and a pain when dealing with
>> large amounts of systems. If I could figure out where the named zones
>> are stored in IPA I should be able to add my rndc-key and be OK, but
>> that gets back into question 1.
>> My /etc/dhcp/dhcpd.conf file is pretty basic but all the PXE clients
>> have host entries to match their MAC with the group that allows PXE
>> booting (ex: host pxe001.project.local{hardware ethernet
>> 00:16:17:AB:E9:88; fixed-address}).  Unless I mange both
>> this file and the IPA interface, the nodes have issues figuring out
>> their name. One or the other and the node has issues; both and it works.
>> I would really prefer not to manage two locations for all these nodes.
>> The normal way for dhcpd to talk to BIND(named) is by having a rndc-key.
>> However, me fighting with named.conf was the big part of my problems
>> before so I am hoping there is a simple way of doing this inside IPA.
>> Any ideas?
> This is what I have done to work around issues similar to yours.
> Over a few years I have developed a pxe boot toolbox called
> OneClickKick. OCK manages DHCPD by generating config files based upon
> information looked up from naming sources such as Mysql, NIS, or LDAP
> (IPA). It also creates the PXE boot files in tftpboot/pxelinux.cfg, and
> serves kickstart files when PXE booting clients.
> I have integrated OCK with IPA to make IPA keep records of the MAC
> address, and base my DHCP config upon the information I get from IPA.
> For your configuration, the steps for adding a new client would be the
> following:
> 1. Add the host to IPA, specify an IP address so that forward and
> reverse DNS records are created for the host
> 2. The host will appear in OneClickKick, select modify, add the MAC
> address (this is being written to the host object in IPA), and select it
> for PXE boot / kickstart. This will generate the DHCP config file,
> reload dhcpd, and create the required files in the tftpboot/pxelinux.cfg
> directory (if you enabled it for PXE booting).
> 3. PXE boot the client.
> By doing this you eliminate the need for dhcpd to update the DNS server,
> because the records are already there.
> The MAC addresses stored in IPA can also be used by normal Linux and
> Solaris (Jumpstart) clients by utilizing their "ethers" table in
> nsswitch.conf.
> Have a look at the link below to read more and download if you think
> OneClickKick could suit your environment.
> http://sourceforge.net/projects/oneclickkick/

Thank you! I will take a look at it tomorrow.


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