[Freeipa-devel] [PATCH] 531 make DNS autodiscovery smarter

[Rob Crittenden]

Adam Young wrote:
> On 09/17/2010 09:33 PM, Rob Crittenden wrote:
>> Better distinguish between when DNS discovery works and search more
>> domains.
>>
>> Passing domain and server on the command-line used to be considered as
>> DNS autodiscovery worked. This was problematic if there was in fact no
>> SRV records because krb5.conf would be configured without a specific
>> KDC causing all Kerberos ops to fail.
>>
>> Now if you pass in a domain/server it still tries to see if they are
>> discoverable and if so won't hardcode a server, but will fall back to
>> doing so if necessary.
>>
>> Also be a lot more aggressive on looking for the SRV records. Use the
>> search and domain values from /etc/resolv.conf on the chance that the
>> SRV records aren't in the domain of the hostname of the machine.
>>
>> An example of this would be if your laptop is in dhcp.example.com and
>> your company's SRV records are in corp.example.com. Searching
>> dhcp.example.com and example.com won't find the SRV records but the
>> user is likely to have corp.redhat.com in the search list, at least.
>>
>> rob
>>
>>
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> ACK

pushed to master