[Kea-users] kea-dhcp4 -t file: check the configuration file syntax and exit but fails because of interface

[Veronique Lefebure]

We want to be able to validate the configuration file without 
touching/accessing the production servers, for example for 
developing/testing/validating changes in the software that generates the 
configuration file.

On 27/08/2021 15:12, perl-list wrote:
> Is it not possible to, instead, check the conf file on host2 where it will live?
>
> ----- Original Message -----
>> From: "Veronique Lefebure" <veronique.lefebure at cern.ch>
>> To: "kea-users" <Kea-users at lists.isc.org>
>> Sent: Friday, August 27, 2021 5:39:15 AM
>> Subject: [Kea-users] kea-dhcp4 -t file: check the configuration file syntax and exit but fails because of interface
>> Hi,
>> Before deploying a new kea configuration file on our DHCP server, we
>> want to validate it.
>> The configuration file "kea-dhcp4.conf" is generated on host1 where we
>> want to validate it by running
>> kea-dhcp4 -t kea-dhcp4.conf
>> And once validation has passed, we plan to deploy "kea-dhcp4.conf" ho
>> the KEA server running on host2.
>> The problem we have is that validation fails with the following error:
>> Error encountered: Failed to select interface: interface 'xxxxx' doesn't
>> exist in the system (kea-dhcp4.conf:225:9) (kea-dhcp4.conf:224:7)
>> coming from
>> "interfaces-config": {
>> "interfaces": [
>> "xxxxx"
>> ],
>> "dhcp-socket-type": "udp"
>> },
>> Interface 'xxxxx' may exist on host2 but not on host1.
>> Is anyone encountering the same problem ?
>> Is there a work-around ?
>> Thanks,
>> Veronique
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