[Kea-users] How to insert IPv4 address with host reservation (mysql)

Thomas Markwalder tmark at isc.org
Thu Feb 7 20:32:50 UTC 2019


We moved everything to gitlab.  You can find it here:


We have migrated everything to gitlab. That article is now here:

https://gitlab.isc.org/isc-projects/kea/wikis/docs/editing-host-reservations

FYI, for the originals, you can try changing "kea.isc.org" to 
"oldkea.isc.org".  Can't guarantee that will always work but it does 
currently:

https://oldkea.isc.org/wiki/HostReservationsHowTo 
<https://kea.isc.org/wiki/HostReservationsHowTo>

Cheers,

Thomas Markwalder
ISC Software Engineering




On 2/7/19 2:54 PM, Jason Guy wrote:
> The best link used to be here:
> https://kea.isc.org/wiki/HostReservationsHowTo
> Alas that is not resolving anymore. Here is essentially the SQL 
> command from that link (was when 1.3 was new...but should be basically 
> the same in newer versions).
> I may have added the 'ON DUPLICATE KEY UPDATE' bit, since I use 
> ansible to provision this, but I cannot recall.
>
> START TRANSACTION;
> SET @ipv4_address='10.50.25.254';
> SET @ipv4_reservation=INET_ATON(@ipv4_address);
> SET @ipv6_address_reservation='fc00:10:50:25::254';
> SET @dhcp4_subnet_id=25;
> SET @dhcp6_subnet_id=25;
> SET @hostname = 'utility';
> SET @identifier_type='hw-address';
> SET @identifier_mac='00:05:1b:d0:4f:84';
> SET @identifier_value=UNHEX(REPLACE(@identifier_mac, ':', ''));
>
> INSERT INTO hosts (dhcp_identifier, dhcp_identifier_type, 
> dhcp4_subnet_id, dhcp6_subnet_id, ipv4_address, hostname)
> VALUES (
>     @identifier_value,
>     (SELECT type FROM host_identifier_type WHERE name=@identifier_type),
>     @dhcp4_subnet_id,
>     @dhcp6_subnet_id,
>     @ipv4_reservation,
>     @hostname
> )
> ON DUPLICATE KEY UPDATE
>     dhcp_identifier=@identifier_value,
>     dhcp4_subnet_id=@dhcp4_subnet_id,
>     dhcp6_subnet_id=@dhcp6_subnet_id,
>     ipv4_address=@ipv4_reservation,
>     hostname=@hostname
> ;
> SET @inserted_host_id = (SELECT host_id FROM hosts WHERE 
> dhcp_identifier=@identifier_value);
> INSERT INTO ipv6_reservations (address, type, host_id)
> VALUES (@ipv6_address_reservation, 0, @inserted_host_id)
> ON DUPLICATE KEY UPDATE
>     address=@ipv6_address_reservation,
>     type=0,
>     host_id=@inserted_host_id
> ;
> COMMIT;
>
>
> Cheers,
> Jason
>
>
> On Thu, Feb 7, 2019 at 2:05 PM MRob <mrobti at insiberia.net 
> <mailto:mrobti at insiberia.net>> wrote:
>
>     Hi, I learned how to insert into mysql host reservations for the
>     dhcp_identifier column like this:
>
>     INSERT INTO hosts (dhcp_identifier, hostname) VALUES
>     (UNHEX(REPLACE('AA:BB:11:22:CC:33', ':', '')), 'myhost')
>
>     Can anyone help me understand how to insert IPv4 address into the
>     "ipv4_address" column, the data type is integer.
>
>     Thank you.
>     _______________________________________________
>     Kea-users mailing list
>     Kea-users at lists.isc.org <mailto:Kea-users at lists.isc.org>
>     https://lists.isc.org/mailman/listinfo/kea-users
>
>
> _______________________________________________
> Kea-users mailing list
> Kea-users at lists.isc.org
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