MAAS 2.9.0 DNS zone remove @ labels impossible

[Bart Vrancken]

When creating a zone, e.g. maas.nl you might want to add labels for maas.nl (a) like

1.1.1.1 maas.nl
2.2.2.2 maas.nl

This works, however when trying to edit or deleting them you can not.

editting them returns an error:

list.remove(x): x not in list

deleting them does not return an error, but does not delete the item either.

[Bart Vrancken (bartvrancken)]

Also you cannot delete the zone, because it has labels, making any workarround impossible.

[Bart Vrancken (bartvrancken)]

workarround for this issue:

- Export the entries using the CLI e.g. to CSV
- rename the zone from maas.nl to maas-old.nl and disable authoritive
- create a new zone maas.nl
- readd the labels using the CLI

[Caleb Ellis (caleb-ellis)]

Hi Bart,

Sorry I don't fully understand the issue you're experiencing. Just to confirm - you're seeing this error using the UI? Can you run through the steps that result in the error, e.g. which type of resource record is selected, what's entered into the "Data" field etc. Thanks.

[Christian Grabowski (cgrabowski)]

Able to reproduce in master as well.

This appears to be an issue with the websocket handler receiving an empty string for the record's name. As the REST api uses the id, @ records can still be successfully deleted via DELETE /MAAS/api/2.0/dnsresources/{id} and DELETE /MAAS/api/2.0/dnsresourcerecords/{id}.