Before we relied on the combined data being present in ipsets.json
when generating a new config, but ipsets.json is only updated through
the form at /ipsets. So submitting any other form after changing
NetBox definitions might crash when trying to find an entry from
networks.json in ipsets.json.
Now we introduce a helper functon to always read both files and
combine the prefixes fron networks.json with ipsets.json. This way it
is not necessary to save a new ipsets.json before other changes.
Also don’t crash when enumerating networks for each VPN group.
Custom keys are created by admin and specify networks directly,
bypassing AD permissions. They are intended to join managed devices
into networks where users are not allowed to create keys themselves.
Also comprehend a set directly.
Use a single lock for everything to ensure we don’t go inconsistent.
One exception is the firewall nodes table which is only accessed when
pushing updated config.
Timotej Lazar