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Feature #8430

closed

Add DNS Resolver status page

Added by Jim Pingle almost 6 years ago. Updated almost 6 years ago.

Status:
Resolved
Priority:
Low
Assignee:
Category:
DNS Resolver
Target version:
Start date:
04/04/2018
Due date:
% Done:

50%

Estimated time:
Plus Target Version:
Release Notes:

Description

We can fetch some useful status data from unbound using unbound-control -c /var/unbound/unbound.conf <command>, and it would be nice to show some of that to users if we can find a clean way to format it.

At a minimum, dump_infra output should be there so users can have visibility of the internal tracking stats unbound is using about upstream DNS servers. In resolver mode, it lists the roots, in forwarding mode it lists the forwarding servers.

We could also have a page to show the output of dump_cache but that may need some special handling due to its potential size in a busy environment.

There is also some interesting info in stats_noreset but we'd need to pick and choose what to show to avoid information overload.

Potential gotchas: dump_infra will be empty if there have been no DNS queries recently. There are some cases where unbound-control fails to run that still need investigation.

Setting to 2.4.4 for now, but can be moved forward if there is no time for it.

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