OpenWrt Unbound stats collector

For OpenWrt 25.12

Collects Unbound regular stats (no extended stats)

# TYPE unbound_num_queries_ip_ratelimited_total counter
# TYPE unbound_num_queries_cookie_valid_total counter
# TYPE unbound_num_queries_cookie_client_total counter
# TYPE unbound_num_queries_cookie_invalid_total counter
# TYPE unbound_num_queries_discard_timeout_total counter
# TYPE unbound_num_queries_wait_limit_total counter
# TYPE unbound_cachehits_total counter
# TYPE unbound_cachemiss_total counter
# TYPE unbound_prefetch_total counter
# TYPE unbound_num_queries_timed_out_total counter
# TYPE unbound_query_queue_time_us_max gauge
# TYPE unbound_num_expired_total counter
# TYPE unbound_num_recursivereplies_total counter
# TYPE unbound_num_dns_error_reports_total counter
# TYPE unbound_requestlist_avg gauge
# TYPE unbound_requestlist_max gauge
# TYPE unbound_requestlist_overwritten_total counter
# TYPE unbound_requestlist_exceeded_total counter
# TYPE unbound_requestlist_current_all gauge
# TYPE unbound_requestlist_current_user gauge
# TYPE unbound_recursion_time_avg gauge
# TYPE unbound_recursion_time_median gauge
unbound_num_queries_total{} 32827
unbound_num_queries_ip_ratelimited_total{} 0
unbound_num_queries_cookie_valid_total{} 0
unbound_num_queries_cookie_client_total{} 0
unbound_num_queries_cookie_invalid_total{} 0
unbound_num_queries_discard_timeout_total{} 2
unbound_num_queries_wait_limit_total{} 0
unbound_cachehits_total{} 26013
unbound_cachemiss_total{} 6814
unbound_prefetch_total{} 1305
unbound_num_queries_timed_out_total{} 0
unbound_query_queue_time_us_max{} 0
unbound_num_expired_total{} 0
unbound_num_recursivereplies_total{} 6812
unbound_num_dns_error_reports_total{} 0
unbound_requestlist_avg{} 0.751201
unbound_requestlist_max{} 15
unbound_requestlist_overwritten_total{} 0
unbound_requestlist_exceeded_total{} 0
unbound_requestlist_current_all{} 0
unbound_requestlist_current_user{} 0
unbound_recursion_time_avg{} 0.052909
unbound_recursion_time_median{} 0.0139971

Package Name

• prometheus-node-exporter-lua-unbound

Dependencies

• prometheus-node-exporter-lua
• unbound-daemon
• luci-app-unbound (optional - for unbound settings GUI)

Required Unbound Settings

Add the following settings

• In LuCI under Services → Unbound DNS → Files → Extended
• Or edit file /etc/unbound/unbound_ext.conf
  and restart unbound service

remote-control:
    control-enable: yes
    control-interface: /run/unbound.ctl
    control-use-cert: no

Restart service prometheus-node-exporter-lua restart

service prometheus-node-exporter-lua restart

Test it

curl -s http://router:9100/metrics | grep unbound

That's it!

Enjoy!