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Find a better way to monitor FMN notifications UI #13082

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opened 2026-01-26 16:21:04 +00:00 by gwmngilfen · 4 comments
gwmngilfen commented 2026-01-26 16:21:04 +00:00
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Description of request

Right now we use a datanommer check to monitor the FMN UI, but sometimes that emits an alert just because no one has edited a rule for a while.

That seems improvable, so this is a spike to see if we can look at Openshift endpoints or HTTP monitoring to actually check the health of the service, rather than relying on change messages to the bus.

### Description of request Right now we use a datanommer check to monitor the FMN UI, but sometimes that emits an alert just because no one has edited a rule for a while. That seems improvable, so this is a spike to see if we can look at Openshift endpoints or HTTP monitoring to actually check the health of the service, rather than relying on change messages to the bus.
abompard commented 2026-02-03 09:58:33 +00:00
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Yes! FMN uses the two standard liveness and readiness checks, but it also publishes custom metrics that Collectd used to read and plot: the cache rebuild times. It's currently stored in memcached and only the CLI can get this data, but we could totally add a HTTP endpoint that would return these values as JSON, if that's easier for Zabbix. FMN's collectd connector also generates graphs with the total number of users, we could add this value too so that Zabbix can plot it.

Yes! FMN uses the two standard liveness and readiness checks, but it also publishes custom metrics that Collectd used to read and plot: the cache rebuild times. It's currently stored in memcached and only the CLI can get this data, but we could totally add a HTTP endpoint that would return these values as JSON, if that's easier for Zabbix. FMN's collectd connector also generates graphs with the total number of users, we could add this value too so that Zabbix can plot it.
gwmngilfen commented 2026-05-14 15:23:56 +00:00
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After discussion with @abompard I opened https://github.com/fedora-infra/fmn/issues/1544 upstream to add an API we can hit for this.

After discussion with @abompard I opened https://github.com/fedora-infra/fmn/issues/1544 upstream to add an API we can hit for this.
kevin commented 2026-05-14 16:12:55 +00:00
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Shall we close this then? or keep it to track the zabbix side?

Shall we close this then? or keep it to track the zabbix side?
gwmngilfen commented 2026-05-18 14:11:32 +00:00
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@abompard how difficult is that API to add? Should we close this for now?

@abompard how difficult is that API to add? Should we close this for now?
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