Originally asked in #lemmy:matrix.org


1 The Idea

I’ve been thinking about writing a website to monitor Lemmy instances, much in the same vein as lemmy-status.org, to help people like me, who are interested in the operational health of their favourite servers, have a better understanding of patterns and be notified when things go wrong.

I thought I’d share my thoughts w/ you and ask for your feedback before going down any potential rabbit hole.

1.1 Public-facing monitoring solution external to a cluster

I don’t wish to add any more complexity to a Lemmy setup. Rather I’m thinking about a solution which is totally unknown to a Lemmy server AND is publicly available.

I’m sure one could get quite a decent monitoring solution which is internal to the cluster using Prometheus+Grafana but that is not the aim of this.

1.2 A set of key endpoints

In the past there’ve been situations where a particular server’s web UI would be a 404 or 503 while the mobile clients kept happily working.

I’d like to query a server for the following major functionalities (and the RTT rate):

  • web/mobile home feed
  • web/mobile create post/comment
  • web/mobile search

1.3 Presenting stats visually via graphs

I’d like to be able to look at the results in a visual way, preferably as graphs.

1.4 History

I think it’d be quite cool (and helpful?) to retain the history of monitoring data for a certain period of time to be able to do some basic meaningful query over the rates.

1.5 Notification

I’d like to be able to receive some sort of a notification when my favourite instance becomes slow or becomes unavailable and when it comes back online or goes back to “normal.”

2 Questions

❓ Are you folks aware if someone has already done something similar?

❓ I’m not very familiar w/ Rust (I wrote only a couple of small toy projects w/ it.) Where can I find a list of API endpoints a Lemmy server publicly exposes?

❓ If there’s no such list, which endpoints do you think would work in my case?

  • MrCenny@lemmy.world
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    1 year ago

    Oh sorry, didn’t see that 😅

    much in the same vein as lemmy-status.org

    I was also thinking that an opt-in or something similar would be nice. As overloading small project raspberries with a large monitoring website wouldn’t be that nice…