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plugins/prometheus/README.md
Christian Decker 9f3ac44a77 prometheus: Change default port to 9750 as per port-allocation 
We registered port 9750 the [port allocation] list for the prometheus project,
so we should use that port :-)

Suggested-by: Martin Milata <@mmilata>

[port allocation]: https://github.com/prometheus/prometheus/wiki/Default-port-allocations
2020-08-29 14:36:03 +02:00

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Prometheus plugin for c-lightning

This plugin exposes some key metrics from c-lightning in the prometheus format so it can be scraped, plotted and alerts can be created on it. The plugin adds the following command line arguments:

  • prometheus-listen: the IP address and port to bind the HTTP server to (default: 0.0.0.0:9750)

Exposed variables include:

  • node: ID, version, ...
  • peers: whether they are connected, and how many channels are currently open
  • channels: fund allocations, spendable funds, and how many unresolved HTLCs are currently attached to the channel
  • funds: satoshis in on-chain outputs, satoshis allocated to channels and total sum (may be inaccurate during channel resolution).