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View Code? Open in Web Editor NEWA prometheus exporter for packet radio TNC metrics.
License: MIT License
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Systemd
I'm having an issue running this with systemd. do you have an example you can share?
Grafana 10.0 no longer reports list correctly
This has only recently changed.
Automatic reconnect not updating metrics
Hey! Thanks for this project, it's great to see some metrics, and I got it up and running pretty quickly. I also shared my systemd config in #6.
I've come across an issue where the automatic reconnect to the TNC after the connection has been lost is successful, but the metrics are never updated again. The only way for the metrics to be updated is if I kill the tncexporter process and restart it.
I'm connecting tncexporter to direwolf, and occasionally start/stop the direwolf process. From the logs below, you can see that metrics don't update after the connection to the TNC is re-established, but after restarting tncexporter, it is working again (since it doesn't use the reconnect logic).
I was just going to edit the python script to have it exit when the connection is lost, as I'm running this as a systemd service and it would just auto restart anyway, but wanted to make this known if you weren't aware.
pi@raspberrypi:~ $ journalctl -u tncexporter -f
-- Journal begins at Sat 2000-01-01 13:00:19 NZDT. --
Aug 01 17:00:35 raspberrypi env[502]: INFO: 01-Aug-23 17:00:35 - Attempting to connect to TNC at localhost:8000
Aug 01 17:00:35 raspberrypi env[502]: ERROR: 01-Aug-23 17:00:35 - Could not connect to TNC at localhost:8000, connection refused. Retrying in 10 seconds
Aug 01 17:00:45 raspberrypi env[502]: INFO: 01-Aug-23 17:00:45 - Attempting to connect to TNC at localhost:8000
Aug 01 17:00:45 raspberrypi env[502]: ERROR: 01-Aug-23 17:00:45 - Could not connect to TNC at localhost:8000, connection refused. Retrying in 10 seconds
Aug 01 17:00:55 raspberrypi env[502]: INFO: 01-Aug-23 17:00:55 - Attempting to connect to TNC at localhost:8000
Aug 01 17:00:55 raspberrypi env[502]: ERROR: 01-Aug-23 17:00:55 - Could not connect to TNC at localhost:8000, connection refused. Retrying in 10 seconds
Aug 01 17:01:05 raspberrypi env[502]: INFO: 01-Aug-23 17:01:05 - Attempting to connect to TNC at localhost:8000
Aug 01 17:01:05 raspberrypi env[502]: ERROR: 01-Aug-23 17:01:05 - Could not connect to TNC at localhost:8000, connection refused. Retrying in 10 seconds
Aug 01 17:01:15 raspberrypi env[502]: INFO: 01-Aug-23 17:01:15 - Attempting to connect to TNC at localhost:8000
Aug 01 17:01:15 raspberrypi env[502]: INFO: 01-Aug-23 17:01:15 - Connection established to TNC at localhost:8000
pi@raspberrypi:~ $ service tncexporter restart
pi@raspberrypi:~ $ journalctl -u tncexporter -f
-- Journal begins at Sat 2000-01-01 13:00:19 NZDT. --
Aug 01 17:00:55 raspberrypi env[502]: ERROR: 01-Aug-23 17:00:55 - Could not connect to TNC at localhost:8000, connection refused. Retrying in 10 seconds
Aug 01 17:01:05 raspberrypi env[502]: INFO: 01-Aug-23 17:01:05 - Attempting to connect to TNC at localhost:8000
Aug 01 17:01:05 raspberrypi env[502]: ERROR: 01-Aug-23 17:01:05 - Could not connect to TNC at localhost:8000, connection refused. Retrying in 10 seconds
Aug 01 17:01:15 raspberrypi env[502]: INFO: 01-Aug-23 17:01:15 - Attempting to connect to TNC at localhost:8000
Aug 01 17:01:15 raspberrypi env[502]: INFO: 01-Aug-23 17:01:15 - Connection established to TNC at localhost:8000
Aug 01 17:03:44 raspberrypi systemd[1]: Stopping TNC Exporter...
Aug 01 17:03:44 raspberrypi systemd[1]: tncexporter.service: Succeeded.
Aug 01 17:03:44 raspberrypi systemd[1]: Stopped TNC Exporter.
Aug 01 17:03:44 raspberrypi systemd[1]: tncexporter.service: Consumed 5min 44.813s CPU time.
Aug 01 17:03:44 raspberrypi systemd[1]: Started TNC Exporter.
Aug 01 17:03:45 raspberrypi env[2642]: INFO: 01-Aug-23 17:03:45 - Attempting to connect to TNC at localhost:8000
Aug 01 17:03:49 raspberrypi env[2642]: INFO: 01-Aug-23 17:03:45 - Connection established to TNC at localhost:8000
Aug 01 17:03:49 raspberrypi env[2642]: INFO: 01-Aug-23 17:03:46 - Serving TNC prometheus metrics on: http://0.0.0.0:9110/metrics
Aug 01 17:03:49 raspberrypi env[2642]: INFO: 01-Aug-23 17:03:46 - Updated metrics for 0 packets
Aug 01 17:03:49 raspberrypi env[2642]: INFO: 01-Aug-23 17:03:48 - 10.1.0.103 [01/Aug/2023:05:03:48 +0000] "GET /metrics HTTP/1.1" 200 2543 "-" "Prometheus/2.44.0"
Aug 01 17:04:03 raspberrypi env[2642]: INFO: 01-Aug-23 17:04:03 - 10.1.0.103 [01/Aug/2023:05:04:03 +0000] "GET /metrics HTTP/1.1" 200 2543 "-" "Prometheus/2.44.0"
Aug 01 17:04:16 raspberrypi env[2642]: INFO: 01-Aug-23 17:04:16 - Updated metrics for 0 packets
Aug 01 17:04:18 raspberrypi env[2642]: INFO: 01-Aug-23 17:04:18 - 10.1.0.103 [01/Aug/2023:05:04:18 +0000] "GET /metrics HTTP/1.1" 200 2543 "-" "Prometheus/2.44.0"
Distance issue
Distance set as per instructions - distance as decimal 56.0552 -27093. Distances displayed are in billions of metres....
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