Deploy new tracker version

[josecelano]

PRs:

• Add a new metric to count peers reverting Completed state torrust-tracker#1566
• Overhaul stats: add TYPE and HELP to Prometheus export torrust-tracker#1559
• Add new metric label server_binding_address_type torrust-tracker#1558
• Overhaul stats: Decouple stats and ban service event listeners in udp-tracker-server package torrust-tracker#1567

Grafana dashboard before deployment

[josecelano]

New metrics from the new endpoint are available. For example:

[josecelano]

Grafana dashboard after the deployment

[josecelano]

Some metrics are not working after the deployment:

• UDP4 Connections (per sec)
• UDP4 Announces (per sec)
• UDP4 Scrapes (per sec)
• UDP4 Errors (per sec)

[josecelano]

I fixed the problem by recreating the panels. It's not the first time I have had this problem. Sometimes, Grafana graphs are empty, but there is even data when you check raw data (in a table format).