Metrics - implement a samba metrics collector and exporter that is compatible with Prometheus

[raghavendra-talur]

The samba container should have a way to export the metrics. This will make it more cloud native solution.

Are there any other options that parsing smbstatus?

Notes:

• Samba should be compiled with profiling enabled (--with-profiling-data)

[raghavendra-talur]

For CTDB specifically, there is no client library that lives outside the main samba code. The readily available option is to scrape the output of ctdb command line.

See https://www.spinics.net/lists/samba/msg166658.html

[raghavendra-talur]

After having looked at the options, we think it would be better to have samba and ctdb export their metrics in form that is easy to parse; something like json. The work required to make that happen is tracked in #46 .

The scope of this issue is now reduced to implementing a metrics collector and exporter that collects the metrics from samba and publishes it in a form that can be consumed by prometheus.

[anoopcs9]

This is done and is available with https://github.com/samba-in-kubernetes/smbmetrics