tree fbbe623776f5ccefedaa9f59303a92646b1a4b17
parent 4a51bfb9f0caf7b4043c94a269e42221616a3bfb
author Simon Pasquier <spasquier@mirantis.com> 1485523795 +0100
committer Simon Pasquier <spasquier@mirantis.com> 1485876957 +0000

Add Lua filter to get metrics from auth messages

This filter sends the following multi-value metrics every minute:

- authentications_total, these counters reset to zero when the filter
  is restarted
  - all: the total number of authentications
  - success: the total number of successful authentications
  - failed: the total number of failed authentications
- authentications_rate
  - all: authentications per second in the last minute
  - success: successful authentications per second in the last minute
  - failed: failed authentications per second in the last minute
- authentications_percent
  - success: percentage of successful authentications in the last minute
  - failed: percentage of failed authentications in the last minute

Change-Id: Ia54ff110512e249d70d6568a4633da42748d45f5