Add Prometheus Metrics

at the first iteration, only the following metrics are collected:

  - HTTP metrics of each API endpoint
  - cache counter for request/hit/miss
  - histogram of storage actions, including:
    GetContent, PutContent, Stat, List, Move, and Delete

Signed-off-by: tifayuki <tifayuki@gmail.com>
This commit is contained in:
tifayuki 2017-11-16 16:43:38 -08:00
parent 3800056b88
commit e3c37a46e2
118 changed files with 17182 additions and 1550 deletions

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vendor/github.com/prometheus/common/NOTICE generated vendored Normal file
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Common libraries shared by Prometheus Go components.
Copyright 2015 The Prometheus Authors
This product includes software developed at
SoundCloud Ltd. (http://soundcloud.com/).