From 306eb6e9c90295dcdff2a0094066542a46a8e634 Mon Sep 17 00:00:00 2001
From: Eugen Rochko <eugen@zeonfederated.com>
Date: Wed, 18 Jan 2017 23:44:29 +0100
Subject: Add optional StatsD performance tracking

---
 config/initializers/inflections.rb |  7 +++----
 config/initializers/statsd.rb      | 20 ++++++++++++++++++++
 2 files changed, 23 insertions(+), 4 deletions(-)
 create mode 100644 config/initializers/statsd.rb

(limited to 'config/initializers')

diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index ac033bf9d..8fd1ae72c 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -10,7 +10,6 @@
 #   inflect.uncountable %w( fish sheep )
 # end
 
-# These inflection rules are supported but not enabled by default:
-# ActiveSupport::Inflector.inflections(:en) do |inflect|
-#   inflect.acronym 'RESTful'
-# end
+ActiveSupport::Inflector.inflections(:en) do |inflect|
+  inflect.acronym 'StatsD'
+end
diff --git a/config/initializers/statsd.rb b/config/initializers/statsd.rb
new file mode 100644
index 000000000..c9c754e7f
--- /dev/null
+++ b/config/initializers/statsd.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+StatsD.prefix              = 'mastodon'
+StatsD.default_sample_rate = 1
+
+StatsDMonitor.extend(StatsD::Instrument)
+StatsDMonitor.statsd_measure(:call, 'request.duration')
+
+STATSD_REQUEST_METRICS = {
+  'request.status.success'               => 200,
+  'request.status.not_found'             => 404,
+  'request.status.too_many_requests'     => 429,
+  'request.status.internal_server_error' => 500,
+}.freeze
+
+STATSD_REQUEST_METRICS.each do |name, code|
+  StatsDMonitor.statsd_count_if(:call, name) do |status, _env, _body|
+    status.to_i == code
+  end
+end
-- 
cgit