Commit 306eb6e9 authored by Eugen Rochko's avatar Eugen Rochko

Add optional StatsD performance tracking

parent 7cfd5b68
......@@ -47,6 +47,7 @@ gem 'sidekiq'
gem 'rails-settings-cached'
gem 'pg_search'
gem 'simple-navigation'
gem 'statsd-instrument'
gem 'react-rails'
gem 'browserify-rails'
......
......@@ -370,6 +370,7 @@ GEM
actionpack (>= 4.0)
activesupport (>= 4.0)
sprockets (>= 3.0.0)
statsd-instrument (2.1.2)
temple (0.7.7)
term-ansicolor (1.4.0)
tins (~> 1.0)
......@@ -463,6 +464,7 @@ DEPENDENCIES
simple-navigation
simple_form
simplecov
statsd-instrument
uglifier (>= 1.3.0)
webmock
will_paginate
......
# frozen_string_literal: true
class StatsDMonitor
def initialize(app)
@app = app
end
def call(env)
@app.call(env)
end
end
......@@ -30,6 +30,8 @@ module Mastodon
config.active_job.queue_adapter = :sidekiq
config.middleware.insert(0, 'StatsDMonitor')
config.middleware.insert_before 0, Rack::Cors do
allow do
origins '*'
......
......@@ -104,4 +104,8 @@ Rails.application.configure do
config.react.variant = :production
config.active_record.logger = nil
config.to_prepare do
StatsD.backend = StatsD::Instrument::Backends::NullBackend if ENV['STATSD_ADDR'].blank?
end
end
......@@ -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
# 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
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