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Remove unused StatsD code and expose StatsD as a global variable (#11232)

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The instrumentation code was used for StatsD metrics collection
prior to the switch to the nsa gem and should have been removed
at that point as it no longer does anything at all
This commit is contained in:
Eugen Rochko 2019-07-02 11:34:39 +02:00 • committed by GitHub
parent 1a747f7020
commit 3bc0c4a884
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2 changed files with 3 additions and 21 deletions
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18
config/initializers/instrumentation.rb
View file

@ -1,18 +0,0 @@
# frozen_string_literal: true
instrumentation_hostname = ENV.fetch('INSTRUMENTATION_HOSTNAME') { 'localhost' }
ActiveSupport::Notifications.subscribe(/process_action.action_controller/) do |*args|
event = ActiveSupport::Notifications::Event.new(*args)
controller = event.payload[:controller]
action = event.payload[:action]
format = event.payload[:format] || 'all'
format = 'all' if format == '*/*'
status = event.payload[:status]
key = "#{controller}.#{action}.#{format}.#{instrumentation_hostname}"
ActiveSupport::Notifications.instrument :performance, action: :measure, measurement: "#{key}.total_duration", value: event.duration
ActiveSupport::Notifications.instrument :performance, action: :measure, measurement: "#{key}.db_time", value: event.payload[:db_runtime]
ActiveSupport::Notifications.instrument :performance, action: :measure, measurement: "#{key}.view_time", value: event.payload[:view_runtime]
ActiveSupport::Notifications.instrument :performance, measurement: "#{key}.status.#{status}"
end

6
config/initializers/statsd.rb
View file

@ -3,10 +3,10 @@
if ENV['STATSD_ADDR'].present?
host, port = ENV['STATSD_ADDR'].split(':')
statsd = ::Statsd.new(host, port)
statsd.namespace = ENV.fetch('STATSD_NAMESPACE') { ['Mastodon', Rails.env].join('.') }
$statsd = ::Statsd.new(host, port)
$statsd.namespace = ENV.fetch('STATSD_NAMESPACE') { ['Mastodon', Rails.env].join('.') }
::NSA.inform_statsd(statsd) do |informant|
::NSA.inform_statsd($statsd) do |informant|
informant.collect(:action_controller, :web)
informant.collect(:active_record, :db)
informant.collect(:active_support_cache, :cache)