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

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
parent 769bbd511f
commit 5cd97c62a0
2 changed files with 3 additions and 21 deletions
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18
config/initializers/instrumentation.rb
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@ -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)