travis-api/lib/travis/api/app/middleware/metriks.rb
2013-08-23 17:39:47 +02:00

49 lines
1.7 KiB
Ruby

require 'travis/api/app'
require 'metriks'
class Travis::Api::App
class Middleware
class Metriks < Middleware
include Helpers::Accept
before do
env['metriks.request.start'] ||= Time.now.utc
end
after do
if queue_start = time(env['HTTP_X_QUEUE_START']) || time(env['HTTP_X_REQUEST_START'])
time = env['metriks.request.start'] - queue_start
::Metriks.timer('api.request_queue').update(time)
end
if response.status < 400
time = Time.now.utc - env['metriks.request.start']
if headers['X-Pattern'].present? and headers['X-Endpoint'].present?
name = "#{(headers['X-Endpoint'].split("::", 5).last.gsub(/::/, ".")).downcase}#{headers['X-Pattern'].gsub(/[\/]/, '.').gsub(/[:\?\*]/, "_")}"
metric = "api.request.endpoint.#{name}"
::Metriks.timer(metric).update(time)
::Metriks.timer('api.requests').update(time)
end
if content_type.present?
type = content_type.split(';', 2).first.to_s.gsub(/\s/,'').gsub(/[^A-z\/]+/, '_').gsub('/', '.')
::Metriks.timer("api.request.content_type.#{type}").update(time)
else
::Metriks.timer("api.request.content_type.none").update(time)
end
::Metriks.meter("api.request.#{request.request_method.downcase}").mark
end
::Metriks.meter("api.request.status.#{response.status.to_s[0]}").mark
::Metriks.meter("api.request.version.#{accept_version}").mark
end
def time(value)
value = value.to_f
start = env['metriks.request.start'].to_f
value /= 1000 while value > start
Time.at(value) if value > 946684800
end
end
end
end