Class: Middleware::MetricsMiddleware
- Inherits:
-
Object
- Object
- Middleware::MetricsMiddleware
- Defined in:
- lib/middleware/metrics_middleware.rb
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#initialize(app) ⇒ MetricsMiddleware
constructor
A new instance of MetricsMiddleware.
Constructor Details
#initialize(app) ⇒ MetricsMiddleware
Returns a new instance of MetricsMiddleware.
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# File 'lib/middleware/metrics_middleware.rb', line 40 def initialize(app) @app = app end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/middleware/metrics_middleware.rb', line 44 def call(env) start_time = Time.now @status, @headers, @response = @app.call(env) # If the url contains any CSS or JavaScript files then do not collect metrics for them if ["css", "assets", "jpg", "png", "jpeg", "ico"].any? { |word| env['PATH_INFO'].include?(word) } || /.*\.js$/.match(env['PATH_INFO']) = {status: @status, controller: 'ActionController', action: 'Assets', app_instance: 0} values = {response_time: ((Time.now - start_time)*1000).round(2) } ZuoraConnect::AppInstanceBase.write_to_telegraf(direction: 'request-inbound-assets', tags: , values: values) end if defined? Prometheus #Prometheus Stuff if env['PATH_INFO'] == '/connect/internal/metrics' #Do something before each scrape if defined? Resque.redis app_name = ENV['DEIS_APP'].present? ? "#{ENV['DEIS_APP']}" : "#{Rails.application.class.parent_name}" begin Resque.redis.ping Prometheus::REDIS_CONNECTION.set({connection:'redis',name:app_name},1) Prometheus::FINISHED_JOBS.set({type:'resque',name:app_name},Resque.info[:processed]) Prometheus::PENDING_JOBS.set({type:'resque',name:app_name},Resque.info[:pending]) Prometheus::ACTIVE_WORKERS.set({type:'resque',name:app_name},Resque.info[:working]) Prometheus::WORKERS.set({type:'resque',name:app_name},Resque.info[:workers]) Prometheus::FAILED_JOBS.set({type:'resque',name:app_name},Resque.info[:failed]) rescue Redis::CannotConnectError Prometheus::REDIS_CONNECTION.set({connection:'redis',name:app_name},0) end if ZuoraConnect.configuration.custom_prometheus_update_block != nil ZuoraConnect.configuration.custom_prometheus_update_block.call() end end end end # Uncomment following block of code for handling engine requests/requests without controller # else # # Handling requests which do not have controllers (engines) if env["SCRIPT_NAME"].present? controller_path = "#{env['SCRIPT_NAME'][1..-1]}" controller_path = controller_path.sub("/", "::") request_path = "#{controller_path}#UnknownAction" else # Writing to telegraf: Handle 404 if [404].include?(@status) content_type = @headers['Content-Type'].split(';')[0] if @headers['Content-Type'] content_type = content_type.gsub('text/javascript', 'application/javascript') = {status: @status, content_type: content_type} = .merge({controller: 'ActionController', action: 'RoutingError' }) values = {response_time: ((Time.now - start_time)*1000).round(2) } ZuoraConnect::AppInstanceBase.write_to_telegraf(direction: :inbound, tags: , values: values) end end [@status, @headers, @response] end |