Class: SidekiqQueueStatus::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/sidekiq_queue_status/middleware.rb

Constant Summary collapse

HEADERS = 
{
  'Content-Type' => 'application/json',
  'Cache-Control' => 'no-cache'
}

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/sidekiq_queue_status/middleware.rb', line 10

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/sidekiq_queue_status/middleware.rb', line 14

def call(env)
  if env["PATH_INFO"] =~ %r{\A/queue-status\Z}
    metrics = Metric.all
    body = { latencies: metrics.latencies, failure_percentage: metrics.failure_rate, errors: metrics.errors }.to_json
    status = metrics.errors.any? ? 503 : 200
    [status, HEADERS, [body]]
  else
    @app.call(env)
  end
end