46 lines
1.5 KiB
Ruby
46 lines
1.5 KiB
Ruby
module Gitlab
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module Metrics
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class ConnectionRackMiddleware
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def initialize(app)
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@app = app
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end
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def self.rack_request_count
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@rack_request_count ||= Gitlab::Metrics.counter(:rack_request, 'Rack request count')
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end
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def self.rack_response_count
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@rack_response_count ||= Gitlab::Metrics.counter(:rack_response, 'Rack response count')
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end
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def self.rack_uncaught_errors_count
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@rack_uncaught_errors_count ||= Gitlab::Metrics.counter(:rack_uncaught_errors, 'Rack connections handling uncaught errors count')
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end
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def self.rack_execution_time
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@rack_execution_time ||= Gitlab::Metrics.histogram(:rack_execution_time, 'Rack connection handling execution time',
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{}, [0.05, 0.1, 0.25, 0.5, 0.7, 1, 1.5, 2, 2.5, 3, 5, 7, 10])
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end
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def call(env)
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method = env['REQUEST_METHOD'].downcase
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started = Time.now.to_f
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begin
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ConnectionRackMiddleware.rack_request_count.increment(method: method)
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status, headers, body = @app.call(env)
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ConnectionRackMiddleware.rack_response_count.increment(method: method, status: status)
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[status, headers, body]
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rescue
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ConnectionRackMiddleware.rack_uncaught_errors_count.increment
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raise
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ensure
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elapsed = Time.now.to_f - started
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ConnectionRackMiddleware.rack_execution_time.observe({}, elapsed)
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end
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end
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end
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end
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end
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