62 lines
2.2 KiB
Ruby
62 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Metrics
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class RequestsRackMiddleware
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HTTP_METHODS = {
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"delete" => %w(200 202 204 303 400 401 403 404 410 422 500 503),
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"get" => %w(200 204 301 302 303 304 307 400 401 403 404 410 412 422 429 500 503),
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"head" => %w(200 204 301 302 303 304 400 401 403 404 410 429 500 503),
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"options" => %w(200 404),
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"patch" => %w(200 202 204 400 403 404 409 416 422 500),
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"post" => %w(200 201 202 204 301 302 303 304 400 401 403 404 406 409 410 412 413 415 422 429 500 503),
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"propfind" => %w(404),
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"put" => %w(200 202 204 400 401 403 404 405 406 409 410 415 422 500),
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"report" => %w(404)
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}.freeze
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def initialize(app)
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@app = app
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end
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def self.http_request_total
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@http_request_total ||= ::Gitlab::Metrics.counter(:http_requests_total, 'Request 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_total, 'Request handling uncaught errors count')
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end
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def self.http_request_duration_seconds
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@http_request_duration_seconds ||= ::Gitlab::Metrics.histogram(:http_request_duration_seconds, 'Request handling execution time',
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{}, [0.05, 0.1, 0.25, 0.5, 0.7, 1, 2.5, 5, 10, 25])
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end
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def self.initialize_http_request_duration_seconds
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HTTP_METHODS.each do |method, statuses|
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statuses.each do |status|
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http_request_duration_seconds.get({ method: method, status: status.to_s })
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end
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end
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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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RequestsRackMiddleware.http_request_total.increment(method: method)
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status, headers, body = @app.call(env)
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elapsed = Time.now.to_f - started
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RequestsRackMiddleware.http_request_duration_seconds.observe({ method: method, status: status.to_s }, elapsed)
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[status, headers, body]
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rescue
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RequestsRackMiddleware.rack_uncaught_errors_count.increment
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raise
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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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