56 lines
1.2 KiB
Ruby
56 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module QueryLimiting
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# Middleware for reporting (or raising) when a request performs more than a
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# certain amount of database queries.
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class Middleware
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CONTROLLER_KEY = 'action_controller.instance'.freeze
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ENDPOINT_KEY = 'api.endpoint'.freeze
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def initialize(app)
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@app = app
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end
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def call(env)
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transaction, retval = Transaction.run do
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@app.call(env)
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end
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transaction.action = action_name(env)
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transaction.act_upon_results
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retval
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end
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def action_name(env)
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if env[CONTROLLER_KEY]
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action_for_rails(env)
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elsif env[ENDPOINT_KEY]
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action_for_grape(env)
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end
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end
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private
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def action_for_rails(env)
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controller = env[CONTROLLER_KEY]
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action = "#{controller.class.name}##{controller.action_name}"
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if controller.content_type == 'text/html'
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action
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else
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"#{action} (#{controller.content_type})"
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end
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end
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def action_for_grape(env)
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endpoint = env[ENDPOINT_KEY]
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route = endpoint.route rescue nil
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"#{route.request_method} #{route.path}" if route
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end
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end
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end
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end
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