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# frozen_string_literal: true
# A dumb middleware that steals correlation id
# and sets it as a global context for the request
module Gitlab
module Middleware
class CorrelationId
include ActionView::Helpers::TagHelper
def initialize(app)
@app = app
end
def call(env)
::Gitlab::CorrelationId.use_id(correlation_id(env)) do
@app.call(env)
end
end
private
def correlation_id(env)
if Gitlab.rails5?
request(env).request_id
else
request(env).uuid
end
end
def request(env)
ActionDispatch::Request.new(env)
end
end
end
end
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