Class: GoogleCloudRun::RequestId

Inherits:
Object
  • Object
show all
Defined in:
lib/google_cloud_run/request_id.rb

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ RequestId

Returns a new instance of RequestId.



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# File 'lib/google_cloud_run/request_id.rb', line 3

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object

A middleware to replace X-Request-Id with X-Cloud-Trace-Context’s Trace ID ref: github.com/rails/rails/blob/6-1-stable/actionpack/lib/action_dispatch/middleware/request_id.rb ref: github.com/Octo-Labs/heroku-request-id/blob/master/lib/heroku-request-id/railtie.rb



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# File 'lib/google_cloud_run/request_id.rb', line 10

def call(env)
  req = ActionDispatch::Request.new env
  trace, _, _ = GoogleCloudRun.parse_trace_context(req.headers["X-Cloud-Trace-Context"])
  @app.call(env).tap { |_status, headers, _body| headers["X-Request-Id"] = trace }
end