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electric lib electric plug utility_router.ex
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lib/electric/plug/utility_router.ex

defmodule Electric.Plug.UtilityRouter do
use Plug.Router
use Electric.Telemetry
plug :match
plug :dispatch
with_telemetry TelemetryMetricsPrometheus.Core do
get "/metrics", do: text_resp(conn, 200, TelemetryMetricsPrometheus.Core.scrape())
else
get "/metrics", do: text_resp(conn, 200, "")
end
get _, do: text_resp(conn, 404, "Not found")
defp text_resp(conn, status, body) do
conn
|> put_resp_content_type("text/plain")
|> resp(status, body)
end
end