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prima_auth0_ex

0.9.1
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An easy to use library to authenticate machine-to-machine communications through Auth0.

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prima_auth0_ex lib prima_auth0_ex telemetry.ex
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lib/prima_auth0_ex/telemetry.ex 

defmodule PrimaAuth0Ex.Telemetry do

  @moduledoc """

  A pre-defined module which sets up telemetry with a given reporter

  """



  alias PrimaAuth0Ex.Config

  alias PrimaAuth0Ex.Telemetry.Handler



  @auth0_handler_id "auth0-handler"



  def setup do

    reporter = telemetry_reporter()



    if reporter != nil do

      :ok =

        :telemetry.attach_many(

          @auth0_handler_id,

          [

            [:prima_auth0_ex, :retrieve_token, :failure],

            [:prima_auth0_ex, :retrieve_token, :success]

          ],

          &Handler.handle_event/4,

          %{reporter: reporter}

        )

    end

  end



  defp telemetry_reporter, do: Config.telemetry_reporter()

end



defmodule PrimaAuth0Ex.Telemetry.Handler do

  @moduledoc """

  A pre-defined telemetry handler

  """



  def handle_event(

        [:prima_auth0_ex, :retrieve_token, status],

        %{count: count},

        %{audience: audience},

        %{reporter: reporter}

      ) do

    reporter.increment("auth0.token", count, tags: ["audience:#{audience}", "status:#{status}"])

  end

end