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prom_ex

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Prometheus metrics and Grafana dashboards for all of your favorite Elixir libraries

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prom_ex lib prom_ex storage core.ex
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lib/prom_ex/storage/core.ex 

# TODO: For version 2.0.0 have all of the supported adapters be

# optional deps.

# if Code.ensure_loaded?(TelemetryMetricsPrometheus.Core) do

defmodule PromEx.Storage.Core do

  @moduledoc """

  This store uses [TelemetryMetricsPrometheus.Core](https://github.com/beam-telemetry/telemetry_metrics_prometheus_core) as the storage

  mechanism for metrics.

  """



  alias TelemetryMetricsPrometheus.Core



  @behaviour PromEx.Storage

  @dialyzer {:no_return, child_spec: 2}



  @impl true

  def scrape(name) do

    if Process.whereis(name) do

      Core.scrape(name)

    else

      :prom_ex_down

    end

  end



  @impl true

  def child_spec(name, metrics) do

    opts = [

      name: name,

      metrics: metrics,

      require_seconds: false,

      consistent_units: true,

      start_async: false

    ]



    Core.child_spec(opts)

  end

end