70 lines
1.6 KiB
Elixir
70 lines
1.6 KiB
Elixir
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defmodule OpentelemetryHTTPoison.Configuration do
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@moduledoc false
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require Logger
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@spec setup(any) :: nil
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def setup(opts \\ []) do
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errors = []
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opts_infer_route = Keyword.get(opts, :infer_route)
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if opts_infer_route != nil do
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set(:infer_route, opts_infer_route)
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end
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route_inference_fn = get(:infer_route)
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errors =
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add_if(
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errors,
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not is_function(route_inference_fn, 1),
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[
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"\nThe configured :infer_route keyword option value must be a function with an arity of 1"
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]
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)
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opts_ot_attributes = Keyword.get(opts, :ot_attributes)
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if opts_ot_attributes != nil do
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set(:ot_attributes, opts_ot_attributes)
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end
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ot_attributes = get(:ot_attributes)
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errors =
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add_if(
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errors,
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not is_list(ot_attributes),
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["\nThe configured :ot_attributes option must be a [{key, value}] list"]
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)
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case errors do
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[] -> nil
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_ -> raise ArgumentError, Enum.join(errors)
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end
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end
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@doc """
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Get a configured option
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"""
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@spec get(:infer_route | :ot_attributes) :: any()
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def get(key)
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def get(:infer_route),
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do:
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Application.get_env(
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:opentelemetry_httpoison,
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:infer_route,
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&OpentelemetryHTTPoison.URI.infer_route_from_request/1
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)
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def get(:ot_attributes), do: Application.get_env(:opentelemetry_httpoison, :ot_attributes, [])
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defp set(key, value), do: Application.put_env(:opentelemetry_httpoison, key, value)
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defp add_if(list, condition, value)
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defp add_if(list, true, value), do: [value | list]
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defp add_if(list, false, _), do: list
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end
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