Claudio Ortolina
b111558f07
The plug is injected as early as possible in order to respond quickly, without polluting logs.
23 lines
417 B
Elixir
23 lines
417 B
Elixir
defmodule MusicLibraryWeb.Telemetry.Plug do
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@behaviour Plug
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import Plug.Conn
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def init(opts) do
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Keyword.validate!(opts, [:at])
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end
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def call(conn, opts) do
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at = Keyword.fetch!(opts, :at)
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if conn.request_path == at do
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conn
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|> put_resp_content_type("text/plain")
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|> send_resp(200, TelemetryMetricsPrometheus.Core.scrape())
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|> halt()
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else
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conn
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end
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end
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end
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