22 lines
668 B
Elixir
22 lines
668 B
Elixir
defmodule Aprsme.Cluster.Topology do
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@moduledoc """
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Wrapper for Cluster.Supervisor that only starts when clustering is enabled.
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"""
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def child_spec(opts) do
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if Application.get_env(:aprsme, :cluster_enabled, false) do
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topologies = Application.get_env(:libcluster, :topologies, [])
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supervisor_opts = Keyword.merge([name: Aprsme.ClusterSupervisor], opts)
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{Cluster.Supervisor, [topologies, supervisor_opts]}
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else
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# Return a no-op spec when clustering is disabled
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%{
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id: __MODULE__,
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start: {__MODULE__, :start_link, [opts]},
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type: :worker
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}
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end
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end
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def start_link(_opts), do: :ignore
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end
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