64 lines
1.6 KiB
Elixir
64 lines
1.6 KiB
Elixir
defmodule ServerWeb.HostChannel do
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use ServerWeb, :channel
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require Logger
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alias Server.Hosts
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@impl true
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def join("host:" <> name, params, socket) when name != "" do
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token = Map.get(params, "token", "")
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agent_version = Map.get(params, "agent_version")
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case Hosts.authenticate(name, token) do
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{:ok, host} ->
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{:ok, _} = Hosts.mark_online(host, agent_version)
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Logger.info("agent joined host:#{name}")
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socket =
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socket
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|> assign(:host_id, host.id)
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|> assign(:host_name, name)
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{:ok, socket}
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{:error, :unknown_host} ->
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{:error, %{reason: "unknown_host"}}
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{:error, :invalid_token} ->
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{:error, %{reason: "invalid_token"}}
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end
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end
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def join(_topic, _params, _socket), do: {:error, %{reason: "bad_topic"}}
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@impl true
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def handle_in("metric:fast", payload, socket) do
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Logger.info("metric:fast host=#{socket.assigns.host_name} data=#{inspect(payload["data"])}")
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{:reply, :ok, socket}
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end
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def handle_in("metric:medium", payload, socket) do
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Logger.info("metric:medium host=#{socket.assigns.host_name} payload=#{inspect(payload)}")
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{:reply, :ok, socket}
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end
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def handle_in("metric:slow", payload, socket) do
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Logger.info("metric:slow host=#{socket.assigns.host_name} payload=#{inspect(payload)}")
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{:reply, :ok, socket}
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end
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@impl true
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def terminate(_reason, socket) do
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case socket.assigns[:host_id] do
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nil ->
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:ok
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id ->
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with host when not is_nil(host) <- Server.Repo.get(Server.Schema.Host, id) do
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Hosts.mark_offline(host)
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end
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:ok
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end
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end
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end
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