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Change attached runtime to establish a hidden connection (#2110)

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Jonatan Kłosko 2023-07-25 15:52:24 +02:00 committed by GitHub
parent 1f71970082
commit f361eaa5f1
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1 changed files with 9 additions and 3 deletions
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12
lib/livebook/runtime/attached.ex
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@ -39,7 +39,7 @@ defmodule Livebook.Runtime.Attached do
# Set cookie for connecting to this specific node
Node.set_cookie(node, cookie)
with :pong <- Node.ping(node),
with :ok <- connect_to_node(node),
:ok <- check_attached_node_version(node) do
server_pid =
Livebook.Runtime.ErlDist.initialize(node,
@ -47,9 +47,15 @@ defmodule Livebook.Runtime.Attached do
)
{:ok, %{runtime | node: node, server_pid: server_pid}}
end
end
defp connect_to_node(node) do
with true <- :net_kernel.hidden_connect_node(node),
:pong <- Node.ping(node) do
:ok
else
:pang -> {:error, "node #{inspect(node)} is unreachable"}
{:error, msg} -> {:error, msg}
_ -> {:error, "node #{inspect(node)} is unreachable"}
end
end