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* Update logo and favicon * Tiny updates * Replace checkbox with switch button * Build assets * Move assets/static to priv/static * Update lib/livebook_web/endpoint.ex Co-authored-by: José Valim <jose.valim@dashbit.co> Co-authored-by: José Valim <jose.valim@dashbit.co>
72 lines
2.2 KiB
Elixir
72 lines
2.2 KiB
Elixir
defmodule LivebookWeb.SessionLive.AttachedLive do
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use LivebookWeb, :live_view
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alias Livebook.{Session, Runtime, Utils}
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@impl true
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def mount(_params, %{"session_id" => session_id, "current_runtime" => current_runtime}, socket) do
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{:ok,
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assign(socket,
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session_id: session_id,
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error_message: nil,
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name: if(current_runtime, do: current_runtime.node, else: "")
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)}
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end
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@impl true
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def render(assigns) do
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~L"""
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<div class="flex-col space-y-3">
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<%= if @error_message do %>
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<div class="mb-3 rounded-lg px-4 py-2 bg-red-100 text-red-400 font-medium">
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<%= @error_message %>
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</div>
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<% end %>
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<p class="text-gray-700">
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Connect the session to an already running node
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and evaluate code in the context of that node.
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Thanks to this approach you can work with
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an arbitrary Elixir runtime.
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Make sure to give the node a name, for example:
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</p>
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<div class="text-gray-700 markdown">
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<%= if Livebook.Config.shortnames? do %>
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<pre><code>iex --sname test</code></pre>
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<% else %>
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<pre><code>iex --name test@127.0.0.1</code></pre>
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<% end %>
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</div>
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<p class="text-gray-700">
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Then enter the name of the node below:
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</p>
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<%= f = form_for :node, "#", phx_submit: "init" %>
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<%= text_input f, :name, value: @name, class: "input",
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placeholder: if(Livebook.Config.shortnames?, do: "test", else: "test@127.0.0.1") %>
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<%= submit "Connect", class: "mt-3 button button-primary" %>
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</form>
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</div>
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"""
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end
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@impl true
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def handle_event("init", %{"node" => %{"name" => name}}, socket) do
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node = Utils.node_from_name(name)
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case Runtime.Attached.init(node) do
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{:ok, runtime} ->
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Session.connect_runtime(socket.assigns.session_id, runtime)
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{:noreply, assign(socket, name: name, error_message: nil)}
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{:error, error} ->
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message = runtime_error_to_message(error)
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{:noreply, assign(socket, name: name, error_message: message)}
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end
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end
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defp runtime_error_to_message(:unreachable), do: "Node unreachable"
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defp runtime_error_to_message(:already_in_use),
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do: "Another session is already connected to this node"
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end
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