Add live dashboard (#183)

lib/livebook_web/endpoint.ex

@@ -56,6 +56,10 @@ defmodule LivebookWeb.Endpoint do
     plug Phoenix.CodeReloader
   end
 
+  plug Phoenix.LiveDashboard.RequestLogger,
+    param_key: "request_logger",
+    cookie_key: "request_logger"
+
   plug Plug.RequestId
   plug Plug.Telemetry, event_prefix: [:phoenix, :endpoint]
 

lib/livebook_web/router.ex

@@ -1,5 +1,6 @@
 defmodule LivebookWeb.Router do
   use LivebookWeb, :router
+  import Phoenix.LiveDashboard.Router
 
   pipeline :browser do
     plug :accepts, ["html"]
@@ -22,5 +23,7 @@ defmodule LivebookWeb.Router do
     live "/sessions/:id/cell-settings/:cell_id", SessionLive, :cell_settings
     live "/sessions/:id/cell-upload/:cell_id", SessionLive, :cell_upload
     get "/sessions/:id/images/:image", SessionController, :show_image
+
+    live_dashboard "/dashboard", metrics: LivebookWeb.Telemetry
   end
 end

mix.exs

@@ -19,7 +19,7 @@ defmodule Livebook.MixProject do
   def application do
     [
       mod: {Livebook.Application, []},
-      extra_applications: [:logger, :runtime_tools]
+      extra_applications: [:logger, :runtime_tools, :os_mon]
     ]
   end
 
@@ -31,7 +31,8 @@ defmodule Livebook.MixProject do
       {:phoenix, "~> 1.5.7"},
       # TODO: remove reference to the Git repo once LV 0.15.5 is released
       {:phoenix_live_view, "~> 0.15.0",
-       github: "phoenixframework/phoenix_live_view", branch: "master"},
+       github: "phoenixframework/phoenix_live_view", branch: "master", override: true},
+      {:phoenix_live_dashboard, "~> 0.4"},
       {:floki, ">= 0.27.0", only: :test},
       {:phoenix_html, "~> 2.11"},
       {:phoenix_live_reload, "~> 1.2", only: :dev},

mix.lock

@@ -10,6 +10,7 @@
   "mime": {:hex, :mime, "1.5.0", "203ef35ef3389aae6d361918bf3f952fa17a09e8e43b5aa592b93eba05d0fb8d", [:mix], [], "hexpm", "55a94c0f552249fc1a3dd9cd2d3ab9de9d3c89b559c2bd01121f824834f24746"},
   "phoenix": {:hex, :phoenix, "1.5.8", "71cfa7a9bb9a37af4df98939790642f210e35f696b935ca6d9d9c55a884621a4", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:phoenix_html, "~> 2.13", [hex: :phoenix_html, repo: "hexpm", optional: true]}, {:phoenix_pubsub, "~> 2.0", [hex: :phoenix_pubsub, repo: "hexpm", optional: false]}, {:plug, "~> 1.10", [hex: :plug, repo: "hexpm", optional: false]}, {:plug_cowboy, "~> 1.0 or ~> 2.2", [hex: :plug_cowboy, repo: "hexpm", optional: true]}, {:plug_crypto, "~> 1.1.2 or ~> 1.2", [hex: :plug_crypto, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "35ded0a32f4836168c7ab6c33b88822eccd201bcd9492125a9bea4c54332d955"},
   "phoenix_html": {:hex, :phoenix_html, "2.14.3", "51f720d0d543e4e157ff06b65de38e13303d5778a7919bcc696599e5934271b8", [:mix], [{:plug, "~> 1.5", [hex: :plug, repo: "hexpm", optional: false]}], "hexpm", "efd697a7fff35a13eeeb6b43db884705cba353a1a41d127d118fda5f90c8e80f"},
+  "phoenix_live_dashboard": {:hex, :phoenix_live_dashboard, "0.4.0", "87990e68b60213d7487e65814046f9a2bed4a67886c943270125913499b3e5c3", [:mix], [{:ecto_psql_extras, "~> 0.4.1 or ~> 0.5", [hex: :ecto_psql_extras, repo: "hexpm", optional: true]}, {:phoenix_html, "~> 2.14.1 or ~> 2.15", [hex: :phoenix_html, repo: "hexpm", optional: false]}, {:phoenix_live_view, "~> 0.15.0", [hex: :phoenix_live_view, repo: "hexpm", optional: false]}, {:telemetry_metrics, "~> 0.4.0 or ~> 0.5.0 or ~> 0.6.0", [hex: :telemetry_metrics, repo: "hexpm", optional: false]}], "hexpm", "8d52149e58188e9e4497cc0d8900ab94d9b66f96998ec38c47c7a4f8f4f50e57"},
   "phoenix_live_reload": {:hex, :phoenix_live_reload, "1.3.0", "f35f61c3f959c9a01b36defaa1f0624edd55b87e236b606664a556d6f72fd2e7", [:mix], [{:file_system, "~> 0.2.1 or ~> 0.3", [hex: :file_system, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.4", [hex: :phoenix, repo: "hexpm", optional: false]}], "hexpm", "02c1007ae393f2b76ec61c1a869b1e617179877984678babde131d716f95b582"},
   "phoenix_live_view": {:git, "https://github.com/phoenixframework/phoenix_live_view.git", "ffa5d555368f2ca42d57bc573bba63e01c218226", [branch: "master"]},
   "phoenix_pubsub": {:hex, :phoenix_pubsub, "2.0.0", "a1ae76717bb168cdeb10ec9d92d1480fec99e3080f011402c0a2d68d47395ffb", [:mix], [], "hexpm", "c52d948c4f261577b9c6fa804be91884b381a7f8f18450c5045975435350f771"},