Add scalable nodes and user sessions

1 files changed, 15 insertions, 1 deletions

diff --git a/lib/chessh/application.ex b/lib/chessh/application.ex
index 847dd98..4692489 100644
--- a/lib/chessh/application.ex
+++ b/lib/chessh/application.ex
@@ -1,9 +1,23 @@
 defmodule Chessh.Application do
+  alias Chessh.{PlayerSession, Node}
   use Application
 
+  def initialize_player_sessions_on_node() do
+    # If we have more than one node running the ssh daemon, we'd want to ensure
+    # this is restarting after every potential crash. Otherwise the player sessions
+    # on the node would hang.
+    node_id = System.fetch_env!("NODE_ID")
+    Node.boot(node_id)
+    PlayerSession.delete_all_on_node(node_id)
+  end
+
   def start(_, _) do
     children = [Chessh.Repo, Chessh.SSH.Daemon]
     opts = [strategy: :one_for_one, name: Chessh.Supervisor]
-    Supervisor.start_link(children, opts)
+
+    with {:ok, pid} <- Supervisor.start_link(children, opts) do
+      initialize_player_sessions_on_node()
+      {:ok, pid}
+    end
   end
 end