fix: Add mnesia cache support

.gitignore

@@ -33,6 +33,9 @@ node_modules
 # this depending on your deployment strategy.
 /priv/static/
 
+# Mnesia DBs
+apps/*/priv/mnesia/
+
 # Lock file for Brew, since the versions aren't really stable & isolated anyway
 Brewfile.lock.json
 

apps/core/lib/auth/mnesia_cluster_supervisor.ex

@@ -0,0 +1,17 @@
+defmodule Legendary.Auth.MnesiaClusterSupervisor do
+  use Supervisor
+
+  def start_link(init_arg) do
+    Supervisor.start_link(__MODULE__, init_arg, name: __MODULE__)
+  end
+
+  @impl true
+  def init(_init_arg) do
+    children = [
+      {Pow.Store.Backend.MnesiaCache, extra_db_nodes: Node.list()},
+      Pow.Store.Backend.MnesiaCache.Unsplit
+    ]
+
+    Supervisor.init(children, strategy: :one_for_one)
+  end
+end

apps/core/lib/core/application.ex

@@ -10,6 +10,7 @@ defmodule Legendary.Core.Application do
 
     children = [
       {Cluster.Supervisor, [topologies, [name: Legendary.Core.ClusterSupervisor]]},
+      Legendary.Auth.MnesiaClusterSupervisor,
       # Start the Ecto repository
       Legendary.Core.Repo,
       # Start the Telemetry supervisor

apps/core/mix.exs

@@ -120,7 +120,7 @@ defmodule Legendary.Core.MixProject do
   def application do
     [
       mod: {Legendary.Core.Application, []},
-      extra_applications: [:bamboo, :bamboo_smtp, :logger, :runtime_tools]
+      extra_applications: [:bamboo, :bamboo_smtp, :logger, :mnesia, :runtime_tools]
     ]
   end
 

config/config.exs

@@ -43,7 +43,8 @@ config :core, :pow,
   controller_callbacks: Pow.Extension.Phoenix.ControllerCallbacks,
   mailer_backend: Legendary.AuthWeb.Pow.Mailer,
   web_mailer_module: Legendary.AuthWeb,
-  web_module: Legendary.AuthWeb
+  web_module: Legendary.AuthWeb,
+  cache_store_backend: Pow.Store.Backend.MnesiaCache
 
 config :core, email_from: "example@example.org"
 
@@ -73,6 +74,8 @@ config :app,
   crontab: [
   ]
 
+config :mnesia, dir: to_charlist(File.cwd!) ++ '/apps/core/priv/mnesia'
+
 import_config "email_styles.exs"
 import_config "admin.exs"
 

config/prod.exs

@@ -82,7 +82,6 @@ config :core, Legendary.CoreMailer,
 config :core, email_from: System.get_env("EMAIL_FROM")
 
 config :libcluster,
-  debug: true,
   topologies: [
     kubernetes: [
       strategy: Elixir.Cluster.Strategy.Kubernetes,
@@ -94,8 +93,6 @@ config :libcluster,
         kubernetes_namespace: System.get_env("NAMESPACE", "legendary"),
         polling_interval: 10_000]]]
 
-IO.puts Kernel.node
-
 # ## Using releases (Elixir v1.9+)
 #
 # If you are doing OTP releases, you need to instruct Phoenix