feat: Remove unused authentication_source env var

.envrc.example

@@ -2,7 +2,6 @@ export ALERT_API_URL=http://s3.amazonaws.com/mbta-realtime-test/alerts_enhanced.
 export API_KEY=
 export API_URL=https://api-dev.mbtace.com/
 export APP_COOKIE=
-export AUTHENTICATION_SOURCE=
 export AWS_ACCESS_KEY_ID=
 export AWS_SECRET_ACCESS_KEY=
 export DATABASE_URL_DEV=postgresql://__username__:password@localhost:5432/alert_concierge_dev

apps/concierge_site/lib/concierge_site.ex

@@ -3,23 +3,12 @@ defmodule ConciergeSite do
   use Application
 
   def start(_type, _args) do
-    auth_children =
-      if Application.get_env(:concierge_site, ConciergeSite.Endpoint)[:authentication_source] ==
-           "keycloak" do
-        [
-          {OpenIDConnect.Worker, Application.get_env(:ueberauth, Ueberauth.Strategy.OIDC)}
-        ]
-      else
-        []
-      end
-
-    children =
-      auth_children ++
-        [
-          {Phoenix.PubSub, name: ConciergeSite.PubSub},
-          ConciergeSite.Endpoint,
-          Guardian.DB.Token.SweeperServer
-        ]
+    children = [
+      {OpenIDConnect.Worker, Application.get_env(:ueberauth, Ueberauth.Strategy.OIDC)},
+      {Phoenix.PubSub, name: ConciergeSite.PubSub},
+      ConciergeSite.Endpoint,
+      Guardian.DB.Token.SweeperServer
+    ]
 
     Supervisor.start_link(children, strategy: :one_for_one)
   end

apps/concierge_site/test/web/controllers/account_controller_test.exs

@@ -2,14 +2,12 @@ defmodule ConciergeSite.AccountControllerTest do
   @moduledoc false
   use ConciergeSite.ConnCase, async: true
   import AlertProcessor.Factory
-  import Test.Support.Helpers
   alias AlertProcessor.Helpers.ConfigHelper
   alias AlertProcessor.Model.{Notification, Subscription, Trip, User}
   alias AlertProcessor.Repo
 
   describe "new/4" do
     test "redirects to the keycloak register route", %{conn: conn} do
-      reassign_env(:concierge_site, ConciergeSite.Endpoint, authentication_source: "keycloak")
       conn = get(conn, account_path(conn, :new))
       assert redirected_to(conn) == "/auth/keycloak/register"
     end
@@ -69,7 +67,6 @@ defmodule ConciergeSite.AccountControllerTest do
   end
 
   test "POST /account/options with errors", %{conn: conn} do
-    reassign_env(:concierge_site, ConciergeSite.Endpoint, authentication_source: "keycloak")
     user = insert(:user)
 
     user_params = %{
@@ -100,7 +97,6 @@ defmodule ConciergeSite.AccountControllerTest do
     end
 
     test "POST /account/edit", %{conn: conn} do
-      reassign_env(:concierge_site, ConciergeSite.Endpoint, authentication_source: "keycloak")
       user = insert(:user, phone_number: nil)
 
       user_params = %{
@@ -124,7 +120,6 @@ defmodule ConciergeSite.AccountControllerTest do
     end
 
     test "POST /account/edit error must accept terms and conditions", %{conn: conn} do
-      reassign_env(:concierge_site, ConciergeSite.Endpoint, authentication_source: "keycloak")
       user = insert(:user, communication_mode: "email", phone_number: "8888888888")
 
       user_params = %{
@@ -240,8 +235,6 @@ defmodule ConciergeSite.AccountControllerTest do
 
   describe "update password" do
     test "GET /password/edit - for Keycloak auth", %{conn: conn} do
-      reassign_env(:concierge_site, ConciergeSite.Endpoint, authentication_source: "keycloak")
-
       user = insert(:user)
 
       conn =

apps/concierge_site/test/web/controllers/auth_controller_test.exs

@@ -22,8 +22,6 @@ defmodule ConciergeSite.Web.AuthControllerTest do
 
   describe "GET /auth/:provider/callback" do
     setup do
-      reassign_env(:concierge_site, ConciergeSite.Endpoint, authentication_source: "keycloak")
-
       reassign_env(:concierge_site, :token_verify_fn, fn _, _ ->
         {:ok, %{"resource_access" => %{"t-alerts" => %{"roles" => ["admin", "user"]}}}}
       end)
@@ -123,8 +121,6 @@ defmodule ConciergeSite.Web.AuthControllerTest do
     end
 
     test "redirects to the landing page for an ueberauth failure", %{conn: conn} do
-      reassign_env(:concierge_site, ConciergeSite.Endpoint, authentication_source: "keycloak")
-
       conn =
         conn
         |> init_test_session(%{username: "test_username"})

apps/concierge_site/test/web/controllers/session_controller_test.exs

@@ -2,22 +2,17 @@ defmodule ConciergeSite.SessionControllerTest do
   @moduledoc false
   use ConciergeSite.ConnCase
   import AlertProcessor.Factory
-  import Test.Support.Helpers
   alias Hammer
 
   describe "GET /login/new" do
     test "redirects to Keycloak login page", %{conn: conn} do
-      reassign_env(:concierge_site, ConciergeSite.Endpoint, authentication_source: "keycloak")
-
       conn = get(conn, session_path(conn, :new))
 
       assert redirected_to(conn, 302) == "/auth/keycloak"
     end
   end
 
   test "DELETE /login", %{conn: conn} do
-    reassign_env(:concierge_site, ConciergeSite.Endpoint, authentication_source: "keycloak")
-
     user = insert(:user)
 
     conn =

config/runtime.exs

@@ -3,9 +3,6 @@ import Config
 config :alert_processor, AlertProcessor.Repo,
   url: System.fetch_env!("DATABASE_URL_#{config_env() |> to_string() |> String.upcase()}")
 
-config :concierge_site, ConciergeSite.Endpoint,
-  authentication_source: System.get_env("AUTHENTICATION_SOURCE", "local")
-
 config :concierge_site,
   keycloak_base_uri: System.get_env("KEYCLOAK_BASE_URI"),
   keycloak_client_id: System.get_env("KEYCLOAK_CLIENT_ID"),