Set secret_key_base early enough for rails processes

app/models/mixins/miq_web_server_runner_mixin.rb

@@ -12,7 +12,6 @@ def run
     # The heartbeating will be done in a separate thread
     worker_thread = Thread.new { super }
 
-    worker.class.configure_secret_token
     start_rails_server(worker.rails_server_options)
 
     # when puma exits allow the heartbeat thread to exit cleanly using #do_exit

app/models/mixins/miq_web_server_worker_mixin.rb

@@ -18,25 +18,8 @@ def binding_address
       BINDING_ADDRESS
     end
 
-    def preload_for_console
-      configure_secret_token(SecureRandom.hex(64))
-    end
-
     def preload_for_worker_role
       raise "Expected database to be seeded via `rake db:seed`." unless EvmDatabase.seeded_primordially?
-
-      configure_secret_token
-    end
-
-    def configure_secret_token(token = MiqDatabase.first.session_secret_token)
-      return if Rails.application.config.secret_key_base
-
-      Rails.application.config.secret_key_base = token
-
-      # To set a secret token after the Rails.application is initialized,
-      # we need to reset the secrets since they are cached:
-      # https://github.com/rails/rails/blob/7-0-stable/railties/lib/rails/application.rb#L392-L404
-      Rails.application.secrets = nil if Rails.version < "7.1"
     end
 
     def rails_server

config/application.rb

@@ -209,6 +209,11 @@ class Application < Rails::Application
       end
     end
 
+    # Run after code is eager loaded so we can autoload MiqDatabase and ApplicationRecord
+    initializer :init_secret_token, :after => :eager_load! do
+      Vmdb::Initializer.init_secret_token
+    end
+
     config.after_initialize do
       Vmdb::Initializer.init
       ActiveRecord::Base.connection_pool.release_connection

lib/vmdb/initializer.rb

@@ -12,11 +12,18 @@ def self.init
         MiqServer.my_server.starting_server_record
         MiqServer.my_server.update(:status => "started")
       end
+    end
+
+    def self.init_secret_token
+      return if Rails.application.config.secret_key_base
 
-      # Rails console needs session store configured
-      if defined?(Rails::Console)
-        MiqUiWorker.preload_for_console
+      token = if ActiveRecord::Base.connectable? && MiqDatabase.table_exists? && MiqDatabase.any?
+        MiqDatabase.first.session_secret_token
+      else
+        SecureRandom.hex(64)
       end
+
+      Rails.application.config.secret_key_base = token
     end
 
     private_class_method def self.log_db_connectable

spec/lib/vmdb/initializer_spec.rb

@@ -0,0 +1,41 @@
+RSpec.describe Vmdb::Initializer do
+  describe ".init_secret_token" do
+    before do
+      @token = Rails.application.secret_key_base
+    end
+
+    after do
+      Rails.application.config.secret_key_base = @token
+      Rails.application.secrets = nil
+    end
+
+    it "defaults to MiqDatabase session_secret_token" do
+      MiqDatabase.seed
+      Rails.application.config.secret_key_base = nil
+      Rails.application.secrets = nil
+
+      described_class.init_secret_token
+      expect(Rails.application.secret_key_base).to eq(MiqDatabase.first.session_secret_token)
+      expect(Rails.application.config.secret_key_base).to eq(MiqDatabase.first.session_secret_token)
+    end
+
+    it "uses random hex when MiqDatabase isn't seeded" do
+      Rails.application.config.secret_key_base = nil
+      Rails.application.secrets = nil
+
+      described_class.init_secret_token
+      expect(Rails.application.secret_key_base).to match(/^\h{128}$/)
+      expect(Rails.application.config.secret_key_base).to match(/^\h{128}$/)
+    end
+
+    it "does not reset secrets when token already configured" do
+      existing_value = SecureRandom.hex(64)
+      Rails.application.config.secret_key_base = existing_value
+      Rails.application.secrets = nil
+
+      described_class.init_secret_token
+      expect(Rails.application.secret_key_base).to eq(existing_value)
+      expect(Rails.application.config.secret_key_base).to eq(existing_value)
+    end
+  end
+end

spec/models/miq_ui_worker_spec.rb

@@ -53,7 +53,6 @@
 
   it "#preload_for_worker_role autoloads api collection classes and descendants" do
     allow(EvmDatabase).to receive(:seeded_primordially?).and_return(true)
-    expect(MiqUiWorker).to receive(:configure_secret_token)
     MiqUiWorker.preload_for_worker_role
     expect(defined?(ServiceAnsibleTower)).to be_truthy
   end

spec/models/miq_web_service_worker_spec.rb

@@ -8,7 +8,6 @@
 
   it "preload_for_worker_role autoloads api collection classes and descendants" do
     allow(EvmDatabase).to receive(:seeded_primordially?).and_return(true)
-    expect(MiqWebServiceWorker).to receive(:configure_secret_token)
     MiqWebServiceWorker.preload_for_worker_role
     expect(defined?(ServiceAnsibleTower)).to be_truthy
   end

spec/models/mixins/miq_web_server_worker_mixin_spec.rb

@@ -14,43 +14,6 @@
     end
   end
 
-  before do
-    @token = Rails.application.secret_key_base
-    MiqDatabase.seed
-  end
-
-  after do
-    Rails.application.config.secret_key_base = @token
-    Rails.application.secrets = nil if Rails.version < "7.1"
-  end
-
-  it ".configure_secret_token defaults to MiqDatabase session_secret_token" do
-    Rails.application.config.secret_key_base = nil
-
-    test_class.configure_secret_token
-    expect(Rails.application.secret_key_base).to eq(MiqDatabase.first.session_secret_token)
-    expect(Rails.application.config.secret_key_base).to eq(MiqDatabase.first.session_secret_token)
-  end
-
-  it ".configure_secret_token accepts an input token" do
-    Rails.application.config.secret_key_base = nil
-
-    token = SecureRandom.hex(64)
-    test_class.configure_secret_token(token)
-    expect(Rails.application.secret_key_base).to eq(token)
-    expect(Rails.application.config.secret_key_base).to eq(token)
-  end
-
-  it ".configure_secret_token does not reset secrets when token already configured" do
-    existing_value = SecureRandom.hex(64)
-    Rails.application.config.secret_key_base = existing_value
-    Rails.application.secrets = nil if Rails.version < "7.1"
-
-    test_class.configure_secret_token
-    expect(Rails.application.secret_key_base).to eq(existing_value)
-    expect(Rails.application.config.secret_key_base).to eq(existing_value)
-  end
-
   it "#rails_server_options" do
     w = FactoryBot.create(:miq_ui_worker, :uri => "http://127.0.0.1:3000")
     expect(w.rails_server_options).to include(