Refs #36801: Set Redis as the default cache on upgrade

config/foreman.migrations/20231005004305_redis_default_cache.rb

@@ -0,0 +1,3 @@
+if answers['foreman'].is_a?(Hash) && answers['foreman']['rails_cache_store'] == {'type' => 'file'}
+  answers['foreman']['rails_cache_store'] = {'type' => 'redis'}
+end

config/katello.migrations/231005004311-redis-default-cache.rb

@@ -0,0 +1,3 @@
+if answers['foreman'].is_a?(Hash) && answers['foreman']['rails_cache_store'] == {'type' => 'file'}
+  answers['foreman']['rails_cache_store'] = {'type' => 'redis'}
+end

spec/migration_spec.rb

@@ -123,3 +123,21 @@
     end
   end
 end
+
+migration '20231005004305_redis_default_cache' do
+  scenarios %w[foreman katello] do
+    context 'changes default cache to Redis' do
+      let(:answers) do
+        {
+          'foreman' => {
+            'rails_cache_store' => {'type' => 'file'},
+          },
+        }
+      end
+
+      it 'changes the default to Redis' do
+        expect(migrated_answers['foreman']['rails_cache_store']).to eq ({'type' => 'redis'})
+      end
+    end
+  end
+end