Add EE-only initializers

These files are only used by EE, and are now wrapped in `Gitlab.ee`
blocks for file parity.

1 files changed, 23 insertions, 0 deletions

diff --git a/config/initializers/load_balancing.rb b/config/initializers/load_balancing.rb
new file mode 100644
index 00000000000..1ac422a6e8a
--- /dev/null
+++ b/config/initializers/load_balancing.rb
@@ -0,0 +1,23 @@
+# We need to run this initializer after migrations are done so it doesn't fail on CI
+
+Gitlab.ee do
+  if ActiveRecord::Base.connected? && ActiveRecord::Base.connection.data_source_exists?('licenses')
+    if Gitlab::Database::LoadBalancing.enable?
+      Gitlab::Database.disable_prepared_statements
+
+      Gitlab::Application.configure do |config|
+        config.middleware.use(Gitlab::Database::LoadBalancing::RackMiddleware)
+      end
+
+      Gitlab::Database::LoadBalancing.configure_proxy
+
+      # This needs to be executed after fork of clustered processes
+      Gitlab::Cluster::LifecycleEvents.on_worker_start do
+        # Service discovery must be started after configuring the proxy, as service
+        # discovery depends on this.
+        Gitlab::Database::LoadBalancing.start_service_discovery
+      end
+
+    end
+  end
+end