Pass GitalyAddress to workhorse

lib/gitlab/workhorse.rb

@@ -44,7 +44,12 @@ module Gitlab
                               raise "Unsupported action: #{action}"
                             end
-          params[:GitalySocketPath] = URI(address).path if feature_enabled
+          if feature_enabled
+            params[:GitalyAddress] = address
+            # TODO deprecate GitalySocketPath once GITLAB_WORKHORSE_VERSION points
+            # to a version that supports GitalyAddress.
+            params[:GitalySocketPath] = URI(address).path
+          end
         end
         params

spec/lib/gitlab/workhorse_spec.rb

@@ -188,8 +188,10 @@ describe Gitlab::Workhorse, lib: true do
     context 'when Gitaly is enabled' do
       let(:gitaly_params) do
+        address = Gitlab::GitalyClient.get_address('default')
         {
-          GitalySocketPath: URI(Gitlab::GitalyClient.get_address('default')).path,
+          GitalySocketPath: URI(address).path,
+          GitalyAddress: address,
         }
       end