Show error when can't connect on Geo Node to get information

[ci skip]

app/presenters/geo_node_presenter.rb

@@ -10,27 +10,26 @@ class GeoNodePresenter < Gitlab::View::Presenter::Delegated
   end
 
   def repositories
-    status.repositories
+    status.repositories.to_i
   end
 
   def repositories_synced
-    status.repositories_synced
+    status.repositories_synced.to_i
   end
 
   def repositories_synced_in_percentage
+    return 0 if repositories === 0
+
     (repositories_synced.to_f / repositories.to_f) * 100.0
   end
 
   def repositories_failed
-    status.repositories_failed
+    status.repositories_failed.to_i
   end
 
   private
 
   def status
-    @status ||= begin
-      _, status = Geo::NodeStatusService.new.call(status_url)
-      status
-    end
+    @status ||= Geo::NodeStatusService.new.call(status_url)
   end
 end

app/services/geo/node_status_service.rb

@@ -12,13 +12,17 @@ module Geo
                                   'PRIVATE-TOKEN' => private_token
                                 })
 
-      keys   = GeoNode::Status.members.map(&:to_s)
-      values = response.parsed_response.values_at(*keys)
-      status = GeoNode::Status.new(*values)
+      values =
+        if response.code >= 200 && response.code < 300
+          keys = GeoNode::Status.members.map(&:to_s)
+          response.parsed_response.values_at(*keys)
+        else
+          ["Could not connect to Geo node - HTTP Status Code: #{response.code}"]
+        end
 
-      [(response.code >= 200 && response.code < 300), status]
+      GeoNode::Status.new(*values)
     rescue HTTParty::Error, Errno::ECONNREFUSED => e
-      [false, GeoNode::Status.new(ActionView::Base.full_sanitizer.sanitize(e.message))]
+      GeoNode::Status.new(ActionView::Base.full_sanitizer.sanitize(e.message))
     end
 
     private