Allow to enable the performance bar per user or Flipper group

A `performance_team` Flipper group has been created. By default this
group is nil but this can be customized in `gitlab.yml` via the
performance_bar.allowed_group setting.

Signed-off-by: Rémy Coutable <remy@rymai.me>

1 files changed, 18 insertions, 2 deletions

diff --git a/lib/gitlab/performance_bar.rb b/lib/gitlab/performance_bar.rb
index 163a40ad306..2ca2cbeac08 100644
--- a/lib/gitlab/performance_bar.rb
+++ b/lib/gitlab/performance_bar.rb
@@ -1,7 +1,23 @@
 module Gitlab
   module PerformanceBar
-    def self.enabled?
-      Feature.enabled?('gitlab_performance_bar')
+    def self.enabled?(current_user = nil)
+      Feature.enabled?(:gitlab_performance_bar, current_user)
+    end
+
+    def self.allowed_actor?(actor)
+      group = allowed_group
+      return false unless actor&.is_a?(User) && group
+
+      GroupMembersFinder.new(group)
+        .execute
+        .where(user_id: actor.id)
+        .any?
+    end
+
+    def self.allowed_group
+      return nil unless Gitlab.config.performance_bar.allowed_group
+
+      Group.by_path(Gitlab.config.performance_bar.allowed_group)
     end
   end
 end