Merge branch '8400-operations-check-ce' into 'master'

Backport operations_path helper

See merge request gitlab-org/gitlab-ce!23654

app/helpers/projects_helper.rb

@@ -391,6 +391,10 @@ module ProjectsHelper
     end
   end
 
+  def sidebar_operations_link_path(project = @project)
+    metrics_project_environments_path(project) if can?(current_user, :read_environment, project)
+  end
+
   def project_last_activity(project)
     if project.last_activity_at
       time_ago_with_tooltip(project.last_activity_at, placement: 'bottom', html_class: 'last_activity_time_ago')

app/views/layouts/nav/sidebar/_project.html.haml

@@ -196,7 +196,7 @@
 
       - if project_nav_tab? :operations
         = nav_link(controller: sidebar_operations_paths) do
-          = link_to metrics_project_environments_path(@project), class: 'shortcuts-operations' do
+          = link_to sidebar_operations_link_path, class: 'shortcuts-operations' do
             .nav-icon-container
               = sprite_icon('cloud-gear')
             %span.nav-item-name
@@ -204,7 +204,7 @@
 
           %ul.sidebar-sub-level-items
             = nav_link(controller: sidebar_operations_paths, html_options: { class: "fly-out-top-item" } ) do
-              = link_to metrics_project_environments_path(@project) do
+              = link_to sidebar_operations_link_path do
                 %strong.fly-out-top-item-name
                   =  _('Operations')
             %li.divider.fly-out-top-item