Geo: Improve read-only message in secondary nodes for actionable screens

app/controllers/admin/application_controller.rb

@@ -4,6 +4,8 @@
 #
 # Automatically sets the layout and ensures an administrator is logged in
 class Admin::ApplicationController < ApplicationController
+  prepend EE::Admin::ApplicationController
+
   before_action :authenticate_admin!
   layout 'admin'
 

app/controllers/admin/projects_controller.rb

 # frozen_string_literal: true
 
 class Admin::ProjectsController < Admin::ApplicationController
+  prepend EE::Admin::ProjectsController
   include MembersPresentation
 
   before_action :project, only: [:show, :transfer, :repository_check]

ee/app/controllers/admin/geo/projects_controller.rb

@@ -3,6 +3,7 @@
 class Admin::Geo::ProjectsController < Admin::ApplicationController
   before_action :check_license
   before_action :load_registry, except: [:index]
+  before_action :limited_actions_message!
 
   helper ::EE::GeoHelper
 

ee/app/controllers/ee/admin/application_controller.rb

+# frozen_string_literal: true
+
+module EE
+  module Admin
+    module ApplicationController
+      # This will set an instance variable that will be read by EE::ApplicationHelper
+      #
+      # @see EE::ApplicationHelper
+      def limited_actions_message!
+        @limited_actions_message = true # rubocop:disable Gitlab/ModuleWithInstanceVariables
+      end
+    end
+  end
+end

ee/app/controllers/ee/admin/projects_controller.rb

+# frozen_string_literal: true
+
+module EE
+  module Admin
+    module ProjectsController
+      extend ActiveSupport::Concern
+
+      prepended do
+        before_action :limited_actions_message!, only: :show
+      end
+    end
+  end
+end

ee/app/helpers/ee/application_helper.rb

@@ -4,10 +4,14 @@ module EE
 
     override :read_only_message
     def read_only_message
-      return super unless ::Gitlab::Geo.secondary_with_primary?
+      return super unless ::Gitlab::Geo.secondary?
 
-      (_('You are on a secondary, <b>read-only</b> Geo node. If you want to make changes, you must visit this page on the %{primary_node}.') %
-        { primary_node: link_to('primary node', ::Gitlab::Geo.primary_node.url) }).html_safe
+      if @limited_actions_message
+        s_('Geo|You are on a secondary, <b>read-only</b> Geo node. You may be able to make a limited amount of changes or perform a limited amount of actions on this page.').html_safe
+      else
+        (s_('Geo|You are on a secondary, <b>read-only</b> Geo node. If you want to make changes, you must visit this page on the %{primary_node}.') %
+          { primary_node: link_to('primary node', ::Gitlab::Geo.primary_node&.url || '#') }).html_safe
+      end
     end
 
     def render_ce(partial, locals = {})

ee/changelogs/unreleased/8124-geo-improve-readonly-badge.yml

+---
+title: 'Geo: Improve read-only message in secondary nodes for actionable screens'
+merge_request: 8238
+author:
+type: changed

ee/spec/controllers/admin/geo/projects_controller_spec.rb

 # frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Admin::Geo::ProjectsController, :geo do
+  include EE::GeoHelpers
+
   set(:admin) { create(:admin) }
   let(:synced_registry) { create(:geo_project_registry, :synced) }
 
@@ -28,6 +31,11 @@ describe Admin::Geo::ProjectsController, :geo do
 
       before do
         stub_licensed_features(geo: true)
+        stub_current_geo_node(create(:geo_node))
+      end
+
+      it 'displays a different read-only message based on skip_readonly_message' do
+        expect(subject.body).to match('You may be able to make a limited amount of changes or perform a limited amount of actions on this page')
       end
 
       context 'without sync_status specified' do

ee/spec/controllers/admin/projects_controller_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-describe Admin::ProjectsController do
+describe Admin::ProjectsController, :geo do
   include EE::GeoHelpers
 
   let!(:project_registry) { create(:geo_project_registry) }
@@ -31,6 +31,10 @@ describe Admin::ProjectsController do
       it 'renders Geo Status widget' do
         expect(subject.body).to match('Geo Status')
       end
+
+      it 'displays a different read-only message based on skip_readonly_message' do
+        expect(subject.body).to match('You may be able to make a limited amount of changes or perform a limited amount of actions on this page')
+      end
     end
 
     context 'without Geo enabled' do

ee/spec/helpers/application_helper_spec.rb

+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ApplicationHelper do
+  include EE::GeoHelpers
+
+  describe '#read_only_message' do
+    context 'when not in a Geo secondary' do
+      it 'returns a fallback message if database is readonly' do
+        expect(Gitlab::Database).to receive(:read_only?) { true }
+
+        expect(helper.read_only_message).to match('You are on a read-only GitLab instance')
+      end
+
+      it 'returns nil when database is not read_only' do
+        expect(helper.read_only_message).to be_nil
+      end
+    end
+
+    context 'when in a Geo Secondary' do
+      before do
+        stub_current_geo_node(create(:geo_node))
+      end
+
+      context 'when there is no Geo Primary node configured' do
+        it 'returns a read-only Geo message without a link to a primary node' do
+          expect(helper.read_only_message).to match(/If you want to make changes, you must visit this page on the .*primary node/)
+          expect(helper.read_only_message).not_to include('http://')
+        end
+      end
+
+      context 'when there is a Geo Primary node configured' do
+        let!(:geo_primary) { create(:geo_node, :primary) }
+
+        it 'returns a read-only Geo message with a link to primary node' do
+          expect(helper.read_only_message).to match(/If you want to make changes, you must visit this page on the .*primary node/)
+          expect(helper.read_only_message).to include(geo_primary.url)
+        end
+
+        it 'returns a limited actions message when @limited_actions_message is true' do
+          assign(:limited_actions_message, true)
+
+          expect(helper.read_only_message).to match(/You may be able to make a limited amount of changes or perform a limited amount of actions on this page/)
+          expect(helper.read_only_message).not_to include('http://')
+        end
+      end
+    end
+  end
+
   describe '#autocomplete_data_sources' do
     def expect_autocomplete_data_sources(object, noteable_type, source_keys)
       sources = helper.autocomplete_data_sources(object, noteable_type)

locale/gitlab.pot

@@ -3841,6 +3841,12 @@ msgstr ""
 msgid "Geo|Waiting for scheduler"
 msgstr ""
 
+msgid "Geo|You are on a secondary, <b>read-only</b> Geo node. If you want to make changes, you must visit this page on the %{primary_node}."
+msgstr ""
+
+msgid "Geo|You are on a secondary, <b>read-only</b> Geo node. You may be able to make a limited amount of changes or perform a limited amount of actions on this page."
+msgstr ""
+
 msgid "Geo|You need a different license to use Geo replication"
 msgstr ""
 
@@ -8992,9 +8998,6 @@ msgstr ""
 msgid "You are on a read-only GitLab instance."
 msgstr ""
 
-msgid "You are on a secondary, <b>read-only</b> Geo node. If you want to make changes, you must visit this page on the %{primary_node}."
-msgstr ""
-
 msgid "You can %{linkStart}view the blob%{linkEnd} instead."
 msgstr ""