Move cluster_health to core

This moves the frontend components as
well as the QA tests to core

app/assets/javascripts/pages/admin/clusters/show/index.js

 import ClustersBundle from '~/clusters/clusters_bundle';
+import initClusterHealth from '~/pages/projects/clusters/show/cluster_health';
 
 document.addEventListener('DOMContentLoaded', () => {
   new ClustersBundle(); // eslint-disable-line no-new
+  initClusterHealth();
 });

app/assets/javascripts/pages/groups/clusters/show/index.js

 import ClustersBundle from '~/clusters/clusters_bundle';
+import initClusterHealth from '~/pages/projects/clusters/show/cluster_health';
 
 document.addEventListener('DOMContentLoaded', () => {
   new ClustersBundle(); // eslint-disable-line no-new
+  initClusterHealth();
 });

ee/app/assets/javascripts/pages/projects/clusters/show/cluster_health.js → app/assets/javascripts/pages/projects/clusters/show/cluster_health.js

-import initCeBundle from '~/monitoring/monitoring_app';
+import monitoringApp from '~/monitoring/monitoring_app';
 
 export default () => {
   const el = document.getElementById('prometheus-graphs');
 
   if (el && el.dataset) {
-    initCeBundle({
+    monitoringApp({
       ...el.dataset,
       showLegend: false,
       showHeader: false,

app/assets/javascripts/pages/projects/clusters/show/index.js

 import ClustersBundle from '~/clusters/clusters_bundle';
 import initGkeNamespace from '~/create_cluster/gke_cluster_namespace';
+import initClusterHealth from './cluster_health';
 
 document.addEventListener('DOMContentLoaded', () => {
   new ClustersBundle(); // eslint-disable-line no-new
   initGkeNamespace();
+  initClusterHealth();
 });

app/views/clusters/clusters/show.html.haml

@@ -55,7 +55,7 @@
       %ul.nav-links.mobile-separator.nav.nav-tabs{ role: 'tablist' }
         = render 'details_tab'
         = render_if_exists 'clusters/clusters/environments_tab'
-        = render_if_exists 'clusters/clusters/health_tab'
+        = render 'clusters/clusters/health_tab'
         = render 'applications_tab'
         = render 'advanced_settings_tab'
 

ee/app/assets/javascripts/pages/admin/clusters/show/index.js

-import '~/pages/admin/clusters/show';
-import initClusterHealth from '../../../projects/clusters/show/cluster_health';
-
-document.addEventListener('DOMContentLoaded', initClusterHealth);

ee/app/assets/javascripts/pages/groups/clusters/show/index.js

-import '~/pages/projects/clusters/show';
-import initClusterHealth from '../../../projects/clusters/show/cluster_health';
-
-document.addEventListener('DOMContentLoaded', initClusterHealth);

ee/app/assets/javascripts/pages/projects/clusters/show/index.js

-import '~/pages/projects/clusters/show';
-import initClusterHealth from './cluster_health';
-
-document.addEventListener('DOMContentLoaded', initClusterHealth);

qa/qa/ee/page/project/operations/kubernetes/show.rb

 # frozen_string_literal: true
 
 module QA
-  module EE
-    module Page
-      module Project
-        module Operations
-          module Kubernetes
-            module Show
-              extend QA::Page::PageConcern
-
-              def self.prepended(base)
-                super
-
-                base.class_eval do
-                  view 'ee/app/views/clusters/clusters/_health.html.haml' do
-                    element :cluster_health_section
-                  end
-
-                  view 'ee/app/views/clusters/clusters/_health_tab.html.haml' do
-                    element :health, required: true
-                  end
+  module Page
+    module Project
+      module Operations
+        module Kubernetes
+          module Show
+            extend QA::Page::PageConcern
+
+            def self.prepended(base)
+              super
+
+              base.class_eval do
+                view 'app/views/clusters/clusters/_health.html.haml' do
+                  element :cluster_health_section
                 end
-              end
 
-              def wait_for_cluster_health
-                wait_until(max_duration: 120, sleep_interval: 3, reload: true) do
-                  has_cluster_health_graphs?
+                view 'app/views/clusters/clusters/_health_tab.html.haml' do
+                  element :health, required: true
                 end
               end
+            end
 
-              def open_health
-                has_element?(:health, wait: 30)
-                click_element :health
+            def wait_for_cluster_health
+              wait_until(max_duration: 120, sleep_interval: 3, reload: true) do
+                has_cluster_health_graphs?
               end
+            end
 
-              def has_cluster_health_graphs?
-                within_cluster_health_section do
-                  has_text?('CPU Usage')
-                end
+            def open_health
+              has_element?(:health, wait: 30)
+              click_element :health
+            end
+
+            def has_cluster_health_graphs?
+              within_cluster_health_section do
+                has_text?('CPU Usage')
               end
+            end
 
-              def within_cluster_health_section
-                within_element :cluster_health_section do
-                  yield
-                end
+            def within_cluster_health_section
+              within_element :cluster_health_section do
+                yield
               end
             end
           end