Merge branch 'prometheus-bundle-tag-refactor' into 'master'

Removed prometheus_metrics webpack bundle tag

See merge request gitlab-org/gitlab-ce!17175

app/assets/javascripts/pages/projects/services/edit/index.js

 import IntegrationSettingsForm from '~/integrations/integration_settings_form';
+import PrometheusMetrics from '~/prometheus_metrics/prometheus_metrics';
 
 export default () => {
+  const prometheusSettingsWrapper = document.querySelector('.js-prometheus-metrics-monitoring');
   const integrationSettingsForm = new IntegrationSettingsForm('.js-integration-settings-form');
   integrationSettingsForm.init();
+
+  if (prometheusSettingsWrapper) {
+    const prometheusMetrics = new PrometheusMetrics('.js-prometheus-metrics-monitoring');
+    prometheusMetrics.loadActiveMetrics();
+  }
 };

app/assets/javascripts/prometheus_metrics/index.js

-import PrometheusMetrics from './prometheus_metrics';
-
-$(() => {
-  const prometheusMetrics = new PrometheusMetrics('.js-prometheus-metrics-monitoring');
-  prometheusMetrics.loadActiveMetrics();
-});

app/views/projects/services/prometheus/_show.html.haml

-- content_for :page_specific_javascripts do
-  = webpack_bundle_tag('prometheus_metrics')
-
 .row.prepend-top-default.append-bottom-default.prometheus-metrics-monitoring.js-prometheus-metrics-monitoring
   .col-lg-3
     %h4.prepend-top-0

config/webpack.config.js

@@ -81,7 +81,6 @@ var config = {
     pipelines_details:    './pipelines/pipeline_details_bundle.js',
     profile:              './profile/profile_bundle.js',
     project_import_gl:    './projects/project_import_gitlab_project.js',
-    prometheus_metrics:   './prometheus_metrics',
     protected_branches:   './protected_branches',
     protected_tags:       './protected_tags',
     registry_list:        './registry/index.js',