Show a warning if secondary node revision is not the same of primary

app/assets/javascripts/geo_nodes.js

@@ -13,7 +13,7 @@ const healthyIcon = 'fa-check';
 const unhealthyIcon = 'fa-times';
 const unknownIcon = 'fa-times';
 const notAvailable = 'Not Available';
-const versionMismatch = 'does not match the primary node version';
+const versionMismatch = 'Does not match the primary node version';
 const versionMismatchClass = 'geo-node-version-mismatch';
 
 class GeoNodeStatus {
@@ -23,7 +23,6 @@ class GeoNodeStatus {
     this.$loadingIcon = $('.js-geo-node-loading', this.$el);
     this.$dbReplicationLag = $('.js-db-replication-lag', this.$status);
     this.$healthStatus = $('.js-health-status', this.$el);
-    this.$primaryVersion = $('.js-primary-version');
     this.$status = $('.js-geo-node-status', this.$el);
     this.$repositories = $('.js-repositories', this.$status);
     this.$lfsObjects = $('.js-lfs-objects', this.$status);
@@ -37,6 +36,8 @@ class GeoNodeStatus {
     this.endpoint = this.$el.data('status-url');
     this.$advancedStatus = $('.js-advanced-geo-node-status-toggler', this.$status.parent());
     this.$advancedStatus.on('click', GeoNodeStatus.toggleShowAdvancedStatus.bind(this));
+    this.primaryVersion = $('.js-primary-version').text();
+    this.primaryRevision = $('.js-primary-revision').text().replace(/\W/g, '');
 
     this.statusInterval = new SmartInterval({
       callback: this.getStatus.bind(this),
@@ -200,12 +201,12 @@ class GeoNodeStatus {
       this.$dbReplicationLag.text('UNKNOWN');
     }
 
-    if (this.$primaryVersion.text() !== status.version) {
+    if (this.primaryVersion === status.version && this.primaryRevision === status.revision) {
       this.$secondaryVersion.removeClass(`${versionMismatchClass}`);
-      this.$secondaryVersion.text(status.version);
+      this.$secondaryVersion.text(`${status.version} (${status.revision})`);
     } else {
       this.$secondaryVersion.addClass(`${versionMismatchClass}`);
-      this.$secondaryVersion.text(`${status.version} (${versionMismatch})`);
+      this.$secondaryVersion.text(`${status.version} (${status.revision}) - ${versionMismatch}`);
     }
 
     if (status.repositories_count > 0) {

app/views/admin/geo_nodes/index.html.haml

@@ -34,7 +34,8 @@
               %p
                 %span.help-block
                   Gitlab version:
-                  %strong.node-info.js-primary-version= Gitlab::VERSION
+                  %span.js-primary-version= Gitlab::VERSION
+                  %small.js-primary-revision= "(#{Gitlab::REVISION})"
             - else
               = status_loading_icon
               %table.geo-node-status.js-geo-node-status.hidden
@@ -44,7 +45,6 @@
                       GitLab Version:
                   %td
                     .node-info.prepend-top-10.prepend-left-5.js-gitlab-version
-                      %span.node-info.geo-node-version-mismatch Foo
                 - if node.enabled?
                   %tr
                     %td