Add defcon1 banner

Fixes #771

static/css/directives/ui/vulnerability-priority-view.css

@@ -13,7 +13,11 @@
 }
 
 .vulnerability-priority-view-element.High,
-.vulnerability-priority-view-element.Critical,
-.vulnerability-priority-view-element.Defcon1 {
+.vulnerability-priority-view-element.Critical {
   color: #D64456;
 }
+
+.vulnerability-priority-view-element.Defcon1 {
+  color: black;
+  font-weight: bold;
+}

static/directives/repo-view/repo-panel-tags.html

@@ -18,6 +18,13 @@
 
  <!-- Normal View -->
  <div ng-show="!showingHistory">
+   <div class="co-alert co-alert-danger" ng-if="hasDefcon1">
+     One or more of your tags has an <strong>extremely critical</strong> vulnerability which should be addressed immediately:
+     <a href="{{ vuln.Link }}" ng-repeat="(key, vuln) in defcon1" style="margin-left: 10px;" target="_blank">
+       {{ vuln.ID }}
+     </a>
+   </div>
+
    <div class="co-check-bar">
      <span class="cor-checkable-menu" controller="checkedTags">
        <div class="cor-checkable-menu-item" item-filter="allTagFilter">

static/js/directives/repo-view/repo-panel-tags.js

@@ -36,6 +36,8 @@ angular.module('quay').directive('repoPanelTags', function () {
       $scope.showingHistory = false;
       $scope.tagsPerPage = 25;
       $scope.imageVulnerabilities = {};
+      $scope.defcon1 = {};
+      $scope.hasDefcon1 = false;
 
       var setTagState = function() {
         if (!$scope.repository || !$scope.selectedTags) { return; }
@@ -173,6 +175,11 @@ angular.module('quay').directive('repoPanelTags', function () {
             };
 
             resp.data.Vulnerabilities.forEach(function(v) {
+              if (VulnerabilityService.LEVELS[v.Priority].index == 0) {
+                $scope.defcon1[v.ID] = v;
+                $scope.hasDefcon1 = true;
+              }
+
               if (VulnerabilityService.LEVELS[v.Priority].index < highest.index) {
                 highest = {
                   'Priority': v.Priority,