From 75085b213a2bd1fef2d229ad13244418620475e1 Mon Sep 17 00:00:00 2001
From: Kevan Ahlquist <ahlqu039@umn.edu>
Date: Sun, 13 Dec 2015 23:28:28 -0600
Subject: [PATCH] Support RepoTags for versions of the Docker API older than
 1.21.

---
 app/components/image/imageController.js | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/app/components/image/imageController.js b/app/components/image/imageController.js
index 2bae9d39b..6a903206a 100644
--- a/app/components/image/imageController.js
+++ b/app/components/image/imageController.js
@@ -63,10 +63,29 @@ angular.module('image', [])
                 return defer.promise;
             }
 
+            /**
+             * Get RepoTags from the /images/query endpoint instead of /image/json,
+             * for backwards compatibility with Docker API versions older than 1.21
+             * @param {string} imageId
+             */
+            function getRepoTags(imageId) {
+                Image.query({}, function (d) {
+                    d.forEach(function(image) {
+                        if (image.Id === imageId && image.RepoTags[0] !== '<none>:<none>') {
+                            $scope.RepoTags = image.RepoTags;
+                        }
+                    });
+                });
+            }
+
             Image.get({id: $routeParams.id}, function (d) {
                 $scope.image = d;
                 $scope.id = d.Id;
-                $scope.RepoTags = d.RepoTags;
+                if (d.RepoTags) {
+                    $scope.RepoTags = d.RepoTags;
+                } else {
+                    getRepoTags($scope.id);
+                }
 
                 getContainersFromImage($q, Container, $scope.id).then(function (containers) {
                     LineChart.build('#containers-started-chart', containers, function (c) {