fix(templates): fix the ability to pull an image within an offline environment (#961)

app/components/createContainer/createContainerController.js

@@ -299,7 +299,7 @@ function ($q, $scope, $state, $stateParams, $filter, Container, ContainerHelper,
   };
 
   function createContainer(config, accessControlData) {
-    $q.when(!$scope.formValues.alwaysPull || ImageService.pullImage($scope.config.Image, $scope.formValues.Registry))
+    $q.when(!$scope.formValues.alwaysPull || ImageService.pullImage($scope.config.Image, $scope.formValues.Registry, true))
     .finally(function final() {
       ContainerService.createAndStartContainer(config)
       .then(function success(data) {

app/components/image/imageController.js

@@ -47,7 +47,7 @@ function ($scope, $stateParams, $state, $timeout, ImageService, RegistryService,
 		RegistryService.retrieveRegistryFromRepository(repository)
 		.then(function success(data) {
 			var registry = data;
-			return ImageService.pullImage(repository, registry);
+			return ImageService.pullImage(repository, registry, false);
 		})
 		.then(function success(data) {
 			Notifications.success('Image successfully pulled', repository);

app/components/images/imagesController.js

@@ -42,7 +42,7 @@ function ($scope, $state, ImageService, Notifications, Pagination, ModalService)
     $('#pullImageSpinner').show();
     var image = $scope.formValues.Image;
     var registry = $scope.formValues.Registry;
-    ImageService.pullImage(image, registry)
+    ImageService.pullImage(image, registry, false)
     .then(function success(data) {
       Notifications.success('Image successfully pulled', image);
       $state.reload();

app/components/templates/templatesController.js

@@ -69,7 +69,7 @@ function ($scope, $q, $state, $stateParams, $anchorScroll, $filter, ContainerSer
         generatedVolumeIds.push(volumeId);
       });
       TemplateService.updateContainerConfigurationWithVolumes(templateConfiguration, template, data);
-      return ImageService.pullImage(template.Image, template.Registry);
+      return ImageService.pullImage(template.Image, { URL: template.Registry }, true);
     })
     .then(function success(data) {
       return ContainerService.createAndStartContainer(templateConfiguration);

app/services/docker/imageService.js

@@ -54,14 +54,19 @@ angular.module('portainer.services')
     return deferred.promise;
   };
 
-
-  service.pullImage = function(image, registry) {
+  function pullImageAndIgnoreErrors(imageConfiguration) {
     var deferred = $q.defer();
 
-    var imageDetails = ImageHelper.extractImageAndRegistryFromRepository(image);
-    var imageConfiguration = ImageHelper.createImageConfigForContainer(imageDetails.image, registry.URL);
-    var authenticationDetails = registry.Authentication ? RegistryService.encodedCredentials(registry) : '';
-    HttpRequestHelper.setRegistryAuthenticationHeader(authenticationDetails);
+    Image.create({}, imageConfiguration).$promise
+    .finally(function final() {
+      deferred.resolve();
+    });
+
+    return deferred.promise;
+  }
+
+  function pullImageAndAcknowledgeErrors(imageConfiguration) {
+    var deferred = $q.defer();
 
     Image.create({}, imageConfiguration).$promise
     .then(function success(data) {
@@ -78,6 +83,18 @@ angular.module('portainer.services')
     });
 
     return deferred.promise;
+  }
+
+  service.pullImage = function(image, registry, ignoreErrors) {
+    var imageDetails = ImageHelper.extractImageAndRegistryFromRepository(image);
+    var imageConfiguration = ImageHelper.createImageConfigForContainer(imageDetails.image, registry.URL);
+    var authenticationDetails = registry.Authentication ? RegistryService.encodedCredentials(registry) : '';
+    HttpRequestHelper.setRegistryAuthenticationHeader(authenticationDetails);
+
+    if (ignoreErrors) {
+      return pullImageAndIgnoreErrors(imageConfiguration);
+    }
+    return pullImageAndAcknowledgeErrors(imageConfiguration);
   };
 
   service.tagImage = function(id, image, registry) {