updating cadvisor deps

Signed-off-by: Vishnu kannan <vishnuk@google.com>

vendor/github.com/google/cadvisor/collector/util.go

@@ -0,0 +1,26 @@
+// Copyright 2016 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package collector
+
+import "github.com/google/cadvisor/container"
+
+func (endpointConfig *EndpointConfig) configure(containerHandler container.ContainerHandler) {
+	//If the exact URL was not specified, generate it based on the ip address of the container.
+	endpoint := endpointConfig
+	if endpoint.URL == "" {
+		ipAddress := containerHandler.GetContainerIPAddress()
+		endpointConfig.URL = endpoint.URLConfig.Protocol + "://" + ipAddress + ":" + endpoint.URLConfig.Port.String() + endpoint.URLConfig.Path
+	}
+}