Update go dependencies

vendor/k8s.io/utils/.travis.yml

@@ -3,6 +3,7 @@ go:
   - 1.6.x
   - 1.7.x
   - 1.8.x
+  - 1.9.x
 go_import_path: k8s.io/utils
 script:
   - diff -u <(echo -n) <(gofmt -d .)

vendor/k8s.io/utils/README.md

@@ -1,6 +1,6 @@
 # Utils
 
-[![Build Status]](https://travis-ci.org/kubernetes/utils)
+[![Build Status]](https://travis-ci.org/kubernetes/utils) [![GoDoc](https://godoc.org/k8s.io/utils?status.svg)](https://godoc.org/k8s.io/utils)
 
 A set of Go libraries that provide low-level,
 kubernetes-independent packages supplementing the [Go
@@ -40,6 +40,9 @@ an existing package to this repository.
   to mock and replace in tests, especially with
   the [FakeExec](exec/testing/fake_exec.go) struct.
 
+- [Temp](/temp) provides an interface to create temporary directories. It also
+  provides a [FakeDir](temp/temptesting) implementation to replace in tests.
+
 [Build Status]: https://travis-ci.org/kubernetes/utils.svg?branch=master
 [Go standard libs]: https://golang.org/pkg/#stdlib
 [api]: https://github.com/kubernetes/api

vendor/k8s.io/utils/exec/new_test.go

@@ -0,0 +1,37 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+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 exec_test
+
+import (
+	"bytes"
+	"fmt"
+
+	"k8s.io/utils/exec"
+)
+
+func ExampleNew() {
+	exec := exec.New()
+
+	cmd := exec.Command("echo", "Bonjour!")
+	buff := bytes.Buffer{}
+	cmd.SetStdout(&buff)
+	if err := cmd.Run(); err != nil {
+		panic(err)
+	}
+	fmt.Println(buff.String())
+	// Output: Bonjour!
+}