Update go dependencies

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

@@ -1,9 +1,9 @@
 language: go
+dist: xenial
 go:
-  - 1.8.x
   - 1.9.x
+  - 1.10.x
+  - 1.11.x
 go_import_path: k8s.io/utils
 script:
-  - diff -u <(echo -n) <(gofmt -d .)
-  - go tool vet .
-  - go test -v -race ./...
+  - make verify

vendor/k8s.io/utils/Makefile

@@ -0,0 +1,37 @@
+# Copyright 2018 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.
+
+.PHONY: verify
+verify: depend verify-fmt verify-lint vet
+	go test -v -race ./...
+
+.PHONY: depend
+depend:
+	go get -t -v ./...
+
+.PHONY: verify-fmt
+verify-fmt:
+	./hack/verify-gofmt.sh
+
+.PHONY: verify-lint
+verify-lint:
+	./hack/verify-golint.sh
+
+.PHONY: vet
+vet:
+	go tool vet .
+
+.PHONY: update-fmt
+update-fmt:
+	gofmt -s -w .

vendor/k8s.io/utils/OWNERS

@@ -13,3 +13,6 @@ reviewers:
 - lavalamp
 - mengqiy
 - thockin
+- andrewsykim
+- cheftako
+- mcrute

vendor/k8s.io/utils/README.md

@@ -48,6 +48,12 @@ an existing package to this repository.
   
 - [Pointers](/pointers) provides some functions for pointer-based operations.
 
+- [Io](/io) provides interfaces for working with file IO. Currently it provides
+  functionality for consistently reading a file.
+
+- [NSEnter](/nsenter) provies interfaces for executing and interacting with
+  processes running within a namespace.
+
 [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/exec.go

@@ -60,6 +60,17 @@ type Cmd interface {
 	SetStdin(in io.Reader)
 	SetStdout(out io.Writer)
 	SetStderr(out io.Writer)
+	SetEnv(env []string)
+
+	// StdoutPipe and StderrPipe for getting the process' Stdout and Stderr as
+	// Readers
+	StdoutPipe() (io.ReadCloser, error)
+	StderrPipe() (io.ReadCloser, error)
+
+	// Start and Wait are for running a process non-blocking
+	Start() error
+	Wait() error
+
 	// Stops the command by sending SIGTERM. It is not guaranteed the
 	// process will stop before this function returns. If the process is not
 	// responding, an internal timer function will send a SIGKILL to force
@@ -121,6 +132,30 @@ func (cmd *cmdWrapper) SetStderr(out io.Writer) {
 	cmd.Stderr = out
 }
 
+func (cmd *cmdWrapper) SetEnv(env []string) {
+	cmd.Env = env
+}
+
+func (cmd *cmdWrapper) StdoutPipe() (io.ReadCloser, error) {
+	r, err := (*osexec.Cmd)(cmd).StdoutPipe()
+	return r, handleError(err)
+}
+
+func (cmd *cmdWrapper) StderrPipe() (io.ReadCloser, error) {
+	r, err := (*osexec.Cmd)(cmd).StderrPipe()
+	return r, handleError(err)
+}
+
+func (cmd *cmdWrapper) Start() error {
+	err := (*osexec.Cmd)(cmd).Start()
+	return handleError(err)
+}
+
+func (cmd *cmdWrapper) Wait() error {
+	err := (*osexec.Cmd)(cmd).Wait()
+	return handleError(err)
+}
+
 // Run is part of the Cmd interface.
 func (cmd *cmdWrapper) Run() error {
 	err := (*osexec.Cmd)(cmd).Run()
@@ -206,10 +241,12 @@ func (e CodeExitError) String() string {
 	return e.Err.Error()
 }
 
+// Exited is to check if the process has finished
 func (e CodeExitError) Exited() bool {
 	return true
 }
 
+// ExitStatus is for checking the error code
 func (e CodeExitError) ExitStatus() int {
 	return e.Code
 }

vendor/k8s.io/utils/pointer/OWNERS

@@ -1,9 +0,0 @@
-# See the OWNERS docs at https://go.k8s.io/owners
-approvers:
-- apelisse
-- stewart-yu
-- thockin
-reviewers:
-- apelisse
-- stewart-yu
-- thockin

vendor/k8s.io/utils/pointer/pointer.go

@@ -1,86 +0,0 @@
-/*
-Copyright 2018 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 pointer
-
-import (
-	"fmt"
-	"reflect"
-)
-
-// AllPtrFieldsNil tests whether all pointer fields in a struct are nil.  This is useful when,
-// for example, an API struct is handled by plugins which need to distinguish
-// "no plugin accepted this spec" from "this spec is empty".
-//
-// This function is only valid for structs and pointers to structs.  Any other
-// type will cause a panic.  Passing a typed nil pointer will return true.
-func AllPtrFieldsNil(obj interface{}) bool {
-	v := reflect.ValueOf(obj)
-	if !v.IsValid() {
-		panic(fmt.Sprintf("reflect.ValueOf() produced a non-valid Value for %#v", obj))
-	}
-	if v.Kind() == reflect.Ptr {
-		if v.IsNil() {
-			return true
-		}
-		v = v.Elem()
-	}
-	for i := 0; i < v.NumField(); i++ {
-		if v.Field(i).Kind() == reflect.Ptr && !v.Field(i).IsNil() {
-			return false
-		}
-	}
-	return true
-}
-
-// Int32Ptr returns a pointer to an int32
-func Int32Ptr(i int32) *int32 {
-	return &i
-}
-
-// Int64Ptr returns a pointer to an int64
-func Int64Ptr(i int64) *int64 {
-	return &i
-}
-
-// Int32PtrDerefOr dereference the int32 ptr and returns it i not nil,
-// else returns def.
-func Int32PtrDerefOr(ptr *int32, def int32) int32 {
-	if ptr != nil {
-		return *ptr
-	}
-	return def
-}
-
-// BoolPtr returns a pointer to a bool
-func BoolPtr(b bool) *bool {
-	return &b
-}
-
-// StringPtr returns a pointer to the passed string.
-func StringPtr(s string) *string {
-	return &s
-}
-
-// Float32Ptr returns a pointer to the passed float32.
-func Float32Ptr(i float32) *float32 {
-	return &i
-}
-
-// Float64Ptr returns a pointer to the passed float64.
-func Float64Ptr(i float64) *float64 {
-	return &i
-}