fix golint for some of pkg/util

hack/.golint_failures

@@ -374,7 +374,6 @@ pkg/ssh
 pkg/util/bandwidth
 pkg/util/config
 pkg/util/configz
-pkg/util/dbus
 pkg/util/ebtables
 pkg/util/env
 pkg/util/file
@@ -386,7 +385,6 @@ pkg/util/iptables/testing
 pkg/util/labels
 pkg/util/mount
 pkg/util/netsh/testing
-pkg/util/node
 pkg/util/normalizer
 pkg/util/oom
 pkg/util/parsers
@@ -400,7 +398,6 @@ pkg/util/sysctl/testing
 pkg/util/system
 pkg/util/taints
 pkg/util/tolerations
-pkg/util/workqueue/prometheus
 pkg/version/verflag
 pkg/volume
 pkg/volume/azure_dd

pkg/util/dbus/dbus_test.go

@@ -209,9 +209,8 @@ func TestFakeDBus(t *testing.T) {
 				checkName := args[0].(string)
 				if checkName != ownedName {
 					return nil, godbus.Error{Name: "org.freedesktop.DBus.Error.NameHasNoOwner", Body: nil}
-				} else {
-					return []interface{}{uniqueName}, nil
 				}
+				return []interface{}{uniqueName}, nil
 			} else if method == "org.freedesktop.DBus.RequestName" {
 				reqName := args[0].(string)
 				_ = args[1].(uint32)

pkg/util/dbus/fake_dbus.go

@@ -23,25 +23,25 @@ import (
 	godbus "github.com/godbus/dbus"
 )
 
-// DBusFake is a simple fake Interface type.
-type DBusFake struct {
-	systemBus  *DBusFakeConnection
-	sessionBus *DBusFakeConnection
+// Fake is a simple fake Interface type.
+type Fake struct {
+	systemBus  *FakeConnection
+	sessionBus *FakeConnection
 }
 
-// DBusFakeConnection represents a fake D-Bus connection
-type DBusFakeConnection struct {
+// FakeConnection represents a fake D-Bus connection
+type FakeConnection struct {
 	lock           sync.Mutex
 	busObject      *fakeObject
 	objects        map[string]*fakeObject
 	signalHandlers []chan<- *godbus.Signal
 }
 
-// DBusFakeHandler is used to handle fake D-Bus method calls
-type DBusFakeHandler func(method string, args ...interface{}) ([]interface{}, error)
+// FakeHandler is used to handle fake D-Bus method calls
+type FakeHandler func(method string, args ...interface{}) ([]interface{}, error)
 
 type fakeObject struct {
-	handler DBusFakeHandler
+	handler FakeHandler
 }
 
 type fakeCall struct {
@@ -50,46 +50,45 @@ type fakeCall struct {
 }
 
 // NewFake returns a new Interface which will fake talking to D-Bus
-func NewFake(systemBus *DBusFakeConnection, sessionBus *DBusFakeConnection) *DBusFake {
-	return &DBusFake{systemBus, sessionBus}
+func NewFake(systemBus *FakeConnection, sessionBus *FakeConnection) *Fake {
+	return &Fake{systemBus, sessionBus}
 }
 
-func NewFakeConnection() *DBusFakeConnection {
-	return &DBusFakeConnection{
+// NewFakeConnection returns a FakeConnection Interface
+func NewFakeConnection() *FakeConnection {
+	return &FakeConnection{
 		objects: make(map[string]*fakeObject),
 	}
 }
 
 // SystemBus is part of Interface
-func (db *DBusFake) SystemBus() (Connection, error) {
+func (db *Fake) SystemBus() (Connection, error) {
 	if db.systemBus != nil {
 		return db.systemBus, nil
-	} else {
-		return nil, fmt.Errorf("DBus is not running")
 	}
+	return nil, fmt.Errorf("DBus is not running")
 }
 
 // SessionBus is part of Interface
-func (db *DBusFake) SessionBus() (Connection, error) {
+func (db *Fake) SessionBus() (Connection, error) {
 	if db.sessionBus != nil {
 		return db.sessionBus, nil
-	} else {
-		return nil, fmt.Errorf("DBus is not running")
 	}
+	return nil, fmt.Errorf("DBus is not running")
 }
 
 // BusObject is part of the Connection interface
-func (conn *DBusFakeConnection) BusObject() Object {
+func (conn *FakeConnection) BusObject() Object {
 	return conn.busObject
 }
 
 // Object is part of the Connection interface
-func (conn *DBusFakeConnection) Object(name, path string) Object {
+func (conn *FakeConnection) Object(name, path string) Object {
 	return conn.objects[name+path]
 }
 
 // Signal is part of the Connection interface
-func (conn *DBusFakeConnection) Signal(ch chan<- *godbus.Signal) {
+func (conn *FakeConnection) Signal(ch chan<- *godbus.Signal) {
 	conn.lock.Lock()
 	defer conn.lock.Unlock()
 	for i := range conn.signalHandlers {
@@ -102,17 +101,17 @@ func (conn *DBusFakeConnection) Signal(ch chan<- *godbus.Signal) {
 }
 
 // SetBusObject sets the handler for the BusObject of conn
-func (conn *DBusFakeConnection) SetBusObject(handler DBusFakeHandler) {
+func (conn *FakeConnection) SetBusObject(handler FakeHandler) {
 	conn.busObject = &fakeObject{handler}
 }
 
 // AddObject adds a handler for the Object at name and path
-func (conn *DBusFakeConnection) AddObject(name, path string, handler DBusFakeHandler) {
+func (conn *FakeConnection) AddObject(name, path string, handler FakeHandler) {
 	conn.objects[name+path] = &fakeObject{handler}
 }
 
 // EmitSignal emits a signal on conn
-func (conn *DBusFakeConnection) EmitSignal(name, path, iface, signal string, args ...interface{}) {
+func (conn *FakeConnection) EmitSignal(name, path, iface, signal string, args ...interface{}) {
 	conn.lock.Lock()
 	defer conn.lock.Unlock()
 	sig := &godbus.Signal{

pkg/util/node/node.go

@@ -36,9 +36,11 @@ import (
 )
 
 const (
-	// The reason and message set on a pod when its state cannot be confirmed as kubelet is unresponsive
+	// NodeUnreachablePodReason is the reason on a pod when its state cannot be confirmed as kubelet is unresponsive
+	// on the node it is (was) running.
+	NodeUnreachablePodReason = "NodeLost"
+	// NodeUnreachablePodMessage is the message on a pod when its state cannot be confirmed as kubelet is unresponsive
 	// on the node it is (was) running.
-	NodeUnreachablePodReason  = "NodeLost"
 	NodeUnreachablePodMessage = "Node %v which was running pod %v is unresponsive"
 )
 

pkg/util/strings/strings.go

@@ -22,7 +22,7 @@ import (
 	"unicode"
 )
 
-// SplitQualifiedName Splits a fully qualified name and returns its namespace and name.
+// SplitQualifiedName splits a fully qualified name and returns its namespace and name.
 // Assumes that the input 'str' has been validated.
 func SplitQualifiedName(str string) (string, string) {
 	parts := strings.Split(str, "/")

pkg/util/workqueue/prometheus/prometheus.go

@@ -31,7 +31,7 @@ func init() {
 
 type prometheusMetricsProvider struct{}
 
-func (_ prometheusMetricsProvider) NewDepthMetric(name string) workqueue.GaugeMetric {
+func (prometheusMetricsProvider) NewDepthMetric(name string) workqueue.GaugeMetric {
 	depth := prometheus.NewGauge(prometheus.GaugeOpts{
 		Subsystem: name,
 		Name:      "depth",
@@ -41,7 +41,7 @@ func (_ prometheusMetricsProvider) NewDepthMetric(name string) workqueue.GaugeMe
 	return depth
 }
 
-func (_ prometheusMetricsProvider) NewAddsMetric(name string) workqueue.CounterMetric {
+func (prometheusMetricsProvider) NewAddsMetric(name string) workqueue.CounterMetric {
 	adds := prometheus.NewCounter(prometheus.CounterOpts{
 		Subsystem: name,
 		Name:      "adds",
@@ -51,7 +51,7 @@ func (_ prometheusMetricsProvider) NewAddsMetric(name string) workqueue.CounterM
 	return adds
 }
 
-func (_ prometheusMetricsProvider) NewLatencyMetric(name string) workqueue.SummaryMetric {
+func (prometheusMetricsProvider) NewLatencyMetric(name string) workqueue.SummaryMetric {
 	latency := prometheus.NewSummary(prometheus.SummaryOpts{
 		Subsystem: name,
 		Name:      "queue_latency",
@@ -61,7 +61,7 @@ func (_ prometheusMetricsProvider) NewLatencyMetric(name string) workqueue.Summa
 	return latency
 }
 
-func (_ prometheusMetricsProvider) NewWorkDurationMetric(name string) workqueue.SummaryMetric {
+func (prometheusMetricsProvider) NewWorkDurationMetric(name string) workqueue.SummaryMetric {
 	workDuration := prometheus.NewSummary(prometheus.SummaryOpts{
 		Subsystem: name,
 		Name:      "work_duration",
@@ -71,7 +71,7 @@ func (_ prometheusMetricsProvider) NewWorkDurationMetric(name string) workqueue.
 	return workDuration
 }
 
-func (_ prometheusMetricsProvider) NewRetriesMetric(name string) workqueue.CounterMetric {
+func (prometheusMetricsProvider) NewRetriesMetric(name string) workqueue.CounterMetric {
 	retries := prometheus.NewCounter(prometheus.CounterOpts{
 		Subsystem: name,
 		Name:      "retries",