fix golint failures for metrics api

hack/.golint_failures

@@ -615,12 +615,8 @@ staging/src/k8s.io/kube-proxy/config/v1alpha1
 staging/src/k8s.io/kubelet/config/v1beta1
 staging/src/k8s.io/metrics/pkg/apis/custom_metrics
 staging/src/k8s.io/metrics/pkg/apis/custom_metrics/v1beta1
-staging/src/k8s.io/metrics/pkg/apis/custom_metrics/v1beta2
 staging/src/k8s.io/metrics/pkg/apis/external_metrics
-staging/src/k8s.io/metrics/pkg/apis/external_metrics/v1beta1
 staging/src/k8s.io/metrics/pkg/apis/metrics
-staging/src/k8s.io/metrics/pkg/apis/metrics/v1alpha1
-staging/src/k8s.io/metrics/pkg/apis/metrics/v1beta1
 staging/src/k8s.io/metrics/pkg/client/custom_metrics
 staging/src/k8s.io/metrics/pkg/client/custom_metrics/fake
 staging/src/k8s.io/metrics/pkg/client/custom_metrics/scheme

staging/src/k8s.io/metrics/pkg/apis/custom_metrics/v1beta1/register.go

@@ -34,9 +34,11 @@ func Resource(resource string) schema.GroupResource {
 }
 
 var (
+	// SchemeBuilder points to a list of functions added to Scheme.
 	SchemeBuilder      = runtime.NewSchemeBuilder(addKnownTypes, addConversionFuncs)
 	localSchemeBuilder = &SchemeBuilder
-	AddToScheme        = localSchemeBuilder.AddToScheme
+	// AddToScheme applies all the stored functions to the scheme.
+	AddToScheme = localSchemeBuilder.AddToScheme
 )
 
 func addKnownTypes(scheme *runtime.Scheme) error {

staging/src/k8s.io/metrics/pkg/apis/custom_metrics/v1beta1/types.go

@@ -24,7 +24,7 @@ import (
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
-// a list of values for a given metric for some set of objects
+// MetricValueList is a list of values for a given metric for some set of objects
 type MetricValueList struct {
 	metav1.TypeMeta `json:",inline"`
 	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
@@ -35,7 +35,7 @@ type MetricValueList struct {
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
-// a metric value for some object
+// MetricValue is a metric value for some object
 type MetricValue struct {
 	metav1.TypeMeta `json:",inline"`
 
@@ -81,6 +81,6 @@ type MetricListOptions struct {
 	MetricLabelSelector string `json:"metricLabelSelector,omitempty" protobuf:"bytes,2,opt,name=metricLabelSelector"`
 }
 
-// allObjects is a wildcard used to select metrics
+// AllObjects is a wildcard used to select metrics
 // for all objects matching the given label selector
 const AllObjects = "*"

staging/src/k8s.io/metrics/pkg/apis/custom_metrics/v1beta2/register.go

@@ -34,9 +34,11 @@ func Resource(resource string) schema.GroupResource {
 }
 
 var (
+	// SchemeBuilder points to a list of functions added to Scheme.
 	SchemeBuilder      = runtime.NewSchemeBuilder(addKnownTypes)
 	localSchemeBuilder = &SchemeBuilder
-	AddToScheme        = localSchemeBuilder.AddToScheme
+	// AddToScheme applies all the stored functions to the scheme.
+	AddToScheme = localSchemeBuilder.AddToScheme
 )
 
 func addKnownTypes(scheme *runtime.Scheme) error {

staging/src/k8s.io/metrics/pkg/apis/external_metrics/v1beta1/register.go

@@ -34,9 +34,11 @@ func Resource(resource string) schema.GroupResource {
 }
 
 var (
+	// SchemeBuilder points to a list of functions added to Scheme.
 	SchemeBuilder      = runtime.NewSchemeBuilder(addKnownTypes)
 	localSchemeBuilder = &SchemeBuilder
-	AddToScheme        = localSchemeBuilder.AddToScheme
+	// AddToScheme applies all the stored functions to the scheme.
+	AddToScheme = localSchemeBuilder.AddToScheme
 )
 
 func addKnownTypes(scheme *runtime.Scheme) error {

staging/src/k8s.io/metrics/pkg/apis/external_metrics/v1beta1/types.go

@@ -23,7 +23,7 @@ import (
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
-// a list of values for a given metric for some set labels
+// ExternalMetricValueList is a list of values for a given metric for some set labels
 type ExternalMetricValueList struct {
 	metav1.TypeMeta `json:",inline"`
 	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
@@ -34,7 +34,7 @@ type ExternalMetricValueList struct {
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
-// a metric value for external metric
+// ExternalMetricValue is a metric value for external metric
 // A single metric value is identified by metric name and a set of string labels.
 // For one metric there can be multiple values with different sets of labels.
 type ExternalMetricValue struct {

staging/src/k8s.io/metrics/pkg/apis/metrics/v1alpha1/register.go

@@ -34,9 +34,11 @@ func Resource(resource string) schema.GroupResource {
 }
 
 var (
+	// SchemeBuilder points to a list of functions added to Scheme.
 	SchemeBuilder      = runtime.NewSchemeBuilder(addKnownTypes)
 	localSchemeBuilder = &SchemeBuilder
-	AddToScheme        = SchemeBuilder.AddToScheme
+	// AddToScheme applies all the stored functions to the scheme.
+	AddToScheme = SchemeBuilder.AddToScheme
 )
 
 func addKnownTypes(scheme *runtime.Scheme) error {

staging/src/k8s.io/metrics/pkg/apis/metrics/v1alpha1/types.go

@@ -27,7 +27,7 @@ import (
 // +genclient:nonNamespaced
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
-// resource usage metrics of a node.
+// NodeMetrics sets resource usage metrics of a node.
 type NodeMetrics struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
@@ -59,7 +59,7 @@ type NodeMetricsList struct {
 // +genclient:readonly
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
-// resource usage metrics of a pod.
+// PodMetrics sets resource usage metrics of a pod.
 type PodMetrics struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
@@ -86,7 +86,7 @@ type PodMetricsList struct {
 	Items []PodMetrics `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
 
-// resource usage metrics of a container.
+// ContainerMetrics sets resource usage metrics of a container.
 type ContainerMetrics struct {
 	// Container name corresponding to the one from pod.spec.containers.
 	Name string `json:"name" protobuf:"bytes,1,opt,name=name"`

staging/src/k8s.io/metrics/pkg/apis/metrics/v1beta1/register.go

@@ -34,9 +34,11 @@ func Resource(resource string) schema.GroupResource {
 }
 
 var (
+	// SchemeBuilder points to a list of functions added to Scheme.
 	SchemeBuilder      = runtime.NewSchemeBuilder(addKnownTypes)
 	localSchemeBuilder = &SchemeBuilder
-	AddToScheme        = SchemeBuilder.AddToScheme
+	// AddToScheme applies all the stored functions to the scheme.
+	AddToScheme = SchemeBuilder.AddToScheme
 )
 
 func addKnownTypes(scheme *runtime.Scheme) error {

staging/src/k8s.io/metrics/pkg/apis/metrics/v1beta1/types.go

@@ -27,7 +27,7 @@ import (
 // +genclient:nonNamespaced
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
-// resource usage metrics of a node.
+// NodeMetrics sets resource usage metrics of a node.
 type NodeMetrics struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
@@ -59,7 +59,7 @@ type NodeMetricsList struct {
 // +genclient:readonly
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
-// resource usage metrics of a pod.
+// PodMetrics sets resource usage metrics of a pod.
 type PodMetrics struct {
 	metav1.TypeMeta   `json:",inline"`
 	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
@@ -86,7 +86,7 @@ type PodMetricsList struct {
 	Items []PodMetrics `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
 
-// resource usage metrics of a container.
+// ContainerMetrics sets resource usage metrics of a container.
 type ContainerMetrics struct {
 	// Container name corresponding to the one from pod.spec.containers.
 	Name string `json:"name" protobuf:"bytes,1,opt,name=name"`