rebase: update controller-runtime package to v0.9.2

This commit updates controller-runtime to v0.9.2 and
makes changes in persistentvolume.go to add context to
various functions and function calls made here instead of
context.TODO().

Signed-off-by: Rakshith R <rar@redhat.com>

vendor/k8s.io/client-go/metadata/interface.go

@@ -0,0 +1,49 @@
+/*
+Copyright 2016 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 metadata
+
+import (
+	"context"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/watch"
+)
+
+// Interface allows a caller to get the metadata (in the form of PartialObjectMetadata objects)
+// from any Kubernetes compatible resource API.
+type Interface interface {
+	Resource(resource schema.GroupVersionResource) Getter
+}
+
+// ResourceInterface contains the set of methods that may be invoked on objects by their metadata.
+// Update is not supported by the server, but Patch can be used for the actions Update would handle.
+type ResourceInterface interface {
+	Delete(ctx context.Context, name string, options metav1.DeleteOptions, subresources ...string) error
+	DeleteCollection(ctx context.Context, options metav1.DeleteOptions, listOptions metav1.ListOptions) error
+	Get(ctx context.Context, name string, options metav1.GetOptions, subresources ...string) (*metav1.PartialObjectMetadata, error)
+	List(ctx context.Context, opts metav1.ListOptions) (*metav1.PartialObjectMetadataList, error)
+	Watch(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error)
+	Patch(ctx context.Context, name string, pt types.PatchType, data []byte, options metav1.PatchOptions, subresources ...string) (*metav1.PartialObjectMetadata, error)
+}
+
+// Getter handles both namespaced and non-namespaced resource types consistently.
+type Getter interface {
+	Namespace(string) ResourceInterface
+	ResourceInterface
+}

vendor/k8s.io/client-go/metadata/metadata.go

@@ -0,0 +1,307 @@
+/*
+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 metadata
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"time"
+
+	"k8s.io/klog/v2"
+
+	metainternalversionscheme "k8s.io/apimachinery/pkg/apis/meta/internalversion/scheme"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/runtime/serializer"
+	"k8s.io/apimachinery/pkg/types"
+	"k8s.io/apimachinery/pkg/watch"
+	"k8s.io/client-go/rest"
+)
+
+var deleteScheme = runtime.NewScheme()
+var parameterScheme = runtime.NewScheme()
+var deleteOptionsCodec = serializer.NewCodecFactory(deleteScheme)
+var dynamicParameterCodec = runtime.NewParameterCodec(parameterScheme)
+
+var versionV1 = schema.GroupVersion{Version: "v1"}
+
+func init() {
+	metav1.AddToGroupVersion(parameterScheme, versionV1)
+	metav1.AddToGroupVersion(deleteScheme, versionV1)
+}
+
+// Client allows callers to retrieve the object metadata for any
+// Kubernetes-compatible API endpoint. The client uses the
+// meta.k8s.io/v1 PartialObjectMetadata resource to more efficiently
+// retrieve just the necessary metadata, but on older servers
+// (Kubernetes 1.14 and before) will retrieve the object and then
+// convert the metadata.
+type Client struct {
+	client *rest.RESTClient
+}
+
+var _ Interface = &Client{}
+
+// ConfigFor returns a copy of the provided config with the
+// appropriate metadata client defaults set.
+func ConfigFor(inConfig *rest.Config) *rest.Config {
+	config := rest.CopyConfig(inConfig)
+	config.AcceptContentTypes = "application/vnd.kubernetes.protobuf,application/json"
+	config.ContentType = "application/vnd.kubernetes.protobuf"
+	config.NegotiatedSerializer = metainternalversionscheme.Codecs.WithoutConversion()
+	if config.UserAgent == "" {
+		config.UserAgent = rest.DefaultKubernetesUserAgent()
+	}
+	return config
+}
+
+// NewForConfigOrDie creates a new metadata client for the given config and
+// panics if there is an error in the config.
+func NewForConfigOrDie(c *rest.Config) Interface {
+	ret, err := NewForConfig(c)
+	if err != nil {
+		panic(err)
+	}
+	return ret
+}
+
+// NewForConfig creates a new metadata client that can retrieve object
+// metadata details about any Kubernetes object (core, aggregated, or custom
+// resource based) in the form of PartialObjectMetadata objects, or returns
+// an error.
+func NewForConfig(inConfig *rest.Config) (Interface, error) {
+	config := ConfigFor(inConfig)
+	// for serializing the options
+	config.GroupVersion = &schema.GroupVersion{}
+	config.APIPath = "/this-value-should-never-be-sent"
+
+	restClient, err := rest.RESTClientFor(config)
+	if err != nil {
+		return nil, err
+	}
+
+	return &Client{client: restClient}, nil
+}
+
+type client struct {
+	client    *Client
+	namespace string
+	resource  schema.GroupVersionResource
+}
+
+// Resource returns an interface that can access cluster or namespace
+// scoped instances of resource.
+func (c *Client) Resource(resource schema.GroupVersionResource) Getter {
+	return &client{client: c, resource: resource}
+}
+
+// Namespace returns an interface that can access namespace-scoped instances of the
+// provided resource.
+func (c *client) Namespace(ns string) ResourceInterface {
+	ret := *c
+	ret.namespace = ns
+	return &ret
+}
+
+// Delete removes the provided resource from the server.
+func (c *client) Delete(ctx context.Context, name string, opts metav1.DeleteOptions, subresources ...string) error {
+	if len(name) == 0 {
+		return fmt.Errorf("name is required")
+	}
+	deleteOptionsByte, err := runtime.Encode(deleteOptionsCodec.LegacyCodec(schema.GroupVersion{Version: "v1"}), &opts)
+	if err != nil {
+		return err
+	}
+
+	result := c.client.client.
+		Delete().
+		AbsPath(append(c.makeURLSegments(name), subresources...)...).
+		Body(deleteOptionsByte).
+		Do(ctx)
+	return result.Error()
+}
+
+// DeleteCollection triggers deletion of all resources in the specified scope (namespace or cluster).
+func (c *client) DeleteCollection(ctx context.Context, opts metav1.DeleteOptions, listOptions metav1.ListOptions) error {
+	deleteOptionsByte, err := runtime.Encode(deleteOptionsCodec.LegacyCodec(schema.GroupVersion{Version: "v1"}), &opts)
+	if err != nil {
+		return err
+	}
+
+	result := c.client.client.
+		Delete().
+		AbsPath(c.makeURLSegments("")...).
+		Body(deleteOptionsByte).
+		SpecificallyVersionedParams(&listOptions, dynamicParameterCodec, versionV1).
+		Do(ctx)
+	return result.Error()
+}
+
+// Get returns the resource with name from the specified scope (namespace or cluster).
+func (c *client) Get(ctx context.Context, name string, opts metav1.GetOptions, subresources ...string) (*metav1.PartialObjectMetadata, error) {
+	if len(name) == 0 {
+		return nil, fmt.Errorf("name is required")
+	}
+	result := c.client.client.Get().AbsPath(append(c.makeURLSegments(name), subresources...)...).
+		SetHeader("Accept", "application/vnd.kubernetes.protobuf;as=PartialObjectMetadata;g=meta.k8s.io;v=v1,application/json;as=PartialObjectMetadata;g=meta.k8s.io;v=v1,application/json").
+		SpecificallyVersionedParams(&opts, dynamicParameterCodec, versionV1).
+		Do(ctx)
+	if err := result.Error(); err != nil {
+		return nil, err
+	}
+	obj, err := result.Get()
+	if runtime.IsNotRegisteredError(err) {
+		klog.V(5).Infof("Unable to retrieve PartialObjectMetadata: %#v", err)
+		rawBytes, err := result.Raw()
+		if err != nil {
+			return nil, err
+		}
+		var partial metav1.PartialObjectMetadata
+		if err := json.Unmarshal(rawBytes, &partial); err != nil {
+			return nil, fmt.Errorf("unable to decode returned object as PartialObjectMetadata: %v", err)
+		}
+		if !isLikelyObjectMetadata(&partial) {
+			return nil, fmt.Errorf("object does not appear to match the ObjectMeta schema: %#v", partial)
+		}
+		partial.TypeMeta = metav1.TypeMeta{}
+		return &partial, nil
+	}
+	if err != nil {
+		return nil, err
+	}
+	partial, ok := obj.(*metav1.PartialObjectMetadata)
+	if !ok {
+		return nil, fmt.Errorf("unexpected object, expected PartialObjectMetadata but got %T", obj)
+	}
+	return partial, nil
+}
+
+// List returns all resources within the specified scope (namespace or cluster).
+func (c *client) List(ctx context.Context, opts metav1.ListOptions) (*metav1.PartialObjectMetadataList, error) {
+	result := c.client.client.Get().AbsPath(c.makeURLSegments("")...).
+		SetHeader("Accept", "application/vnd.kubernetes.protobuf;as=PartialObjectMetadataList;g=meta.k8s.io;v=v1,application/json;as=PartialObjectMetadataList;g=meta.k8s.io;v=v1,application/json").
+		SpecificallyVersionedParams(&opts, dynamicParameterCodec, versionV1).
+		Do(ctx)
+	if err := result.Error(); err != nil {
+		return nil, err
+	}
+	obj, err := result.Get()
+	if runtime.IsNotRegisteredError(err) {
+		klog.V(5).Infof("Unable to retrieve PartialObjectMetadataList: %#v", err)
+		rawBytes, err := result.Raw()
+		if err != nil {
+			return nil, err
+		}
+		var partial metav1.PartialObjectMetadataList
+		if err := json.Unmarshal(rawBytes, &partial); err != nil {
+			return nil, fmt.Errorf("unable to decode returned object as PartialObjectMetadataList: %v", err)
+		}
+		partial.TypeMeta = metav1.TypeMeta{}
+		return &partial, nil
+	}
+	if err != nil {
+		return nil, err
+	}
+	partial, ok := obj.(*metav1.PartialObjectMetadataList)
+	if !ok {
+		return nil, fmt.Errorf("unexpected object, expected PartialObjectMetadata but got %T", obj)
+	}
+	return partial, nil
+}
+
+// Watch finds all changes to the resources in the specified scope (namespace or cluster).
+func (c *client) Watch(ctx context.Context, opts metav1.ListOptions) (watch.Interface, error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	opts.Watch = true
+	return c.client.client.Get().
+		AbsPath(c.makeURLSegments("")...).
+		SetHeader("Accept", "application/vnd.kubernetes.protobuf;as=PartialObjectMetadata;g=meta.k8s.io;v=v1,application/json;as=PartialObjectMetadata;g=meta.k8s.io;v=v1,application/json").
+		SpecificallyVersionedParams(&opts, dynamicParameterCodec, versionV1).
+		Timeout(timeout).
+		Watch(ctx)
+}
+
+// Patch modifies the named resource in the specified scope (namespace or cluster).
+func (c *client) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts metav1.PatchOptions, subresources ...string) (*metav1.PartialObjectMetadata, error) {
+	if len(name) == 0 {
+		return nil, fmt.Errorf("name is required")
+	}
+	result := c.client.client.
+		Patch(pt).
+		AbsPath(append(c.makeURLSegments(name), subresources...)...).
+		Body(data).
+		SetHeader("Accept", "application/vnd.kubernetes.protobuf;as=PartialObjectMetadata;g=meta.k8s.io;v=v1,application/json;as=PartialObjectMetadata;g=meta.k8s.io;v=v1,application/json").
+		SpecificallyVersionedParams(&opts, dynamicParameterCodec, versionV1).
+		Do(ctx)
+	if err := result.Error(); err != nil {
+		return nil, err
+	}
+	obj, err := result.Get()
+	if runtime.IsNotRegisteredError(err) {
+		rawBytes, err := result.Raw()
+		if err != nil {
+			return nil, err
+		}
+		var partial metav1.PartialObjectMetadata
+		if err := json.Unmarshal(rawBytes, &partial); err != nil {
+			return nil, fmt.Errorf("unable to decode returned object as PartialObjectMetadata: %v", err)
+		}
+		if !isLikelyObjectMetadata(&partial) {
+			return nil, fmt.Errorf("object does not appear to match the ObjectMeta schema")
+		}
+		partial.TypeMeta = metav1.TypeMeta{}
+		return &partial, nil
+	}
+	if err != nil {
+		return nil, err
+	}
+	partial, ok := obj.(*metav1.PartialObjectMetadata)
+	if !ok {
+		return nil, fmt.Errorf("unexpected object, expected PartialObjectMetadata but got %T", obj)
+	}
+	return partial, nil
+}
+
+func (c *client) makeURLSegments(name string) []string {
+	url := []string{}
+	if len(c.resource.Group) == 0 {
+		url = append(url, "api")
+	} else {
+		url = append(url, "apis", c.resource.Group)
+	}
+	url = append(url, c.resource.Version)
+
+	if len(c.namespace) > 0 {
+		url = append(url, "namespaces", c.namespace)
+	}
+	url = append(url, c.resource.Resource)
+
+	if len(name) > 0 {
+		url = append(url, name)
+	}
+
+	return url
+}
+
+func isLikelyObjectMetadata(meta *metav1.PartialObjectMetadata) bool {
+	return len(meta.UID) > 0 || !meta.CreationTimestamp.IsZero() || len(meta.Name) > 0 || len(meta.GenerateName) > 0
+}

vendor/k8s.io/component-base/config/v1alpha1/conversion.go

@@ -0,0 +1,61 @@
+/*
+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 v1alpha1
+
+import (
+	"k8s.io/apimachinery/pkg/conversion"
+	"k8s.io/component-base/config"
+)
+
+// Important! The public back-and-forth conversion functions for the types in this generic
+// package with ComponentConfig types need to be manually exposed like this in order for
+// other packages that reference this package to be able to call these conversion functions
+// in an autogenerated manner.
+// TODO: Fix the bug in conversion-gen so it automatically discovers these Convert_* functions
+// in autogenerated code as well.
+
+func Convert_v1alpha1_ClientConnectionConfiguration_To_config_ClientConnectionConfiguration(in *ClientConnectionConfiguration, out *config.ClientConnectionConfiguration, s conversion.Scope) error {
+	return autoConvert_v1alpha1_ClientConnectionConfiguration_To_config_ClientConnectionConfiguration(in, out, s)
+}
+
+func Convert_config_ClientConnectionConfiguration_To_v1alpha1_ClientConnectionConfiguration(in *config.ClientConnectionConfiguration, out *ClientConnectionConfiguration, s conversion.Scope) error {
+	return autoConvert_config_ClientConnectionConfiguration_To_v1alpha1_ClientConnectionConfiguration(in, out, s)
+}
+
+func Convert_v1alpha1_DebuggingConfiguration_To_config_DebuggingConfiguration(in *DebuggingConfiguration, out *config.DebuggingConfiguration, s conversion.Scope) error {
+	return autoConvert_v1alpha1_DebuggingConfiguration_To_config_DebuggingConfiguration(in, out, s)
+}
+
+func Convert_config_DebuggingConfiguration_To_v1alpha1_DebuggingConfiguration(in *config.DebuggingConfiguration, out *DebuggingConfiguration, s conversion.Scope) error {
+	return autoConvert_config_DebuggingConfiguration_To_v1alpha1_DebuggingConfiguration(in, out, s)
+}
+
+func Convert_v1alpha1_LeaderElectionConfiguration_To_config_LeaderElectionConfiguration(in *LeaderElectionConfiguration, out *config.LeaderElectionConfiguration, s conversion.Scope) error {
+	return autoConvert_v1alpha1_LeaderElectionConfiguration_To_config_LeaderElectionConfiguration(in, out, s)
+}
+
+func Convert_config_LeaderElectionConfiguration_To_v1alpha1_LeaderElectionConfiguration(in *config.LeaderElectionConfiguration, out *LeaderElectionConfiguration, s conversion.Scope) error {
+	return autoConvert_config_LeaderElectionConfiguration_To_v1alpha1_LeaderElectionConfiguration(in, out, s)
+}
+
+func Convert_v1alpha1_LoggingConfiguration_To_config_LoggingConfiguration(in *LoggingConfiguration, out *config.LoggingConfiguration, s conversion.Scope) error {
+	return autoConvert_v1alpha1_LoggingConfiguration_To_config_LoggingConfiguration(in, out, s)
+}
+
+func Convert_config_LoggingConfiguration_To_v1alpha1_LoggingConfiguration(in *config.LoggingConfiguration, out *LoggingConfiguration, s conversion.Scope) error {
+	return autoConvert_config_LoggingConfiguration_To_v1alpha1_LoggingConfiguration(in, out, s)
+}

vendor/k8s.io/component-base/config/v1alpha1/defaults.go

@@ -0,0 +1,113 @@
+/*
+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 v1alpha1
+
+import (
+	"time"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	utilpointer "k8s.io/utils/pointer"
+)
+
+// RecommendedDefaultLeaderElectionConfiguration defaults a pointer to a
+// LeaderElectionConfiguration struct. This will set the recommended default
+// values, but they may be subject to change between API versions. This function
+// is intentionally not registered in the scheme as a "normal" `SetDefaults_Foo`
+// function to allow consumers of this type to set whatever defaults for their
+// embedded configs. Forcing consumers to use these defaults would be problematic
+// as defaulting in the scheme is done as part of the conversion, and there would
+// be no easy way to opt-out. Instead, if you want to use this defaulting method
+// run it in your wrapper struct of this type in its `SetDefaults_` method.
+func RecommendedDefaultLeaderElectionConfiguration(obj *LeaderElectionConfiguration) {
+	zero := metav1.Duration{}
+	if obj.LeaseDuration == zero {
+		obj.LeaseDuration = metav1.Duration{Duration: 15 * time.Second}
+	}
+	if obj.RenewDeadline == zero {
+		obj.RenewDeadline = metav1.Duration{Duration: 10 * time.Second}
+	}
+	if obj.RetryPeriod == zero {
+		obj.RetryPeriod = metav1.Duration{Duration: 2 * time.Second}
+	}
+	if obj.ResourceLock == "" {
+		// TODO(#80289): Figure out how to migrate to LeaseLock at this point.
+		//   This will most probably require going through EndpointsLease first.
+		obj.ResourceLock = EndpointsResourceLock
+	}
+	if obj.LeaderElect == nil {
+		obj.LeaderElect = utilpointer.BoolPtr(true)
+	}
+}
+
+// RecommendedDefaultClientConnectionConfiguration defaults a pointer to a
+// ClientConnectionConfiguration struct. This will set the recommended default
+// values, but they may be subject to change between API versions. This function
+// is intentionally not registered in the scheme as a "normal" `SetDefaults_Foo`
+// function to allow consumers of this type to set whatever defaults for their
+// embedded configs. Forcing consumers to use these defaults would be problematic
+// as defaulting in the scheme is done as part of the conversion, and there would
+// be no easy way to opt-out. Instead, if you want to use this defaulting method
+// run it in your wrapper struct of this type in its `SetDefaults_` method.
+func RecommendedDefaultClientConnectionConfiguration(obj *ClientConnectionConfiguration) {
+	if len(obj.ContentType) == 0 {
+		obj.ContentType = "application/vnd.kubernetes.protobuf"
+	}
+	if obj.QPS == 0.0 {
+		obj.QPS = 50.0
+	}
+	if obj.Burst == 0 {
+		obj.Burst = 100
+	}
+}
+
+// RecommendedDebuggingConfiguration defaults profiling and debugging configuration.
+// This will set the recommended default
+// values, but they may be subject to change between API versions. This function
+// is intentionally not registered in the scheme as a "normal" `SetDefaults_Foo`
+// function to allow consumers of this type to set whatever defaults for their
+// embedded configs. Forcing consumers to use these defaults would be problematic
+// as defaulting in the scheme is done as part of the conversion, and there would
+// be no easy way to opt-out. Instead, if you want to use this defaulting method
+// run it in your wrapper struct of this type in its `SetDefaults_` method.
+func RecommendedDebuggingConfiguration(obj *DebuggingConfiguration) {
+	if obj.EnableProfiling == nil {
+		obj.EnableProfiling = utilpointer.BoolPtr(true) // profile debugging is cheap to have exposed and standard on kube binaries
+	}
+}
+
+// NewRecommendedDebuggingConfiguration returns the current recommended DebuggingConfiguration.
+// This may change between releases as recommendations shift.
+func NewRecommendedDebuggingConfiguration() *DebuggingConfiguration {
+	ret := &DebuggingConfiguration{}
+	RecommendedDebuggingConfiguration(ret)
+	return ret
+}
+
+// RecommendedLoggingConfiguration defaults logging configuration.
+// This will set the recommended default
+// values, but they may be subject to change between API versions. This function
+// is intentionally not registered in the scheme as a "normal" `SetDefaults_Foo`
+// function to allow consumers of this type to set whatever defaults for their
+// embedded configs. Forcing consumers to use these defaults would be problematic
+// as defaulting in the scheme is done as part of the conversion, and there would
+// be no easy way to opt-out. Instead, if you want to use this defaulting method
+// run it in your wrapper struct of this type in its `SetDefaults_` method.
+func RecommendedLoggingConfiguration(obj *LoggingConfiguration) {
+	if obj.Format == "" {
+		obj.Format = "text"
+	}
+}

vendor/k8s.io/component-base/config/v1alpha1/doc.go

@@ -0,0 +1,20 @@
+/*
+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.
+*/
+
+// +k8s:deepcopy-gen=package
+// +k8s:conversion-gen=k8s.io/component-base/config
+
+package v1alpha1 // import "k8s.io/component-base/config/v1alpha1"

vendor/k8s.io/component-base/config/v1alpha1/register.go

@@ -0,0 +1,31 @@
+/*
+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 v1alpha1
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+)
+
+var (
+	// SchemeBuilder is the scheme builder with scheme init functions to run for this API package
+	SchemeBuilder runtime.SchemeBuilder
+	// localSchemeBuilder extends the SchemeBuilder instance with the external types. In this package,
+	// defaulting and conversion init funcs are registered as well.
+	localSchemeBuilder = &SchemeBuilder
+	// AddToScheme is a global function that registers this API group & version to a scheme
+	AddToScheme = localSchemeBuilder.AddToScheme
+)

vendor/k8s.io/component-base/config/v1alpha1/types.go

@@ -0,0 +1,93 @@
+/*
+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 v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+const EndpointsResourceLock = "endpoints"
+
+// LeaderElectionConfiguration defines the configuration of leader election
+// clients for components that can run with leader election enabled.
+type LeaderElectionConfiguration struct {
+	// leaderElect enables a leader election client to gain leadership
+	// before executing the main loop. Enable this when running replicated
+	// components for high availability.
+	LeaderElect *bool `json:"leaderElect"`
+	// leaseDuration is the duration that non-leader candidates will wait
+	// after observing a leadership renewal until attempting to acquire
+	// leadership of a led but unrenewed leader slot. This is effectively the
+	// maximum duration that a leader can be stopped before it is replaced
+	// by another candidate. This is only applicable if leader election is
+	// enabled.
+	LeaseDuration metav1.Duration `json:"leaseDuration"`
+	// renewDeadline is the interval between attempts by the acting master to
+	// renew a leadership slot before it stops leading. This must be less
+	// than or equal to the lease duration. This is only applicable if leader
+	// election is enabled.
+	RenewDeadline metav1.Duration `json:"renewDeadline"`
+	// retryPeriod is the duration the clients should wait between attempting
+	// acquisition and renewal of a leadership. This is only applicable if
+	// leader election is enabled.
+	RetryPeriod metav1.Duration `json:"retryPeriod"`
+	// resourceLock indicates the resource object type that will be used to lock
+	// during leader election cycles.
+	ResourceLock string `json:"resourceLock"`
+	// resourceName indicates the name of resource object that will be used to lock
+	// during leader election cycles.
+	ResourceName string `json:"resourceName"`
+	// resourceName indicates the namespace of resource object that will be used to lock
+	// during leader election cycles.
+	ResourceNamespace string `json:"resourceNamespace"`
+}
+
+// DebuggingConfiguration holds configuration for Debugging related features.
+type DebuggingConfiguration struct {
+	// enableProfiling enables profiling via web interface host:port/debug/pprof/
+	EnableProfiling *bool `json:"enableProfiling,omitempty"`
+	// enableContentionProfiling enables lock contention profiling, if
+	// enableProfiling is true.
+	EnableContentionProfiling *bool `json:"enableContentionProfiling,omitempty"`
+}
+
+// ClientConnectionConfiguration contains details for constructing a client.
+type ClientConnectionConfiguration struct {
+	// kubeconfig is the path to a KubeConfig file.
+	Kubeconfig string `json:"kubeconfig"`
+	// acceptContentTypes defines the Accept header sent by clients when connecting to a server, overriding the
+	// default value of 'application/json'. This field will control all connections to the server used by a particular
+	// client.
+	AcceptContentTypes string `json:"acceptContentTypes"`
+	// contentType is the content type used when sending data to the server from this client.
+	ContentType string `json:"contentType"`
+	// qps controls the number of queries per second allowed for this connection.
+	QPS float32 `json:"qps"`
+	// burst allows extra queries to accumulate when a client is exceeding its rate.
+	Burst int32 `json:"burst"`
+}
+
+// LoggingConfiguration contains logging options
+// Refer [Logs Options](https://github.com/kubernetes/component-base/blob/master/logs/options.go) for more information.
+type LoggingConfiguration struct {
+	// Format Flag specifies the structure of log messages.
+	// default value of format is `text`
+	Format string `json:"format,omitempty"`
+	// [Experimental] When enabled prevents logging of fields tagged as sensitive (passwords, keys, tokens).
+	// Runtime log sanitization may introduce significant computation overhead and therefore should not be enabled in production.`)
+	Sanitization bool `json:"sanitization,omitempty"`
+}

vendor/k8s.io/component-base/config/v1alpha1/zz_generated.conversion.go

@@ -0,0 +1,154 @@
+// +build !ignore_autogenerated
+
+/*
+Copyright 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.
+*/
+
+// Code generated by conversion-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	conversion "k8s.io/apimachinery/pkg/conversion"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	config "k8s.io/component-base/config"
+)
+
+func init() {
+	localSchemeBuilder.Register(RegisterConversions)
+}
+
+// RegisterConversions adds conversion functions to the given scheme.
+// Public to allow building arbitrary schemes.
+func RegisterConversions(s *runtime.Scheme) error {
+	if err := s.AddConversionFunc((*config.ClientConnectionConfiguration)(nil), (*ClientConnectionConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_config_ClientConnectionConfiguration_To_v1alpha1_ClientConnectionConfiguration(a.(*config.ClientConnectionConfiguration), b.(*ClientConnectionConfiguration), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*config.DebuggingConfiguration)(nil), (*DebuggingConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_config_DebuggingConfiguration_To_v1alpha1_DebuggingConfiguration(a.(*config.DebuggingConfiguration), b.(*DebuggingConfiguration), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*config.LeaderElectionConfiguration)(nil), (*LeaderElectionConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_config_LeaderElectionConfiguration_To_v1alpha1_LeaderElectionConfiguration(a.(*config.LeaderElectionConfiguration), b.(*LeaderElectionConfiguration), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*config.LoggingConfiguration)(nil), (*LoggingConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_config_LoggingConfiguration_To_v1alpha1_LoggingConfiguration(a.(*config.LoggingConfiguration), b.(*LoggingConfiguration), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*ClientConnectionConfiguration)(nil), (*config.ClientConnectionConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1alpha1_ClientConnectionConfiguration_To_config_ClientConnectionConfiguration(a.(*ClientConnectionConfiguration), b.(*config.ClientConnectionConfiguration), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*DebuggingConfiguration)(nil), (*config.DebuggingConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1alpha1_DebuggingConfiguration_To_config_DebuggingConfiguration(a.(*DebuggingConfiguration), b.(*config.DebuggingConfiguration), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*LeaderElectionConfiguration)(nil), (*config.LeaderElectionConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1alpha1_LeaderElectionConfiguration_To_config_LeaderElectionConfiguration(a.(*LeaderElectionConfiguration), b.(*config.LeaderElectionConfiguration), scope)
+	}); err != nil {
+		return err
+	}
+	if err := s.AddConversionFunc((*LoggingConfiguration)(nil), (*config.LoggingConfiguration)(nil), func(a, b interface{}, scope conversion.Scope) error {
+		return Convert_v1alpha1_LoggingConfiguration_To_config_LoggingConfiguration(a.(*LoggingConfiguration), b.(*config.LoggingConfiguration), scope)
+	}); err != nil {
+		return err
+	}
+	return nil
+}
+
+func autoConvert_v1alpha1_ClientConnectionConfiguration_To_config_ClientConnectionConfiguration(in *ClientConnectionConfiguration, out *config.ClientConnectionConfiguration, s conversion.Scope) error {
+	out.Kubeconfig = in.Kubeconfig
+	out.AcceptContentTypes = in.AcceptContentTypes
+	out.ContentType = in.ContentType
+	out.QPS = in.QPS
+	out.Burst = in.Burst
+	return nil
+}
+
+func autoConvert_config_ClientConnectionConfiguration_To_v1alpha1_ClientConnectionConfiguration(in *config.ClientConnectionConfiguration, out *ClientConnectionConfiguration, s conversion.Scope) error {
+	out.Kubeconfig = in.Kubeconfig
+	out.AcceptContentTypes = in.AcceptContentTypes
+	out.ContentType = in.ContentType
+	out.QPS = in.QPS
+	out.Burst = in.Burst
+	return nil
+}
+
+func autoConvert_v1alpha1_DebuggingConfiguration_To_config_DebuggingConfiguration(in *DebuggingConfiguration, out *config.DebuggingConfiguration, s conversion.Scope) error {
+	if err := v1.Convert_Pointer_bool_To_bool(&in.EnableProfiling, &out.EnableProfiling, s); err != nil {
+		return err
+	}
+	if err := v1.Convert_Pointer_bool_To_bool(&in.EnableContentionProfiling, &out.EnableContentionProfiling, s); err != nil {
+		return err
+	}
+	return nil
+}
+
+func autoConvert_config_DebuggingConfiguration_To_v1alpha1_DebuggingConfiguration(in *config.DebuggingConfiguration, out *DebuggingConfiguration, s conversion.Scope) error {
+	if err := v1.Convert_bool_To_Pointer_bool(&in.EnableProfiling, &out.EnableProfiling, s); err != nil {
+		return err
+	}
+	if err := v1.Convert_bool_To_Pointer_bool(&in.EnableContentionProfiling, &out.EnableContentionProfiling, s); err != nil {
+		return err
+	}
+	return nil
+}
+
+func autoConvert_v1alpha1_LeaderElectionConfiguration_To_config_LeaderElectionConfiguration(in *LeaderElectionConfiguration, out *config.LeaderElectionConfiguration, s conversion.Scope) error {
+	if err := v1.Convert_Pointer_bool_To_bool(&in.LeaderElect, &out.LeaderElect, s); err != nil {
+		return err
+	}
+	out.LeaseDuration = in.LeaseDuration
+	out.RenewDeadline = in.RenewDeadline
+	out.RetryPeriod = in.RetryPeriod
+	out.ResourceLock = in.ResourceLock
+	out.ResourceName = in.ResourceName
+	out.ResourceNamespace = in.ResourceNamespace
+	return nil
+}
+
+func autoConvert_config_LeaderElectionConfiguration_To_v1alpha1_LeaderElectionConfiguration(in *config.LeaderElectionConfiguration, out *LeaderElectionConfiguration, s conversion.Scope) error {
+	if err := v1.Convert_bool_To_Pointer_bool(&in.LeaderElect, &out.LeaderElect, s); err != nil {
+		return err
+	}
+	out.LeaseDuration = in.LeaseDuration
+	out.RenewDeadline = in.RenewDeadline
+	out.RetryPeriod = in.RetryPeriod
+	out.ResourceLock = in.ResourceLock
+	out.ResourceName = in.ResourceName
+	out.ResourceNamespace = in.ResourceNamespace
+	return nil
+}
+
+func autoConvert_v1alpha1_LoggingConfiguration_To_config_LoggingConfiguration(in *LoggingConfiguration, out *config.LoggingConfiguration, s conversion.Scope) error {
+	out.Format = in.Format
+	out.Sanitization = in.Sanitization
+	return nil
+}
+
+func autoConvert_config_LoggingConfiguration_To_v1alpha1_LoggingConfiguration(in *config.LoggingConfiguration, out *LoggingConfiguration, s conversion.Scope) error {
+	out.Format = in.Format
+	out.Sanitization = in.Sanitization
+	return nil
+}

vendor/k8s.io/component-base/config/v1alpha1/zz_generated.deepcopy.go

@@ -0,0 +1,103 @@
+// +build !ignore_autogenerated
+
+/*
+Copyright 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.
+*/
+
+// Code generated by deepcopy-gen. DO NOT EDIT.
+
+package v1alpha1
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *ClientConnectionConfiguration) DeepCopyInto(out *ClientConnectionConfiguration) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ClientConnectionConfiguration.
+func (in *ClientConnectionConfiguration) DeepCopy() *ClientConnectionConfiguration {
+	if in == nil {
+		return nil
+	}
+	out := new(ClientConnectionConfiguration)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *DebuggingConfiguration) DeepCopyInto(out *DebuggingConfiguration) {
+	*out = *in
+	if in.EnableProfiling != nil {
+		in, out := &in.EnableProfiling, &out.EnableProfiling
+		*out = new(bool)
+		**out = **in
+	}
+	if in.EnableContentionProfiling != nil {
+		in, out := &in.EnableContentionProfiling, &out.EnableContentionProfiling
+		*out = new(bool)
+		**out = **in
+	}
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new DebuggingConfiguration.
+func (in *DebuggingConfiguration) DeepCopy() *DebuggingConfiguration {
+	if in == nil {
+		return nil
+	}
+	out := new(DebuggingConfiguration)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *LeaderElectionConfiguration) DeepCopyInto(out *LeaderElectionConfiguration) {
+	*out = *in
+	if in.LeaderElect != nil {
+		in, out := &in.LeaderElect, &out.LeaderElect
+		*out = new(bool)
+		**out = **in
+	}
+	out.LeaseDuration = in.LeaseDuration
+	out.RenewDeadline = in.RenewDeadline
+	out.RetryPeriod = in.RetryPeriod
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new LeaderElectionConfiguration.
+func (in *LeaderElectionConfiguration) DeepCopy() *LeaderElectionConfiguration {
+	if in == nil {
+		return nil
+	}
+	out := new(LeaderElectionConfiguration)
+	in.DeepCopyInto(out)
+	return out
+}
+
+// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
+func (in *LoggingConfiguration) DeepCopyInto(out *LoggingConfiguration) {
+	*out = *in
+	return
+}
+
+// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new LoggingConfiguration.
+func (in *LoggingConfiguration) DeepCopy() *LoggingConfiguration {
+	if in == nil {
+		return nil
+	}
+	out := new(LoggingConfiguration)
+	in.DeepCopyInto(out)
+	return out
+}

vendor/k8s.io/utils/io/read.go

@@ -30,6 +30,9 @@ var ErrLimitReached = errors.New("the read limit is reached")
 // ConsistentRead repeatedly reads a file until it gets the same content twice.
 // This is useful when reading files in /proc that are larger than page size
 // and kernel may modify them between individual read() syscalls.
+// It returns InconsistentReadError when it cannot get a consistent read in
+// given nr. of attempts. Caller should retry, kernel is probably under heavy
+// mount/unmount load.
 func ConsistentRead(filename string, attempts int) ([]byte, error) {
 	return consistentReadSync(filename, attempts, nil)
 }
@@ -56,7 +59,28 @@ func consistentReadSync(filename string, attempts int, sync func(int)) ([]byte,
 		// Files are different, continue reading
 		oldContent = newContent
 	}
-	return nil, fmt.Errorf("could not get consistent content of %s after %d attempts", filename, attempts)
+	return nil, InconsistentReadError{filename, attempts}
+}
+
+// InconsistentReadError is returned from ConsistentRead when it cannot get
+// a consistent read in given nr. of attempts. Caller should retry, kernel is
+// probably under heavy mount/unmount load.
+type InconsistentReadError struct {
+	filename string
+	attempts int
+}
+
+func (i InconsistentReadError) Error() string {
+	return fmt.Sprintf("could not get consistent content of %s after %d attempts", i.filename, i.attempts)
+}
+
+var _ error = InconsistentReadError{}
+
+func IsInconsistentReadError(err error) bool {
+	if _, ok := err.(InconsistentReadError); ok {
+		return true
+	}
+	return false
 }
 
 // ReadAtMost reads up to `limit` bytes from `r`, and reports an error

vendor/k8s.io/utils/mount/README.md

@@ -0,0 +1,11 @@
+# WARNING ! Please read before using mount functionality
+# THIS REPOSITORY is moved : Please use https://github.com/kubernetes/mount-utils for all your work
+
+This package has been moved to new location. Please use the new repo for bug fixes and enhancements.
+All existing dependencies on this repo are being removed. Eventually this repo will be deprecated. 
+If you are using this repo or planning to use, you must use the new repo mentioned here for this functionality.
+
+New repo : https://github.com/kubernetes/mount-utils 
+New go module: k8s.io/mount-utils
+For Kubernetes/Kubernetes project the code is available under staging directory. 
+

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

@@ -46,86 +46,182 @@ func AllPtrFieldsNil(obj interface{}) bool {
 	return true
 }
 
-// Int32Ptr returns a pointer to an int32
-func Int32Ptr(i int32) *int32 {
+// Int32 returns a pointer to an int32.
+func Int32(i int32) *int32 {
 	return &i
 }
 
-// Int32PtrDerefOr dereference the int32 ptr and returns it if not nil,
-// else returns def.
-func Int32PtrDerefOr(ptr *int32, def int32) int32 {
+var Int32Ptr = Int32 // for back-compat
+
+// Int32Deref dereferences the int32 ptr and returns it if not nil, or else
+// returns def.
+func Int32Deref(ptr *int32, def int32) int32 {
 	if ptr != nil {
 		return *ptr
 	}
 	return def
 }
 
-// Int64Ptr returns a pointer to an int64
-func Int64Ptr(i int64) *int64 {
+var Int32PtrDerefOr = Int32Deref // for back-compat
+
+// Int32Equal returns true if both arguments are nil or both arguments
+// dereference to the same value.
+func Int32Equal(a, b *int32) bool {
+	if (a == nil) != (b == nil) {
+		return false
+	}
+	if a == nil {
+		return true
+	}
+	return *a == *b
+}
+
+// Int64 returns a pointer to an int64.
+func Int64(i int64) *int64 {
 	return &i
 }
 
-// Int64PtrDerefOr dereference the int64 ptr and returns it if not nil,
-// else returns def.
-func Int64PtrDerefOr(ptr *int64, def int64) int64 {
+var Int64Ptr = Int64 // for back-compat
+
+// Int64Deref dereferences the int64 ptr and returns it if not nil, or else
+// returns def.
+func Int64Deref(ptr *int64, def int64) int64 {
 	if ptr != nil {
 		return *ptr
 	}
 	return def
 }
 
-// BoolPtr returns a pointer to a bool
-func BoolPtr(b bool) *bool {
+var Int64PtrDerefOr = Int64Deref // for back-compat
+
+// Int64Equal returns true if both arguments are nil or both arguments
+// dereference to the same value.
+func Int64Equal(a, b *int64) bool {
+	if (a == nil) != (b == nil) {
+		return false
+	}
+	if a == nil {
+		return true
+	}
+	return *a == *b
+}
+
+// Bool returns a pointer to a bool.
+func Bool(b bool) *bool {
 	return &b
 }
 
-// BoolPtrDerefOr dereference the bool ptr and returns it if not nil,
-// else returns def.
-func BoolPtrDerefOr(ptr *bool, def bool) bool {
+var BoolPtr = Bool // for back-compat
+
+// BoolDeref dereferences the bool ptr and returns it if not nil, or else
+// returns def.
+func BoolDeref(ptr *bool, def bool) bool {
 	if ptr != nil {
 		return *ptr
 	}
 	return def
 }
 
-// StringPtr returns a pointer to the passed string.
-func StringPtr(s string) *string {
+var BoolPtrDerefOr = BoolDeref // for back-compat
+
+// BoolEqual returns true if both arguments are nil or both arguments
+// dereference to the same value.
+func BoolEqual(a, b *bool) bool {
+	if (a == nil) != (b == nil) {
+		return false
+	}
+	if a == nil {
+		return true
+	}
+	return *a == *b
+}
+
+// String returns a pointer to a string.
+func String(s string) *string {
 	return &s
 }
 
-// StringPtrDerefOr dereference the string ptr and returns it if not nil,
-// else returns def.
-func StringPtrDerefOr(ptr *string, def string) string {
+var StringPtr = String // for back-compat
+
+// StringDeref dereferences the string ptr and returns it if not nil, or else
+// returns def.
+func StringDeref(ptr *string, def string) string {
 	if ptr != nil {
 		return *ptr
 	}
 	return def
 }
 
-// Float32Ptr returns a pointer to the passed float32.
-func Float32Ptr(i float32) *float32 {
+var StringPtrDerefOr = StringDeref // for back-compat
+
+// StringEqual returns true if both arguments are nil or both arguments
+// dereference to the same value.
+func StringEqual(a, b *string) bool {
+	if (a == nil) != (b == nil) {
+		return false
+	}
+	if a == nil {
+		return true
+	}
+	return *a == *b
+}
+
+// Float32 returns a pointer to the a float32.
+func Float32(i float32) *float32 {
 	return &i
 }
 
-// Float32PtrDerefOr dereference the float32 ptr and returns it if not nil,
-// else returns def.
-func Float32PtrDerefOr(ptr *float32, def float32) float32 {
+var Float32Ptr = Float32
+
+// Float32Deref dereferences the float32 ptr and returns it if not nil, or else
+// returns def.
+func Float32Deref(ptr *float32, def float32) float32 {
 	if ptr != nil {
 		return *ptr
 	}
 	return def
 }
 
-// Float64Ptr returns a pointer to the passed float64.
-func Float64Ptr(i float64) *float64 {
+var Float32PtrDerefOr = Float32Deref // for back-compat
+
+// Float32Equal returns true if both arguments are nil or both arguments
+// dereference to the same value.
+func Float32Equal(a, b *float32) bool {
+	if (a == nil) != (b == nil) {
+		return false
+	}
+	if a == nil {
+		return true
+	}
+	return *a == *b
+}
+
+// Float64 returns a pointer to the a float64.
+func Float64(i float64) *float64 {
 	return &i
 }
 
-// Float64PtrDerefOr dereference the float64 ptr and returns it if not nil,
-// else returns def.
-func Float64PtrDerefOr(ptr *float64, def float64) float64 {
+var Float64Ptr = Float64
+
+// Float64Deref dereferences the float64 ptr and returns it if not nil, or else
+// returns def.
+func Float64Deref(ptr *float64, def float64) float64 {
 	if ptr != nil {
 		return *ptr
 	}
 	return def
 }
+
+var Float64PtrDerefOr = Float64Deref // for back-compat
+
+// Float64Equal returns true if both arguments are nil or both arguments
+// dereference to the same value.
+func Float64Equal(a, b *float64) bool {
+	if (a == nil) != (b == nil) {
+		return false
+	}
+	if a == nil {
+		return true
+	}
+	return *a == *b
+}

vendor/k8s.io/utils/trace/trace.go

@@ -56,7 +56,7 @@ func writeTraceItemSummary(b *bytes.Buffer, msg string, totalTime time.Duration,
 		b.WriteString(" ")
 	}
 
-	b.WriteString(fmt.Sprintf("%vms (%v)", durationToMilliseconds(totalTime), startTime.Format("15:04:00.000")))
+	b.WriteString(fmt.Sprintf("%vms (%v)", durationToMilliseconds(totalTime), startTime.Format("15:04:05.000")))
 }
 
 func durationToMilliseconds(timeDuration time.Duration) int64 {