rebase: bump k8s.io/kubernetes from 1.26.2 to 1.27.2

Bumps [k8s.io/kubernetes](https://github.com/kubernetes/kubernetes) from 1.26.2 to 1.27.2.
- [Release notes](https://github.com/kubernetes/kubernetes/releases)
- [Commits](https://github.com/kubernetes/kubernetes/compare/v1.26.2...v1.27.2)

---
updated-dependencies:
- dependency-name: k8s.io/kubernetes
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/k8s.io/component-base/config/options/leaderelectionconfig.go

@@ -0,0 +1,53 @@
+/*
+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 options
+
+import (
+	"github.com/spf13/pflag"
+	"k8s.io/component-base/config"
+)
+
+// BindLeaderElectionFlags binds the LeaderElectionConfiguration struct fields to a flagset
+func BindLeaderElectionFlags(l *config.LeaderElectionConfiguration, fs *pflag.FlagSet) {
+	fs.BoolVar(&l.LeaderElect, "leader-elect", l.LeaderElect, ""+
+		"Start a leader election client and gain leadership before "+
+		"executing the main loop. Enable this when running replicated "+
+		"components for high availability.")
+	fs.DurationVar(&l.LeaseDuration.Duration, "leader-elect-lease-duration", l.LeaseDuration.Duration, ""+
+		"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.")
+	fs.DurationVar(&l.RenewDeadline.Duration, "leader-elect-renew-deadline", l.RenewDeadline.Duration, ""+
+		"The interval between attempts by the acting master to renew a leadership slot "+
+		"before it stops leading. This must be less than the lease duration. "+
+		"This is only applicable if leader election is enabled.")
+	fs.DurationVar(&l.RetryPeriod.Duration, "leader-elect-retry-period", l.RetryPeriod.Duration, ""+
+		"The duration the clients should wait between attempting acquisition and renewal "+
+		"of a leadership. This is only applicable if leader election is enabled.")
+	fs.StringVar(&l.ResourceLock, "leader-elect-resource-lock", l.ResourceLock, ""+
+		"The type of resource object that is used for locking during "+
+		"leader election. Supported options are 'leases', 'endpointsleases' "+
+		"and 'configmapsleases'.")
+	fs.StringVar(&l.ResourceName, "leader-elect-resource-name", l.ResourceName, ""+
+		"The name of resource object that is used for locking during "+
+		"leader election.")
+	fs.StringVar(&l.ResourceNamespace, "leader-elect-resource-namespace", l.ResourceNamespace, ""+
+		"The namespace of resource object that is used for locking during "+
+		"leader election.")
+}

vendor/k8s.io/component-base/logs/OWNERS

@@ -0,0 +1,12 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+approvers:
+  - sig-instrumentation-approvers
+  - serathius
+  - pohly
+reviewers:
+  - sig-instrumentation-reviewers
+  - serathius
+labels:
+  - sig/instrumentation
+  - wg/structured-logging

vendor/k8s.io/component-base/logs/logs.go

@@ -0,0 +1,192 @@
+/*
+Copyright 2014 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 logs contains support for logging options, flags and setup.
+// Commands must explicitly enable command line flags. They no longer
+// get added automatically when importing this package.
+package logs
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"time"
+
+	"github.com/spf13/pflag"
+	logsapi "k8s.io/component-base/logs/api/v1"
+	"k8s.io/component-base/logs/klogflags"
+	"k8s.io/klog/v2"
+)
+
+const vmoduleUsage = " (only works for the default text log format)"
+
+var (
+	packageFlags = flag.NewFlagSet("logging", flag.ContinueOnError)
+
+	// Periodic flushing gets configured either via the global flag
+	// in this file or via LoggingConfiguration.
+	logFlushFreq time.Duration
+)
+
+func init() {
+	klogflags.Init(packageFlags)
+	packageFlags.DurationVar(&logFlushFreq, logsapi.LogFlushFreqFlagName, logsapi.LogFlushFreqDefault, "Maximum number of seconds between log flushes")
+}
+
+type addFlagsOptions struct {
+	skipLoggingConfigurationFlags bool
+}
+
+type Option func(*addFlagsOptions)
+
+// SkipLoggingConfigurationFlags must be used as option for AddFlags when
+// the program also uses a LoggingConfiguration struct for configuring
+// logging. Then only flags not covered by that get added.
+func SkipLoggingConfigurationFlags() Option {
+	return func(o *addFlagsOptions) {
+		o.skipLoggingConfigurationFlags = true
+	}
+}
+
+// Options is an alias for LoggingConfiguration to comply with component-base
+// conventions.
+type Options = logsapi.LoggingConfiguration
+
+// NewOptions is an alias for NewLoggingConfiguration.
+var NewOptions = logsapi.NewLoggingConfiguration
+
+// AddFlags registers this package's flags on arbitrary FlagSets. This includes
+// the klog flags, with the original underscore as separator between. If
+// commands want hyphens as separators, they can set
+// k8s.io/component-base/cli/flag/WordSepNormalizeFunc as normalization
+// function on the flag set before calling AddFlags.
+//
+// May be called more than once.
+func AddFlags(fs *pflag.FlagSet, opts ...Option) {
+	o := addFlagsOptions{}
+	for _, opt := range opts {
+		opt(&o)
+	}
+
+	// Add all supported flags.
+	packageFlags.VisitAll(func(f *flag.Flag) {
+		pf := pflag.PFlagFromGoFlag(f)
+		switch f.Name {
+		case "v", logsapi.LogFlushFreqFlagName:
+			// unchanged, potentially skip it
+			if o.skipLoggingConfigurationFlags {
+				return
+			}
+		case "vmodule":
+			if o.skipLoggingConfigurationFlags {
+				return
+			}
+			pf.Usage += vmoduleUsage
+		}
+		if fs.Lookup(pf.Name) == nil {
+			fs.AddFlag(pf)
+		}
+	})
+}
+
+// AddGoFlags is a variant of AddFlags for traditional Go flag.FlagSet.
+// Commands should use pflag whenever possible for the sake of consistency.
+// Cases where this function is needed include tests (they have to set up flags
+// in flag.CommandLine) and commands that for historic reasons use Go
+// flag.Parse and cannot change to pflag because it would break their command
+// line interface.
+func AddGoFlags(fs *flag.FlagSet, opts ...Option) {
+	o := addFlagsOptions{}
+	for _, opt := range opts {
+		opt(&o)
+	}
+
+	// Add flags with deprecation remark added to the usage text of
+	// some klog flags.
+	packageFlags.VisitAll(func(f *flag.Flag) {
+		usage := f.Usage
+		switch f.Name {
+		case "v", logsapi.LogFlushFreqFlagName:
+			// unchanged
+			if o.skipLoggingConfigurationFlags {
+				return
+			}
+		case "vmodule":
+			if o.skipLoggingConfigurationFlags {
+				return
+			}
+			usage += vmoduleUsage
+		}
+		fs.Var(f.Value, f.Name, usage)
+	})
+}
+
+// KlogWriter serves as a bridge between the standard log package and the glog package.
+type KlogWriter struct{}
+
+// Write implements the io.Writer interface.
+func (writer KlogWriter) Write(data []byte) (n int, err error) {
+	klog.InfoDepth(1, string(data))
+	return len(data), nil
+}
+
+// InitLogs initializes logs the way we want for Kubernetes.
+// It should be called after parsing flags. If called before that,
+// it will use the default log settings.
+//
+// InitLogs disables support for contextual logging in klog while
+// that Kubernetes feature is not considered stable yet. Commands
+// which want to support contextual logging can:
+//   - call klog.EnableContextualLogging after calling InitLogs,
+//     with a fixed `true` or depending on some command line flag or
+//     a feature gate check
+//   - set up a FeatureGate instance, the advanced logging configuration
+//     with Options and call Options.ValidateAndApply with the FeatureGate;
+//     k8s.io/component-base/logs/example/cmd demonstrates how to do that
+func InitLogs() {
+	log.SetOutput(KlogWriter{})
+	log.SetFlags(0)
+
+	// Start flushing now. If LoggingConfiguration.ApplyAndValidate is
+	// used, it will restart the daemon with the log flush interval defined
+	// there.
+	klog.StartFlushDaemon(logFlushFreq)
+
+	// This is the default in Kubernetes. Options.ValidateAndApply
+	// will override this with the result of a feature gate check.
+	klog.EnableContextualLogging(false)
+}
+
+// FlushLogs flushes logs immediately. This should be called at the end of
+// the main function via defer to ensure that all pending log messages
+// are printed before exiting the program.
+func FlushLogs() {
+	klog.Flush()
+}
+
+// NewLogger creates a new log.Logger which sends logs to klog.Info.
+func NewLogger(prefix string) *log.Logger {
+	return log.New(KlogWriter{}, prefix, 0)
+}
+
+// GlogSetter is a setter to set glog level.
+func GlogSetter(val string) (string, error) {
+	var level klog.Level
+	if err := level.Set(val); err != nil {
+		return "", fmt.Errorf("failed set klog.logging.verbosity %s: %v", val, err)
+	}
+	return fmt.Sprintf("successfully set klog.logging.verbosity to %s", val), nil
+}

vendor/k8s.io/component-base/metrics/features/kube_features.go

@@ -0,0 +1,39 @@
+/*
+Copyright 2022 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 features
+
+import (
+	"k8s.io/component-base/featuregate"
+)
+
+const (
+	// owner: @logicalhan
+	// kep: https://kep.k8s.io/3466
+	// alpha: v1.26
+	ComponentSLIs featuregate.Feature = "ComponentSLIs"
+)
+
+func featureGates() map[featuregate.Feature]featuregate.FeatureSpec {
+	return map[featuregate.Feature]featuregate.FeatureSpec{
+		ComponentSLIs: {Default: false, PreRelease: featuregate.Alpha},
+	}
+}
+
+// AddFeatureGates adds all feature gates used by this package.
+func AddFeatureGates(mutableFeatureGate featuregate.MutableFeatureGate) error {
+	return mutableFeatureGate.Add(featureGates())
+}

vendor/k8s.io/component-base/metrics/prometheus/slis/metrics.go

@@ -0,0 +1,76 @@
+/*
+Copyright 2022 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 slis
+
+import (
+	"context"
+	k8smetrics "k8s.io/component-base/metrics"
+)
+
+type HealthcheckStatus string
+
+const (
+	Success HealthcheckStatus = "success"
+	Error   HealthcheckStatus = "error"
+)
+
+type HealthcheckType string
+
+var (
+	// healthcheck is a Prometheus Gauge metrics used for recording the results of a k8s healthcheck.
+	healthcheck = k8smetrics.NewGaugeVec(
+		&k8smetrics.GaugeOpts{
+			Namespace:      "kubernetes",
+			Name:           "healthcheck",
+			Help:           "This metric records the result of a single healthcheck.",
+			StabilityLevel: k8smetrics.ALPHA,
+		},
+		[]string{"name", "type"},
+	)
+
+	// healthchecksTotal is a Prometheus Counter metrics used for counting the results of a k8s healthcheck.
+	healthchecksTotal = k8smetrics.NewCounterVec(
+		&k8smetrics.CounterOpts{
+			Namespace:      "kubernetes",
+			Name:           "healthchecks_total",
+			Help:           "This metric records the results of all healthcheck.",
+			StabilityLevel: k8smetrics.ALPHA,
+		},
+		[]string{"name", "type", "status"},
+	)
+)
+
+func Register(registry k8smetrics.KubeRegistry) {
+	registry.Register(healthcheck)
+	registry.Register(healthchecksTotal)
+}
+
+func ResetHealthMetrics() {
+	healthcheck.Reset()
+	healthchecksTotal.Reset()
+}
+
+func ObserveHealthcheck(ctx context.Context, name string, healthcheckType string, status HealthcheckStatus) error {
+	if status == Success {
+		healthcheck.WithContext(ctx).WithLabelValues(name, healthcheckType).Set(1)
+	} else {
+		healthcheck.WithContext(ctx).WithLabelValues(name, healthcheckType).Set(0)
+	}
+
+	healthchecksTotal.WithContext(ctx).WithLabelValues(name, healthcheckType, string(status)).Inc()
+	return nil
+}

vendor/k8s.io/component-base/metrics/prometheus/slis/registry.go

@@ -0,0 +1,27 @@
+/*
+Copyright 2020 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 slis
+
+import (
+	"k8s.io/component-base/metrics"
+)
+
+var (
+	// Registry exposes the SLI registry so that additional SLIs can be
+	// added on a per-component basis.
+	Registry = metrics.NewKubeRegistry()
+)

vendor/k8s.io/component-base/metrics/prometheus/slis/routes.go

@@ -0,0 +1,53 @@
+/*
+Copyright 2020 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 slis
+
+import (
+	"net/http"
+	"sync"
+
+	"k8s.io/component-base/metrics"
+)
+
+var (
+	installOnce          = sync.Once{}
+	installWithResetOnce = sync.Once{}
+)
+
+type mux interface {
+	Handle(path string, handler http.Handler)
+}
+
+type SLIMetrics struct{}
+
+// Install adds the DefaultMetrics handler
+func (s SLIMetrics) Install(m mux) {
+	installOnce.Do(func() {
+		Register(Registry)
+		m.Handle("/metrics/slis", metrics.HandlerFor(Registry, metrics.HandlerOpts{}))
+	})
+}
+
+type SLIMetricsWithReset struct{}
+
+// Install adds the DefaultMetrics handler
+func (s SLIMetricsWithReset) Install(m mux) {
+	installWithResetOnce.Do(func() {
+		Register(Registry)
+		m.Handle("/metrics/slis", metrics.HandlerWithReset(Registry, metrics.HandlerOpts{}))
+	})
+}

vendor/k8s.io/component-base/metrics/prometheus/workqueue/metrics.go

@@ -0,0 +1,137 @@
+/*
+Copyright 2019 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 workqueue
+
+import (
+	"k8s.io/client-go/util/workqueue"
+	k8smetrics "k8s.io/component-base/metrics"
+	"k8s.io/component-base/metrics/legacyregistry"
+)
+
+// Package prometheus sets the workqueue DefaultMetricsFactory to produce
+// prometheus metrics. To use this package, you just have to import it.
+
+// Metrics subsystem and keys used by the workqueue.
+const (
+	WorkQueueSubsystem         = "workqueue"
+	DepthKey                   = "depth"
+	AddsKey                    = "adds_total"
+	QueueLatencyKey            = "queue_duration_seconds"
+	WorkDurationKey            = "work_duration_seconds"
+	UnfinishedWorkKey          = "unfinished_work_seconds"
+	LongestRunningProcessorKey = "longest_running_processor_seconds"
+	RetriesKey                 = "retries_total"
+)
+
+var (
+	depth = k8smetrics.NewGaugeVec(&k8smetrics.GaugeOpts{
+		Subsystem:      WorkQueueSubsystem,
+		Name:           DepthKey,
+		StabilityLevel: k8smetrics.ALPHA,
+		Help:           "Current depth of workqueue",
+	}, []string{"name"})
+
+	adds = k8smetrics.NewCounterVec(&k8smetrics.CounterOpts{
+		Subsystem:      WorkQueueSubsystem,
+		Name:           AddsKey,
+		StabilityLevel: k8smetrics.ALPHA,
+		Help:           "Total number of adds handled by workqueue",
+	}, []string{"name"})
+
+	latency = k8smetrics.NewHistogramVec(&k8smetrics.HistogramOpts{
+		Subsystem:      WorkQueueSubsystem,
+		Name:           QueueLatencyKey,
+		StabilityLevel: k8smetrics.ALPHA,
+		Help:           "How long in seconds an item stays in workqueue before being requested.",
+		Buckets:        k8smetrics.ExponentialBuckets(10e-9, 10, 10),
+	}, []string{"name"})
+
+	workDuration = k8smetrics.NewHistogramVec(&k8smetrics.HistogramOpts{
+		Subsystem:      WorkQueueSubsystem,
+		Name:           WorkDurationKey,
+		StabilityLevel: k8smetrics.ALPHA,
+		Help:           "How long in seconds processing an item from workqueue takes.",
+		Buckets:        k8smetrics.ExponentialBuckets(10e-9, 10, 10),
+	}, []string{"name"})
+
+	unfinished = k8smetrics.NewGaugeVec(&k8smetrics.GaugeOpts{
+		Subsystem:      WorkQueueSubsystem,
+		Name:           UnfinishedWorkKey,
+		StabilityLevel: k8smetrics.ALPHA,
+		Help: "How many seconds of work has done that " +
+			"is in progress and hasn't been observed by work_duration. Large " +
+			"values indicate stuck threads. One can deduce the number of stuck " +
+			"threads by observing the rate at which this increases.",
+	}, []string{"name"})
+
+	longestRunningProcessor = k8smetrics.NewGaugeVec(&k8smetrics.GaugeOpts{
+		Subsystem:      WorkQueueSubsystem,
+		Name:           LongestRunningProcessorKey,
+		StabilityLevel: k8smetrics.ALPHA,
+		Help: "How many seconds has the longest running " +
+			"processor for workqueue been running.",
+	}, []string{"name"})
+
+	retries = k8smetrics.NewCounterVec(&k8smetrics.CounterOpts{
+		Subsystem:      WorkQueueSubsystem,
+		Name:           RetriesKey,
+		StabilityLevel: k8smetrics.ALPHA,
+		Help:           "Total number of retries handled by workqueue",
+	}, []string{"name"})
+
+	metrics = []k8smetrics.Registerable{
+		depth, adds, latency, workDuration, unfinished, longestRunningProcessor, retries,
+	}
+)
+
+type prometheusMetricsProvider struct {
+}
+
+func init() {
+	for _, m := range metrics {
+		legacyregistry.MustRegister(m)
+	}
+	workqueue.SetProvider(prometheusMetricsProvider{})
+}
+
+func (prometheusMetricsProvider) NewDepthMetric(name string) workqueue.GaugeMetric {
+	return depth.WithLabelValues(name)
+}
+
+func (prometheusMetricsProvider) NewAddsMetric(name string) workqueue.CounterMetric {
+	return adds.WithLabelValues(name)
+}
+
+func (prometheusMetricsProvider) NewLatencyMetric(name string) workqueue.HistogramMetric {
+	return latency.WithLabelValues(name)
+}
+
+func (prometheusMetricsProvider) NewWorkDurationMetric(name string) workqueue.HistogramMetric {
+	return workDuration.WithLabelValues(name)
+}
+
+func (prometheusMetricsProvider) NewUnfinishedWorkSecondsMetric(name string) workqueue.SettableGaugeMetric {
+	return unfinished.WithLabelValues(name)
+}
+
+func (prometheusMetricsProvider) NewLongestRunningProcessorSecondsMetric(name string) workqueue.SettableGaugeMetric {
+	return longestRunningProcessor.WithLabelValues(name)
+}
+
+func (prometheusMetricsProvider) NewRetriesMetric(name string) workqueue.CounterMetric {
+	return retries.WithLabelValues(name)
+}