rebase: update kubernetes to v1.21.2

Updated kubernetes packages to latest release.
resizefs package has been included into k8s.io/mount-utils
package. updated code to use the same.

Updates: #1968

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

vendor/k8s.io/component-base/metrics/counter.go

@@ -17,8 +17,10 @@ limitations under the License.
 package metrics
 
 import (
+	"context"
 	"github.com/blang/semver"
 	"github.com/prometheus/client_golang/prometheus"
+	dto "github.com/prometheus/client_model/go"
 )
 
 // Counter is our internal representation for our wrapping struct around prometheus
@@ -30,6 +32,9 @@ type Counter struct {
 	selfCollector
 }
 
+// The implementation of the Metric interface is expected by testutil.GetCounterMetricValue.
+var _ Metric = &Counter{}
+
 // NewCounter returns an object which satisfies the kubeCollector and CounterMetric interfaces.
 // However, the object returned will not measure anything unless the collector is first
 // registered, since the metric is lazily instantiated.
@@ -45,6 +50,14 @@ func NewCounter(opts *CounterOpts) *Counter {
 	return kc
 }
 
+func (c *Counter) Desc() *prometheus.Desc {
+	return c.metric.Desc()
+}
+
+func (c *Counter) Write(to *dto.Metric) error {
+	return c.metric.Write(to)
+}
+
 // Reset resets the underlying prometheus Counter to start counting from 0 again
 func (c *Counter) Reset() {
 	if !c.IsCreated() {
@@ -79,6 +92,11 @@ func (c *Counter) initializeDeprecatedMetric() {
 	c.initializeMetric()
 }
 
+// WithContext allows the normal Counter metric to pass in context. The context is no-op now.
+func (c *Counter) WithContext(ctx context.Context) CounterMetric {
+	return c.CounterMetric
+}
+
 // CounterVec is the internal representation of our wrapping struct around prometheus
 // counterVecs. CounterVec implements both kubeCollector and CounterVecMetric.
 type CounterVec struct {
@@ -94,13 +112,20 @@ type CounterVec struct {
 func NewCounterVec(opts *CounterOpts, labels []string) *CounterVec {
 	opts.StabilityLevel.setDefaults()
 
+	fqName := BuildFQName(opts.Namespace, opts.Subsystem, opts.Name)
+	allowListLock.RLock()
+	if allowList, ok := labelValueAllowLists[fqName]; ok {
+		opts.LabelValueAllowLists = allowList
+	}
+	allowListLock.RUnlock()
+
 	cv := &CounterVec{
 		CounterVec:     noopCounterVec,
 		CounterOpts:    opts,
 		originalLabels: labels,
 		lazyMetric:     lazyMetric{},
 	}
-	cv.lazyInit(cv, BuildFQName(opts.Namespace, opts.Subsystem, opts.Name))
+	cv.lazyInit(cv, fqName)
 	return cv
 }
 
@@ -140,6 +165,9 @@ func (v *CounterVec) WithLabelValues(lvs ...string) CounterMetric {
 	if !v.IsCreated() {
 		return noop // return no-op counter
 	}
+	if v.LabelValueAllowLists != nil {
+		v.LabelValueAllowLists.ConstrainToAllowedList(v.originalLabels, lvs)
+	}
 	return v.CounterVec.WithLabelValues(lvs...)
 }
 
@@ -151,6 +179,9 @@ func (v *CounterVec) With(labels map[string]string) CounterMetric {
 	if !v.IsCreated() {
 		return noop // return no-op counter
 	}
+	if v.LabelValueAllowLists != nil {
+		v.LabelValueAllowLists.ConstrainLabelMap(labels)
+	}
 	return v.CounterVec.With(labels)
 }
 
@@ -176,3 +207,27 @@ func (v *CounterVec) Reset() {
 
 	v.CounterVec.Reset()
 }
+
+// WithContext returns wrapped CounterVec with context
+func (v *CounterVec) WithContext(ctx context.Context) *CounterVecWithContext {
+	return &CounterVecWithContext{
+		ctx:        ctx,
+		CounterVec: *v,
+	}
+}
+
+// CounterVecWithContext is the wrapper of CounterVec with context.
+type CounterVecWithContext struct {
+	CounterVec
+	ctx context.Context
+}
+
+// WithLabelValues is the wrapper of CounterVec.WithLabelValues.
+func (vc *CounterVecWithContext) WithLabelValues(lvs ...string) CounterMetric {
+	return vc.CounterVec.WithLabelValues(lvs...)
+}
+
+// With is the wrapper of CounterVec.With.
+func (vc *CounterVecWithContext) With(labels map[string]string) CounterMetric {
+	return vc.CounterVec.With(labels)
+}