feat: kubesphere 4.0 (#6115)

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

---------

Signed-off-by: ci-bot <ci-bot@kubesphere.io>
Co-authored-by: ks-ci-bot <ks-ci-bot@example.com>
Co-authored-by: joyceliu <joyceliu@yunify.com>

vendor/k8s.io/apiextensions-apiserver/pkg/apiserver/validation/metrics.go

@@ -0,0 +1,66 @@
+/*
+Copyright 2023 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 validation
+
+import (
+	"time"
+
+	"k8s.io/component-base/metrics"
+	"k8s.io/component-base/metrics/legacyregistry"
+)
+
+const (
+	namespace = "apiextensions_apiserver"
+	subsystem = "validation"
+)
+
+// Interface to stub for tests
+type ValidationMetrics interface {
+	ObserveRatchetingTime(d time.Duration)
+}
+
+var Metrics ValidationMetrics = &validationMetrics{
+	RatchetingTime: metrics.NewHistogram(&metrics.HistogramOpts{
+		Namespace:      namespace,
+		Subsystem:      subsystem,
+		Name:           "ratcheting_seconds",
+		Help:           "Time for comparison of old to new for the purposes of CRDValidationRatcheting during an UPDATE in seconds.",
+		StabilityLevel: metrics.ALPHA,
+		// Start 0.01ms with the last bucket being [~2.5s, +Inf)
+		Buckets: metrics.ExponentialBuckets(0.00001, 4, 10),
+	}),
+}
+
+func init() {
+	legacyregistry.MustRegister(Metrics.(*validationMetrics).RatchetingTime)
+}
+
+type validationMetrics struct {
+	RatchetingTime *metrics.Histogram
+}
+
+// ObserveRatchetingTime records the time spent on ratcheting
+func (m *validationMetrics) ObserveRatchetingTime(d time.Duration) {
+	m.RatchetingTime.Observe(d.Seconds())
+}
+
+// Reset resets the metrics. This is meant to be used for testing. Panics
+// if the metrics cannot be re-registered. Returns all the reset metrics
+func (m *validationMetrics) Reset() []metrics.Registerable {
+	m.RatchetingTime = metrics.NewHistogram(m.RatchetingTime.HistogramOpts)
+	return []metrics.Registerable{m.RatchetingTime}
+}