feat: add crd gen

Signed-off-by: runzexia <runzexia@yunify.com>

vendor/k8s.io/apiserver/pkg/server/options/recommended.go

@@ -0,0 +1,130 @@
+/*
+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 options
+
+import (
+	"github.com/spf13/pflag"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apiserver/pkg/admission"
+	"k8s.io/apiserver/pkg/server"
+	"k8s.io/apiserver/pkg/storage/storagebackend"
+)
+
+// RecommendedOptions contains the recommended options for running an API server.
+// If you add something to this list, it should be in a logical grouping.
+// Each of them can be nil to leave the feature unconfigured on ApplyTo.
+type RecommendedOptions struct {
+	Etcd           *EtcdOptions
+	SecureServing  *SecureServingOptionsWithLoopback
+	Authentication *DelegatingAuthenticationOptions
+	Authorization  *DelegatingAuthorizationOptions
+	Audit          *AuditOptions
+	Features       *FeatureOptions
+	CoreAPI        *CoreAPIOptions
+
+	// ExtraAdmissionInitializers is called once after all ApplyTo from the options above, to pass the returned
+	// admission plugin initializers to Admission.ApplyTo.
+	ExtraAdmissionInitializers func(c *server.RecommendedConfig) ([]admission.PluginInitializer, error)
+	Admission                  *AdmissionOptions
+	// ProcessInfo is used to identify events created by the server.
+	ProcessInfo *ProcessInfo
+	Webhook     *WebhookOptions
+}
+
+func NewRecommendedOptions(prefix string, codec runtime.Codec, processInfo *ProcessInfo) *RecommendedOptions {
+	sso := NewSecureServingOptions()
+
+	// We are composing recommended options for an aggregated api-server,
+	// whose client is typically a proxy multiplexing many operations ---
+	// notably including long-running ones --- into one HTTP/2 connection
+	// into this server.  So allow many concurrent operations.
+	sso.HTTP2MaxStreamsPerConnection = 1000
+
+	return &RecommendedOptions{
+		Etcd:                       NewEtcdOptions(storagebackend.NewDefaultConfig(prefix, codec)),
+		SecureServing:              sso.WithLoopback(),
+		Authentication:             NewDelegatingAuthenticationOptions(),
+		Authorization:              NewDelegatingAuthorizationOptions(),
+		Audit:                      NewAuditOptions(),
+		Features:                   NewFeatureOptions(),
+		CoreAPI:                    NewCoreAPIOptions(),
+		ExtraAdmissionInitializers: func(c *server.RecommendedConfig) ([]admission.PluginInitializer, error) { return nil, nil },
+		Admission:                  NewAdmissionOptions(),
+		ProcessInfo:                processInfo,
+		Webhook:                    NewWebhookOptions(),
+	}
+}
+
+func (o *RecommendedOptions) AddFlags(fs *pflag.FlagSet) {
+	o.Etcd.AddFlags(fs)
+	o.SecureServing.AddFlags(fs)
+	o.Authentication.AddFlags(fs)
+	o.Authorization.AddFlags(fs)
+	o.Audit.AddFlags(fs)
+	o.Features.AddFlags(fs)
+	o.CoreAPI.AddFlags(fs)
+	o.Admission.AddFlags(fs)
+}
+
+// ApplyTo adds RecommendedOptions to the server configuration.
+// scheme is the scheme of the apiserver types that are sent to the admission chain.
+// pluginInitializers can be empty, it is only need for additional initializers.
+func (o *RecommendedOptions) ApplyTo(config *server.RecommendedConfig, scheme *runtime.Scheme) error {
+	if err := o.Etcd.ApplyTo(&config.Config); err != nil {
+		return err
+	}
+	if err := o.SecureServing.ApplyTo(&config.Config.SecureServing, &config.Config.LoopbackClientConfig); err != nil {
+		return err
+	}
+	if err := o.Authentication.ApplyTo(&config.Config.Authentication, config.SecureServing, config.OpenAPIConfig); err != nil {
+		return err
+	}
+	if err := o.Authorization.ApplyTo(&config.Config.Authorization); err != nil {
+		return err
+	}
+	if err := o.Audit.ApplyTo(&config.Config, config.ClientConfig, config.SharedInformerFactory, o.ProcessInfo, o.Webhook); err != nil {
+		return err
+	}
+	if err := o.Features.ApplyTo(&config.Config); err != nil {
+		return err
+	}
+	if err := o.CoreAPI.ApplyTo(config); err != nil {
+		return err
+	}
+	if initializers, err := o.ExtraAdmissionInitializers(config); err != nil {
+		return err
+	} else if err := o.Admission.ApplyTo(&config.Config, config.SharedInformerFactory, config.ClientConfig, scheme, initializers...); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (o *RecommendedOptions) Validate() []error {
+	errors := []error{}
+	errors = append(errors, o.Etcd.Validate()...)
+	errors = append(errors, o.SecureServing.Validate()...)
+	errors = append(errors, o.Authentication.Validate()...)
+	errors = append(errors, o.Authorization.Validate()...)
+	errors = append(errors, o.Audit.Validate()...)
+	errors = append(errors, o.Features.Validate()...)
+	errors = append(errors, o.CoreAPI.Validate()...)
+	errors = append(errors, o.Admission.Validate()...)
+
+	return errors
+}