128 lines
4.7 KiB
Go
128 lines
4.7 KiB
Go
/*
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Copyright 2022 The Karmada Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package options
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import (
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"github.com/spf13/pflag"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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genericapiserver "k8s.io/apiserver/pkg/server"
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genericoptions "k8s.io/apiserver/pkg/server/options"
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"k8s.io/apiserver/pkg/storage/storagebackend"
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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/client-go/kubernetes"
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searchscheme "github.com/karmada-io/karmada/pkg/apis/search/scheme"
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searchv1alpha1 "github.com/karmada-io/karmada/pkg/apis/search/v1alpha1"
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"github.com/karmada-io/karmada/pkg/sharedcli/profileflag"
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)
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const defaultEtcdPathPrefix = "/registry"
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// Options contains command line parameters for karmada-search.
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type Options struct {
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Etcd *genericoptions.EtcdOptions
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SecureServing *genericoptions.SecureServingOptionsWithLoopback
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Authentication *genericoptions.DelegatingAuthenticationOptions
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Authorization *genericoptions.DelegatingAuthorizationOptions
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Audit *genericoptions.AuditOptions
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Features *genericoptions.FeatureOptions
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CoreAPI *genericoptions.CoreAPIOptions
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// KubeAPIQPS is the QPS to use while talking with karmada-search.
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KubeAPIQPS float32
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// KubeAPIBurst is the burst to allow while talking with karmada-search.
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KubeAPIBurst int
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ProfileOpts profileflag.Options
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DisableSearch bool
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DisableProxy bool
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}
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// NewOptions returns a new Options.
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func NewOptions() *Options {
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o := &Options{
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Etcd: genericoptions.NewEtcdOptions(storagebackend.NewDefaultConfig(defaultEtcdPathPrefix, searchscheme.Codecs.LegacyCodec(schema.GroupVersion{Group: searchv1alpha1.GroupVersion.Group, Version: searchv1alpha1.GroupVersion.Version}))),
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SecureServing: genericoptions.NewSecureServingOptions().WithLoopback(),
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Authentication: genericoptions.NewDelegatingAuthenticationOptions(),
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Authorization: genericoptions.NewDelegatingAuthorizationOptions(),
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Audit: genericoptions.NewAuditOptions(),
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Features: genericoptions.NewFeatureOptions(),
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CoreAPI: genericoptions.NewCoreAPIOptions(),
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}
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o.Etcd.StorageConfig.EncodeVersioner = runtime.NewMultiGroupVersioner(schema.GroupVersion{Group: searchv1alpha1.GroupVersion.Group, Version: searchv1alpha1.GroupVersion.Version},
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schema.GroupKind{Group: searchv1alpha1.GroupName})
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return o
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}
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// AddFlags adds flags to the specified FlagSet.
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func (o *Options) AddFlags(flags *pflag.FlagSet) {
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o.Etcd.AddFlags(flags)
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o.SecureServing.AddFlags(flags)
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o.Authentication.AddFlags(flags)
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o.Authorization.AddFlags(flags)
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o.Audit.AddFlags(flags)
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o.Features.AddFlags(flags)
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o.CoreAPI.AddFlags(flags)
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flags.Lookup("kubeconfig").Usage = "Path to karmada control plane kubeconfig file."
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flags.Float32Var(&o.KubeAPIQPS, "kube-api-qps", 40.0, "QPS to use while talking with karmada-apiserver.")
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flags.IntVar(&o.KubeAPIBurst, "kube-api-burst", 60, "Burst to use while talking with karmada-apiserver.")
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flags.BoolVar(&o.DisableSearch, "disable-search", false, "Disable search feature that would save memory usage significantly.")
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flags.BoolVar(&o.DisableProxy, "disable-proxy", false, "Disable proxy feature that would save memory usage significantly.")
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utilfeature.DefaultMutableFeatureGate.AddFlag(flags)
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o.ProfileOpts.AddFlags(flags)
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}
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// ApplyTo adds Options to the server configuration.
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func (o *Options) ApplyTo(config *genericapiserver.RecommendedConfig) error {
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if err := o.Etcd.ApplyTo(&config.Config); err != nil {
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return err
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}
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if err := o.SecureServing.ApplyTo(&config.Config.SecureServing, &config.Config.LoopbackClientConfig); err != nil {
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return err
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}
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if err := o.Authentication.ApplyTo(&config.Config.Authentication, config.SecureServing, config.OpenAPIConfig); err != nil {
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return err
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}
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if err := o.Authorization.ApplyTo(&config.Config.Authorization); err != nil {
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return err
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}
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if err := o.Audit.ApplyTo(&config.Config); err != nil {
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return err
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}
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if err := o.CoreAPI.ApplyTo(config); err != nil {
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return err
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}
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kubeClient, err := kubernetes.NewForConfig(config.ClientConfig)
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if err != nil {
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return err
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}
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if err = o.Features.ApplyTo(&config.Config, kubeClient, config.SharedInformerFactory); err != nil {
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return err
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}
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return nil
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}
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// Complete fills in fields required to have valid data.
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func (o *Options) Complete() error {
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return nil
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}
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