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registry.go
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registry.go
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/*
Copyright 2022 The Karmada 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 runtime
import (
"time"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/client-go/informers"
"k8s.io/client-go/rest"
"github.com/karmada-io/karmada/pkg/generated/informers/externalversions"
"github.com/karmada-io/karmada/pkg/search/proxy/framework"
"github.com/karmada-io/karmada/pkg/search/proxy/store"
)
// PluginDependency holds dependency for plugins. It will be passed to PluginFactory when initializing Plugin.
type PluginDependency struct {
RestConfig *rest.Config
RestMapper meta.RESTMapper
KubeFactory informers.SharedInformerFactory
KarmadaFactory externalversions.SharedInformerFactory
MinRequestTimeout time.Duration
Store store.Store
}
// PluginFactory is the function to create a plugin.
type PluginFactory func(dep PluginDependency) (framework.Plugin, error)
// Registry is a collection of all available plugins. The framework uses a
// registry to enable and initialize configured plugins.
// All plugins must be in the registry before initializing the framework.
type Registry []PluginFactory
// Register adds a new plugin to the registry.
func (r *Registry) Register(factory PluginFactory) {
*r = append(*r, factory)
}
// Merge merges the provided registry to the current one.
func (r *Registry) Merge(in Registry) {
*r = append(*r, in...)
}