mirror of
https://github.com/kubernetes-sigs/descheduler.git
synced 2026-01-26 21:31:18 +01:00
3510aba01d
- Populate extension points automatically from plugin types - Make a list of enabled extension points based on a profile configuration - Populate filter and pre-eviction filter handles from their corresponding extension points
72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
/*
|
|
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 pluginregistry
|
|
|
|
import (
|
|
"k8s.io/apimachinery/pkg/runtime"
|
|
"k8s.io/klog/v2"
|
|
frameworktypes "sigs.k8s.io/descheduler/pkg/framework/types"
|
|
)
|
|
|
|
var PluginRegistry Registry
|
|
|
|
type PluginUtilities struct {
|
|
PluginBuilder PluginBuilder
|
|
|
|
PluginType interface{}
|
|
// Just an example instance of this PluginArg so we can avoid having
|
|
// to deal with reflect Types
|
|
PluginArgInstance runtime.Object
|
|
PluginArgValidator PluginArgValidator
|
|
PluginArgDefaulter PluginArgDefaulter
|
|
}
|
|
|
|
type PluginBuilder = func(args runtime.Object, handle frameworktypes.Handle) (frameworktypes.Plugin, error)
|
|
|
|
type (
|
|
PluginArgValidator = func(args runtime.Object) error
|
|
PluginArgDefaulter = func(args runtime.Object)
|
|
)
|
|
|
|
type Registry map[string]PluginUtilities
|
|
|
|
func NewRegistry() Registry {
|
|
return Registry{}
|
|
}
|
|
|
|
func Register(
|
|
name string,
|
|
builderFunc PluginBuilder,
|
|
pluginType interface{},
|
|
exampleArg runtime.Object,
|
|
pluginArgValidator PluginArgValidator,
|
|
pluginArgDefaulter PluginArgDefaulter,
|
|
registry Registry,
|
|
) {
|
|
if _, ok := registry[name]; ok {
|
|
klog.V(10).InfoS("Plugin already registered", "plugin", name)
|
|
} else {
|
|
registry[name] = PluginUtilities{
|
|
PluginBuilder: builderFunc,
|
|
PluginType: pluginType,
|
|
PluginArgInstance: exampleArg,
|
|
PluginArgValidator: pluginArgValidator,
|
|
PluginArgDefaulter: pluginArgDefaulter,
|
|
}
|
|
}
|
|
}
|