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initializer.go
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initializer.go
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// Copyright 2018 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 initializer
import (
"k8s.io/apiserver/pkg/admission"
"k8s.io/apiserver/pkg/authorization/authorizer"
quotav1 "k8s.io/apiserver/pkg/quota/v1"
"k8s.io/client-go/dynamic"
kubeinformers "k8s.io/client-go/informers"
"k8s.io/client-go/kubernetes"
gardencoreclientset "github.com/gardener/gardener/pkg/client/core/clientset/versioned"
gardencoreinformers "github.com/gardener/gardener/pkg/client/core/informers/externalversions"
seedmanagementclientset "github.com/gardener/gardener/pkg/client/seedmanagement/clientset/versioned"
seedmanagementinformers "github.com/gardener/gardener/pkg/client/seedmanagement/informers/externalversions"
settingsinformers "github.com/gardener/gardener/pkg/client/settings/informers/externalversions"
)
// New constructs new instance of PluginInitializer
func New(
coreInformers gardencoreinformers.SharedInformerFactory,
coreClient gardencoreclientset.Interface,
seedManagementInformers seedmanagementinformers.SharedInformerFactory,
seedManagementClient seedmanagementclientset.Interface,
settingsInformers settingsinformers.SharedInformerFactory,
kubeInformers kubeinformers.SharedInformerFactory,
kubeClient kubernetes.Interface,
dynamicClient dynamic.Interface,
authz authorizer.Authorizer,
quotaConfiguration quotav1.Configuration,
) admission.PluginInitializer {
return pluginInitializer{
coreInformers: coreInformers,
coreClient: coreClient,
seedManagementInformers: seedManagementInformers,
seedManagementClient: seedManagementClient,
settingsInformers: settingsInformers,
kubeInformers: kubeInformers,
kubeClient: kubeClient,
dynamicClient: dynamicClient,
authorizer: authz,
quotaConfiguration: quotaConfiguration,
}
}
// Initialize checks the initialization interfaces implemented by each plugin
// and provide the appropriate initialization data
func (i pluginInitializer) Initialize(plugin admission.Interface) {
if wants, ok := plugin.(WantsCoreInformerFactory); ok {
wants.SetCoreInformerFactory(i.coreInformers)
}
if wants, ok := plugin.(WantsCoreClientSet); ok {
wants.SetCoreClientSet(i.coreClient)
}
if wants, ok := plugin.(WantsSeedManagementInformerFactory); ok {
wants.SetSeedManagementInformerFactory(i.seedManagementInformers)
}
if wants, ok := plugin.(WantsSeedManagementClientSet); ok {
wants.SetSeedManagementClientSet(i.seedManagementClient)
}
if wants, ok := plugin.(WantsSettingsInformerFactory); ok {
wants.SetSettingsInformerFactory(i.settingsInformers)
}
if wants, ok := plugin.(WantsKubeInformerFactory); ok {
wants.SetKubeInformerFactory(i.kubeInformers)
}
if wants, ok := plugin.(WantsKubeClientset); ok {
wants.SetKubeClientset(i.kubeClient)
}
if wants, ok := plugin.(WantsDynamicClient); ok {
wants.SetDynamicClient(i.dynamicClient)
}
if wants, ok := plugin.(WantsAuthorizer); ok {
wants.SetAuthorizer(i.authorizer)
}
if wants, ok := plugin.(WantsQuotaConfiguration); ok {
wants.SetQuotaConfiguration(i.quotaConfiguration)
}
}