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vpa.go
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vpa.go
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// Copyright (c) 2022 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 shared
import (
"time"
"github.com/Masterminds/semver"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/utils/pointer"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/gardener/gardener/pkg/operation/botanist/component"
"github.com/gardener/gardener/pkg/operation/botanist/component/vpa"
"github.com/gardener/gardener/pkg/utils/images"
"github.com/gardener/gardener/pkg/utils/imagevector"
secretsmanager "github.com/gardener/gardener/pkg/utils/secrets/manager"
)
// NewVerticalPodAutoscaler instantiates a new `vertical-pod-autoscaler` component.
func NewVerticalPodAutoscaler(
c client.Client,
gardenNamespaceName string,
runtimeVersion *semver.Version,
imageVector imagevector.ImageVector,
secretsManager secretsmanager.Interface,
enabled bool,
secretNameServerCA string,
priorityClassNameAdmissionController string,
priorityClassNameRecommender string,
priorityClassNameUpdater string,
) (
component.DeployWaiter,
error,
) {
imageAdmissionController, err := imageVector.FindImage(images.ImageNameVpaAdmissionController, imagevector.TargetVersion(runtimeVersion.String()))
if err != nil {
return nil, err
}
imageRecommender, err := imageVector.FindImage(images.ImageNameVpaRecommender, imagevector.TargetVersion(runtimeVersion.String()))
if err != nil {
return nil, err
}
imageUpdater, err := imageVector.FindImage(images.ImageNameVpaUpdater, imagevector.TargetVersion(runtimeVersion.String()))
if err != nil {
return nil, err
}
return vpa.New(
c,
gardenNamespaceName,
secretsManager,
vpa.Values{
ClusterType: component.ClusterTypeSeed,
Enabled: enabled,
SecretNameServerCA: secretNameServerCA,
RuntimeKubernetesVersion: runtimeVersion,
AdmissionController: vpa.ValuesAdmissionController{
Image: imageAdmissionController.String(),
PriorityClassName: priorityClassNameAdmissionController,
},
Recommender: vpa.ValuesRecommender{
Image: imageRecommender.String(),
PriorityClassName: priorityClassNameRecommender,
RecommendationMarginFraction: pointer.Float64(0.05),
},
Updater: vpa.ValuesUpdater{
EvictionTolerance: pointer.Float64(1.0),
EvictAfterOOMThreshold: &metav1.Duration{Duration: 48 * time.Hour},
Image: imageUpdater.String(),
PriorityClassName: priorityClassNameUpdater,
},
},
), nil
}