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metricsserver.go
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metricsserver.go
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// Copyright (c) 2020 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 botanist
import (
"context"
"github.com/gardener/gardener/pkg/operation/botanist/component"
"github.com/gardener/gardener/pkg/operation/botanist/systemcomponents/metricsserver"
"github.com/gardener/gardener/pkg/operation/common"
"github.com/gardener/gardener/pkg/utils/imagevector"
"k8s.io/utils/pointer"
)
// DefaultMetricsServer returns a deployer for the metrics-server.
func (b *Botanist) DefaultMetricsServer() (metricsserver.MetricsServer, error) {
image, err := b.ImageVector.FindImage(common.MetricsServerImageName, imagevector.RuntimeVersion(b.ShootVersion()), imagevector.TargetVersion(b.ShootVersion()))
if err != nil {
return nil, err
}
var kubeAPIServerHost *string
if b.APIServerSNIEnabled() {
kubeAPIServerHost = pointer.StringPtr(b.outOfClusterAPIServerFQDN())
}
return metricsserver.New(
b.K8sSeedClient.Client(),
b.Shoot.SeedNamespace,
image.String(),
b.Shoot.WantsVerticalPodAutoscaler,
kubeAPIServerHost,
), nil
}
// DeployMetricsServer deploys the metrics-server.
func (b *Botanist) DeployMetricsServer(ctx context.Context) error {
b.Shoot.Components.SystemComponents.MetricsServer.SetSecrets(metricsserver.Secrets{
CA: component.Secret{Name: metricsserver.SecretNameCA, Checksum: b.CheckSums[metricsserver.SecretNameCA], Data: b.Secrets[metricsserver.SecretNameCA].Data},
Server: component.Secret{Name: metricsserver.SecretNameServer, Checksum: b.CheckSums[metricsserver.SecretNameServer], Data: b.Secrets[metricsserver.SecretNameServer].Data},
})
return b.Shoot.Components.SystemComponents.MetricsServer.Deploy(ctx)
}