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etcd.go
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etcd.go
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// Copyright 2023 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 (
"context"
"crypto/tls"
"crypto/x509"
"fmt"
"net/http"
v1beta1constants "github.com/gardener/gardener/pkg/apis/core/v1beta1/constants"
"github.com/gardener/gardener/pkg/component/etcd"
secretsutils "github.com/gardener/gardener/pkg/utils/secrets"
secretsmanager "github.com/gardener/gardener/pkg/utils/secrets/manager"
)
// SnapshotEtcd performs a full snapshot on ETCD main.
func SnapshotEtcd(ctx context.Context, secretsManager secretsmanager.Interface, etcdMain etcd.Interface) error {
etcdCASecret, found := secretsManager.Get(v1beta1constants.SecretNameCAETCD)
if !found {
return fmt.Errorf("secret %q not found", v1beta1constants.SecretNameCAETCD)
}
caCerts := x509.NewCertPool()
caCerts.AppendCertsFromPEM(etcdCASecret.Data[secretsutils.DataKeyCertificateBundle])
httpClient := &http.Client{
Transport: &http.Transport{
TLSClientConfig: &tls.Config{
RootCAs: caCerts,
},
},
}
return etcdMain.Snapshot(ctx, httpClient)
}