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store.go
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store.go
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// Copyright 2023 SAP SE or an SAP affiliate company
//
// 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 utils
import (
"context"
"fmt"
"strings"
druidv1alpha1 "github.com/gardener/etcd-druid/api/v1alpha1"
"github.com/go-logr/logr"
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
)
const (
// LocalProviderDefaultMountPath is the default path where the buckets directory is mounted.
LocalProviderDefaultMountPath = "/etc/gardener/local-backupbuckets"
// EtcdBackupSecretHostPath is the hostPath field in the etcd-backup secret.
EtcdBackupSecretHostPath = "hostPath"
)
const (
aws = "aws"
azure = "azure"
gcp = "gcp"
alicloud = "alicloud"
openstack = "openstack"
dell = "dell"
openshift = "openshift"
)
const (
// S3 is a constant for the AWS and S3 compliant storage provider.
S3 = "S3"
// ABS is a constant for the Azure storage provider.
ABS = "ABS"
// GCS is a constant for the Google storage provider.
GCS = "GCS"
// OSS is a constant for the Alicloud storage provider.
OSS = "OSS"
// Swift is a constant for the OpenStack storage provider.
Swift = "Swift"
// Local is a constant for the Local storage provider.
Local = "Local"
// ECS is a constant for the EMC storage provider.
ECS = "ECS"
// OCS is a constant for the OpenShift storage provider.
OCS = "OCS"
)
// GetHostMountPathFromSecretRef returns the hostPath configured for the given store.
func GetHostMountPathFromSecretRef(ctx context.Context, client client.Client, logger logr.Logger, store *druidv1alpha1.StoreSpec, namespace string) (string, error) {
if store.SecretRef == nil {
logger.Info("secretRef is not defined for store, using default hostPath", "namespace", namespace)
return LocalProviderDefaultMountPath, nil
}
secret := &corev1.Secret{}
if err := client.Get(ctx, Key(namespace, store.SecretRef.Name), secret); err != nil {
return "", err
}
hostPath, ok := secret.Data[EtcdBackupSecretHostPath]
if !ok {
return LocalProviderDefaultMountPath, nil
}
return string(hostPath), nil
}
// StorageProviderFromInfraProvider converts infra to object store provider.
func StorageProviderFromInfraProvider(infra *druidv1alpha1.StorageProvider) (string, error) {
if infra == nil || len(*infra) == 0 {
return "", nil
}
switch *infra {
case aws, S3:
return S3, nil
case azure, ABS:
return ABS, nil
case alicloud, OSS:
return OSS, nil
case openstack, Swift:
return Swift, nil
case gcp, GCS:
return GCS, nil
case dell, ECS:
return ECS, nil
case openshift, OCS:
return OCS, nil
case Local, druidv1alpha1.StorageProvider(strings.ToLower(Local)):
return Local, nil
default:
return "", fmt.Errorf("unsupported storage provider: %v", *infra)
}
}