velero/pkg/repository/provider/provider.go

63 lines
2.3 KiB
Go

/*
Copyright the Velero contributors.
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 provider
import (
"context"
"time"
velerov1api "github.com/vmware-tanzu/velero/pkg/apis/velero/v1"
)
// RepoParam includes the parameters to manipulate a backup repository
type RepoParam struct {
BackupLocation *velerov1api.BackupStorageLocation
BackupRepo *velerov1api.BackupRepository
}
// Provider defines the methods to manipulate a backup repository
type Provider interface {
// InitRepo is to initialize a repository from a new storage place
InitRepo(ctx context.Context, param RepoParam) error
// ConnectToRepo is to establish the connection to a
// storage place that a repository is already initialized
ConnectToRepo(ctx context.Context, param RepoParam) error
// PrepareRepo is a combination of InitRepo and ConnectToRepo,
// it may do initializing + connecting, connecting only if the repository
// is already initialized, or do nothing if the repository is already connected
PrepareRepo(ctx context.Context, param RepoParam) error
// BoostRepoConnect is used to re-ensure the local connection to the repo,
// so that the followed operations could succeed in some environment reset
// scenarios, for example, pod restart
BoostRepoConnect(ctx context.Context, param RepoParam) error
// PruneRepo does a full prune/maintenance of the repository
PruneRepo(ctx context.Context, param RepoParam) error
// EnsureUnlockRepo esures to remove any stale file locks in the storage
EnsureUnlockRepo(ctx context.Context, param RepoParam) error
// Forget is to delete a snapshot from the repository
Forget(ctx context.Context, snapshotID string, param RepoParam) error
// DefaultMaintenanceFrequency returns the default frequency to run maintenance
DefaultMaintenanceFrequency(ctx context.Context, param RepoParam) time.Duration
}