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https://github.com/vmware-tanzu/velero.git
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Xun Jiang
8bca779270
* Update go.mod * Init CBT service in velero data-mover backup/restore CLI. * Call exeternal-snapshot-metadata's iterator library code to implement the CBT. Signed-off-by: Xun Jiang <xun.jiang@broadcom.com>
49 lines
1.7 KiB
Go
49 lines
1.7 KiB
Go
/*
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Copyright The Velero Contributors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cbtservice
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import (
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"context"
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)
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// Range defines the range of a change
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type Range struct {
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Offset uint64
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Length uint64
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}
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// SourceInfo is the information provided to the uploader, the uploader calls CBT service with this information
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type SourceInfo struct {
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// Snapshot is the identifier of the current snapshot
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Snapshot string
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// ChangeID is the identifier associated to the current snapshot that is used as changeID for following backups
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ChangeID string
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// VolumeID is the identifier uniquely identifier a volume in the storage to which the CBT is associated
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VolumeID string
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}
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// Service defines the methods for CBT service which could be implemented by Kubernetes SnapshotMetadataService or other customized services
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type Service interface {
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// GetAllocatedBlocks enumerates the allocated blocks of the snapshot and call the record callback
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GetAllocatedBlocks(ctx context.Context, snapshot string, record func([]Range) error) error
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// GetChangedBlocks enumerates the changed blocks of the snapshot since PIT of changeID and call the record callback
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GetChangedBlocks(ctx context.Context, snapshot string, changeID string, record func([]Range) error) error
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}
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