Kenneth Skovhede
0f81b42146
This PR adds support for locking files if the backend supports it. To activate locking, set the option `--file-lock-duration=30D` and the backup will lock the files. If the database is rebuilt with the intention of continuing the backups, use the option `--repair-refresh-lock-info` which will update lock information in the database after recreating the database. The locking works by asking the backend to lock files after a backup has completed. The implementation keeps track of which files are currently assigned a lock and prevents attempting to delete the files that are currently locked. Note that the bucket should not have a default lock policy as Duplicati needs to finish the backup before the locking is applied. In this initial version, Azure Blob Storage, B2, S3 and iDrive are supported with locking. The CLI is updated to allow setting locks on a specific version. The backend tool is updated to allow setting locks on specific files.
94 lines
4.7 KiB
C#
94 lines
4.7 KiB
C#
// Copyright (C) 2025, The Duplicati Team
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// https://duplicati.com, hello@duplicati.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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using System;
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namespace Duplicati.Library.Main.Database
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{
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/// <summary>
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/// Represents a remote volume entry with its ID, name, hash, size, type, state,
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/// delete grace period, and archive time.
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/// Implements the IRemoteVolume interface.
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/// </summary>
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public struct RemoteVolumeEntry : IRemoteVolume
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{
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/// <summary>
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/// The ID of the remote volume entry.
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/// </summary>
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public long ID { get; private set; }
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public string Name { get; private set; }
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public string Hash { get; private set; }
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public long Size { get; private set; }
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/// <summary>
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/// The type of the remote volume, indicating whether it is a file or a directory.
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/// </summary>
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public RemoteVolumeType Type { get; private set; }
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/// <summary>
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/// The state of the remote volume, indicating its current status.
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/// </summary>
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public RemoteVolumeState State { get; private set; }
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/// <summary>
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/// The time period during which the remote volume can be deleted without permanent loss.
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/// </summary>
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public DateTime DeleteGracePeriod { get; private set; }
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/// <summary>
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/// The time when the remote volume was archived, indicating when it was moved to a less accessible state.
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/// </summary>
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public DateTime ArchiveTime { get; private set; }
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/// <summary>
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/// The time when an object lock expires for this remote volume, if known.
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/// A <c>null</c> value indicates that the expiration time is not known or not set.
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/// </summary>
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public DateTime? LockExpirationTime { get; private set; }
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/// <summary>
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/// Represents an empty remote volume entry with default values.
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/// This is useful for initializing or resetting remote volume entries.
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/// </summary>
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public static readonly RemoteVolumeEntry Empty = new RemoteVolumeEntry(-1, null, null, -1, (RemoteVolumeType)(-1), (RemoteVolumeState)(-1), default, default, null);
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/// <summary>
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/// Initializes a new instance of the RemoteVolumeEntry struct with specified values.
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/// </summary>
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/// <param name="id">The ID of the remote volume entry.</param>
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/// <param name="name">The name of the remote volume entry.</param>
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/// <param name="hash">The hash of the remote volume entry.</param>
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/// <param name="size">The size of the remote volume entry.</param>
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/// <param name="type">The type of the remote volume entry (file or directory).</param>
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/// <param name="state">The state of the remote volume entry.</param>
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/// <param name="deleteGracePeriod">The delete grace period for the remote volume entry.</param>
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/// <param name="archiveTime">The archive time for the remote volume entry.</param>
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/// <param name="lockExpirationTime">The lock expiration time for the remote volume entry, if known.</param>
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public RemoteVolumeEntry(long id, string name, string hash, long size, RemoteVolumeType type, RemoteVolumeState state, DateTime deleteGracePeriod, DateTime archiveTime, DateTime? lockExpirationTime)
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{
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ID = id;
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Name = name;
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Size = size;
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Type = type;
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State = state;
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Hash = hash;
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DeleteGracePeriod = deleteGracePeriod;
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ArchiveTime = archiveTime;
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LockExpirationTime = lockExpirationTime;
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}
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}
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}
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