public void Run(long samples)
{
if (!System.IO.File.Exists(m_options.Dbpath))
{
throw new UserInformationException(string.Format("Database file does not exist: {0}", m_options.Dbpath), "DatabaseDoesNotExist");
}
using (var db = new LocalTestDatabase(m_options.Dbpath))
using (var backend = new BackendManager(m_backendurl, m_options, m_results.BackendWriter, db))
{
db.SetResult(m_results);
Utility.UpdateOptionsFromDb(db, m_options);
Utility.VerifyParameters(db, m_options);
db.VerifyConsistency(m_options.Blocksize, m_options.BlockhashSize, true, null);
if (!m_options.NoBackendverification)
{
var backupDatabase = new LocalBackupDatabase(db, m_options);
var latestFilelist = backupDatabase.GetTemporaryFilelistVolumeNames(latestOnly: true);
FilelistProcessor.VerifyRemoteList(backend, m_options, db, m_results.BackendWriter, latestFilelist);
}
DoRun(samples, db, backend);
db.WriteResults();
}
}
private void PostBackupVerification()
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupVerify);
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, m_database))
{
using (new Logging.Timer(LOGTAG, "AfterBackupVerify", "AfterBackupVerify"))
FilelistProcessor.VerifyRemoteList(backend, m_options, m_database, m_result.BackendWriter);
backend.WaitForComplete(m_database, null);
}
if (m_options.BackupTestSampleCount > 0 && m_database.GetRemoteVolumes().Count() > 0)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupTest);
m_result.TestResults = new TestResults(m_result);
using (var testdb = new LocalTestDatabase(m_database))
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, testdb))
new TestHandler(m_backendurl, m_options, (TestResults)m_result.TestResults)
.DoRun(m_options.BackupTestSampleCount, testdb, backend);
}
}
public void Run(long samples)
{
if (!System.IO.File.Exists(m_options.Dbpath))
{
throw new Exception(string.Format("Database file does not exist: {0}", m_options.Dbpath));
}
using (var db = new LocalTestDatabase(m_options.Dbpath))
using (var backend = new BackendManager(m_backendurl, m_options, m_results.BackendWriter, db))
{
db.SetResult(m_results);
Utility.VerifyParameters(db, m_options);
if (!m_options.NoBackendverification)
{
FilelistProcessor.VerifyRemoteList(backend, m_options, db, m_results.BackendWriter);
}
DoRun(samples, db, backend);
db.WriteResults();
}
}
private void PostBackupVerification()
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupVerify);
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, m_database))
{
using (new Logging.Timer(LOGTAG, "AfterBackupVerify", "AfterBackupVerify"))
FilelistProcessor.VerifyRemoteList(backend, m_options, m_database, m_result.BackendWriter);
backend.WaitForComplete(m_database, null);
}
long remoteVolumeCount = m_database.GetRemoteVolumes().LongCount(x => x.State == RemoteVolumeState.Verified);
long samplesToTest = Math.Max(m_options.BackupTestSampleCount, (long)Math.Round(remoteVolumeCount * (m_options.BackupTestPercentage / 100D), MidpointRounding.AwayFromZero));
if (samplesToTest > 0 && remoteVolumeCount > 0)
{
m_result.OperationProgressUpdater.UpdatePhase(OperationPhase.Backup_PostBackupTest);
m_result.TestResults = new TestResults(m_result);
using (var testdb = new LocalTestDatabase(m_database))
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, testdb))
new TestHandler(m_backendurl, m_options, (TestResults)m_result.TestResults)
.DoRun(samplesToTest, testdb, backend);
}
}
public void RunRepairRemote()
{
if (!System.IO.File.Exists(m_options.Dbpath))
{
throw new Exception(string.Format("Database file does not exist: {0}", m_options.Dbpath));
}
m_result.OperationProgressUpdater.UpdateProgress(0);
using (var db = new LocalRepairDatabase(m_options.Dbpath))
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
{
m_result.SetDatabase(db);
Utility.VerifyParameters(db, m_options);
var tp = FilelistProcessor.RemoteListAnalysis(backend, m_options, db, m_result.BackendWriter);
var buffer = new byte[m_options.Blocksize];
var blockhasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);
var hashsize = blockhasher.HashSize / 8;
if (blockhasher == null)
{
throw new Exception(Strings.Foresthash.InvalidHashAlgorithm(m_options.BlockHashAlgorithm));
}
if (!blockhasher.CanReuseTransform)
{
throw new Exception(Strings.Foresthash.InvalidCryptoSystem(m_options.BlockHashAlgorithm));
}
var progress = 0;
var targetProgess = tp.ExtraVolumes.Count() + tp.MissingVolumes.Count() + tp.VerificationRequiredVolumes.Count();
if (m_options.Dryrun)
{
if (tp.ParsedVolumes.Count() == 0 && tp.OtherVolumes.Count() > 0)
{
if (tp.BackupPrefixes.Length == 1)
{
throw new Exception(string.Format("Found no backup files with prefix {0}, but files with prefix {1}, did you forget to set the backup-prefix?", m_options.Prefix, tp.BackupPrefixes[0]));
}
else
{
throw new Exception(string.Format("Found no backup files with prefix {0}, but files with prefixes {1}, did you forget to set the backup-prefix?", m_options.Prefix, string.Join(", ", tp.BackupPrefixes)));
}
}
else if (tp.ParsedVolumes.Count() == 0 && tp.ExtraVolumes.Count() > 0)
{
throw new Exception(string.Format("No files were missing, but {0} remote files were, found, did you mean to run recreate-database?", tp.ExtraVolumes.Count()));
}
}
if (tp.ExtraVolumes.Count() > 0 || tp.MissingVolumes.Count() > 0 || tp.VerificationRequiredVolumes.Count() > 0)
{
if (tp.VerificationRequiredVolumes.Any())
{
using (var testdb = new LocalTestDatabase(db))
{
foreach (var n in tp.VerificationRequiredVolumes)
{
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_result.OperationProgressUpdater.UpdateProgress((float)progress / targetProgess);
long size;
string hash;
KeyValuePair <string, IEnumerable <KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> > > res;
using (var tf = backend.GetWithInfo(n.Name, out size, out hash))
res = TestHandler.TestVolumeInternals(testdb, n, tf, m_options, m_result, 1);
if (res.Value.Any())
{
throw new Exception(string.Format("Remote verification failure: {0}", res.Value.First()));
}
if (!m_options.Dryrun)
{
m_result.AddMessage(string.Format("Sucessfully captured hash for {0}, updating database", n.Name));
db.UpdateRemoteVolume(n.Name, RemoteVolumeState.Verified, size, hash);
}
}
catch (Exception ex)
{
m_result.AddError(string.Format("Failed to perform verification for file: {0}, please run verify; message: {1}", n.Name, ex.Message), ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
}
}
// TODO: It is actually possible to use the extra files if we parse them
foreach (var n in tp.ExtraVolumes)
{
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_result.OperationProgressUpdater.UpdateProgress((float)progress / targetProgess);
if (!m_options.Dryrun)
{
db.RegisterRemoteVolume(n.File.Name, n.FileType, RemoteVolumeState.Deleting);
backend.Delete(n.File.Name, n.File.Size);
}
else
{
m_result.AddDryrunMessage(string.Format("would delete file {0}", n.File.Name));
}
}
catch (Exception ex)
{
m_result.AddError(string.Format("Failed to perform cleanup for extra file: {0}, message: {1}", n.File.Name, ex.Message), ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
foreach (var n in tp.MissingVolumes)
{
IDisposable newEntry = null;
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_result.OperationProgressUpdater.UpdateProgress((float)progress / targetProgess);
if (n.Type == RemoteVolumeType.Files)
{
var filesetId = db.GetFilesetIdFromRemotename(n.Name);
var w = new FilesetVolumeWriter(m_options, DateTime.UtcNow);
newEntry = w;
w.SetRemoteFilename(n.Name);
db.WriteFileset(w, null, filesetId);
w.Close();
if (m_options.Dryrun)
{
m_result.AddDryrunMessage(string.Format("would re-upload fileset {0}, with size {1}, previous size {2}", n.Name, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(n.Size)));
}
else
{
db.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
backend.Put(w);
}
}
else if (n.Type == RemoteVolumeType.Index)
{
var w = new IndexVolumeWriter(m_options);
newEntry = w;
w.SetRemoteFilename(n.Name);
foreach (var blockvolume in db.GetBlockVolumesFromIndexName(n.Name))
{
w.StartVolume(blockvolume.Name);
var volumeid = db.GetRemoteVolumeID(blockvolume.Name);
foreach (var b in db.GetBlocks(volumeid))
{
w.AddBlock(b.Hash, b.Size);
}
w.FinishVolume(blockvolume.Hash, blockvolume.Size);
if (m_options.IndexfilePolicy == Options.IndexFileStrategy.Full)
{
foreach (var b in db.GetBlocklists(volumeid, m_options.Blocksize, hashsize))
{
w.WriteBlocklist(b.Item1, b.Item2, 0, b.Item3);
}
}
}
w.Close();
if (m_options.Dryrun)
{
m_result.AddDryrunMessage(string.Format("would re-upload index file {0}, with size {1}, previous size {2}", n.Name, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(n.Size)));
}
else
{
db.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
backend.Put(w);
}
}
else if (n.Type == RemoteVolumeType.Blocks)
{
var w = new BlockVolumeWriter(m_options);
newEntry = w;
w.SetRemoteFilename(n.Name);
using (var mbl = db.CreateBlockList(n.Name))
{
//First we grab all known blocks from local files
foreach (var block in mbl.GetSourceFilesWithBlocks(m_options.Blocksize))
{
var hash = block.Hash;
var size = (int)block.Size;
foreach (var source in block.Sources)
{
var file = source.File;
var offset = source.Offset;
try
{
if (System.IO.File.Exists(file))
{
using (var f = System.IO.File.OpenRead(file))
{
f.Position = offset;
if (size == Library.Utility.Utility.ForceStreamRead(f, buffer, size))
{
var newhash = Convert.ToBase64String(blockhasher.ComputeHash(buffer, 0, size));
if (newhash == hash)
{
if (mbl.SetBlockRestored(hash, size))
{
w.AddBlock(hash, buffer, 0, size, Duplicati.Library.Interface.CompressionHint.Default);
}
break;
}
}
}
}
}
catch (Exception ex)
{
m_result.AddError(string.Format("Failed to access file: {0}", file), ex);
}
}
}
//Then we grab all remote volumes that have the missing blocks
foreach (var vol in new AsyncDownloader(mbl.GetMissingBlockSources().ToList(), backend))
{
try
{
using (var tmpfile = vol.TempFile)
using (var f = new BlockVolumeReader(RestoreHandler.GetCompressionModule(vol.Name), tmpfile, m_options))
foreach (var b in f.Blocks)
{
if (mbl.SetBlockRestored(b.Key, b.Value))
{
if (f.ReadBlock(b.Key, buffer) == b.Value)
{
w.AddBlock(b.Key, buffer, 0, (int)b.Value, Duplicati.Library.Interface.CompressionHint.Default);
}
}
}
}
catch (Exception ex)
{
m_result.AddError(string.Format("Failed to access remote file: {0}", vol.Name), ex);
}
}
// If we managed to recover all blocks, NICE!
var missingBlocks = mbl.GetMissingBlocks().Count();
if (missingBlocks > 0)
{
//TODO: How do we handle this situation?
m_result.AddMessage(string.Format("Repair cannot acquire {0} required blocks for volume {1}, which are required by the following filesets: ", missingBlocks, n.Name));
foreach (var f in mbl.GetFilesetsUsingMissingBlocks())
{
m_result.AddMessage(f.Name);
}
if (!m_options.Dryrun)
{
m_result.AddMessage("This may be fixed by deleting the filesets and running repair again");
throw new Exception(string.Format("Repair not possible, missing {0} blocks!!!", missingBlocks));
}
}
else
{
if (m_options.Dryrun)
{
m_result.AddDryrunMessage(string.Format("would re-upload block file {0}, with size {1}, previous size {2}", n.Name, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(n.Size)));
}
else
{
db.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
backend.Put(w);
}
}
}
}
}
catch (Exception ex)
{
if (newEntry != null)
{
try { newEntry.Dispose(); }
catch { }
finally { newEntry = null; }
}
m_result.AddError(string.Format("Failed to perform cleanup for missing file: {0}, message: {1}", n.Name, ex.Message), ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
}
else
{
m_result.AddMessage("Destination and database are synchronized, not making any changes");
}
m_result.OperationProgressUpdater.UpdateProgress(1);
backend.WaitForComplete(db, null);
db.WriteResults();
}
}
public void DoRun(long samples, LocalTestDatabase db, BackendManager backend)
{
var files = db.SelectTestTargets(samples, m_options).ToList();
m_results.OperationProgressUpdater.UpdatePhase(OperationPhase.Verify_Running);
m_results.OperationProgressUpdater.UpdateProgress(0);
var progress = 0L;
if (m_options.FullRemoteVerification)
{
foreach (var vol in new AsyncDownloader(files, backend))
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_results.OperationProgressUpdater.UpdateProgress((float)progress / files.Count);
KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > > res;
using (var tf = vol.TempFile)
res = TestVolumeInternals(db, vol, tf, m_options, m_results, m_options.FullBlockVerification ? 1.0 : 0.2);
m_results.AddResult(res.Key, res.Value);
db.UpdateVerificationCount(vol.Name);
}
catch (Exception ex)
{
m_results.AddResult(vol.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
m_results.AddError(string.Format("Failed to process file {0}", vol.Name), ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
}
else
{
foreach (var f in files)
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
return;
}
progress++;
m_results.OperationProgressUpdater.UpdateProgress((float)progress / files.Count);
if (f.Size < 0 || string.IsNullOrWhiteSpace(f.Hash))
{
m_results.AddMessage(string.Format("No hash recorded for {0}, performing full verification", f.Name));
KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > > res;
string hash;
long size;
using (var tf = backend.GetWithInfo(f.Name, out size, out hash))
res = TestVolumeInternals(db, f, tf, m_options, m_results, 1);
m_results.AddResult(res.Key, res.Value);
if (res.Value != null && !res.Value.Any() && !string.IsNullOrWhiteSpace(hash))
{
if (!m_options.Dryrun)
{
m_results.AddMessage(string.Format("Sucessfully captured hash for {0}, updating database", f.Name));
db.UpdateRemoteVolume(f.Name, RemoteVolumeState.Verified, size, hash);
}
}
}
else
{
backend.GetForTesting(f.Name, f.Size, f.Hash);
}
db.UpdateVerificationCount(f.Name);
m_results.AddResult(f.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> [0]);
}
catch (Exception ex)
{
m_results.AddResult(f.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
m_results.AddError(string.Format("Failed to process file {0}", f.Name), ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
}
}
/// <summary>
/// Tests the volume by examining the internal contents
/// </summary>
/// <param name="vol">The remote volume being examined</param>
/// <param name="tf">The path to the downloaded copy of the file</param>
/// <param name="sample_percent">A value between 0 and 1 that indicates how many blocks are tested in a dblock file</param>
public static KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > > TestVolumeInternals(LocalTestDatabase db, IRemoteVolume vol, string tf, Options options, ILogWriter log, double sample_percent)
{
var blockhasher = System.Security.Cryptography.HashAlgorithm.Create(options.BlockHashAlgorithm);
if (blockhasher == null)
{
throw new Exception(Strings.Common.InvalidHashAlgorithm(options.BlockHashAlgorithm));
}
if (!blockhasher.CanReuseTransform)
{
throw new Exception(Strings.Common.InvalidCryptoSystem(options.BlockHashAlgorithm));
}
var hashsize = blockhasher.HashSize / 8;
var parsedInfo = Volumes.VolumeBase.ParseFilename(vol.Name);
sample_percent = Math.Min(1, Math.Max(sample_percent, 0.01));
if (parsedInfo.FileType == RemoteVolumeType.Files)
{
//Compare with db and see if all files are accounted for
// with correct file hashes and blocklist hashes
using (var fl = db.CreateFilelist(vol.Name))
{
using (var rd = new Volumes.FilesetVolumeReader(parsedInfo.CompressionModule, tf, options))
foreach (var f in rd.Files)
{
fl.Add(f.Path, f.Size, f.Hash, f.Metasize, f.Metahash, f.BlocklistHashes, f.Type, f.Time);
}
return(new KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > >(vol.Name, fl.Compare().ToList()));
}
}
else if (parsedInfo.FileType == RemoteVolumeType.Index)
{
var blocklinks = new List <Tuple <string, string, long> >();
IEnumerable <KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> > combined = new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> [0];
//Compare with db and see that all hashes and volumes are listed
using (var rd = new Volumes.IndexVolumeReader(parsedInfo.CompressionModule, tf, options, hashsize))
foreach (var v in rd.Volumes)
{
blocklinks.Add(new Tuple <string, string, long>(v.Filename, v.Hash, v.Length));
using (var bl = db.CreateBlocklist(v.Filename))
{
foreach (var h in v.Blocks)
{
bl.AddBlock(h.Key, h.Value);
}
combined = combined.Union(bl.Compare().ToArray());
}
}
using (var il = db.CreateIndexlist(vol.Name))
{
foreach (var t in blocklinks)
{
il.AddBlockLink(t.Item1, t.Item2, t.Item3);
}
combined = combined.Union(il.Compare()).ToList();
}
return(new KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > >(vol.Name, combined.ToList()));
}
else if (parsedInfo.FileType == RemoteVolumeType.Blocks)
{
using (var bl = db.CreateBlocklist(vol.Name))
using (var rd = new Volumes.BlockVolumeReader(parsedInfo.CompressionModule, tf, options))
{
//Verify that all blocks are in the file
foreach (var b in rd.Blocks)
{
bl.AddBlock(b.Key, b.Value);
}
//Select random blocks and verify their hashes match the filename and size
var hashsamples = new List <KeyValuePair <string, long> >(rd.Blocks);
var sampleCount = Math.Min(Math.Max(0, (int)(hashsamples.Count * sample_percent)), hashsamples.Count - 1);
var rnd = new Random();
while (hashsamples.Count > sampleCount)
{
hashsamples.RemoveAt(rnd.Next(hashsamples.Count));
}
var blockbuffer = new byte[options.Blocksize];
var changes = new List <KeyValuePair <Library.Interface.TestEntryStatus, string> >();
foreach (var s in hashsamples)
{
var size = rd.ReadBlock(s.Key, blockbuffer);
if (size != s.Value)
{
changes.Add(new KeyValuePair <Library.Interface.TestEntryStatus, string>(Library.Interface.TestEntryStatus.Modified, s.Key));
}
else
{
var hash = Convert.ToBase64String(blockhasher.ComputeHash(blockbuffer, 0, size));
if (hash != s.Key)
{
changes.Add(new KeyValuePair <Library.Interface.TestEntryStatus, string>(Library.Interface.TestEntryStatus.Modified, s.Key));
}
}
}
return(new KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > >(vol.Name, changes.Union(bl.Compare().ToList())));
}
}
log.AddWarning(string.Format("Unexpected file type {0} for {1}", parsedInfo.FileType, vol.Name), null);
return(new KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > >(vol.Name, null));
}
public void RunRepairRemote()
{
if (!System.IO.File.Exists(m_options.Dbpath))
{
throw new UserInformationException(string.Format("Database file does not exist: {0}", m_options.Dbpath), "RepairDatabaseFileDoesNotExist");
}
m_result.OperationProgressUpdater.UpdateProgress(0);
using (var db = new LocalRepairDatabase(m_options.Dbpath))
using (var backend = new BackendManager(m_backendurl, m_options, m_result.BackendWriter, db))
{
m_result.SetDatabase(db);
Utility.UpdateOptionsFromDb(db, m_options);
Utility.VerifyParameters(db, m_options);
if (db.PartiallyRecreated)
{
throw new UserInformationException("The database was only partially recreated. This database may be incomplete and the repair process is not allowed to alter remote files as that could result in data loss.", "DatabaseIsPartiallyRecreated");
}
if (db.RepairInProgress)
{
throw new UserInformationException("The database was attempted repaired, but the repair did not complete. This database may be incomplete and the repair process is not allowed to alter remote files as that could result in data loss.", "DatabaseIsInRepairState");
}
var tp = FilelistProcessor.RemoteListAnalysis(backend, m_options, db, m_result.BackendWriter, null);
var buffer = new byte[m_options.Blocksize];
var blockhasher = Library.Utility.HashAlgorithmHelper.Create(m_options.BlockHashAlgorithm);
var hashsize = blockhasher.HashSize / 8;
if (blockhasher == null)
{
throw new UserInformationException(Strings.Common.InvalidHashAlgorithm(m_options.BlockHashAlgorithm), "BlockHashAlgorithmNotSupported");
}
if (!blockhasher.CanReuseTransform)
{
throw new UserInformationException(Strings.Common.InvalidCryptoSystem(m_options.BlockHashAlgorithm), "BlockHashAlgorithmNotSupported");
}
var progress = 0;
var targetProgess = tp.ExtraVolumes.Count() + tp.MissingVolumes.Count() + tp.VerificationRequiredVolumes.Count();
if (m_options.Dryrun)
{
if (tp.ParsedVolumes.Count() == 0 && tp.OtherVolumes.Count() > 0)
{
if (tp.BackupPrefixes.Length == 1)
{
throw new UserInformationException(string.Format("Found no backup files with prefix {0}, but files with prefix {1}, did you forget to set the backup prefix?", m_options.Prefix, tp.BackupPrefixes[0]), "RemoteFolderEmptyWithPrefix");
}
else
{
throw new UserInformationException(string.Format("Found no backup files with prefix {0}, but files with prefixes {1}, did you forget to set the backup prefix?", m_options.Prefix, string.Join(", ", tp.BackupPrefixes)), "RemoteFolderEmptyWithPrefix");
}
}
else if (tp.ParsedVolumes.Count() == 0 && tp.ExtraVolumes.Count() > 0)
{
throw new UserInformationException(string.Format("No files were missing, but {0} remote files were, found, did you mean to run recreate-database?", tp.ExtraVolumes.Count()), "NoRemoteFilesMissing");
}
}
if (tp.ExtraVolumes.Count() > 0 || tp.MissingVolumes.Count() > 0 || tp.VerificationRequiredVolumes.Count() > 0)
{
if (tp.VerificationRequiredVolumes.Any())
{
using (var testdb = new LocalTestDatabase(db))
{
foreach (var n in tp.VerificationRequiredVolumes)
{
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_result.OperationProgressUpdater.UpdateProgress((float)progress / targetProgess);
long size;
string hash;
KeyValuePair <string, IEnumerable <KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> > > res;
using (var tf = backend.GetWithInfo(n.Name, out size, out hash))
res = TestHandler.TestVolumeInternals(testdb, n, tf, m_options, 1);
if (res.Value.Any())
{
throw new Exception(string.Format("Remote verification failure: {0}", res.Value.First()));
}
if (!m_options.Dryrun)
{
Logging.Log.WriteInformationMessage(LOGTAG, "CapturedRemoteFileHash", "Sucessfully captured hash for {0}, updating database", n.Name);
db.UpdateRemoteVolume(n.Name, RemoteVolumeState.Verified, size, hash);
}
}
catch (Exception ex)
{
Logging.Log.WriteErrorMessage(LOGTAG, "RemoteFileVerificationError", ex, "Failed to perform verification for file: {0}, please run verify; message: {1}", n.Name, ex.Message);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
}
}
// TODO: It is actually possible to use the extra files if we parse them
foreach (var n in tp.ExtraVolumes)
{
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_result.OperationProgressUpdater.UpdateProgress((float)progress / targetProgess);
// If this is a new index file, we can accept it if it matches our local data
// This makes it possible to augment the remote store with new index data
if (n.FileType == RemoteVolumeType.Index && m_options.IndexfilePolicy != Options.IndexFileStrategy.None)
{
try
{
string hash;
long size;
using (var tf = backend.GetWithInfo(n.File.Name, out size, out hash))
using (var ifr = new IndexVolumeReader(n.CompressionModule, tf, m_options, m_options.BlockhashSize))
{
foreach (var rv in ifr.Volumes)
{
var entry = db.GetRemoteVolume(rv.Filename);
if (entry.ID < 0)
{
throw new Exception(string.Format("Unknown remote file {0} detected", rv.Filename));
}
if (!new [] { RemoteVolumeState.Uploading, RemoteVolumeState.Uploaded, RemoteVolumeState.Verified }.Contains(entry.State))
{
throw new Exception(string.Format("Volume {0} has local state {1}", rv.Filename, entry.State));
}
if (entry.Hash != rv.Hash || entry.Size != rv.Length || !new [] { RemoteVolumeState.Uploading, RemoteVolumeState.Uploaded, RemoteVolumeState.Verified }.Contains(entry.State))
{
throw new Exception(string.Format("Volume {0} hash/size mismatch ({1} - {2}) vs ({3} - {4})", rv.Filename, entry.Hash, entry.Size, rv.Hash, rv.Length));
}
db.CheckAllBlocksAreInVolume(rv.Filename, rv.Blocks);
}
var blocksize = m_options.Blocksize;
foreach (var ixb in ifr.BlockLists)
{
db.CheckBlocklistCorrect(ixb.Hash, ixb.Length, ixb.Blocklist, blocksize, hashsize);
}
var selfid = db.GetRemoteVolumeID(n.File.Name);
foreach (var rv in ifr.Volumes)
{
db.AddIndexBlockLink(selfid, db.GetRemoteVolumeID(rv.Filename), null);
}
}
// All checks fine, we accept the new index file
Logging.Log.WriteInformationMessage(LOGTAG, "AcceptNewIndexFile", "Accepting new index file {0}", n.File.Name);
db.RegisterRemoteVolume(n.File.Name, RemoteVolumeType.Index, size, RemoteVolumeState.Uploading);
db.UpdateRemoteVolume(n.File.Name, RemoteVolumeState.Verified, size, hash);
continue;
}
catch (Exception rex)
{
Logging.Log.WriteErrorMessage(LOGTAG, "FailedNewIndexFile", rex, "Failed to accept new index file: {0}, message: {1}", n.File.Name, rex.Message);
}
}
if (!m_options.Dryrun)
{
db.RegisterRemoteVolume(n.File.Name, n.FileType, n.File.Size, RemoteVolumeState.Deleting);
backend.Delete(n.File.Name, n.File.Size);
}
else
{
Logging.Log.WriteDryrunMessage(LOGTAG, "WouldDeleteFile", "would delete file {0}", n.File.Name);
}
}
catch (Exception ex)
{
Logging.Log.WriteErrorMessage(LOGTAG, "FailedExtraFileCleanup", ex, "Failed to perform cleanup for extra file: {0}, message: {1}", n.File.Name, ex.Message);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
if (!m_options.RebuildMissingDblockFiles)
{
var missingDblocks = tp.MissingVolumes.Where(x => x.Type == RemoteVolumeType.Blocks).ToArray();
if (missingDblocks.Length > 0)
{
throw new UserInformationException($"The backup storage destination is missing data files. You can either enable `--rebuild-missing-dblock-files` or run the purge command to remove these files. The following files are missing: {string.Join(", ", missingDblocks.Select(x => x.Name))}", "MissingDblockFiles");
}
}
foreach (var n in tp.MissingVolumes)
{
IDisposable newEntry = null;
try
{
if (m_result.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
progress++;
m_result.OperationProgressUpdater.UpdateProgress((float)progress / targetProgess);
if (n.Type == RemoteVolumeType.Files)
{
var filesetId = db.GetFilesetIdFromRemotename(n.Name);
var w = new FilesetVolumeWriter(m_options, DateTime.UtcNow);
newEntry = w;
w.SetRemoteFilename(n.Name);
db.WriteFileset(w, filesetId, null);
w.Close();
if (m_options.Dryrun)
{
Logging.Log.WriteDryrunMessage(LOGTAG, "WouldReUploadFileset", "would re-upload fileset {0}, with size {1}, previous size {2}", n.Name, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(n.Size));
}
else
{
db.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
backend.Put(w);
}
}
else if (n.Type == RemoteVolumeType.Index)
{
var w = new IndexVolumeWriter(m_options);
newEntry = w;
w.SetRemoteFilename(n.Name);
var h = Library.Utility.HashAlgorithmHelper.Create(m_options.BlockHashAlgorithm);
foreach (var blockvolume in db.GetBlockVolumesFromIndexName(n.Name))
{
w.StartVolume(blockvolume.Name);
var volumeid = db.GetRemoteVolumeID(blockvolume.Name);
foreach (var b in db.GetBlocks(volumeid))
{
w.AddBlock(b.Hash, b.Size);
}
w.FinishVolume(blockvolume.Hash, blockvolume.Size);
if (m_options.IndexfilePolicy == Options.IndexFileStrategy.Full)
{
foreach (var b in db.GetBlocklists(volumeid, m_options.Blocksize, hashsize))
{
var bh = Convert.ToBase64String(h.ComputeHash(b.Item2, 0, b.Item3));
if (bh != b.Item1)
{
throw new Exception(string.Format("Internal consistency check failed, generated index block has wrong hash, {0} vs {1}", bh, b.Item1));
}
w.WriteBlocklist(b.Item1, b.Item2, 0, b.Item3);
}
}
}
w.Close();
if (m_options.Dryrun)
{
Logging.Log.WriteDryrunMessage(LOGTAG, "WouldReUploadIndexFile", "would re-upload index file {0}, with size {1}, previous size {2}", n.Name, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(n.Size));
}
else
{
db.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
backend.Put(w);
}
}
else if (n.Type == RemoteVolumeType.Blocks)
{
var w = new BlockVolumeWriter(m_options);
newEntry = w;
w.SetRemoteFilename(n.Name);
using (var mbl = db.CreateBlockList(n.Name))
{
//First we grab all known blocks from local files
foreach (var block in mbl.GetSourceFilesWithBlocks(m_options.Blocksize))
{
var hash = block.Hash;
var size = (int)block.Size;
foreach (var source in block.Sources)
{
var file = source.File;
var offset = source.Offset;
try
{
if (System.IO.File.Exists(file))
{
using (var f = System.IO.File.OpenRead(file))
{
f.Position = offset;
if (size == Library.Utility.Utility.ForceStreamRead(f, buffer, size))
{
var newhash = Convert.ToBase64String(blockhasher.ComputeHash(buffer, 0, size));
if (newhash == hash)
{
if (mbl.SetBlockRestored(hash, size))
{
w.AddBlock(hash, buffer, 0, size, Duplicati.Library.Interface.CompressionHint.Default);
}
break;
}
}
}
}
}
catch (Exception ex)
{
Logging.Log.WriteErrorMessage(LOGTAG, "FileAccessError", ex, "Failed to access file: {0}", file);
}
}
}
//Then we grab all remote volumes that have the missing blocks
foreach (var vol in new AsyncDownloader(mbl.GetMissingBlockSources().ToList(), backend))
{
try
{
using (var tmpfile = vol.TempFile)
using (var f = new BlockVolumeReader(RestoreHandler.GetCompressionModule(vol.Name), tmpfile, m_options))
foreach (var b in f.Blocks)
{
if (mbl.SetBlockRestored(b.Key, b.Value))
{
if (f.ReadBlock(b.Key, buffer) == b.Value)
{
w.AddBlock(b.Key, buffer, 0, (int)b.Value, Duplicati.Library.Interface.CompressionHint.Default);
}
}
}
}
catch (Exception ex)
{
Logging.Log.WriteErrorMessage(LOGTAG, "RemoteFileAccessError", ex, "Failed to access remote file: {0}", vol.Name);
}
}
// If we managed to recover all blocks, NICE!
var missingBlocks = mbl.GetMissingBlocks().Count();
if (missingBlocks > 0)
{
Logging.Log.WriteInformationMessage(LOGTAG, "RepairMissingBlocks", "Repair cannot acquire {0} required blocks for volume {1}, which are required by the following filesets: ", missingBlocks, n.Name);
foreach (var f in mbl.GetFilesetsUsingMissingBlocks())
{
Logging.Log.WriteInformationMessage(LOGTAG, "AffectedFilesetName", f.Name);
}
var recoverymsg = string.Format("If you want to continue working with the database, you can use the \"{0}\" and \"{1}\" commands to purge the missing data from the database and the remote storage.", "list-broken-files", "purge-broken-files");
if (!m_options.Dryrun)
{
Logging.Log.WriteInformationMessage(LOGTAG, "RecoverySuggestion", "This may be fixed by deleting the filesets and running repair again");
throw new UserInformationException(string.Format("Repair not possible, missing {0} blocks.\n" + recoverymsg, missingBlocks), "RepairIsNotPossible");
}
else
{
Logging.Log.WriteInformationMessage(LOGTAG, "RecoverySuggestion", recoverymsg);
}
}
else
{
if (m_options.Dryrun)
{
Logging.Log.WriteDryrunMessage(LOGTAG, "WouldReUploadBlockFile", "would re-upload block file {0}, with size {1}, previous size {2}", n.Name, Library.Utility.Utility.FormatSizeString(new System.IO.FileInfo(w.LocalFilename).Length), Library.Utility.Utility.FormatSizeString(n.Size));
}
else
{
db.UpdateRemoteVolume(w.RemoteFilename, RemoteVolumeState.Uploading, -1, null, null);
backend.Put(w);
}
}
}
}
}
catch (Exception ex)
{
if (newEntry != null)
{
try { newEntry.Dispose(); }
catch { }
finally { newEntry = null; }
}
Logging.Log.WriteErrorMessage(LOGTAG, "CleanupMissingFileError", ex, "Failed to perform cleanup for missing file: {0}, message: {1}", n.Name, ex.Message);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
}
else
{
Logging.Log.WriteInformationMessage(LOGTAG, "DatabaseIsSynchronized", "Destination and database are synchronized, not making any changes");
}
m_result.OperationProgressUpdater.UpdateProgress(1);
backend.WaitForComplete(db, null);
db.WriteResults();
}
}
public void DoRun(long samples, LocalTestDatabase db, BackendManager backend)
{
var blockhasher = System.Security.Cryptography.HashAlgorithm.Create(m_options.BlockHashAlgorithm);
if (blockhasher == null)
{
throw new Exception(string.Format(Strings.Foresthash.InvalidHashAlgorithm, m_options.BlockHashAlgorithm));
}
if (!blockhasher.CanReuseTransform)
{
throw new Exception(string.Format(Strings.Foresthash.InvalidCryptoSystem, m_options.BlockHashAlgorithm));
}
var hashsize = blockhasher.HashSize / 8;
var files = db.SelectTestTargets(samples, m_options).ToList();
if (m_options.FullRemoteVerification)
{
foreach (var vol in new AsyncDownloader(files, backend))
{
var parsedInfo = Volumes.VolumeBase.ParseFilename(vol.Name);
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
return;
}
using (var tf = vol.TempFile)
{
if (parsedInfo.FileType == RemoteVolumeType.Files)
{
//Compare with db and see if all files are accounted for
// with correct file hashes and blocklist hashes
using (var fl = db.CreateFilelist(vol.Name))
{
using (var rd = new Volumes.FilesetVolumeReader(parsedInfo.CompressionModule, tf, m_options))
foreach (var f in rd.Files)
{
fl.Add(f.Path, f.Size, f.Hash, f.Metasize, f.Metahash, f.BlocklistHashes, f.Type, f.Time);
}
m_results.AddResult(vol.Name, fl.Compare().ToList());
}
}
else if (parsedInfo.FileType == RemoteVolumeType.Index)
{
var blocklinks = new List <Tuple <string, string, long> >();
IEnumerable <KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> > combined = new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> [0];
//Compare with db and see that all hashes and volumes are listed
using (var rd = new Volumes.IndexVolumeReader(parsedInfo.CompressionModule, tf, m_options, hashsize))
foreach (var v in rd.Volumes)
{
blocklinks.Add(new Tuple <string, string, long>(v.Filename, v.Hash, v.Length));
using (var bl = db.CreateBlocklist(v.Filename))
{
foreach (var h in v.Blocks)
{
bl.AddBlock(h.Key, h.Value);
}
combined = combined.Union(bl.Compare().ToArray());
}
}
using (var il = db.CreateIndexlist(vol.Name))
{
foreach (var t in blocklinks)
{
il.AddBlockLink(t.Item1, t.Item2, t.Item3);
}
combined = combined.Union(il.Compare()).ToList();
}
m_results.AddResult(vol.Name, combined.ToList());
}
else if (parsedInfo.FileType == RemoteVolumeType.Blocks)
{
using (var bl = db.CreateBlocklist(vol.Name))
using (var rd = new Volumes.BlockVolumeReader(parsedInfo.CompressionModule, tf, m_options))
{
//Verify that all blocks are in the file
foreach (var b in rd.Blocks)
{
bl.AddBlock(b.Key, b.Value);
}
//Select 20% random blocks and verify their hashes match the filename and size
var hashsamples = new List <KeyValuePair <string, long> >(rd.Blocks);
var sampleCount = Math.Min(Math.Max(0, (int)(hashsamples.Count * 0.2)), hashsamples.Count - 1);
var rnd = new Random();
while (hashsamples.Count > sampleCount)
{
hashsamples.RemoveAt(rnd.Next(hashsamples.Count));
}
var blockbuffer = new byte[m_options.Blocksize];
var changes = new List <KeyValuePair <Library.Interface.TestEntryStatus, string> >();
foreach (var s in hashsamples)
{
var size = rd.ReadBlock(s.Key, blockbuffer);
if (size != s.Value)
{
changes.Add(new KeyValuePair <Library.Interface.TestEntryStatus, string>(Library.Interface.TestEntryStatus.Modified, s.Key));
}
else
{
var hash = Convert.ToBase64String(blockhasher.ComputeHash(blockbuffer, 0, size));
if (hash != s.Key)
{
changes.Add(new KeyValuePair <Library.Interface.TestEntryStatus, string>(Library.Interface.TestEntryStatus.Modified, s.Key));
}
}
}
m_results.AddResult(vol.Name, changes.Union(bl.Compare().ToList()));
}
}
}
db.UpdateVerificationCount(vol.Name);
}
catch (Exception ex)
{
m_results.AddResult(vol.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
m_results.AddError(string.Format("Failed to process file {0}", vol.Name), ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
}
else
{
foreach (var f in files)
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
return;
}
backend.GetForTesting(f.Name, f.Size, f.Hash);
db.UpdateVerificationCount(f.Name);
m_results.AddResult(f.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> [0]);
}
catch (Exception ex)
{
m_results.AddResult(f.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
m_results.AddError(string.Format("Failed to process file {0}", f.Name), ex);
if (ex is System.Threading.ThreadAbortException)
{
throw;
}
}
}
}
}
public void DoRun(long samples, LocalTestDatabase db, BackendManager backend)
{
var files = db.SelectTestTargets(samples, m_options).ToList();
m_results.OperationProgressUpdater.UpdatePhase(OperationPhase.Verify_Running);
m_results.OperationProgressUpdater.UpdateProgress(0);
var progress = 0L;
if (m_options.FullRemoteVerification)
{
foreach (var vol in new AsyncDownloader(files, backend))
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
backend.WaitForComplete(db, null);
m_results.EndTime = DateTime.UtcNow;
return;
}
progress++;
m_results.OperationProgressUpdater.UpdateProgress((float)progress / files.Count);
KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > > res;
using (var tf = vol.TempFile)
res = TestVolumeInternals(db, vol, tf, m_options, m_options.FullBlockVerification ? 1.0 : 0.2);
m_results.AddResult(res.Key, res.Value);
if (!string.IsNullOrWhiteSpace(vol.Hash) && vol.Size > 0)
{
if (res.Value == null || !res.Value.Any())
{
var rv = db.GetRemoteVolume(vol.Name, null);
if (rv.ID < 0)
{
if (string.IsNullOrWhiteSpace(rv.Hash) || rv.Size <= 0)
{
if (m_options.Dryrun)
{
Logging.Log.WriteDryrunMessage(LOGTAG, "CaptureHashAndSize", "Sucessfully captured hash and size for {0}, would update database", vol.Name);
}
else
{
Logging.Log.WriteInformationMessage(LOGTAG, "CaptureHashAndSize", "Sucessfully captured hash and size for {0}, updating database", vol.Name);
db.UpdateRemoteVolume(vol.Name, RemoteVolumeState.Verified, vol.Size, vol.Hash);
}
}
}
}
}
db.UpdateVerificationCount(vol.Name);
}
catch (Exception ex)
{
m_results.AddResult(vol.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
Logging.Log.WriteErrorMessage(LOGTAG, "RemoteFileProcessingFailed", ex, "Failed to process file {0}", vol.Name);
if (ex is System.Threading.ThreadAbortException)
{
m_results.EndTime = DateTime.UtcNow;
throw;
}
}
}
}
else
{
foreach (var f in files)
{
try
{
if (m_results.TaskControlRendevouz() == TaskControlState.Stop)
{
m_results.EndTime = DateTime.UtcNow;
return;
}
progress++;
m_results.OperationProgressUpdater.UpdateProgress((float)progress / files.Count);
if (f.Size <= 0 || string.IsNullOrWhiteSpace(f.Hash))
{
Logging.Log.WriteInformationMessage(LOGTAG, "MissingRemoteHash", "No hash or size recorded for {0}, performing full verification", f.Name);
KeyValuePair <string, IEnumerable <KeyValuePair <TestEntryStatus, string> > > res;
string hash;
long size;
using (var tf = backend.GetWithInfo(f.Name, out size, out hash))
res = TestVolumeInternals(db, f, tf, m_options, 1);
m_results.AddResult(res.Key, res.Value);
if (!string.IsNullOrWhiteSpace(hash) && size > 0)
{
if (res.Value == null || !res.Value.Any())
{
if (m_options.Dryrun)
{
Logging.Log.WriteDryrunMessage(LOGTAG, "CapturedHashAndSize", "Sucessfully captured hash and size for {0}, would update database", f.Name);
}
else
{
Logging.Log.WriteInformationMessage(LOGTAG, "CapturedHashAndSize", "Sucessfully captured hash and size for {0}, updating database", f.Name);
db.UpdateRemoteVolume(f.Name, RemoteVolumeState.Verified, size, hash);
}
}
}
}
else
{
backend.GetForTesting(f.Name, f.Size, f.Hash);
}
db.UpdateVerificationCount(f.Name);
m_results.AddResult(f.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string> [0]);
}
catch (Exception ex)
{
m_results.AddResult(f.Name, new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>[] { new KeyValuePair <Duplicati.Library.Interface.TestEntryStatus, string>(Duplicati.Library.Interface.TestEntryStatus.Error, ex.Message) });
Logging.Log.WriteErrorMessage(LOGTAG, "FailedToProcessFile", ex, "Failed to process file {0}", f.Name);
if (ex is System.Threading.ThreadAbortException)
{
m_results.EndTime = DateTime.UtcNow;
throw;
}
}
}
}
m_results.EndTime = DateTime.UtcNow;
}
