init
fb2b2eb35d0e79be4eb55596ab5ea044af160d82
3 files changed
BackupMongoDb/BackupMongoDb.csprojBackupMongoDb/Helper.csBackupMongoDb/Program.cs
diff --git a/BackupMongoDb/BackupMongoDb.csproj b/BackupMongoDb/BackupMongoDb.csproj
new file mode 100644
index 0000000..f106e5b
--- /dev/null
+++ b/BackupMongoDb/BackupMongoDb.csproj
@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+ <PropertyGroup>
+ <OutputType>Exe</OutputType>
+ <TargetFramework>net8.0</TargetFramework>
+ <ImplicitUsings>enable</ImplicitUsings>
+ <Nullable>enable</Nullable>
+ </PropertyGroup>
+
+ <ItemGroup>
+ <PackageReference Include="AlphaVSS" Version="2.0.3" />
+ <PackageReference Include="MongoDB.Driver" Version="3.4.0" />
+ </ItemGroup>
+
+</Project>
diff --git a/BackupMongoDb/Helper.cs b/BackupMongoDb/Helper.cs
new file mode 100644
index 0000000..128ff29
--- /dev/null
+++ b/BackupMongoDb/Helper.cs
@@ -0,0 +1,242 @@
+using Alphaleonis.Win32.Vss;
+using MongoDB.Bson;
+using MongoDB.Driver;
+using System.Diagnostics;
+using System.IO.Compression;
+using System.Security.Principal;
+
+namespace BackupMongoDb;
+
+public class Helper
+{
+ // Methode om te controleren of de applicatie als administrator draait
+ private static bool IsRunningAsAdministrator()
+ {
+ try
+ {
+#pragma warning disable CA1416 // Validate platform compatibility
+ using var identity = WindowsIdentity.GetCurrent();
+ var principal = new WindowsPrincipal(identity);
+ return principal.IsInRole(WindowsBuiltInRole.Administrator);
+#pragma warning restore CA1416 // Validate platform compatibility
+ }
+ catch (Exception ex)
+ {
+ Console.WriteLine($"Error checking administrator privileges: {ex.Message}");
+ return false;
+ }
+ }
+
+ private static async Task<bool> ZipFromSnapshotAsync(string sourceDirectory, string zipPath)
+ {
+ IVssFactory? vssFactory = null;
+ IVssBackupComponents? backup = null;
+ try
+ {
+ // Valideer source directory
+ if (!Directory.Exists(sourceDirectory))
+ {
+ Console.WriteLine($"Source directory '{sourceDirectory}' does not exist.");
+ return false;
+ }
+
+ // Zorg ervoor dat de doeldirectory bestaat
+ string? targetDir = Path.GetDirectoryName(zipPath);
+ if (!string.IsNullOrEmpty(targetDir) && !Directory.Exists(targetDir))
+ {
+ Directory.CreateDirectory(targetDir);
+ }
+
+ // Verwijder bestaand ZIP-bestand met foutafhandeling
+ if (File.Exists(zipPath))
+ {
+ try
+ {
+ File.Delete(zipPath);
+ }
+ catch (IOException ex)
+ {
+ Console.WriteLine($"Failed to delete existing ZIP file '{zipPath}': {ex.Message}");
+ return false;
+ }
+ }
+
+ // Initialiseer VSS
+ vssFactory = VssFactoryProvider.Default.GetVssFactory();
+ backup = vssFactory.CreateVssBackupComponents();
+ backup.InitializeForBackup(null);
+ backup.GatherWriterMetadata();
+ backup.SetBackupState(false, true, VssBackupType.Full, false);
+ backup.SetContext(VssSnapshotContext.Backup);
+
+ // Bepaal het volume (bijv. C:\)
+ string volumePath = Path.GetPathRoot(sourceDirectory)?.TrimEnd('\\') ?? throw new ArgumentException("Could not determine volume for source directory.");
+ if (!Directory.Exists(volumePath))
+ {
+ Console.WriteLine($"Volume '{volumePath}' does not exist.");
+ return false;
+ }
+
+ volumePath += '\\';
+
+ // Maak een VSS-snapshot van het volume
+ Console.WriteLine($"Creating VSS snapshot for volume '{volumePath}' to back up directory '{sourceDirectory}'...");
+ Guid setId = backup.StartSnapshotSet();
+ Guid snapshotId = backup.AddToSnapshotSet(volumePath);
+ backup.PrepareForBackup();
+
+ await Task.Run(() => backup.DoSnapshotSet()); // Asynchroon in een Task
+
+ var snapshotProperties = backup.GetSnapshotProperties(snapshotId);
+ var snapshotDevicePath = snapshotProperties.SnapshotDeviceObject;
+ var relativePath = sourceDirectory[volumePath.Length..].TrimStart('\\');
+ var snapshotSourcePath = Path.Combine(snapshotDevicePath, relativePath);
+
+ Console.WriteLine($"VSS snapshot created successfully");
+ // Controleer of het snapshot-pad toegankelijk is
+ if (!Directory.Exists(snapshotSourcePath))
+ {
+ Console.WriteLine($"Snapshot source path '{snapshotSourcePath}' is not accessible.");
+ return false;
+ }
+
+ // Maak ZIP-bestand van alleen de bestanden in de hoofddirectory van de snapshot
+ Console.WriteLine($"Zipping files to '{zipPath}'...");
+ using (var zip = ZipFile.Open(zipPath, ZipArchiveMode.Create))
+ {
+ foreach (string file in Directory.GetFiles(snapshotSourcePath, "*", SearchOption.TopDirectoryOnly))
+ {
+ if (Path.GetExtension(file) == ".lock")
+ continue;
+ string entryName = Path.GetFileName(file); // Alleen bestandsnaam, geen directorystructuur
+ zip.CreateEntryFromFile(file, entryName, CompressionLevel.Optimal);
+ }
+ }
+ Console.WriteLine($"ZIP file created successfully");
+
+ backup.DeleteSnapshotSet(setId, false);
+ Console.WriteLine($"DeleteSnapshotSet successfully");
+
+ return true;
+ }
+ catch (VssException ex)
+ {
+ Console.WriteLine($"VSS error: {ex.Message}");
+ return false;
+ }
+ catch (Exception ex)
+ {
+ Console.WriteLine($"Error zipping '{sourceDirectory}' to '{zipPath}': {ex.Message}");
+ return false;
+ }
+ finally
+ {
+ // Ruim VSS op
+ try
+ {
+ backup?.BackupComplete();
+ }
+ catch (Exception ex)
+ {
+ Console.WriteLine($"Error completing VSS backup: {ex.Message}");
+ }
+ backup?.Dispose();
+ }
+ }
+
+ public static async Task<bool> BackupAsync(string backupDir, string connectionString = "mongodb://localhost:27017")
+ {
+ MongoClient? client;
+ IMongoDatabase? database = null;
+ bool isLocked = false;
+
+ var sw = Stopwatch.StartNew();
+
+ try
+ {
+ // Controleer of de applicatie als administrator draait
+ if (!IsRunningAsAdministrator())
+ {
+ Console.WriteLine("This application must be run as an administrator to create VSS snapshots.");
+ return false;
+ }
+
+ // Valideer backup directory
+ if (string.IsNullOrWhiteSpace(backupDir) || !Directory.Exists(backupDir))
+ {
+ Console.WriteLine($"Backup directory '{backupDir}' is invalid or does not exist.");
+ return false;
+ }
+
+ // Maak MongoDB client en database
+ client = new MongoClient(connectionString);
+ database = client.GetDatabase("admin");
+
+ // Haal de datadirectory op
+ var command = new BsonDocument { { "getCmdLineOpts", 1 } };
+ var result = await database.RunCommandAsync<BsonDocument>(command);
+
+ string? sourceDirectory = result["parsed"]?["storage"]?["dbPath"]?.AsString;
+ if (string.IsNullOrEmpty(sourceDirectory))
+ {
+ Console.WriteLine("Failed to retrieve MongoDB data directory (dbPath).");
+ return false;
+ }
+
+ // Vergrendel de database
+ Console.WriteLine("Locking the database...");
+ var fsyncLockCommand = new BsonDocument { { "fsync", 1 }, { "lock", true } };
+ var lockResult = await database.RunCommandAsync<BsonDocument>(fsyncLockCommand);
+ if (!lockResult.Contains("ok"))
+ {
+ Console.WriteLine("Failed to lock database with fsyncLock.");
+ return false;
+ }
+ isLocked = true;
+
+ // Maak backup van alleen de sourceDirectory via VSS-snapshot
+ Console.WriteLine("Database locked successfully.");
+
+ Console.WriteLine("Performing backup...");
+ string zipFile = Path.Combine(backupDir, $"mongodb_backup_{DateTime.Now:yyyyMMdd_HHmmss}.zip");
+
+ bool zipSuccess = await ZipFromSnapshotAsync(sourceDirectory, zipFile);
+
+ if (!zipSuccess)
+ {
+ Console.WriteLine("Backup failed.");
+ return false;
+ }
+
+ Console.WriteLine($"Backup completed successfully");
+ return true;
+ }
+ catch (Exception ex)
+ {
+ Console.WriteLine($"Backup failed: {ex.Message}");
+ return false;
+ }
+ finally
+ {
+ if (isLocked && database != null)
+ {
+ try
+ {
+ Console.WriteLine("Unlocking the database...");
+ var fsyncUnlockCommand = new BsonDocument { { "fsyncUnlock", 1 } };
+ var unlockResult = await database.RunCommandAsync<BsonDocument>(fsyncUnlockCommand);
+ if (!unlockResult.Contains("ok"))
+ {
+ Console.WriteLine("Failed to unlock database with fsyncLock.");
+ }
+ Console.WriteLine("Database unlocked successfully");
+ Console.WriteLine($"Duration {sw.Elapsed}");
+ }
+ catch (Exception ex)
+ {
+ Console.WriteLine($"Error unlocking database: {ex.Message}");
+ }
+ }
+ }
+ }
+}
diff --git a/BackupMongoDb/Program.cs b/BackupMongoDb/Program.cs
new file mode 100644
index 0000000..b938703
--- /dev/null
+++ b/BackupMongoDb/Program.cs
@@ -0,0 +1,4 @@
+
+using BackupMongoDb;
+
+await Helper.BackupAsync(@"c:\temp");