public async Task <MigrationResult> RunMigrationsAsync(CancellationToken cancellationToken = default)
{
if (Migrations.Count == 0)
{
AddMigrationsFromLoadedAssemblies();
}
var migrationsLock = await _lockProvider.AcquireAsync("migration-manager", TimeSpan.FromMinutes(30), TimeSpan.Zero);
if (migrationsLock == null)
{
return(MigrationResult.UnableToAcquireLock);
}
try {
var migrationStatus = await GetMigrationStatus();
if (!migrationStatus.NeedsMigration)
{
return(MigrationResult.Success);
}
foreach (var migrationInfo in migrationStatus.PendingMigrations)
{
if (cancellationToken.IsCancellationRequested)
{
return(MigrationResult.Cancelled);
}
// stuck on non-resumable versioned migration, must be manually fixed
if (migrationInfo.Migration.MigrationType == MigrationType.Versioned && migrationInfo.State != null && migrationInfo.State.StartedUtc > DateTime.MinValue)
{
return(MigrationResult.Failed);
}
await MarkMigrationStartedAsync(migrationInfo).AnyContext();
try {
var context = new MigrationContext(migrationsLock, _loggerFactory.CreateLogger(migrationInfo.Migration.GetType()), cancellationToken);
if (migrationInfo.Migration.MigrationType != MigrationType.Versioned)
{
await Run.WithRetriesAsync <object>(async() => {
await migrationsLock.RenewAsync(TimeSpan.FromMinutes(30));
if (cancellationToken.IsCancellationRequested)
{
return(MigrationResult.Cancelled);
}
await migrationInfo.Migration.RunAsync(context).AnyContext();
return(null);
}, 3, retryInterval : TimeSpan.Zero, cancellationToken : CancellationToken.None, _logger).AnyContext();
}
else
{
await migrationInfo.Migration.RunAsync(context).AnyContext();
}
} catch (Exception ex) {
_logger.LogError(ex, "Failed running migration {Id}", migrationInfo.Migration.GetId());
migrationInfo.State.ErrorMessage = ex.Message;
await _migrationStatusRepository.SaveAsync(migrationInfo.State).AnyContext();
return(MigrationResult.Failed);
}
await MarkMigrationCompleteAsync(migrationInfo).AnyContext();
// renew migration lock
await migrationsLock.RenewAsync(TimeSpan.FromMinutes(30));
}
} finally {
await migrationsLock.ReleaseAsync();
}
return(MigrationResult.Success);
}
public virtual Task RunAsync(MigrationContext context)
{
return(RunAsync());
}
