public void Start()
{
var config = BackupConfigurationSection.GetSection();
BackupWorker.Start(config);
host = new ServiceHost(typeof(BackupService));
host.Open();
if (config.Cleaner.ElementInformation.IsPresent)
{
cleanerService = new BackupCleanerService {
Period = config.Cleaner.Period
};
cleanerService.Start();
}
if (config.Scheduler.ElementInformation.IsPresent)
{
schedulerService = new BackupSchedulerService {
Period = config.Scheduler.Period
};
schedulerService.Start();
}
deleterTempService = new BackupCleanerTempFileService();
deleterTempService.Start();
}
internal void DeleteExpiredBackups(BackupCleanerService backupCleanerService)
{
log.Debug("started to clean expired backups");
var backupsToRemove = BackupRepository.GetExpiredBackupRecords();
log.DebugFormat("found {0} backups which are expired", backupsToRemove.Count);
if (!backupCleanerService.IsStarted)
{
return;
}
foreach (var scheduledBackups in BackupRepository.GetScheduledBackupRecords().GroupBy(r => r.TenantId))
{
if (!backupCleanerService.IsStarted)
{
return;
}
var schedule = BackupRepository.GetBackupSchedule(scheduledBackups.Key);
if (schedule != null)
{
var scheduledBackupsToRemove = scheduledBackups.OrderByDescending(r => r.CreatedOn).Skip(schedule.BackupsStored).ToList();
if (scheduledBackupsToRemove.Any())
{
log.DebugFormat("only last {0} scheduled backup records are to keep for tenant {1} so {2} records must be removed", schedule.BackupsStored, schedule.TenantId, scheduledBackupsToRemove.Count);
backupsToRemove.AddRange(scheduledBackupsToRemove);
}
}
else
{
backupsToRemove.AddRange(scheduledBackups);
}
}
foreach (var backupRecord in backupsToRemove)
{
if (!backupCleanerService.IsStarted)
{
return;
}
try
{
var backupStorage = BackupStorageFactory.GetBackupStorage(backupRecord);
if (backupStorage == null)
{
continue;
}
backupStorage.Delete(backupRecord.StoragePath);
BackupRepository.DeleteBackupRecord(backupRecord.Id);
}
catch (Exception error)
{
log.Warn("can't remove backup record: {0}", error);
}
}
}
public BackupServiceLauncher(
BackupCleanerService cleanerService,
BackupSchedulerService schedulerService,
BackupWorker backupWorker,
ConfigurationExtension configuration,
BackupListener backupListener,
NotifyConfiguration notifyConfiguration)
{
CleanerService = cleanerService;
SchedulerService = schedulerService;
BackupWorker = backupWorker;
Configuration = configuration;
BackupListener = backupListener;
NotifyConfiguration = notifyConfiguration;
}
public BackupServiceLauncher(
IServiceProvider serviceProvider,
BackupCleanerService cleanerService,
BackupSchedulerService schedulerService,
BackupWorker backupWorker,
IConfiguration configuration,
BackupListener backupListener)
{
ServiceProvider = serviceProvider;
CleanerService = cleanerService;
SchedulerService = schedulerService;
BackupWorker = backupWorker;
Configuration = configuration;
BackupListener = backupListener;
}
public void Stop()
{
BackupWorker.Stop();
if (host != null)
{
host.Close();
host = null;
}
if (cleanerService != null)
{
cleanerService.Stop();
cleanerService = null;
}
if (schedulerService != null)
{
schedulerService.Stop();
schedulerService = null;
}
}