protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
try
{
while (!stoppingToken.IsCancellationRequested)
{
var keys = (await _keyRepository.FindCreatedBefore(
DateTime.Now.Subtract(TimeSpan.FromMinutes(_config.TimeToLiveInMinutes)),
_config.BatchSize))
.ToList();
foreach (var key in keys)
{
try
{
var elapsed = await Measurements.Timer.MeasureAsync(async() => await _archiver.Save(new Key
{
Body = key.Body,
Id = key.ShortSha
}));
WorkerMeasurements.MeasureTime(_metrics, elapsed);
WorkerMeasurements.MeasureArchiveOccurrence(_metrics);
await _keyRepository.Remove(key.Id);
}
catch (Exception e)
{
WorkerMeasurements.MeasureErrorOccurrence(_metrics);
_logger.LogError(e, "exception caught");
}
if (stoppingToken.IsCancellationRequested)
{
return;
}
}
_logger.LogDebug($"Archived {keys.Count} keys at {DateTime.Now}");
if (stoppingToken.IsCancellationRequested)
{
return;
}
await Task.Delay(TimeSpan.FromSeconds(_config.BatchIntervalInSeconds), stoppingToken);
}
}
catch (NpgsqlException)
{
_logger.LogWarning("db connection issues");
}
catch (OperationCanceledException)
{
// do nothing
}
}
