public async Task ReloadContinuouslyAsync(CancellationToken token)
{
while (!token.IsCancellationRequested)
{
_logger.LogInformation("Trying to reload the auxiliary data.");
TimeSpan delay;
try
{
await _cache.TryLoadAsync(token);
delay = _options.Value.AuxiliaryDataReloadFrequency;
}
catch (Exception ex)
{
_logger.LogError(0, ex, "An exception was thrown while reloading the auxiliary data.");
delay = _options.Value.AuxiliaryDataReloadFailureRetryFrequency;
}
if (token.IsCancellationRequested)
{
return;
}
_logger.LogInformation(
"Waiting {Duration} before attempting to reload the auxiliary data again.",
delay);
await _systemTime.Delay(delay, token);
}
}
public async Task RefreshContinuouslyAsync(CancellationToken token)
{
while (!token.IsCancellationRequested)
{
_logger.LogInformation("Trying to refresh the secrets.");
TimeSpan delay;
try
{
await _factory.RefreshAsync(token);
delay = _options.Value.SecretRefreshFrequency;
LastRefresh = DateTimeOffset.UtcNow;
}
catch (Exception ex)
{
_logger.LogError(0, ex, "An exception was thrown while refreshing the secrets.");
delay = _options.Value.SecretRefreshFailureRetryFrequency;
}
if (token.IsCancellationRequested)
{
return;
}
_logger.LogInformation(
"Waiting {Duration} before attempting to refresh the secrets again.",
delay);
await _systemTime.Delay(delay, token);
}
}
private async Task <int> PushIndexActionsAsync(
ConcurrentBag <IdAndValue <IndexActions> > indexActionsToPush,
Stopwatch timeSinceLastPush)
{
var elapsed = timeSinceLastPush.Elapsed;
if (timeSinceLastPush.IsRunning && elapsed < _options.Value.MinPushPeriod)
{
var timeUntilNextPush = _options.Value.MinPushPeriod - elapsed;
_logger.LogInformation(
"Waiting for {Duration} before continuing.",
timeUntilNextPush);
await _systemTime.Delay(timeUntilNextPush);
}
/// Create a new batch pusher just for this operation. Note that we don't use the internal queue of the
/// batch pusher for more than a single batch because we want to control exactly when batches are pushed to
/// Azure Search so that we can observe the <see cref="Auxiliary2AzureSearchConfiguration.MinPushPeriod"/>
/// configuration property.
var batchPusher = _batchPusherFactory();
_logger.LogInformation(
"Pushing a batch of {IdCount} IDs and {DocumentCount} documents.",
indexActionsToPush.Count,
GetBatchSize(indexActionsToPush));
while (indexActionsToPush.TryTake(out var indexActions))
{
batchPusher.EnqueueIndexActions(indexActions.Id, indexActions.Value);
}
// Note that this method can throw a storage exception if one of the version lists has been modified during
// the execution of this job loop.
await batchPusher.FinishAsync();
// Restart the timer AFTER the push is completed to err on the side of caution.
timeSinceLastPush.Restart();
return(0);
}