/// <inheritdoc/>
public TAWSClient FailOverToSecondaryRegion(Throttle throttle)
{
// Stop timer if no errors
if (throttle.ConsecutiveErrorCount == 0)
{
_secondaryRegionFailoverTimer.Stop();
_secondaryRegionFailoverActivated = false;
}
// Start timer on first error
else if (throttle.ConsecutiveErrorCount > 0 && !_secondaryRegionFailoverTimer.Enabled)
{
_secondaryRegionFailoverTimer.Start();
}
// Failover to Secondary Region if available
// Reaching maximum consecutive error counts or timeout
if (throttle.ConsecutiveErrorCount >= _maxErrorsCountBeforeFailover || _secondaryRegionFailoverActivated)
{
_logger?.LogWarning($"FailoverSink id {Id} max consecutive errors count {throttle.ConsecutiveErrorCount}, trying to fail over to secondary region.");
// Setup client with Secondary Region
var client = _failoverSinkRegionStrategy.GetSecondaryRegionClient();
if (client is not null)
{
// Reset Throttle
throttle.SetSuccess();
_logger?.LogInformation($"FailoverSink id {Id} after reaching max consecutive errors limit to {throttle.ConsecutiveErrorCount}, failed over successfully to secondary region {_failoverSinkRegionStrategy.GetCurrentRegion().Region.SystemName}.");
return(client);
}
else
{
_logger?.LogError($"FailoverSink id {Id} fail over to secondary region unsuccessful, looks like all of secondary regions are currently down.");
}
}
return(null);
}
