private static void StartComponentHost(IComponentHost componentHost, IAsynchronousLogger logger, CancellationTokenSource cancellationTokenSource)
{
componentHost.StartAsync(new StaticComponentHostConfigurationProvider(new List<ComponentConfiguration>
{
new ComponentConfiguration
{
ComponentIdentity = HostableComponentIdentities.LogQueueProcessor,
Instances = 1,
RestartEvaluator = (ex, retryCount) => RestartHandler(ex, retryCount, logger, HostableComponentIdentities.LogQueueProcessor).Result
}
}), cancellationTokenSource);
}
private static async Task<bool> RestartHandler(Exception ex, int retryCount, IAsynchronousLogger logger, IComponentIdentity component)
{
try
{
bool doDelay = retryCount % 5 == 0;
if (doDelay)
{
await
logger.WarningAsync(
$"Error occurred in component {component.FullyQualifiedName}. Restarting in 30 seconds.", ex);
await Task.Delay(TimeSpan.FromSeconds(30));
}
else
{
await logger.WarningAsync($"Error occurred in component {component.FullyQualifiedName}. Restarting immediately.", ex);
}
}
catch (Exception)
{
// swallow any issues
}
return true;
}