/// <summary>
/// Every Watchmen.ScannerContainersPeriodicity seconds lists containers from Blob storage and updates scheduler-assistant.
/// </summary>
/// <returns>A task object.</returns>
public async Task Watch(CancellationToken cancellation)
{
var initialized = false;
while (!cancellation.IsCancellationRequested)
{
try
{
Logger.Information("Scanner Containers watchman is going out.");
try
{
var containers = await this.blobStorage.ListAllContainers();
var metadataTasks = containers
.Select(this.DownloadAndParseMetadata)
.ToArray();
await Task.WhenAll(metadataTasks);
ScannerContainer[] schedulerItems = metadataTasks
.Select(t => t.Result)
.Where(i => i != ScannerContainer.Empty)
.ToArray();
this.scheduler.UpdateWorkingItems(schedulerItems);
if (!initialized)
{
JosekiStateManager.ScannerContainersIsInitialized();
initialized = true;
}
}
catch (Exception ex)
{
Logger.Error(ex, "Scanner Containers watchman failed now, but they comes back later");
}
Logger.Information("Scanner Containers watchman finished the detour.");
await Task.Delay(TimeSpan.FromSeconds(this.config.Watchmen.ScannerContainersPeriodicitySeconds), cancellation);
}
catch (TaskCanceledException ex)
{
Logger.Information(ex, "Scanner Containers watchman was canceled");
}
}
}
/// <summary>
/// Every Watchmen.ArchiverPeriodicityHours hours:
/// - removes expired audits from Archive,
/// - moves processed audits to Archive.
/// </summary>
/// <returns>A task object.</returns>
public async Task Watch(CancellationToken cancellation)
{
var initialized = false;
while (!cancellation.IsCancellationRequested)
{
try
{
Logger.Information("Archiver watchman is going out.");
try
{
// first, delete stale records, then move processed audits to archive
// if the order is opposite - Cleanup task has a bit more work to do
var deleted = await this.blobStorage.CleanupArchive(cancellation);
var archived = await this.blobStorage.MoveProcessedBlobsToArchive(cancellation);
if (!initialized)
{
JosekiStateManager.ArchiverIsInitialized();
initialized = true;
}
Logger.Information("Archiver archived {ArchivedCount} and deleted {DeletedCount} blobs", archived, deleted);
}
catch (Exception ex)
{
Logger.Error(ex, "Archiver watchman failed now, but they comes back tomorrow");
}
Logger.Information("Archiver watchman finished the detour.");
await Task.Delay(TimeSpan.FromHours(this.config.Watchmen.ArchiverPeriodicityHours), cancellation);
}
catch (TaskCanceledException ex)
{
Logger.Information(ex, "Archiver watchman was canceled");
}
}
}
/// <summary>
/// Every Watchmen.InfraScorePeriodicityHours hours forces cache reload.
/// </summary>
/// <returns>A task object.</returns>
public async Task Watch(CancellationToken cancellation)
{
var initialized = false;
while (!cancellation.IsCancellationRequested)
{
try
{
Logger.Information("InfraScoreCache watchman is going out.");
using var scope = this.services.CreateScope();
var cache = scope.ServiceProvider.GetRequiredService <IInfrastructureScoreCache>();
var config = scope.ServiceProvider.GetRequiredService <ConfigurationParser>().Get();
try
{
await cache.ReloadEntireCache();
if (!initialized)
{
JosekiStateManager.ScoreCacheIsInitialized();
initialized = true;
}
}
catch (Exception ex)
{
Logger.Error(ex, "InfraScoreCache watchman failed now, but they comes back later");
}
Logger.Information("InfraScoreCache watchman finished the detour.");
await Task.Delay(TimeSpan.FromHours(config.Watchmen.InfraScorePeriodicityHours), cancellation);
}
catch (TaskCanceledException ex)
{
Logger.Information(ex, "InfraScoreCache watchman was canceled");
}
}
}