private static IStructuredLogger CreateNLogAdapter(OperationContext operationContext, DistributedCacheServiceArguments arguments) { Contract.RequiresNotNull(arguments.Configuration.LoggingSettings); // This is done for performance. See: https://github.com/NLog/NLog/wiki/performance#configure-nlog-to-not-scan-for-assemblies NLog.Config.ConfigurationItemFactory.Default = new NLog.Config.ConfigurationItemFactory(typeof(NLog.ILogger).GetTypeInfo().Assembly); // This is needed for dependency ingestion. See: https://github.com/NLog/NLog/wiki/Dependency-injection-with-NLog // The issue is that we need to construct a log, which requires access to both our config and the host. It // seems too much to put it into the AzureBlobStorageLogTarget itself, so we do it here. var defaultConstructor = NLog.Config.ConfigurationItemFactory.Default.CreateInstance; NLog.Config.ConfigurationItemFactory.Default.CreateInstance = type => { if (type == typeof(AzureBlobStorageLogTarget)) { var log = CreateAzureBlobStorageLogAsync(operationContext, arguments, arguments.Configuration.LoggingSettings.Configuration).Result; var target = new AzureBlobStorageLogTarget(log); return(target); } return(defaultConstructor(type)); }; NLog.Targets.Target.Register <AzureBlobStorageLogTarget>(nameof(AzureBlobStorageLogTarget)); // This is done in order to allow our logging configuration to access key telemetry information. var telemetryFieldsProvider = arguments.TelemetryFieldsProvider; NLog.LayoutRenderers.LayoutRenderer.Register("APEnvironment", _ => telemetryFieldsProvider.APEnvironment); NLog.LayoutRenderers.LayoutRenderer.Register("APCluster", _ => telemetryFieldsProvider.APCluster); NLog.LayoutRenderers.LayoutRenderer.Register("APMachineFunction", _ => telemetryFieldsProvider.APMachineFunction); NLog.LayoutRenderers.LayoutRenderer.Register("MachineName", _ => telemetryFieldsProvider.MachineName); NLog.LayoutRenderers.LayoutRenderer.Register("ServiceName", _ => telemetryFieldsProvider.ServiceName); NLog.LayoutRenderers.LayoutRenderer.Register("ServiceVersion", _ => telemetryFieldsProvider.ServiceVersion); NLog.LayoutRenderers.LayoutRenderer.Register("Stamp", _ => telemetryFieldsProvider.Stamp); NLog.LayoutRenderers.LayoutRenderer.Register("Ring", _ => telemetryFieldsProvider.Ring); NLog.LayoutRenderers.LayoutRenderer.Register("ConfigurationId", _ => telemetryFieldsProvider.ConfigurationId); NLog.LayoutRenderers.LayoutRenderer.Register("CacheVersion", _ => Utilities.Branding.Version); NLog.LayoutRenderers.LayoutRenderer.Register("Role", _ => GlobalInfoStorage.GetGlobalInfo(GlobalInfoKey.LocalLocationStoreRole)); NLog.LayoutRenderers.LayoutRenderer.Register("BuildId", _ => GlobalInfoStorage.GetGlobalInfo(GlobalInfoKey.BuildId)); // Follows ISO8601 without timezone specification. // See: https://kusto.azurewebsites.net/docs/query/scalar-data-types/datetime.html // See: https://docs.microsoft.com/en-us/dotnet/standard/base-types/standard-date-and-time-format-strings?view=netframework-4.8#the-round-trip-o-o-format-specifier var processStartTimeUtc = SystemClock.Instance.UtcNow.ToString("o", System.Globalization.CultureInfo.InvariantCulture); NLog.LayoutRenderers.LayoutRenderer.Register("ProcessStartTimeUtc", _ => processStartTimeUtc); var configuration = new NLog.Config.XmlLoggingConfiguration(arguments.Configuration.LoggingSettings.NLogConfigurationPath); return(new NLogAdapter(operationContext.TracingContext.Logger, configuration)); }
private void LogMachinePerformanceStatistics(OperationContext context) { var machineStatistics = _performanceCollector.GetMachinePerformanceStatistics(); // Tracing a few things as metrics. Tracer.TrackMetric(context, $"MachinePerf_{nameof(machineStatistics.ProcessThreadCount)}", machineStatistics.ProcessThreadCount); Tracer.TrackMetric(context, $"MachinePerf_{nameof(machineStatistics.ThreadPoolWorkerThreads)}", machineStatistics.ThreadPoolWorkerThreads); Tracer.Info(context, "MachinePerformanceStatistics: " + machineStatistics.ToTracingString()); if (GlobalInfoStorage.GetGlobalInfo(GlobalInfoKey.LocalLocationStoreRole) == "Master") { machineStatistics.CollectMetrics((name, value) => { context.TrackMetric(name, value, "CacheMasterPerfStats"); }); } }