public static EventTelemetry CreateBaseEventTelemetry(
TelemetryIdentifiers telemetryIdentifiers,
string taskName,
string eventName,
int telBatchesDaily,
int telBatchNumber,
DateTime timestamp)
{
EventTelemetry eventEntity = new EventTelemetry(string.Format("{0}.{1}", taskName, eventName));
try
{
eventEntity.Properties[ClusterIdStr] = telemetryIdentifiers.ClusterId;
eventEntity.Properties[TenantIdStr] = telemetryIdentifiers.TenantId;
eventEntity.Properties[NodeNameHashStr] = telemetryIdentifiers.NodeNameHash;
eventEntity.Properties[TaskNameStr] = taskName;
eventEntity.Properties[EventNameStr] = eventName;
eventEntity.Properties[TimestampStr] = timestamp.ToString();
eventEntity.Metrics[TelBatchesStr] = telBatchesDaily;
eventEntity.Metrics[TelBatchNumberStr] = telBatchNumber;
}
catch (ArgumentOutOfRangeException)
{
// add information about the exception to the event
eventEntity.Properties["DateTimeToStringException"] = "true";
}
return(eventEntity);
}
public TelemetryEtwSink(
ITelemetryWriter telemetryWriter,
string clusterId,
string tenantId,
string clusterType,
string serviceFabricVersion,
string nodeName,
bool isScaleMin,
TelemetryScheduler telemetryScheduler)
{
string clusterDevType = isScaleMin.ToString();
this.telemetryWriter = telemetryWriter;
// creating filter to only aggregate traces which are white-listed
this.telemetryFilter = new TelemetryFilter();
// creating the unique identifier of the cluster/node
this.telemetryIdentifier = new TelemetryIdentifiers(clusterId, tenantId, nodeName);
// getting path to where telemetry will be persisted
Utility.CreateWorkSubDirectory(
Utility.TraceSource,
LogSourceId,
TelemetryWorkSubDirectoryKey,
AggregationPersistenceFolder,
Utility.DcaWorkFolder,
out this.telemetryPersistFilePath);
this.telemetryPersistFilePath = Path.Combine(this.telemetryPersistFilePath, TelemetryEtwSink.TelemetryPersistFileName);
// initializing the collection of telemetry (first it tries to load it from file, if fails an empty collection is created)
bool telCollectionloadedFromDisk;
this.telemetryCollection = TelemetryCollection.LoadOrCreateTelemetryCollection(this.telemetryPersistFilePath, this.telemetryIdentifier, telemetryScheduler.DailyPushes, out telCollectionloadedFromDisk, Utility.TraceSource.WriteError);
// updating the scheduling for sending telemetry based on the persisted (or not persisted) telemetryCollection.
telemetryScheduler.UpdateScheduler(telCollectionloadedFromDisk, this.telemetryCollection.TotalPushes > 0, this.telemetryCollection.PushTime, DateTime.Now.ToLocalTime().TimeOfDay);
this.telemetryCollection.PushTime = telemetryScheduler.PushTime;
// creating environment telemetry and including it in the collection
this.environmentTelemetry = new EnvironmentTelemetry(
clusterType,
serviceFabricVersion,
clusterDevType);
this.telemetryCollection.Aggregate(this.environmentTelemetry);
this.telemetryPerformanceInstrumentation = new TelemetryPerformanceInstrumentation();
this.telemetryCollection.Aggregate(this.telemetryPerformanceInstrumentation);
this.telemetryLock = new object();
Utility.TraceSource.WriteInfo(LogSourceId, "{0}, Initial send telemetry delay of {1} at a frequency of every {2} minutes.", this.telemetryIdentifier, telemetryScheduler.SendDelay, telemetryScheduler.SendInterval.TotalMinutes);
this.telemetrySendTimer = new System.Threading.Timer(this.SendTelemetry, null, telemetryScheduler.SendDelay, telemetryScheduler.SendInterval);
}
private static EventTelemetry ConvertAggregationToTelemetry(TraceAggregationConfig traceAggregationConfig, TraceAggregator traceAggregator, TelemetryIdentifiers telemetryIds, int telBatchesDaily, int telBatchNumber)
{
EventTelemetry eventEntity = AppInsightsTelemetryWriter.CreateBaseEventTelemetry(telemetryIds, traceAggregationConfig.TaskName, traceAggregationConfig.EventName, telBatchesDaily, telBatchNumber, traceAggregator.TraceTimestamp);
Dictionary <string, string> properties;
Dictionary <string, double> metrics;
traceAggregator.CurrentFormattedFieldAggregationsValues(out properties, out metrics);
foreach (var property in properties)
{
eventEntity.Properties[property.Key] = property.Value;
}
foreach (var metric in metrics)
{
eventEntity.Metrics[metric.Key] = metric.Value;
}
return(eventEntity);
}
