protected override IEnumerable <ITelemetry> Transform(IEnumerable <ITelemetry> items)
{
try
{
return(MetricsAggregator.AggregateToEventTelemetry(items));
}
catch (Exception e)
{
_logger?.LogError(0, e, $"{nameof(AppInsightAggMetricSink)}.{nameof(Transform)} Failed");
}
return(null);
}
protected override IList <string> Transform(IEnumerable <ITelemetry> evts)
{
var contentList = new List <string>();
try
{
// Aggregate MetricTelemetry with same Metric "Name"
// ==> returns EventTelemetry which contains Metrics and Properties
var eventTelemetry = MetricsAggregator.AggregateToEventTelemetry(evts);
foreach (var e in eventTelemetry)
{
var me = e as EventTelemetry;
if (me != null)
{
// Build the metric name for Graphite using EventTelemetryProperties
// NOTE: properties are used in default order (specified in config file)
StringBuilder sbMetricName = new StringBuilder();
foreach (var propName in graphiteTelemetryProperties.EventTelemetryProperties)
{
if (sbMetricName.Length > 0)
{
sbMetricName.Append(".");
}
sbMetricName.Append($"{me.GetProperty(propName, propName)}");
}
sbMetricName.Append($".{me.Name}");
var metricName = GraphiteFormat(sbMetricName.ToString());
contentList.Add(GraphiteEntry(metricName, MetricProps.Avg, $"{me.Metrics[MetricProps.Avg]}", me.Timestamp));
contentList.Add(GraphiteEntry(metricName, MetricProps.Min, $"{me.Metrics[MetricProps.Min]}", me.Timestamp));
contentList.Add(GraphiteEntry(metricName, MetricProps.Max, $"{me.Metrics[MetricProps.Max]}", me.Timestamp));
contentList.Add(GraphiteEntry(metricName, MetricProps.Count, $"{me.Metrics[MetricProps.Count]}", me.Timestamp));
contentList.Add(GraphiteEntry(metricName, MetricProps.StdDev, $"{me.Metrics[MetricProps.StdDev]}", me.Timestamp));
contentList.Add(GraphiteEntry(metricName, MetricProps.P50, $"{me.Metrics[MetricProps.P50]}", me.Timestamp));
contentList.Add(GraphiteEntry(metricName, MetricProps.P90, $"{me.Metrics[MetricProps.P90]}", me.Timestamp));
contentList.Add(GraphiteEntry(metricName, MetricProps.P95, $"{me.Metrics[MetricProps.P95]}", me.Timestamp));
contentList.Add(GraphiteEntry(metricName, MetricProps.P99, $"{me.Metrics[MetricProps.P99]}", me.Timestamp));
}
}
}
catch (Exception e)
{
_logger?.LogError(0, e, "AppInsightGraphiteSink.GeContent Failed");
}
return(contentList);
}