private void Export()
{
var viewDataList = new List <IViewData>();
foreach (var view in viewManager.AllExportedViews)
{
if (RegisterView(view))
{
var data = viewManager.GetView(view.Name);
viewDataList.Add(data);
}
}
// Add time series from all the views that need exporting
var timeSeriesList = new List <TimeSeries>();
foreach (var viewData in viewDataList)
{
MetricDescriptor metricDescriptor = metricDescriptors[viewData.View];
List <TimeSeries> timeSeries = MetricsConversions.CreateTimeSeriesList(viewData, monitoredResource, metricDescriptor, domain);
timeSeriesList.AddRange(timeSeries);
}
// Perform the operation in batches of MAX_BATCH_EXPORT_SIZE
foreach (IEnumerable <TimeSeries> batchedTimeSeries in timeSeriesList.Partition(MAX_BATCH_EXPORT_SIZE))
{
var request = new CreateTimeSeriesRequest();
request.ProjectName = project;
request.TimeSeries.AddRange(batchedTimeSeries);
try
{
metricServiceClient.CreateTimeSeries(request);
}
catch (RpcException e)
{
ExporterStackdriverEventSource.Log.UnknownProblemWhileCreatingStackdriverTimeSeriesError(e);
}
}
}
private bool RegisterView(IView view)
{
IView existing = null;
if (registeredViews.TryGetValue(view.Name, out existing))
{
// Ignore views that are already registered.
return(existing.Equals(view));
}
registeredViews.Add(view.Name, view);
string metricDescriptorTypeName = GenerateMetricDescriptorTypeName(view.Name, domain);
// TODO - zeltser: don't need to create MetricDescriptor for RpcViewConstants once we defined
// canonical metrics. Registration is required only for custom view definitions. Canonical
// views should be pre-registered.
MetricDescriptor metricDescriptor = MetricsConversions.CreateMetricDescriptor(
metricDescriptorTypeName,
view,
project,
domain,
displayNamePrefix);
if (metricDescriptor == null)
{
// Don't register interval views in this version.
return(false);
}
// Cache metric descriptor and ensure it exists in Stackdriver
if (!metricDescriptors.ContainsKey(view))
{
metricDescriptors.Add(view, metricDescriptor);
}
return(EnsureMetricDescriptorExists(metricDescriptor));
}
