/// <summary>
/// Method used to write metrics to InfluxDB. This method are not meant to be used externally.
/// </summary>
/// <param name="metrics"></param>
public async Task Update(IEnumerable <Metric> metrics)
{
try
{
var groupedMetrics = metrics.GroupBy(options.DatabaseSelector).ToList();
Logger.Debug($"Metrics will be sent to the following databases: {string.Join(", ", groupedMetrics.Count)}");
foreach (var metricGroup in groupedMetrics)
{
var groupedByRetention = metricGroup.GroupBy(x => options.RetentionPolicySelector(x, metricGroup.Key)).ToList();
Logger.Debug($"Metrics will for '{metricGroup.Key}' will be sent the following retentions polices: {string.Join(", ", groupedByRetention.Count)}");
foreach (var retentionGroup in groupedByRetention)
{
var points = ConvertToPoints(retentionGroup);
await client.WriteAsync(retentionGroup.Key, metricGroup.Key, points).ContinueWith(t => {
if (t.IsFaulted)
{
Logger.Error("Exception while sending metrics to InfluxDB", t.Exception);
}
});
}
}
}
catch (Exception e)
{
Logger.Error("Exception while sending metrics to InfluxDB", e);
}
}
public QueuedInfluxDbProcessor(IInfluxDbClient client, InfluxDbMeasurementMappings dbMappings)
{
Ensure.That(client, nameof(client)).IsNotNull();
Ensure.That(dbMappings, nameof(dbMappings)).IsNotNull();
_worker = Task.Run(async() =>
{
while (!_cancellationTokenSource.IsCancellationRequested)
{
SpinWait.SpinUntil(() => !_queue.IsEmpty);
foreach (var measurement in CheckoutMeasurements())
{
var databaseInfo = dbMappings.GetDbTargetInfoOrDefault(measurement);
await client.WriteAsync(
databaseInfo.DatabaseName,
measurement.Points.ToInfluxPoints(),
databaseInfo.WriteOptions).ForAwait();
}
}
}, _cancellationTokenSource.Token);
}