/// <summary> /// Updates the website based on the scale option /// </summary> public WasabiWebState MonitorAndScale() { _timer.Elapsed += (sender, args) => _stateHistory.Add(DateTime.Now, MonitorAndScale()); EnsureManagementCertificate(); // use the certificate to run the client and command var client = new WebsiteClient(SubscriptionId, ManagementCertificate, _engine.WebsiteName); // get the metrics for the timer time period var metrics = client.GetWebsiteMetricsPerInterval(TimeSpan.FromMinutes(_engine.SamplesPeriodInMins)); if (metrics.Count == 0) { return(WasabiWebState.LeaveUnchanged); } var scalePotential = _engine.Scale(Operation, metrics); // with the scale potential we'll need to increase or decrease the instance count if (scalePotential == WasabiWebState.ScaleDown && client.InstanceCount > 1) { client.InstanceCount -= 1; } if (scalePotential == WasabiWebState.ScaleUp && client.InstanceCount < 10) { client.InstanceCount += 1; } client.Update(); // raise the event now if (ScaleUpdate != null) { ScaleUpdate(scalePotential, client.InstanceCount); } return(scalePotential); }
/// <summary> /// Raises the alert event if any of the metrics have been breached in the time period /// </summary> public void MonitorAndAlert() { EnsureManagementCertificate(); // use the certificate to run the client and command var client = new WebsiteClient(SubscriptionId, ManagementCertificate, _engine.WebsiteName); // get the metrics for the timer time period var metrics = client.GetWebsiteMetricsPerInterval(TimeSpan.FromMinutes(_engine.SamplesPeriodInMins)); // enumerate the metrics piece by piece foreach (var metric in metrics) { // check for the metric to ensure it's in the collection otherwise discard it if (_engine[metric.Name] == null) { continue; } var rule = _engine[metric.Name]; if ((metric.Total > rule.IsGreaterThan || metric.Total < rule.IsLessThan) && SubscribeAlerts != null) { SubscribeAlerts(metric, rule); } } }