private List <TriggerItem> GatherMetricsFromSF()
{
var triggerItems = new List <TriggerItem>();
foreach (var application in _root.Applications)
{
foreach (var service in application.Services)
{
foreach (var partition in service.Partitions)
{
foreach (var replica in partition.Replicas)
{
var triggerItem = new TriggerItem()
{
Application = application,
Service = service,
Partition = partition,
Replica = replica
};
foreach (var metricReport in replica.DeploymentDetails.ReportedLoad)
{
triggerItem.Metrics.Add(new TriggerItemMetric()
{
Name = metricReport.Name,
Value = metricReport.Value,
LastReportedUtc = metricReport.LastReportedUtc
});
}
if (triggerItem.Metrics.Any())
{
triggerItems.Add(triggerItem);
WatchdogEventSource.Current.TriggerItemReceived(triggerItem.ToString());
}
}
}
}
}
return(triggerItems);
}
public void Execute(List <TriggerItem> triggerItems)
{
var filteredTriggerItems = new List <TriggerItem>();
TriggerItem defaultTriggerItem = null;
if (!triggerItems.Any())
{
return;
}
if (TriggerExpression == null)
{
defaultTriggerItem = triggerItems.First();
WatchdogEventSource.Current.RuleFired(this.ToString(defaultTriggerItem), defaultTriggerItem.ToString(), false);
return;
}
if (RuleFilter != null)
{
foreach (var triggerItem in triggerItems)
{
var result = (RuleFilter.Execute(triggerItem) == "1" ? true : false);
if (result)
{
filteredTriggerItems.Add(triggerItem);
}
}
if (!filteredTriggerItems.Any())
{
defaultTriggerItem = triggerItems.First();
_firstTriggered = null;
_triggeringItem = null;
WatchdogEventSource.Current.RuleFired(this.ToString(defaultTriggerItem), defaultTriggerItem.ToString(), false);
return;
}
}
if (AggregateData)
{
filteredTriggerItems = CreateAggregatedData(filteredTriggerItems);
}
foreach (var filteredTriggerItem in filteredTriggerItems)
{
if (TriggerExpression.Execute(filteredTriggerItem) != 0)
{
if (_firstTriggered == null)
{
_firstTriggered = DateTime.UtcNow;
}
_triggeringItem = filteredTriggerItem;
WatchdogEventSource.Current.RuleFired(this.ToString(filteredTriggerItem), filteredTriggerItem.ToString(), true);
return;
}
}
defaultTriggerItem = triggerItems.First();
_firstTriggered = null;
_triggeringItem = null;
WatchdogEventSource.Current.RuleFired(this.ToString(defaultTriggerItem), defaultTriggerItem.ToString(), false);
}
public void ExecuteAction()
{
if (_firstTriggered != null && (DateTime.UtcNow - TriggerPeriod) > _firstTriggered)
{
// make sure no recent action was taken on this
foreach (var actionItem in ActionHistory)
{
if (actionItem.TriggerItem.Application.Properties.ApplicationName == _triggeringItem.Application.Properties.ApplicationName &&
actionItem.TriggerItem.Service.Properties.ServiceName == _triggeringItem.Service.Properties.ServiceName &&
(DateTime.UtcNow - ActionGracePeriod) < actionItem.TimeTriggeredUtc)
{
// we should do any new action yet - we have a grace period
return;
}
}
TriggerAction.Execute(_triggeringItem);
WatchdogEventSource.Current.ActionFired(TriggerAction.GetType().FullName, this.ToString(_triggeringItem), _triggeringItem.ToString());
ActionHistory.Add(new RuleActionItem()
{
TimeTriggeredUtc = DateTime.UtcNow,
TriggerItem = _triggeringItem,
TriggerAction = TriggerAction
});
}
}