static DiagramApiController CreateConroller(ProcessingTimeStore processingTimeStore, EndpointRegistry endpointRegistry)
{
var criticalTimeStore = new CriticalTimeStore();
var retriesStore = new RetriesStore();
var queueLengthStore = new QueueLengthStore();
var settings = new Settings
{
EndpointUptimeGracePeriod = TimeSpan.FromMinutes(5)
};
var activityTracker = new EndpointInstanceActivityTracker(settings);
var messageTypeRegistry = new MessageTypeRegistry();
var breakdownProviders = new IProvideBreakdown[]
{
processingTimeStore,
criticalTimeStore,
retriesStore,
queueLengthStore
};
var controller = new DiagramApiController(breakdownProviders, endpointRegistry, activityTracker, messageTypeRegistry)
{
Request = new HttpRequestMessage(HttpMethod.Get, "http://localhost/monitored-endpoint")
};
return(controller);
}
public new void Setup()
{
endpointRegistry = new EndpointRegistry();
criticalTimeStore = new CriticalTimeStore();
processingTimeStore = new ProcessingTimeStore();
retriesStore = new RetriesStore();
queueLengthProvider = new FakeQueueLengthProvider();
queueLengthStore = new QueueLengthStore();
queueLengthProvider.Initialize(string.Empty, (entryDtos, dto) => queueLengthStore.Store(entryDtos.Select(e => ToEntry(e)).ToArray(), ToEndpointInputQueue(dto)));
var settings = new Settings {
EndpointUptimeGracePeriod = TimeSpan.FromMinutes(5)
};
activityTracker = new EndpointInstanceActivityTracker(settings);
messageTypeRegistry = new MessageTypeRegistry();
var breakdownProviders = new IProvideBreakdown[]
{
criticalTimeStore,
processingTimeStore,
retriesStore,
queueLengthStore
};
var controller = new DiagramApiController(breakdownProviders, endpointRegistry, activityTracker, messageTypeRegistry)
{
Request = new HttpRequestMessage(HttpMethod.Get, "http://localhost/monitored-endpoint")
};
GetMonitoredEndpoints = () => controller.GetAllEndpointsMetrics();
GetMonitoredSingleEndpoint = endpointName => controller.GetSingleEndpointMetrics(endpointName);
}
static Func <dynamic, CancellationToken, Task <dynamic> > CreateQuery(ProcessingTimeStore processingTimeStore, EndpointRegistry endpointRegistry)
{
var criticalTimeStore = new CriticalTimeStore();
var retriesStore = new RetriesStore();
var queueLengthStore = new QueueLengthStore();
var settings = new Settings
{
EndpointUptimeGracePeriod = TimeSpan.FromMinutes(5)
};
var activityTracker = new EndpointInstanceActivityTracker(settings);
var messageTypeRegistry = new MessageTypeRegistry();
var breakdownProviders = new IProvideBreakdown[]
{
processingTimeStore,
criticalTimeStore,
retriesStore,
queueLengthStore
};
var monitoredEndpointsModule = new MonitoredEndpointsModule(breakdownProviders, endpointRegistry, activityTracker, messageTypeRegistry)
{
Context = new NancyContext()
{
Request = new Request("Get", "/monitored-endpoints/{endpointName}", "HTTP")
}
};
var queryAction = monitoredEndpointsModule.Routes.Single(r => r.Description.Path == "/monitored-endpoints/{endpointName}").Action;
return(queryAction);
}
public void Setup()
{
var settings = new Settings()
{
EndpointUptimeGracePeriod = TimeSpan.FromMinutes(5)
};
tracker = new EndpointInstanceActivityTracker(settings);
}
public void Setup()
{
endpointRegistry = new EndpointRegistry();
criticalTimeStore = new CriticalTimeStore();
processingTimeStore = new ProcessingTimeStore();
retriesStore = new RetriesStore();
queueLengthProvider = new DefaultQueueLengthProvider();
queueLengthStore = new QueueLengthStore();
queueLengthProvider.Initialize(string.Empty, queueLengthStore);
var settings = new Settings {
EndpointUptimeGracePeriod = TimeSpan.FromMinutes(5)
};
activityTracker = new EndpointInstanceActivityTracker(settings);
messageTypeRegistry = new MessageTypeRegistry();
var breakdownProviders = new IProvideBreakdown[]
{
criticalTimeStore,
processingTimeStore,
retriesStore,
queueLengthStore
};
var monitoredEndpointsModule = new MonitoredEndpointsModule(breakdownProviders, endpointRegistry, activityTracker, messageTypeRegistry)
{
Context = new NancyContext()
{
Request = new Request("Get", "/monitored-endpoints", "HTTP")
}
};
var dictionary = monitoredEndpointsModule.Routes.ToDictionary(r => r.Description.Path, r => r.Action);
GetMonitoredEndpoints = () => dictionary["/monitored-endpoints"](new object(), new CancellationToken(false));
GetMonitoredSingleEndpoint = endpointName => dictionary["/monitored-endpoints/{endpointName}"](new { EndpointName = endpointName }.ToDynamic(), new CancellationToken());
}
public void Setup()
{
settings = new Settings {
EndpointUptimeGracePeriod = TimeSpan.FromMinutes(5)
};
activityTracker = new EndpointInstanceActivityTracker(settings);
processingTimeStore = new ProcessingTimeStore();
endpointRegistry = new EndpointRegistry();
var messageTypeRegistry = new MessageTypeRegistry();
var breakdownProviders = new IProvideBreakdown[]
{
processingTimeStore,
new CriticalTimeStore(),
new RetriesStore(),
new QueueLengthStore()
};
apiController = new DiagramApiController(breakdownProviders, endpointRegistry, activityTracker, messageTypeRegistry)
{
Request = new HttpRequestMessage(HttpMethod.Get, "http://localhost/monitored-endpoint")
};
}
static MonitoredEndpoint[] GetMonitoredEndpoints(EndpointRegistry endpointRegistry, EndpointInstanceActivityTracker activityTracker)
{
return(endpointRegistry.GetGroupedByEndpointName()
.Select(endpoint => new MonitoredEndpoint
{
Name = endpoint.Key,
EndpointInstanceIds = endpoint.Value.Select(i => i.InstanceId).ToArray(),
IsStale = endpoint.Value.Any(activityTracker.IsStale)
})
.ToArray());
}
static MonitoredEndpointInstance[] GetMonitoredEndpointInstances(EndpointRegistry endpointRegistry, string endpointName, EndpointInstanceActivityTracker activityTracker)
{
return(endpointRegistry.GetForEndpointName(endpointName)
.Select(endpointInstance => new MonitoredEndpointInstance
{
Id = endpointInstance.InstanceId,
Name = endpointInstance.InstanceName,
IsStale = activityTracker.IsStale(endpointInstance)
}).ToArray());
}
public DiagramApiController(IProvideBreakdown[] breakdownProviders, EndpointRegistry endpointRegistry, EndpointInstanceActivityTracker activityTracker, MessageTypeRegistry messageTypeRegistry)
{
this.breakdownProviders = breakdownProviders;
this.endpointRegistry = endpointRegistry;
this.activityTracker = activityTracker;
this.messageTypeRegistry = messageTypeRegistry;
}
/// <summary>
/// Initializes the metric API module.
/// </summary>
public MonitoredEndpointsModule(IProvideBreakdown[] breakdownProviders, EndpointRegistry endpointRegistry, EndpointInstanceActivityTracker activityTracker, MessageTypeRegistry messageTypeRegistry)
{
var metricByInstanceLookup = breakdownProviders.OfType <IProvideBreakdownBy <EndpointInstanceId> >().ToDictionary(i => i.GetType());
var metricByQueueLookup = breakdownProviders.OfType <IProvideBreakdownBy <EndpointInputQueue> >().ToDictionary(i => i.GetType());
var metricByMessageTypeLookup = breakdownProviders.OfType <IProvideBreakdownBy <EndpointMessageType> >().ToDictionary(i => i.GetType());
var instanceMetrics = new[]
{
CreateMetric <EndpointInstanceId, ProcessingTimeStore>("ProcessingTime", Aggregator.ToAverages),
CreateMetric <EndpointInstanceId, CriticalTimeStore>("CriticalTime", Aggregator.ToAverages),
CreateMetric <EndpointInstanceId, RetriesStore>("Retries", Aggregator.ToTotalMeasurementsPerSecond),
CreateMetric <EndpointInstanceId, ProcessingTimeStore>("Throughput", Aggregator.ToTotalMeasurementsPerSecond)
};
var queueMetrics = new[]
{
CreateMetric <EndpointInputQueue, QueueLengthStore>("QueueLength", Aggregator.ToRoundedSumOfBreakdownAverages)
};
var messageTypeMetrics = new[]
{
CreateMetric <EndpointMessageType, ProcessingTimeStore>("ProcessingTime", Aggregator.ToAverages),
CreateMetric <EndpointMessageType, CriticalTimeStore>("CriticalTime", Aggregator.ToAverages),
CreateMetric <EndpointMessageType, RetriesStore>("Retries", Aggregator.ToTotalMeasurementsPerSecond),
CreateMetric <EndpointMessageType, ProcessingTimeStore>("Throughput", Aggregator.ToTotalMeasurementsPerSecond)
};
var detailedMetrics = new HashSet <string>
{
"Throughput",
"QueueLength",
"ProcessingTime",
"CriticalTime",
"Retries"
};
Get["/monitored-endpoints"] = parameters =>
{
var endpoints = GetMonitoredEndpoints(endpointRegistry, activityTracker);
var period = ExtractHistoryPeriod();
foreach (var metric in instanceMetrics)
{
var store = metricByInstanceLookup[metric.StoreType];
var intervals = store.GetIntervals(period, DateTime.UtcNow).ToLookup(k => k.Id.EndpointName);
foreach (var endpoint in endpoints)
{
var values = metric.Aggregate(intervals[endpoint.Name].ToList(), period);
endpoint.Metrics.Add(metric.ReturnName, values);
}
}
foreach (var metric in queueMetrics)
{
var store = metricByQueueLookup[metric.StoreType];
var intervals = store.GetIntervals(period, DateTime.UtcNow).ToLookup(k => k.Id.EndpointName);
foreach (var endpoint in endpoints)
{
var values = metric.Aggregate(intervals[endpoint.Name].ToList(), period);
endpoint.Metrics.Add(metric.ReturnName, values);
}
}
return(Negotiate.WithModel(endpoints));
};
Get["/monitored-endpoints/{endpointName}"] = parameters =>
{
var endpointName = (string)parameters.EndpointName;
var period = ExtractHistoryPeriod();
var instances = GetMonitoredEndpointInstances(endpointRegistry, endpointName, activityTracker);
var digest = new MonitoredEndpointDigest();
var metricDetails = new MonitoredEndpointMetricDetails();
foreach (var metric in instanceMetrics)
{
var store = metricByInstanceLookup[metric.StoreType];
var intervals = store.GetIntervals(period, DateTime.UtcNow);
var intervalsByEndpoint = intervals.ToLookup(k => k.Id.EndpointName);
var endpointValues = metric.Aggregate(intervalsByEndpoint[endpointName].ToList(), period);
if (detailedMetrics.Contains(metric.ReturnName))
{
var details = new MonitoredValuesWithTimings
{
Points = endpointValues.Points,
Average = endpointValues.Average,
TimeAxisValues = GetTimeAxisValues(intervalsByEndpoint[endpointName])
};
metricDetails.Metrics.Add(metric.ReturnName, details);
}
var metricDigest = new MonitoredEndpointMetricDigest
{
Latest = endpointValues.Points.LastOrDefault(),
Average = endpointValues.Average
};
digest.Metrics.Add(metric.ReturnName, metricDigest);
var intervalsByInstanceId = intervals.ToLookup(k => k.Id);
foreach (var instance in instances)
{
var instanceId = new EndpointInstanceId(endpointName, instance.Id, instance.Name);
var instanceValues = metric.Aggregate(intervalsByInstanceId[instanceId].ToList(), period);
instance.Metrics.Add(metric.ReturnName, instanceValues);
}
}
foreach (var metric in queueMetrics)
{
var store = metricByQueueLookup[metric.StoreType];
var intervals = store.GetIntervals(period, DateTime.UtcNow);
var intervalsByEndpoint = intervals.ToLookup(k => k.Id.EndpointName);
var endpointValues = metric.Aggregate(intervalsByEndpoint[endpointName].ToList(), period);
if (detailedMetrics.Contains(metric.ReturnName))
{
var details = new MonitoredValuesWithTimings
{
Points = endpointValues.Points,
Average = endpointValues.Average,
TimeAxisValues = GetTimeAxisValues(intervalsByEndpoint[endpointName])
};
metricDetails.Metrics.Add(metric.ReturnName, details);
}
var metricDigest = new MonitoredEndpointMetricDigest
{
Latest = endpointValues.Points.LastOrDefault(),
Average = endpointValues.Average
};
digest.Metrics.Add(metric.ReturnName, metricDigest);
}
var messageTypes = GetMonitoredMessageTypes(messageTypeRegistry.GetForEndpointName(endpointName));
foreach (var metric in messageTypeMetrics)
{
var store = metricByMessageTypeLookup[metric.StoreType];
var intervals = store.GetIntervals(period, DateTime.UtcNow).ToLookup(k => k.Id);
foreach (var messageType in messageTypes)
{
var values = metric.Aggregate(intervals[new EndpointMessageType(endpointName, messageType.Id)].ToList(), period);
messageType.Metrics.Add(metric.ReturnName, values);
}
}
var data = new MonitoredEndpointDetails
{
Digest = digest,
Instances = instances,
MessageTypes = messageTypes,
MetricDetails = metricDetails
};
return(Negotiate.WithModel(data));
};
}
