protected override async Task RunAsync(CancellationToken cancellationToken)
{
if (this.healthDataService == null)
{
// compose the HealthDataService instance with all the dependencies.
var config = new ServiceConfiguration(this.serviceContext.CodePackageActivationContext, TraceWriter);
var filterRepository = new EntityFilterRepository(config);
var healthClient = new FabricHealthClientWrapper(
TraceWriter,
this.serviceContext.ServiceTypeName,
this.serviceContext.PartitionId,
this.serviceContext.ReplicaId);
var eventWriter = new MonitoringEventWriter();
var metricsEmitter = new MetricsEmitter(config, TraceWriter);
var consumer = new IfxHealthDataConsumer(eventWriter, metricsEmitter);
var producer = new HealthDataProducer(healthClient, consumer, TraceWriter, config, filterRepository);
this.healthDataService = new HealthDataService(producer, TraceWriter, config, filterRepository);
this.TraceInfo("Service.RunAsync: Composed new HealthDataService instance");
}
this.TraceInfo("Service.RunAsync: Invoking HealthDataService.RunAsync");
await this.healthDataService.RunAsync(cancellationToken).ConfigureAwait(false);
}
public void HealthDataService_HandlesExceptions_ThrownBy_GetHealthAsync()
{
var tokenSource = new CancellationTokenSource();
var cancellationToken = tokenSource.Token;
var traceWriterMock = TraceWriterMock.Create_Verifible();
var configData = new ServiceConfigurationData();
var fabricClientMock = new FabricClientMock(cancellationToken, traceWriterMock);
fabricClientMock.Mock
.Setup(mock => mock.DoGetHealthAsync <FabricHealth.ClusterHealth>(
It.IsAny <Func <Task <FabricHealth.ClusterHealth> > >()))
.Throws <TimeoutException>();
var eventWriterMock = new Mock <MonitoringEventWriter>(MockBehavior.Strict);
var metricsEmitterMock = new Mock <MetricsEmitter>(MockBehavior.Strict, configData, traceWriterMock.Object);
var filterRepo = new EntityFilterRepository(configData);
var consumer = new IfxHealthDataConsumer(eventWriterMock.Object, metricsEmitterMock.Object);
var producer = new HealthDataProducer(fabricClientMock.Mock.Object, consumer, traceWriterMock.Object, configData, filterRepo);
Mock <HealthDataService> healthServiceMock = new Mock <HealthDataService>(producer, traceWriterMock.Object, configData, filterRepo)
{
CallBase = true
};
healthServiceMock.Cancel_AfterFirstReadPass(tokenSource, cancellationToken);
healthServiceMock.Object.RunAsync(cancellationToken).Wait(timeout: TimeSpan.FromMilliseconds(300));
}
private void ProcessAsync <TEntityHealth>(
Func <FabricHealthClientWrapper, HealthDataConsumer,
TraceWriterWrapper, ServiceConfigurationData,
EntityFilterRepository, IEntity> getEntity)
where TEntityHealth : FabricHealth.EntityHealth
{
var tokenSource = new CancellationTokenSource();
var cancellationToken = tokenSource.Token;
var traceWriterMock = TraceWriterMock.Create_Verifible();
var configData = new ServiceConfigurationData();
var fabricClientMock = new Mock <FabricHealthClientWrapper>(
traceWriterMock.Object,
"FabricMonitoringServiceType",
Guid.Empty,
1)
{
CallBase = true
};
fabricClientMock
.Setup(mock => mock.DoGetHealthAsync <TEntityHealth>(
It.IsAny <Func <Task <TEntityHealth> > >()))
.Throws <TimeoutException>();
var eventWriterMock = new Mock <MonitoringEventWriter>(MockBehavior.Strict);
var metricsEmitterMock = new Mock <MetricsEmitter>(MockBehavior.Strict, configData, traceWriterMock.Object);
var filterRepo = new EntityFilterRepository(configData);
var consumer = new IfxHealthDataConsumer(eventWriterMock.Object, metricsEmitterMock.Object);
var producer = new HealthDataProducer(fabricClientMock.Object, consumer, traceWriterMock.Object, configData, filterRepo);
IEntity entity = getEntity(fabricClientMock.Object, consumer, traceWriterMock.Object, configData, filterRepo);
var result = entity.ProcessAsync(cancellationToken).GetAwaiter().GetResult();
Assert.IsNotNull(result);
Assert.AreEqual(0, result.Count());
}
public void HealthDataService_InHealthyCluster_LogsHealthToEventSource_AndEmitsMetrics()
{
var tokenSource = new CancellationTokenSource();
var cancellationToken = tokenSource.Token;
var traceWriterMock = TraceWriterMock.Create_TraceWriterMock_ThrowsOnWarningOrError();
var clusterName = "unit-test-cluster";
var configData = new ServiceConfigurationData();
var clusterManagerServicePartitionId = new Guid("00000000-0000-0000-0000-000000000001");
var infraServicePartitionId = new Guid("00000000-0000-0000-0000-000000000002");
var infraServicePartitionId2 = new Guid("00000000-0000-0000-0000-000000000003");
var monsvcPartitionId = new Guid("00000000-0000-0000-0000-000000000004");
var mdsAgentPartitionId = new Guid("00000000-0000-0000-0000-000000000005");
// setup the cluster health data
var clusterNode = new TreeNode(new ClusterHealth(FabricHealth.HealthState.Ok))
{
new TreeNode(new ApplicationHealth(new Uri("fabric:/System"), FabricHealth.HealthState.Ok))
{
new TreeNode(new ServiceHealth(
new Uri("fabric:/System/ClusterManagerService"),
FabricHealth.HealthState.Ok,
this.GetMockServiceHealthEvents("CMSvc"),
new List <FabricHealth.HealthEvaluation>()))
{
new TreeNode(new PartitionHealth(clusterManagerServicePartitionId, FabricHealth.HealthState.Ok))
{
new TreeNode(new ReplicaHealth(clusterManagerServicePartitionId, 1, FabricHealth.HealthState.Ok)),
new TreeNode(new ReplicaHealth(clusterManagerServicePartitionId, 2, FabricHealth.HealthState.Ok))
}
},
new TreeNode(new ServiceHealth(
new Uri("fabric:/System/InfrastructureService"),
FabricHealth.HealthState.Ok,
this.GetMockServiceHealthEvents("InfraSvc"),
new List <FabricHealth.HealthEvaluation>()))
{
new TreeNode(new PartitionHealth(infraServicePartitionId, FabricHealth.HealthState.Ok))
{
new TreeNode(new ReplicaHealth(infraServicePartitionId, 1, FabricHealth.HealthState.Ok)),
new TreeNode(new ReplicaHealth(infraServicePartitionId, 2, FabricHealth.HealthState.Ok))
},
new TreeNode(new PartitionHealth(infraServicePartitionId2, FabricHealth.HealthState.Ok))
{
new TreeNode(new ReplicaHealth(infraServicePartitionId2, 3, FabricHealth.HealthState.Ok)),
new TreeNode(new ReplicaHealth(infraServicePartitionId2, 4, FabricHealth.HealthState.Ok))
}
},
},
new TreeNode(new ApplicationHealth(new Uri("fabric:/Monitoring"), FabricHealth.HealthState.Ok))
{
new TreeNode(new ServiceHealth(new Uri("fabric:/Monitoring/MonitoringService"), FabricHealth.HealthState.Ok))
{
new TreeNode(new PartitionHealth(monsvcPartitionId, FabricHealth.HealthState.Ok))
{
new TreeNode(new ReplicaHealth(monsvcPartitionId, 5, FabricHealth.HealthState.Ok)),
new TreeNode(new ReplicaHealth(monsvcPartitionId, 8, FabricHealth.HealthState.Ok)),
}
},
new TreeNode(new ServiceHealth(new Uri("fabric:/Monitoring/MonitoringAgentService"), FabricHealth.HealthState.Ok))
{
new TreeNode(new PartitionHealth(mdsAgentPartitionId, FabricHealth.HealthState.Ok))
{
new TreeNode(new ReplicaHealth(mdsAgentPartitionId, 1, FabricHealth.HealthState.Ok)),
new TreeNode(new ReplicaHealth(mdsAgentPartitionId, 9, FabricHealth.HealthState.Ok)),
}
},
},
new TreeNode(new NodeHealth("_Node_0", FabricHealth.HealthState.Ok)),
new TreeNode(new NodeHealth("_Node_1", FabricHealth.HealthState.Ok)),
new TreeNode(new NodeHealth("_Node_2", FabricHealth.HealthState.Ok)),
new TreeNode(new NodeHealth("_Node_3", FabricHealth.HealthState.Ok)),
new TreeNode(new NodeHealth("_Node_4", FabricHealth.HealthState.Ok)),
};
var fabricClientMock = new FabricClientMock(cancellationToken, traceWriterMock);
fabricClientMock.Setup(clusterName, clusterNode);
var eventWriterMock = new EventWriterMock();
eventWriterMock.Setup_Assertions(clusterName, clusterNode);
var metricsEmitterMock = new MetricsEmitterMock(traceWriterMock, configData);
metricsEmitterMock.Setup(clusterName, clusterNode);
var filterRepo = new EntityFilterRepository(configData);
var consumer = new IfxHealthDataConsumer(eventWriterMock.Mock.Object, metricsEmitterMock.Mock.Object);
var producer = new HealthDataProducer(fabricClientMock.Mock.Object, consumer, traceWriterMock.Object, configData, filterRepo);
Mock <HealthDataService> healthServiceMock = new Mock <HealthDataService>(producer, traceWriterMock.Object, configData, filterRepo)
{
CallBase = true
};
healthServiceMock.Cancel_AfterFirstReadPass(tokenSource, cancellationToken);
healthServiceMock.Object.RunAsync(cancellationToken).Wait(timeout: TimeSpan.FromMilliseconds(300));
eventWriterMock.Verify_CallCount();
metricsEmitterMock.Verify_CallCount();
}