private FabricTestAction GetRemoveReplicaAction(ReplicaStateTransitionAction ragAction)
{
Uri serviceUri = ragAction.ServiceUri;
Guid guid = ragAction.PartitionId;
long replicaId = ragAction.ReplicaId;
string report = StringHelper.Format("Generating Action: {0}\n\t\tService: {1}\n\t\tPartition: {2}\n\t\tReplicaId: {3}", ragAction.ActionType, ragAction.ServiceUri, ragAction.PartitionId, ragAction.ReplicaId);
// Select specific replica using ReplicaSelector.
ReplicaSelector replicaSelector = ReplicaSelector.ReplicaIdOf(PartitionSelector.PartitionIdOf(serviceUri, guid), replicaId);
RemoveReplicaAction restartReplicaAction = new RemoveReplicaAction(replicaSelector);
return(restartReplicaAction);
}
private void KillPrimaryReplica()
{
// Kill the primary
Application application =
_fabricClient.QueryManager.GetApplicationListAsync()
.Result.Single(a => a.ApplicationTypeName == DefaultApplicationTypeName);
Service service =
_fabricClient.QueryManager.GetServiceListAsync(application.ApplicationName).Result.Single();
Partition partition =
_fabricClient.QueryManager.GetPartitionListAsync(service.ServiceName).Result.Single();
StatefulServiceReplica primaryReplica =
_fabricClient.QueryManager.GetReplicaListAsync(partition.PartitionInformation.Id)
.Result.Select(replica => replica as StatefulServiceReplica)
.Single(statefulServiceReplica => statefulServiceReplica.ReplicaRole == ReplicaRole.Primary);
LogHelper.Log("Killing the primary replica at node {0}", primaryReplica.NodeName);
ReplicaSelector replicaSelector = ReplicaSelector.ReplicaIdOf(PartitionSelector.PartitionIdOf(service.ServiceName, partition.PartitionInformation.Id), primaryReplica.Id);
_fabricClient.FaultManager.RemoveReplicaAsync(replicaSelector, CompletionMode.DoNotVerify, false);
}
public static ReplicaSelector GetExpectedReplicaSelector(ParitionSelectorTestHelper.PartitionCase partitionCase, ReplicaCase replicaCase)
{
ReplicaSelector result = null;
PartitionSelector partitionSelector = ParitionSelectorTestHelper.GetExpectedPartitionSelector(partitionCase);
switch (replicaCase)
{
case ReplicaCase.ReplicaPrimary:
{
result = ReplicaSelector.PrimaryOf(partitionSelector);
break;
}
case ReplicaCase.ReplicaRandomSecondary:
{
result = ReplicaSelector.RandomSecondaryOf(partitionSelector);
break;
}
case ReplicaCase.ReplicaId:
{
result = ReplicaSelector.ReplicaIdOf(partitionSelector, replicaInstance.Value);
break;
}
case ReplicaCase.ReplicaId_NoValue:
{
result = ReplicaSelector.ReplicaIdOf(partitionSelector, 0);
break;
}
case ReplicaCase.ReplicaRandom:
{
result = ReplicaSelector.RandomOf(partitionSelector);
break;
}
}
return(result);
}
public override async Task <ActionStateBase> RunAsync(CancellationToken cancellationToken, ServiceInternalFaultInfo serviceInternalFaultInfo)
{
InvokeQuorumLossState state = Convert(this.State);
Guid partitionId = state.Info.PartitionId;
List <Tuple <string, string> > unreliableTransportInfo = state.Info.UnreliableTransportInfo;
List <long> targetReplicas = state.Info.ReplicaIds;
var unreliableTransportTaskList = new List <Task>();
List <Tuple <string, string> > unreliableTransportInfoList = new List <Tuple <string, string> >();
foreach (Tuple <string, string> ut in unreliableTransportInfo)
{
string nodeName = ut.Item1;
string behaviorName = ut.Item2;
System.Fabric.Common.UnreliableTransportBehavior behavior = new System.Fabric.Common.UnreliableTransportBehavior("*", "StatefulServiceReopen");
behavior.AddFilterForPartitionId(partitionId);
TestabilityTrace.TraceSource.WriteInfo(StepBase.TraceType, "{0} - applying '{1}'", this.State.OperationId, behaviorName);
unreliableTransportTaskList.Add(FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
() => this.FabricClient.TestManager.AddUnreliableTransportBehaviorAsync(
nodeName,
behaviorName,
behavior,
this.RequestTimeout,
cancellationToken),
this.OperationTimeout,
cancellationToken));
}
await Task.WhenAll(unreliableTransportTaskList).ConfigureAwait(false);
// Bug#2271465 - Unreliable transport through API should return only once the behavior has been successfully applied
await Task.Delay(TimeSpan.FromSeconds(5.0), cancellationToken).ConfigureAwait(false);
List <Task> tasks = new List <Task>();
foreach (long replicaId in targetReplicas)
{
ReplicaSelector replicaSelector = ReplicaSelector.ReplicaIdOf(PartitionSelector.PartitionIdOf(this.partitionSelector.ServiceName, partitionId), replicaId);
TestabilityTrace.TraceSource.WriteInfo(StepBase.TraceType, "{0} - faulting replica with id={1}", this.State.OperationId, replicaId);
Task task = FaultAnalysisServiceUtility.RestartReplicaAsync(this.FabricClient, replicaSelector, CompletionMode.DoNotVerify, this.RequestTimeout, this.OperationTimeout, cancellationToken);
tasks.Add(task);
}
await Task.WhenAll(tasks).ConfigureAwait(false);
ActionTest.PerformInternalServiceFaultIfRequested(this.State.OperationId, serviceInternalFaultInfo, this.State, cancellationToken, true);
TestabilityTrace.TraceSource.WriteInfo(StepBase.TraceType, "{0} - keeping partition in quorum loss for '{1}'", this.State.OperationId, state.Info.QuorumLossDuration);
await Task.Delay(state.Info.QuorumLossDuration, cancellationToken).ConfigureAwait(false);
TimeoutHelper timeoutHelper = new TimeoutHelper(this.OperationTimeout);
bool conditionSatisfied = false;
int quorumLossCheckRetries = FASConstants.QuorumLossCheckRetryCount;
do
{
TestabilityTrace.TraceSource.WriteInfo(StepBase.TraceType, "{0} - checking PartitionStatus", this.State.OperationId);
ServicePartitionList partitionsResult = await FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
() => this.FabricClient.QueryManager.GetPartitionListAsync(
this.partitionSelector.ServiceName,
null,
this.RequestTimeout,
cancellationToken),
this.OperationTimeout,
cancellationToken).ConfigureAwait(false);
foreach (StatefulServicePartition partition in partitionsResult)
{
if (partition.PartitionInformation.Id == partitionId)
{
if (partition.PartitionStatus == ServicePartitionStatus.InQuorumLoss)
{
conditionSatisfied = true;
break;
}
}
}
await AsyncWaiter.WaitAsync(TimeSpan.FromSeconds(5), cancellationToken).ConfigureAwait(false);
}while (!conditionSatisfied && quorumLossCheckRetries-- > 0);
if (!conditionSatisfied)
{
string error = string.Format(CultureInfo.InvariantCulture, "{0} - Service could not induce quorum loss for service '{1}', partition '{2}'. Please retry", this.State.OperationId, this.partitionSelector.ServiceName, partitionId);
TestabilityTrace.TraceSource.WriteWarning(StepBase.TraceType, error);
throw new FabricTransientException("The operation could not be performed, please retry", FabricErrorCode.NotReady);
}
await QuorumLossStepsFactory.RemoveUTAsync(this.FabricClient, this.State, this.RequestTimeout, this.OperationTimeout, cancellationToken);
state.StateProgress.Push(StepStateNames.CompletedSuccessfully);
return(state);
}
protected override async Task ExecuteActionAsync(FabricTestContext testContext, InvokeQuorumLossAction action, CancellationToken cancellationToken)
{
ThrowIf.Null(action.PartitionSelector, "PartitionSelector");
var helper = new TimeoutHelper(action.ActionTimeout);
// get info about the service so we can check type and trss
ServiceDescription result = await FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
() => testContext.FabricClient.ServiceManager.GetServiceDescriptionAsync(
action.PartitionSelector.ServiceName,
action.RequestTimeout,
cancellationToken),
helper.GetRemainingTime(),
cancellationToken).ConfigureAwait(false);
if (result.Kind != ServiceDescriptionKind.Stateful)
{
throw new InvalidOperationException(StringHelper.Format(StringResources.Error_InvalidServiceTypeTestability, "QuorumLoss", "Stateful", action.PartitionSelector.ServiceName, "Stateless"));
}
StatefulServiceDescription statefulServiceDescription = result as StatefulServiceDescription;
ReleaseAssert.AssertIf(statefulServiceDescription == null, "Service is not a stateful service");
if (!statefulServiceDescription.HasPersistedState)
{
throw new InvalidOperationException(StringHelper.Format(StringResources.Error_InvalidServiceTypeTestability, "QuorumLoss", "Stateful Persistent", action.PartitionSelector.ServiceName, "Stateful In-Memory Only"));
}
// figure out /which/ partition to select
var getPartitionStateAction = new GetSelectedPartitionStateAction(action.PartitionSelector)
{
RequestTimeout = action.RequestTimeout,
ActionTimeout = helper.GetRemainingTime()
};
await testContext.ActionExecutor.RunAsync(getPartitionStateAction, cancellationToken);
Guid partitionId = getPartitionStateAction.Result.PartitionId;
// get data about replicas in that partition
ServiceReplicaList replicasResult = await FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
() => testContext.FabricClient.QueryManager.GetReplicaListAsync(
partitionId,
0,
action.RequestTimeout,
cancellationToken),
helper.GetRemainingTime(),
cancellationToken).ConfigureAwait(false);
var removeUTRequestList = new List <Tuple <string, string> >();
Dictionary <Tuple <string, string>, Task> removeUTTaskDictionary = new Dictionary <Tuple <string, string>, Task>();
try
{
var stableReplicas = replicasResult.Where(r => r.ReplicaStatus == ServiceReplicaStatus.Ready).ToArray();
var stableReplicasToRemove = new List <StatefulServiceReplica>();
long replicasToRestartWithoutPrimary =
action.QuorumLossMode == QuorumLossMode.AllReplicas
? stableReplicas.Length - 1
: FabricCluster.GetWriteQuorumSize(replicasResult.Count);
foreach (var replica in stableReplicas)
{
StatefulServiceReplica statefulReplica = replica as StatefulServiceReplica;
ReleaseAssert.AssertIf(statefulReplica == null, "Service Replica is not of stateful type even though service is stateful");
if (statefulReplica.ReplicaRole != ReplicaRole.Primary)
{
replicasToRestartWithoutPrimary--;
}
if (replicasToRestartWithoutPrimary >= 0 || statefulReplica.ReplicaRole == ReplicaRole.Primary)
{
stableReplicasToRemove.Add(statefulReplica);
}
}
// for selected replicas, block reopen so that when we restart the replica (NOT remove the replica) it doesn't come up
var utTaskList = new List <Task>();
foreach (var statefulReplica in stableReplicasToRemove)
{
string nodeName = statefulReplica.NodeName;
UnreliableTransportBehavior behavior = new UnreliableTransportBehavior("*", "StatefulServiceReopen");
behavior.AddFilterForPartitionId(partitionId);
string behaviorName = "BlockStatefulServiceReopen_" + nodeName;
removeUTRequestList.Add(new Tuple <string, string>(nodeName, behaviorName));
utTaskList.Add(
FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
() =>
testContext.FabricClient.TestManager.AddUnreliableTransportBehaviorAsync(
nodeName,
behaviorName,
behavior,
action.RequestTimeout,
cancellationToken),
helper.GetRemainingTime(),
cancellationToken));
}
await Task.WhenAll(utTaskList).ConfigureAwait(false);
// TODO: Wait for some time so that the unreliable transport behavior can be read from the files.
// Bug#2271465 - Unreliable transport through API should return only once the behavior has been successfully applied
await Task.Delay(TimeSpan.FromSeconds(5.0), cancellationToken);
var restartReplicaTaskList = new List <Task>();
foreach (var statefulReplica in stableReplicasToRemove)
{
ReplicaSelector replicaSelector = ReplicaSelector.ReplicaIdOf(PartitionSelector.PartitionIdOf(action.PartitionSelector.ServiceName, partitionId), statefulReplica.Id);
var restartReplicaAction = new RestartReplicaAction(replicaSelector)
{
CompletionMode = CompletionMode.DoNotVerify,
RequestTimeout = action.RequestTimeout,
ActionTimeout = helper.GetRemainingTime()
};
restartReplicaTaskList.Add(testContext.ActionExecutor.RunAsync(restartReplicaAction, cancellationToken));
}
await Task.WhenAll(restartReplicaTaskList).ConfigureAwait(false);
await AsyncWaiter.WaitAsync(action.QuorumLossDuration, cancellationToken).ConfigureAwait(false);
// validate
ServicePartitionList partitionsResult = await FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
() => testContext.FabricClient.QueryManager.GetPartitionListAsync(
action.PartitionSelector.ServiceName,
null,
action.RequestTimeout,
cancellationToken),
FabricClientRetryErrors.GetPartitionListFabricErrors.Value,
helper.GetRemainingTime(),
cancellationToken).ConfigureAwait(false);
foreach (StatefulServicePartition partition in partitionsResult)
{
if (partition.PartitionInformation.Id == partitionId)
{
ReleaseAssert.AssertIf(partition.PartitionStatus != ServicePartitionStatus.InQuorumLoss, "Partition failed to be in Quorum Loss.");
break;
}
}
foreach (var removeUTParams in removeUTRequestList)
{
var currentParams = removeUTParams;
Task task = FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
() => testContext.FabricClient.TestManager.RemoveUnreliableTransportBehaviorAsync(
currentParams.Item1, /*nodeName*/
currentParams.Item2, /*behaviorName*/
action.RequestTimeout,
cancellationToken),
FabricClientRetryErrors.RemoveUnreliableTransportBehaviorErrors.Value,
helper.GetRemainingTime(),
cancellationToken);
removeUTTaskDictionary[currentParams] = task;
}
await Task.WhenAll(removeUTTaskDictionary.Values).ConfigureAwait(false);
// TODO: Wait for some time so that the removal of this unreliable transport behavior can be read from the files.
// Bug#2271465 - Unreliable transport through API should return only once the behavior has been successully applied
await Task.Delay(TimeSpan.FromSeconds(5.0), cancellationToken);
}
finally
{
var removeUTTaskList = new List <Task>();
foreach (var removeUTRequest in removeUTTaskDictionary)
{
var currentRemoveUTRequest = removeUTRequest;
if (currentRemoveUTRequest.Value == null || currentRemoveUTRequest.Value.IsFaulted)
{
removeUTTaskList.Add(
FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
() => testContext.FabricClient.TestManager.RemoveUnreliableTransportBehaviorAsync(
currentRemoveUTRequest.Key.Item1, /*nodeName*/
currentRemoveUTRequest.Key.Item2, /*behaviorName*/
action.RequestTimeout,
cancellationToken),
FabricClientRetryErrors.RemoveUnreliableTransportBehaviorErrors.Value,
helper.GetRemainingTime(),
cancellationToken));
}
}
Task.WhenAll(removeUTTaskList).Wait(cancellationToken);
// TODO: Wait for some time so that the removal of this unreliable transport behavior can be read from the files.
// Bug#2271465 - Unreliable transport through API should return only once the behavior has been successully applied
Task.Delay(TimeSpan.FromSeconds(5.0), cancellationToken).GetAwaiter().GetResult();
}
action.Result = new InvokeQuorumLossResult(getPartitionStateAction.Result);
this.ResultTraceString = StringHelper.Format("InvokeQuorumLossAction succeeded for {0} with QuorumLossMode = {1}", partitionId, action.QuorumLossMode);
}
internal static ReplicaSelector GetReplicaSelector(string partitionSetName, Guid partitionId, Uri serviceName, string partitionKey, long?replicaOrInstanceId)
{
ReplicaSelector replicaSelector = null;
PartitionSelector partitionSelector = null;
if (partitionSetName.Contains("PartitionId"))
{
partitionSelector = PartitionSelector.PartitionIdOf(serviceName, partitionId);
}
else
{
if (partitionSetName.Contains("PartitionSingleton"))
{
partitionSelector = PartitionSelector.SingletonOf(serviceName);
}
else if (partitionSetName.Contains("PartitionNamed"))
{
partitionSelector = PartitionSelector.PartitionKeyOf(serviceName, partitionKey);
}
else if (partitionSetName.Contains("PartitionUniformedInt"))
{
long partitionKeyLong;
if (!long.TryParse(partitionKey, out partitionKeyLong))
{
throw new ArgumentException(StringResources.Error_InvalidPartitionKey);
}
partitionSelector = PartitionSelector.PartitionKeyOf(serviceName, partitionKeyLong);
}
else if (!partitionSetName.Contains("Partition"))
{
partitionSelector = PartitionSelector.RandomOf(serviceName);
}
}
if (partitionSelector == null)
{
throw new ArgumentException(StringResources.Error_CouldNotParsePartitionSelector);
}
if (partitionSetName.Contains("ReplicaPrimary"))
{
replicaSelector = ReplicaSelector.PrimaryOf(partitionSelector);
}
else if (partitionSetName.Contains("ReplicaRandomSecondary"))
{
replicaSelector = ReplicaSelector.RandomSecondaryOf(partitionSelector);
}
else if (partitionSetName.Contains("ReplicaId"))
{
replicaSelector = ReplicaSelector.ReplicaIdOf(partitionSelector, replicaOrInstanceId ?? 0);
}
else if (!partitionSetName.Contains("Replica"))
{
replicaSelector = ReplicaSelector.RandomOf(partitionSelector);
}
if (replicaSelector == null)
{
throw new ArgumentException(StringResources.Error_CouldNotParseReplicaSelector);
}
return(replicaSelector);
}