Exemplo n.º 1
0
            public override async Task <ActionStateBase> RunAsync(CancellationToken cancellationToken, ServiceInternalFaultInfo serviceInternalFaultInfo)
            {
                InvokeDataLossState state = Convert(this.State);

                ServiceDescription result = await FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
                    () => this.FabricClient.ServiceManager.GetServiceDescriptionAsync(
                        this.partitionSelector.ServiceName,
                        this.RequestTimeout,
                        cancellationToken),
                    this.OperationTimeout,
                    cancellationToken).ConfigureAwait(false);

                if (result.Kind != ServiceDescriptionKind.Stateful)
                {
                    // The message in the first arg is only for debugging, it is not returned to the user.
                    throw new FabricInvalidForStatelessServicesException("FabricInvalidForStatelessServicesException", FabricErrorCode.InvalidForStatelessServices);
                }

                int targetReplicaSetSize = (result as StatefulServiceDescription).TargetReplicaSetSize;

                SelectedPartition targetPartition = await FaultAnalysisServiceUtility.GetSelectedPartitionStateAsync(
                    this.FabricClient,
                    this.partitionSelector,
                    this.RequestTimeout,
                    this.OperationTimeout,
                    cancellationToken).ConfigureAwait(false);

                Guid partitionId = targetPartition.PartitionId;

                long preDataLossNumber = 0;

                ServicePartitionList partitionsResult = await FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
                    () => this.FabricClient.QueryManager.GetPartitionListAsync(
                        this.partitionSelector.ServiceName,
                        null,
                        this.RequestTimeout,
                        cancellationToken),
                    this.OperationTimeout,
                    cancellationToken).ConfigureAwait(false);

                bool partitionFound = false;

                foreach (StatefulServicePartition partition in partitionsResult)
                {
                    if (partition.PartitionInformation.Id == partitionId)
                    {
                        preDataLossNumber = partition.PrimaryEpoch.DataLossNumber;
                        partitionFound    = true;
                        break;
                    }
                }

                if (!partitionFound)
                {
                    throw new FabricException(StringHelper.Format(StringResources.Error_PartitionNotFound), FabricErrorCode.PartitionNotFound);
                }

                ServiceReplicaList failoverManagerReplicasResult = await FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
                    () => this.FabricClient.QueryManager.GetReplicaListAsync(
                        FASConstants.FmPartitionId,
                        0,
                        this.RequestTimeout,
                        cancellationToken),
                    this.OperationTimeout,
                    cancellationToken).ConfigureAwait(false);

                string failoverManagerPrimaryNodeName = string.Empty;
                var    readyFMReplicas = failoverManagerReplicasResult.Where(r => r.ReplicaStatus == ServiceReplicaStatus.Ready).ToArray();

                foreach (var replica in readyFMReplicas)
                {
                    StatefulServiceReplica statefulReplica = replica as StatefulServiceReplica;
                    ReleaseAssert.AssertIf(statefulReplica == null, "FM Replica is not a stateful replica");
                    if (statefulReplica.ReplicaRole == ReplicaRole.Primary)
                    {
                        failoverManagerPrimaryNodeName = replica.NodeName;
                    }
                }

                if (string.IsNullOrEmpty(failoverManagerPrimaryNodeName))
                {
                    throw new FabricException(StringHelper.Format(StringResources.Error_PartitionPrimaryNotReady, "FailoverManager"), FabricErrorCode.NotReady);
                }

                TestabilityTrace.TraceSource.WriteInfo(StepBase.TraceType, "{0} - FM primary location={1}", this.State.OperationId, failoverManagerPrimaryNodeName);
                string behaviorName = "BlockDoReconfiguration_" + this.State.OperationId;
                List <Tuple <string, string> > unreliableTransportInfo = new List <Tuple <string, string> >();

                unreliableTransportInfo.Add(new Tuple <string, string>(failoverManagerPrimaryNodeName, behaviorName));

                state.StateProgress.Push(StepStateNames.PerformingActions);
                state.Info.DataLossNumber          = preDataLossNumber;
                state.Info.NodeName                = failoverManagerPrimaryNodeName;
                state.Info.PartitionId             = partitionId;
                state.Info.UnreliableTransportInfo = unreliableTransportInfo;
                state.Info.TargetReplicaSetSize    = targetReplicaSetSize;
                return(state);
            }
Exemplo n.º 2
0
            public override async Task <ActionStateBase> RunAsync(CancellationToken cancellationToken, ServiceInternalFaultInfo serviceInternalFaultInfo)
            {
                InvokeQuorumLossState state = Convert(this.State);

                // get info about the service so we can check type and trss
                ServiceDescription result = await FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
                    () => this.FabricClient.ServiceManager.GetServiceDescriptionAsync(
                        this.partitionSelector.ServiceName,
                        this.RequestTimeout,
                        cancellationToken),
                    this.OperationTimeout,
                    cancellationToken).ConfigureAwait(false);

                if (result.Kind != ServiceDescriptionKind.Stateful)
                {
                    // The message in the first arg is only for debugging, it is not returned to the user.
                    throw new FabricInvalidForStatelessServicesException("FabricInvalidForStatelessServicesException", FabricErrorCode.InvalidForStatelessServices);
                }

                StatefulServiceDescription statefulServiceDescription = result as StatefulServiceDescription;

                ReleaseAssert.AssertIf(statefulServiceDescription == null, string.Format(CultureInfo.InvariantCulture, "{0} - Service is not a stateful service", this.State.OperationId));

                if (!statefulServiceDescription.HasPersistedState)
                {
                    // The message in the first arg is only for debugging, it is not returned to the user.
                    throw new FabricOnlyValidForStatefulPersistentServicesException("This is only valid for stateful persistent services", FabricErrorCode.OnlyValidForStatefulPersistentServices);
                }

                SelectedPartition targetPartition = await FaultAnalysisServiceUtility.GetSelectedPartitionStateAsync(
                    this.FabricClient,
                    this.partitionSelector,
                    this.RequestTimeout,
                    this.OperationTimeout,
                    cancellationToken).ConfigureAwait(false);

                Guid partitionId = targetPartition.PartitionId;

                // get data about replicas in that partition
                ServiceReplicaList replicasResult = await FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
                    () => this.FabricClient.QueryManager.GetReplicaListAsync(
                        partitionId,
                        0,
                        this.RequestTimeout,
                        cancellationToken),
                    this.OperationTimeout,
                    cancellationToken).ConfigureAwait(false);

                List <StatefulServiceReplica> tempReplicas = new List <StatefulServiceReplica>();

                foreach (var replica in replicasResult)
                {
                    StatefulServiceReplica statefulReplica = replica as StatefulServiceReplica;
                    ReleaseAssert.AssertIf(statefulReplica == null, "Expected stateful replica");
                    tempReplicas.Add(statefulReplica);
                }

                List <StatefulServiceReplica> targetReplicas = null;

                if (this.quorumLossMode == QuorumLossMode.AllReplicas)
                {
                    targetReplicas = tempReplicas.Where(r => r.ReplicaRole == ReplicaRole.Primary || r.ReplicaRole == ReplicaRole.ActiveSecondary).ToList();
                }
                else if (this.quorumLossMode == QuorumLossMode.QuorumReplicas)
                {
                    targetReplicas = FaultAnalysisServiceUtility.GetReplicasForPartialLoss(state.OperationId, tempReplicas);
                }
                else
                {
                    throw FaultAnalysisServiceUtility.CreateException(StepBase.TraceType, Interop.NativeTypes.FABRIC_ERROR_CODE.E_INVALIDARG, Strings.StringResources.Error_UnsupportedQuorumLossMode);
                }

                if (targetReplicas == null)
                {
                    // This will cause the command to rollback and retry
                    throw new FabricTransientException("The operation could not be performed, please retry", FabricErrorCode.NotReady);
                }

                List <string> targetNodes = new List <string>();

                foreach (var replica in targetReplicas)
                {
                    targetNodes.Add(replica.NodeName);
                }

                List <Tuple <string, string> > unreliableTransportInfoList = new List <Tuple <string, string> >();

                foreach (string nodeName in targetNodes)
                {
                    UnreliableTransportBehavior behavior = new UnreliableTransportBehavior("*", "StatefulServiceReopen");
                    behavior.AddFilterForPartitionId(partitionId);

                    // ApplyingUnreliableTransport.BehaviorNamePrefix + nodeName;
                    string behaviorName = this.CreateBehaviorName(nodeName);

                    unreliableTransportInfoList.Add(new Tuple <string, string>(nodeName, behaviorName));
                }

                state.StateProgress.Push(StepStateNames.PerformingActions);

                state.Info.PartitionId             = partitionId;
                state.Info.ReplicaIds              = targetReplicas.Select(r => r.Id).ToList();
                state.Info.UnreliableTransportInfo = unreliableTransportInfoList;

                return(state);
            }
Exemplo n.º 3
0
            public override async Task <ActionStateBase> RunAsync(CancellationToken cancellationToken, ServiceInternalFaultInfo serviceInternalFaultInfo)
            {
                TestabilityTrace.TraceSource.WriteInfo(StepBase.TraceType, "Inside CollectingState, service={0}", this.partitionSelector.ServiceName);
                RestartPartitionState state = Convert(this.State);

                // Get service info and validate if the parameters are valid
                ServiceDescription result = await FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
                    () => this.FabricClient.ServiceManager.GetServiceDescriptionAsync(
                        this.partitionSelector.ServiceName,
                        this.RequestTimeout,
                        cancellationToken),
                    this.OperationTimeout,
                    cancellationToken).ConfigureAwait(false);

                if (result.Kind != ServiceDescriptionKind.Stateful && this.restartPartitionMode == RestartPartitionMode.OnlyActiveSecondaries)
                {
                    // The message in the first arg is only for debugging, it is not returned to the user.
                    string debugText = string.Format(CultureInfo.InvariantCulture, "RestartPartition: for stateless services only RestartPartitionMode.AllReplicasOrInstances is valid");
                    TestabilityTrace.TraceSource.WriteWarning(StepBase.TraceType, debugText);
                    throw FaultAnalysisServiceUtility.CreateException(StepBase.TraceType, NativeTypes.FABRIC_ERROR_CODE.E_INVALIDARG, debugText);
                }

                bool hasPersistedState = false;

                if (result.Kind == ServiceDescriptionKind.Stateful)
                {
                    StatefulServiceDescription statefulDescription = result as StatefulServiceDescription;
                    ReleaseAssert.AssertIf(statefulDescription == null, "Stateful service description is not WinFabricStatefulServiceDescription");
                    hasPersistedState = statefulDescription.HasPersistedState;
                }

                SelectedPartition targetPartition = await FaultAnalysisServiceUtility.GetSelectedPartitionStateAsync(
                    this.FabricClient,
                    this.partitionSelector,
                    this.RequestTimeout,
                    this.OperationTimeout,
                    cancellationToken).ConfigureAwait(false);

                Guid partitionId = targetPartition.PartitionId;

                // get replicas for target
                ServiceReplicaList replicasResult = await FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
                    () => this.FabricClient.QueryManager.GetReplicaListAsync(
                        partitionId,
                        0,
                        this.RequestTimeout,
                        cancellationToken),
                    this.OperationTimeout,
                    cancellationToken).ConfigureAwait(false);

                // get replicas for fm in order to get the primary
                ServiceReplicaList failoverManagersReplicasResult = await FabricClientRetryHelper.ExecuteFabricActionWithRetryAsync(
                    () => this.FabricClient.QueryManager.GetReplicaListAsync(
                        FASConstants.FmPartitionId,
                        0,
                        this.RequestTimeout,
                        cancellationToken),
                    this.OperationTimeout,
                    cancellationToken).ConfigureAwait(false);

                string failoverManagerPrimaryNodeName = string.Empty;
                var    readyFMReplicas = failoverManagersReplicasResult.Where(r => r.ReplicaStatus == ServiceReplicaStatus.Ready).ToArray();

                foreach (var replica in readyFMReplicas)
                {
                    StatefulServiceReplica statefulReplica = replica as StatefulServiceReplica;
                    ReleaseAssert.AssertIf(statefulReplica == null, "FM Replica is not a stateful replica");
                    if (statefulReplica.ReplicaRole == ReplicaRole.Primary)
                    {
                        failoverManagerPrimaryNodeName = replica.NodeName;
                    }
                }

                if (string.IsNullOrEmpty(failoverManagerPrimaryNodeName))
                {
                    throw new FabricException(StringHelper.Format(StringResources.Error_PartitionPrimaryNotReady, "FailoverManager"), FabricErrorCode.NotReady);
                }

                TestabilityTrace.TraceSource.WriteInfo(StepBase.TraceType, "{0} - FM primary is at node={1}", this.State.OperationId, failoverManagerPrimaryNodeName);
                string behaviorName = RestartingSelectedReplicas.UTBehaviorPrefixName + "_" + this.State.OperationId;
                List <Tuple <string, string> > unreliableTransportInfo = new List <Tuple <string, string> >();

                unreliableTransportInfo.Add(new Tuple <string, string>(failoverManagerPrimaryNodeName, behaviorName));

                state.StateProgress.Push(StepStateNames.PerformingActions);
                state.Info.PartitionId             = partitionId;
                state.Info.NodeName                = failoverManagerPrimaryNodeName;
                state.Info.HasPersistedState       = hasPersistedState;
                state.Info.UnreliableTransportInfo = unreliableTransportInfo;

                return(state);
            }