Examples with NoTransitionException com.cloud.utils.fsm.NoTransitionException used on opensource projects

Example 6 with NoTransitionException

use of com.cloud.utils.fsm.NoTransitionException in project cloudstack by apache.

the class NetworkOrchestrator method shutdownNetwork.

@Override
@DB
public boolean shutdownNetwork(final long networkId, final ReservationContext context, final boolean cleanupElements) {
    NetworkVO network = _networksDao.findById(networkId);
    if (network.getState() == Network.State.Allocated) {
        s_logger.debug("Network is already shutdown: " + network);
        return true;
    }
    if (network.getState() != Network.State.Implemented && network.getState() != Network.State.Shutdown) {
        s_logger.debug("Network is not implemented: " + network);
        return false;
    }
    try {
        //do global lock for the network
        network = _networksDao.acquireInLockTable(networkId, NetworkLockTimeout.value());
        if (network == null) {
            s_logger.warn("Unable to acquire lock for the network " + network + " as a part of network shutdown");
            return false;
        }
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Lock is acquired for network " + network + " as a part of network shutdown");
        }
        if (network.getState() == Network.State.Allocated) {
            s_logger.debug("Network is already shutdown: " + network);
            return true;
        }
        if (network.getState() != Network.State.Implemented && network.getState() != Network.State.Shutdown) {
            s_logger.debug("Network is not implemented: " + network);
            return false;
        }
        if (isSharedNetworkWithServices(network)) {
            network.setState(Network.State.Shutdown);
            _networksDao.update(network.getId(), network);
        } else {
            try {
                stateTransitTo(network, Event.DestroyNetwork);
            } catch (final NoTransitionException e) {
                network.setState(Network.State.Shutdown);
                _networksDao.update(network.getId(), network);
            }
        }
        final boolean success = shutdownNetworkElementsAndResources(context, cleanupElements, network);
        final NetworkVO networkFinal = network;
        final boolean result = Transaction.execute(new TransactionCallback<Boolean>() {

            @Override
            public Boolean doInTransaction(final TransactionStatus status) {
                boolean result = false;
                if (success) {
                    if (s_logger.isDebugEnabled()) {
                        s_logger.debug("Network id=" + networkId + " is shutdown successfully, cleaning up corresponding resources now.");
                    }
                    final NetworkGuru guru = AdapterBase.getAdapterByName(networkGurus, networkFinal.getGuruName());
                    final NetworkProfile profile = convertNetworkToNetworkProfile(networkFinal.getId());
                    guru.shutdown(profile, _networkOfferingDao.findById(networkFinal.getNetworkOfferingId()));
                    applyProfileToNetwork(networkFinal, profile);
                    final DataCenterVO zone = _dcDao.findById(networkFinal.getDataCenterId());
                    if (isSharedNetworkOfferingWithServices(networkFinal.getNetworkOfferingId()) && zone.getNetworkType() == NetworkType.Advanced) {
                        networkFinal.setState(Network.State.Setup);
                    } else {
                        try {
                            stateTransitTo(networkFinal, Event.OperationSucceeded);
                        } catch (final NoTransitionException e) {
                            networkFinal.setState(Network.State.Allocated);
                            networkFinal.setRestartRequired(false);
                        }
                    }
                    _networksDao.update(networkFinal.getId(), networkFinal);
                    _networksDao.clearCheckForGc(networkId);
                    result = true;
                } else {
                    try {
                        stateTransitTo(networkFinal, Event.OperationFailed);
                    } catch (final NoTransitionException e) {
                        networkFinal.setState(Network.State.Implemented);
                        _networksDao.update(networkFinal.getId(), networkFinal);
                    }
                    result = false;
                }
                return result;
            }
        });
        return result;
    } finally {
        if (network != null) {
            _networksDao.releaseFromLockTable(network.getId());
            if (s_logger.isDebugEnabled()) {
                s_logger.debug("Lock is released for network " + network + " as a part of network shutdown");
            }
        }
    }
}

Example 7 with NoTransitionException

use of com.cloud.utils.fsm.NoTransitionException in project cloudstack by apache.

the class XenserverSnapshotStrategy method deleteSnapshot.

@Override
public boolean deleteSnapshot(Long snapshotId) {
    SnapshotVO snapshotVO = snapshotDao.findById(snapshotId);
    if (snapshotVO.getState() == Snapshot.State.Allocated) {
        snapshotDao.remove(snapshotId);
        return true;
    }
    if (snapshotVO.getState() == Snapshot.State.Destroyed) {
        return true;
    }
    if (Snapshot.State.Error.equals(snapshotVO.getState())) {
        List<SnapshotDataStoreVO> storeRefs = snapshotStoreDao.findBySnapshotId(snapshotId);
        for (SnapshotDataStoreVO ref : storeRefs) {
            snapshotStoreDao.expunge(ref.getId());
        }
        snapshotDao.remove(snapshotId);
        return true;
    }
    if (snapshotVO.getState() == Snapshot.State.CreatedOnPrimary) {
        s_logger.debug("delete snapshot on primary storage:");
        snapshotVO.setState(Snapshot.State.Destroyed);
        snapshotDao.update(snapshotId, snapshotVO);
        return true;
    }
    if (!Snapshot.State.BackedUp.equals(snapshotVO.getState()) && !Snapshot.State.Error.equals(snapshotVO.getState())) {
        throw new InvalidParameterValueException("Can't delete snapshotshot " + snapshotId + " due to it is in " + snapshotVO.getState() + " Status");
    }
    // first mark the snapshot as destroyed, so that ui can't see it, but we
    // may not destroy the snapshot on the storage, as other snapshots may
    // depend on it.
    SnapshotInfo snapshotOnImage = snapshotDataFactory.getSnapshot(snapshotId, DataStoreRole.Image);
    if (snapshotOnImage == null) {
        s_logger.debug("Can't find snapshot on backup storage, delete it in db");
        snapshotDao.remove(snapshotId);
        return true;
    }
    SnapshotObject obj = (SnapshotObject) snapshotOnImage;
    try {
        obj.processEvent(Snapshot.Event.DestroyRequested);
    } catch (NoTransitionException e) {
        s_logger.debug("Failed to set the state to destroying: ", e);
        return false;
    }
    try {
        boolean result = deleteSnapshotChain(snapshotOnImage);
        obj.processEvent(Snapshot.Event.OperationSucceeded);
        if (result) {
            //snapshot is deleted on backup storage, need to delete it on primary storage
            SnapshotDataStoreVO snapshotOnPrimary = snapshotStoreDao.findBySnapshot(snapshotId, DataStoreRole.Primary);
            if (snapshotOnPrimary != null) {
                SnapshotInfo snapshotOnPrimaryInfo = snapshotDataFactory.getSnapshot(snapshotId, DataStoreRole.Primary);
                long volumeId = snapshotOnPrimary.getVolumeId();
                VolumeVO volumeVO = volumeDao.findById(volumeId);
                if (((PrimaryDataStoreImpl) snapshotOnPrimaryInfo.getDataStore()).getPoolType() == StoragePoolType.RBD && volumeVO != null) {
                    snapshotSvr.deleteSnapshot(snapshotOnPrimaryInfo);
                }
                snapshotOnPrimary.setState(State.Destroyed);
                snapshotStoreDao.update(snapshotOnPrimary.getId(), snapshotOnPrimary);
            }
        }
    } catch (Exception e) {
        s_logger.debug("Failed to delete snapshot: ", e);
        try {
            obj.processEvent(Snapshot.Event.OperationFailed);
        } catch (NoTransitionException e1) {
            s_logger.debug("Failed to change snapshot state: " + e.toString());
        }
        return false;
    }
    return true;
}

Example 8 with NoTransitionException

use of com.cloud.utils.fsm.NoTransitionException in project cloudstack by apache.

the class XenserverSnapshotStrategy method takeSnapshot.

@Override
@DB
public SnapshotInfo takeSnapshot(SnapshotInfo snapshot) {
    Object payload = snapshot.getPayload();
    if (payload != null) {
        CreateSnapshotPayload createSnapshotPayload = (CreateSnapshotPayload) payload;
        if (createSnapshotPayload.getQuiescevm()) {
            throw new InvalidParameterValueException("can't handle quiescevm equal true for volume snapshot");
        }
    }
    SnapshotVO snapshotVO = snapshotDao.acquireInLockTable(snapshot.getId());
    if (snapshotVO == null) {
        throw new CloudRuntimeException("Failed to get lock on snapshot:" + snapshot.getId());
    }
    try {
        VolumeInfo volumeInfo = snapshot.getBaseVolume();
        volumeInfo.stateTransit(Volume.Event.SnapshotRequested);
        SnapshotResult result = null;
        try {
            result = snapshotSvr.takeSnapshot(snapshot);
            if (result.isFailed()) {
                s_logger.debug("Failed to take snapshot: " + result.getResult());
                throw new CloudRuntimeException(result.getResult());
            }
        } finally {
            if (result != null && result.isSuccess()) {
                volumeInfo.stateTransit(Volume.Event.OperationSucceeded);
            } else {
                volumeInfo.stateTransit(Volume.Event.OperationFailed);
            }
        }
        snapshot = result.getSnapshot();
        DataStore primaryStore = snapshot.getDataStore();
        boolean backupFlag = Boolean.parseBoolean(configDao.getValue(Config.BackupSnapshotAfterTakingSnapshot.toString()));
        SnapshotInfo backupedSnapshot;
        if (backupFlag) {
            backupedSnapshot = backupSnapshot(snapshot);
        } else {
            // Fake it to get the transitions to fire in the proper order
            s_logger.debug("skipping backup of snapshot due to configuration " + Config.BackupSnapshotAfterTakingSnapshot.toString());
            SnapshotObject snapObj = (SnapshotObject) snapshot;
            try {
                snapObj.processEvent(Snapshot.Event.OperationNotPerformed);
            } catch (NoTransitionException e) {
                s_logger.debug("Failed to change state: " + snapshot.getId() + ": " + e.toString());
                throw new CloudRuntimeException(e.toString());
            }
            backupedSnapshot = snapshot;
        }
        try {
            SnapshotInfo parent = snapshot.getParent();
            if (backupedSnapshot != null && parent != null && primaryStore instanceof PrimaryDataStoreImpl) {
                if (((PrimaryDataStoreImpl) primaryStore).getPoolType() != StoragePoolType.RBD) {
                    Long parentSnapshotId = parent.getId();
                    while (parentSnapshotId != null && parentSnapshotId != 0L) {
                        SnapshotDataStoreVO snapshotDataStoreVO = snapshotStoreDao.findByStoreSnapshot(primaryStore.getRole(), primaryStore.getId(), parentSnapshotId);
                        if (snapshotDataStoreVO != null) {
                            parentSnapshotId = snapshotDataStoreVO.getParentSnapshotId();
                            snapshotStoreDao.remove(snapshotDataStoreVO.getId());
                        } else {
                            parentSnapshotId = null;
                        }
                    }
                }
                SnapshotDataStoreVO snapshotDataStoreVO = snapshotStoreDao.findByStoreSnapshot(primaryStore.getRole(), primaryStore.getId(), snapshot.getId());
                if (snapshotDataStoreVO != null) {
                    snapshotDataStoreVO.setParentSnapshotId(0L);
                    snapshotStoreDao.update(snapshotDataStoreVO.getId(), snapshotDataStoreVO);
                }
            }
        } catch (Exception e) {
            s_logger.debug("Failed to clean up snapshots on primary storage", e);
        }
        return backupedSnapshot;
    } finally {
        if (snapshotVO != null) {
            snapshotDao.releaseFromLockTable(snapshot.getId());
        }
    }
}

Example 9 with NoTransitionException

use of com.cloud.utils.fsm.NoTransitionException in project cloudstack by apache.

the class SnapshotServiceImpl method copySnapshotAsyncCallback.

protected Void copySnapshotAsyncCallback(AsyncCallbackDispatcher<SnapshotServiceImpl, CopyCommandResult> callback, CopySnapshotContext<CommandResult> context) {
    CopyCommandResult result = callback.getResult();
    SnapshotInfo destSnapshot = context.destSnapshot;
    SnapshotObject srcSnapshot = (SnapshotObject) context.srcSnapshot;
    AsyncCallFuture<SnapshotResult> future = context.future;
    SnapshotResult snapResult = new SnapshotResult(destSnapshot, result.getAnswer());
    if (result.isFailed()) {
        try {
            destSnapshot.processEvent(Event.OperationFailed);
            //if backup snapshot failed, mark srcSnapshot in snapshot_store_ref as failed also
            srcSnapshot.processEvent(Event.DestroyRequested);
            srcSnapshot.processEvent(Event.OperationSuccessed);
            srcSnapshot.processEvent(Snapshot.Event.OperationFailed);
            _snapshotDao.remove(srcSnapshot.getId());
        } catch (NoTransitionException e) {
            s_logger.debug("Failed to update state: " + e.toString());
        }
        snapResult.setResult(result.getResult());
        future.complete(snapResult);
        return null;
    }
    try {
        CopyCmdAnswer copyCmdAnswer = (CopyCmdAnswer) result.getAnswer();
        destSnapshot.processEvent(Event.OperationSuccessed, copyCmdAnswer);
        srcSnapshot.processEvent(Snapshot.Event.OperationSucceeded);
        snapResult = new SnapshotResult(_snapshotFactory.getSnapshot(destSnapshot.getId(), destSnapshot.getDataStore()), copyCmdAnswer);
        future.complete(snapResult);
    } catch (Exception e) {
        s_logger.debug("Failed to update snapshot state", e);
        snapResult.setResult(e.toString());
        future.complete(snapResult);
    }
    return null;
}

Example 10 with NoTransitionException

use of com.cloud.utils.fsm.NoTransitionException in project cloudstack by apache.

the class SnapshotServiceImpl method takeSnapshot.

@Override
public SnapshotResult takeSnapshot(SnapshotInfo snap) {
    SnapshotObject snapshot = (SnapshotObject) snap;
    SnapshotObject snapshotOnPrimary = null;
    try {
        snapshotOnPrimary = (SnapshotObject) snap.getDataStore().create(snapshot);
    } catch (Exception e) {
        s_logger.debug("Failed to create snapshot state on data store due to " + e.getMessage());
        throw new CloudRuntimeException(e);
    }
    try {
        snapshotOnPrimary.processEvent(Snapshot.Event.CreateRequested);
    } catch (NoTransitionException e) {
        s_logger.debug("Failed to change snapshot state: " + e.toString());
        throw new CloudRuntimeException(e);
    }
    try {
        snapshotOnPrimary.processEvent(Event.CreateOnlyRequested);
    } catch (Exception e) {
        s_logger.debug("Failed to change snapshot state: " + e.toString());
        try {
            snapshotOnPrimary.processEvent(Snapshot.Event.OperationFailed);
        } catch (NoTransitionException e1) {
            s_logger.debug("Failed to change snapshot state: " + e1.toString());
        }
        throw new CloudRuntimeException(e);
    }
    AsyncCallFuture<SnapshotResult> future = new AsyncCallFuture<SnapshotResult>();
    try {
        CreateSnapshotContext<CommandResult> context = new CreateSnapshotContext<CommandResult>(null, snap.getBaseVolume(), snapshotOnPrimary, future);
        AsyncCallbackDispatcher<SnapshotServiceImpl, CreateCmdResult> caller = AsyncCallbackDispatcher.create(this);
        caller.setCallback(caller.getTarget().createSnapshotAsyncCallback(null, null)).setContext(context);
        PrimaryDataStoreDriver primaryStore = (PrimaryDataStoreDriver) snapshotOnPrimary.getDataStore().getDriver();
        primaryStore.takeSnapshot(snapshot, caller);
    } catch (Exception e) {
        s_logger.debug("Failed to take snapshot: " + snapshot.getId(), e);
        try {
            snapshot.processEvent(Snapshot.Event.OperationFailed);
            snapshot.processEvent(Event.OperationFailed);
        } catch (NoTransitionException e1) {
            s_logger.debug("Failed to change state for event: OperationFailed", e);
        }
        throw new CloudRuntimeException("Failed to take snapshot" + snapshot.getId());
    }
    SnapshotResult result;
    try {
        result = future.get();
        return result;
    } catch (InterruptedException e) {
        s_logger.debug("Failed to create snapshot", e);
        throw new CloudRuntimeException("Failed to create snapshot", e);
    } catch (ExecutionException e) {
        s_logger.debug("Failed to create snapshot", e);
        throw new CloudRuntimeException("Failed to create snapshot", e);
    }
}