Examples with CopyCommandResult org.apache.cloudstack.engine.subsystem.api.storage.CopyCommandResult used on opensource projects

Example 11 with CopyCommandResult

use of org.apache.cloudstack.engine.subsystem.api.storage.CopyCommandResult in project cloudstack by apache.

the class TemplateServiceImpl method copyAsync.

private AsyncCallFuture<TemplateApiResult> copyAsync(DataObject source, TemplateInfo template, DataStore store) {
    AsyncCallFuture<TemplateApiResult> future = new AsyncCallFuture<TemplateApiResult>();
    DataObject templateOnStore = store.create(template);
    templateOnStore.processEvent(Event.CreateOnlyRequested);
    TemplateOpContext<TemplateApiResult> context = new TemplateOpContext<TemplateApiResult>(null, (TemplateObject) templateOnStore, future);
    AsyncCallbackDispatcher<TemplateServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher.create(this);
    caller.setCallback(caller.getTarget().copyTemplateCallBack(null, null)).setContext(context);
    _motionSrv.copyAsync(source, templateOnStore, caller);
    return future;
}

Example 12 with CopyCommandResult

use of org.apache.cloudstack.engine.subsystem.api.storage.CopyCommandResult in project cloudstack by apache.

the class TemplateServiceImpl method syncTemplateCallBack.

protected Void syncTemplateCallBack(AsyncCallbackDispatcher<TemplateServiceImpl, CopyCommandResult> callback, TemplateOpContext<TemplateApiResult> context) {
    TemplateInfo destTemplate = context.getTemplate();
    CopyCommandResult result = callback.getResult();
    AsyncCallFuture<TemplateApiResult> future = context.getFuture();
    TemplateApiResult res = new TemplateApiResult(destTemplate);
    try {
        if (result.isFailed()) {
            res.setResult(result.getResult());
        // no change to existing template_store_ref, will try to re-sync later if other call triggers this sync operation, like copy template
        } else {
            // this will update install path properly, next time it will not sync anymore.
            destTemplate.processEvent(Event.OperationSuccessed, result.getAnswer());
        }
        future.complete(res);
    } catch (Exception e) {
        s_logger.debug("Failed to process sync template callback", e);
        res.setResult(e.toString());
        future.complete(res);
    }
    return null;
}

Example 13 with CopyCommandResult

use of org.apache.cloudstack.engine.subsystem.api.storage.CopyCommandResult in project cloudstack by apache.

the class AncientDataMotionStrategy method copyAsync.

// Note: destHost is currently only used if the copyObject method is invoked
@Override
public void copyAsync(DataObject srcData, DataObject destData, Host destHost, AsyncCompletionCallback<CopyCommandResult> callback) {
    Answer answer = null;
    String errMsg = null;
    try {
        s_logger.debug("copyAsync inspecting src type " + srcData.getType().toString() + " copyAsync inspecting dest type " + destData.getType().toString());
        if (srcData.getType() == DataObjectType.SNAPSHOT && destData.getType() == DataObjectType.VOLUME) {
            answer = copyVolumeFromSnapshot(srcData, destData);
        } else if (srcData.getType() == DataObjectType.SNAPSHOT && destData.getType() == DataObjectType.TEMPLATE) {
            answer = createTemplateFromSnapshot(srcData, destData);
        } else if (srcData.getType() == DataObjectType.TEMPLATE && destData.getType() == DataObjectType.VOLUME) {
            answer = cloneVolume(srcData, destData);
        } else if (destData.getType() == DataObjectType.VOLUME && srcData.getType() == DataObjectType.VOLUME && srcData.getDataStore().getRole() == DataStoreRole.Primary && destData.getDataStore().getRole() == DataStoreRole.Primary) {
            if (srcData.getId() == destData.getId()) {
                // The volume has to be migrated across storage pools.
                answer = migrateVolumeToPool(srcData, destData);
            } else {
                answer = copyVolumeBetweenPools(srcData, destData);
            }
        } else if (srcData.getType() == DataObjectType.SNAPSHOT && destData.getType() == DataObjectType.SNAPSHOT) {
            answer = copySnapshot(srcData, destData);
        } else {
            answer = copyObject(srcData, destData, destHost);
        }
        if (answer != null && !answer.getResult()) {
            errMsg = answer.getDetails();
        }
    } catch (Exception e) {
        s_logger.debug("copy failed", e);
        errMsg = e.toString();
    }
    CopyCommandResult result = new CopyCommandResult(null, answer);
    result.setResult(errMsg);
    callback.complete(result);
}

Example 14 with CopyCommandResult

use of org.apache.cloudstack.engine.subsystem.api.storage.CopyCommandResult in project cloudstack by apache.

the class StorageSystemDataMotionStrategy method handleCreateVolumeFromSnapshotOnSecondaryStorage.

/**
     * Creates a volume on the storage from a snapshot that resides on the secondary storage (archived snapshot).
     * @param snapshotInfo snapshot on secondary
     * @param volumeInfo volume to be created on the storage
     * @param callback  for async
     */
private void handleCreateVolumeFromSnapshotOnSecondaryStorage(SnapshotInfo snapshotInfo, VolumeInfo volumeInfo, AsyncCompletionCallback<CopyCommandResult> callback) {
    // at this point, the snapshotInfo and volumeInfo should have the same disk offering ID (so either one should be OK to get a DiskOfferingVO instance)
    DiskOfferingVO diskOffering = _diskOfferingDao.findByIdIncludingRemoved(volumeInfo.getDiskOfferingId());
    SnapshotVO snapshot = _snapshotDao.findById(snapshotInfo.getId());
    // update the volume's hv_ss_reserve (hypervisor snapshot reserve) from a disk offering (used for managed storage)
    _volumeService.updateHypervisorSnapshotReserveForVolume(diskOffering, volumeInfo.getId(), snapshot.getHypervisorType());
    CopyCmdAnswer copyCmdAnswer = null;
    String errMsg = null;
    HostVO hostVO = null;
    try {
        // create a volume on the storage
        AsyncCallFuture<VolumeApiResult> future = _volumeService.createVolumeAsync(volumeInfo, volumeInfo.getDataStore());
        VolumeApiResult result = future.get();
        if (result.isFailed()) {
            LOGGER.error("Failed to create a volume: " + result.getResult());
            throw new CloudRuntimeException(result.getResult());
        }
        volumeInfo = _volumeDataFactory.getVolume(volumeInfo.getId(), volumeInfo.getDataStore());
        volumeInfo.processEvent(Event.MigrationRequested);
        volumeInfo = _volumeDataFactory.getVolume(volumeInfo.getId(), volumeInfo.getDataStore());
        hostVO = getHost(snapshotInfo.getDataCenterId(), false);
        // copy the volume from secondary via the hypervisor
        copyCmdAnswer = performCopyOfVdi(volumeInfo, snapshotInfo, hostVO);
        if (copyCmdAnswer == null || !copyCmdAnswer.getResult()) {
            if (copyCmdAnswer != null && !StringUtils.isEmpty(copyCmdAnswer.getDetails())) {
                errMsg = copyCmdAnswer.getDetails();
            } else {
                errMsg = "Unable to create volume from snapshot";
            }
        }
    } catch (Exception ex) {
        errMsg = ex.getMessage() != null ? ex.getMessage() : "Copy operation failed in 'StorageSystemDataMotionStrategy.handleCreateVolumeFromSnapshotBothOnStorageSystem'";
    }
    CopyCommandResult result = new CopyCommandResult(null, copyCmdAnswer);
    result.setResult(errMsg);
    callback.complete(result);
}

Example 15 with CopyCommandResult

use of org.apache.cloudstack.engine.subsystem.api.storage.CopyCommandResult in project cloudstack by apache.

the class StorageSystemDataMotionStrategy method handleCopyDataToSecondaryStorage.

/**
     * This function is responsible for copying a volume from the managed store to a secondary store. This is used in two cases
     * 1) When creating a template from a snapshot
     * 2) When createSnapshot is called with location=SECONDARY
     *
     * @param snapshotInfo Source snapshot
     * @param destData destination (can be template or snapshot)
     * @param callback callback for async
     */
private void handleCopyDataToSecondaryStorage(SnapshotInfo snapshotInfo, DataObject destData, AsyncCompletionCallback<CopyCommandResult> callback) {
    try {
        snapshotInfo.processEvent(Event.CopyingRequested);
    } catch (Exception ex) {
        throw new CloudRuntimeException("This snapshot is not currently in a state where it can be used to create a template.");
    }
    HostVO hostVO = getHost(snapshotInfo);
    boolean usingBackendSnapshot = usingBackendSnapshotFor(snapshotInfo);
    boolean computeClusterSupportsResign = clusterDao.getSupportsResigning(hostVO.getClusterId());
    boolean needCache = needCacheStorage(snapshotInfo, destData);
    DataObject destOnStore = destData;
    if (needCache) {
        // creates an object in the DB for data to be cached
        Scope selectedScope = pickCacheScopeForCopy(snapshotInfo, destData);
        destOnStore = cacheMgr.getCacheObject(snapshotInfo, selectedScope);
        destOnStore.processEvent(Event.CreateOnlyRequested);
    }
    if (usingBackendSnapshot && !computeClusterSupportsResign) {
        String noSupportForResignErrMsg = "Unable to locate an applicable host with which to perform a resignature operation : Cluster ID = " + hostVO.getClusterId();
        LOGGER.warn(noSupportForResignErrMsg);
        throw new CloudRuntimeException(noSupportForResignErrMsg);
    }
    try {
        if (usingBackendSnapshot) {
            createVolumeFromSnapshot(hostVO, snapshotInfo, true);
        }
        DataStore srcDataStore = snapshotInfo.getDataStore();
        String value = _configDao.getValue(Config.PrimaryStorageDownloadWait.toString());
        int primaryStorageDownloadWait = NumbersUtil.parseInt(value, Integer.parseInt(Config.PrimaryStorageDownloadWait.getDefaultValue()));
        CopyCommand copyCommand = new CopyCommand(snapshotInfo.getTO(), destOnStore.getTO(), primaryStorageDownloadWait, VirtualMachineManager.ExecuteInSequence.value());
        String errMsg = null;
        CopyCmdAnswer copyCmdAnswer = null;
        try {
            // (because we passed in true as the third parameter to createVolumeFromSnapshot above).
            if (!usingBackendSnapshot) {
                _volumeService.grantAccess(snapshotInfo, hostVO, srcDataStore);
            }
            Map<String, String> srcDetails = getSnapshotDetails(snapshotInfo);
            copyCommand.setOptions(srcDetails);
            copyCmdAnswer = (CopyCmdAnswer) _agentMgr.send(hostVO.getId(), copyCommand);
            if (!copyCmdAnswer.getResult()) {
                // We were not able to copy. Handle it.
                errMsg = copyCmdAnswer.getDetails();
                throw new CloudRuntimeException(errMsg);
            }
            if (needCache) {
                // If cached storage was needed (in case of object store as secondary
                // storage), at this point, the data has been copied from the primary
                // to the NFS cache by the hypervisor. We now invoke another copy
                // command to copy this data from cache to secondary storage. We
                // then cleanup the cache
                destOnStore.processEvent(Event.OperationSuccessed, copyCmdAnswer);
                CopyCommand cmd = new CopyCommand(destOnStore.getTO(), destData.getTO(), primaryStorageDownloadWait, VirtualMachineManager.ExecuteInSequence.value());
                EndPoint ep = selector.select(destOnStore, destData);
                if (ep == null) {
                    errMsg = "No remote endpoint to send command, check if host or ssvm is down?";
                    LOGGER.error(errMsg);
                    copyCmdAnswer = new CopyCmdAnswer(errMsg);
                } else {
                    copyCmdAnswer = (CopyCmdAnswer) ep.sendMessage(cmd);
                }
                // clean up snapshot copied to staging
                cacheMgr.deleteCacheObject(destOnStore);
            }
        } catch (CloudRuntimeException | AgentUnavailableException | OperationTimedoutException ex) {
            String msg = "Failed to create template from snapshot (Snapshot ID = " + snapshotInfo.getId() + ") : ";
            LOGGER.warn(msg, ex);
            throw new CloudRuntimeException(msg + ex.getMessage());
        } finally {
            _volumeService.revokeAccess(snapshotInfo, hostVO, srcDataStore);
            if (copyCmdAnswer == null || !copyCmdAnswer.getResult()) {
                if (copyCmdAnswer != null && !StringUtils.isEmpty(copyCmdAnswer.getDetails())) {
                    errMsg = copyCmdAnswer.getDetails();
                    if (needCache) {
                        cacheMgr.deleteCacheObject(destOnStore);
                    }
                } else {
                    errMsg = "Unable to create template from snapshot";
                }
            }
            try {
                if (StringUtils.isEmpty(errMsg)) {
                    snapshotInfo.processEvent(Event.OperationSuccessed);
                } else {
                    snapshotInfo.processEvent(Event.OperationFailed);
                }
            } catch (Exception ex) {
                LOGGER.warn("Error processing snapshot event: " + ex.getMessage(), ex);
            }
        }
        CopyCommandResult result = new CopyCommandResult(null, copyCmdAnswer);
        result.setResult(errMsg);
        callback.complete(result);
    } finally {
        if (usingBackendSnapshot) {
            deleteVolumeFromSnapshot(snapshotInfo);
        }
    }
}