Package org.apache.cloudstack.engine.subsystem.api.storage

Examples of org.apache.cloudstack.engine.subsystem.api.storage.VolumeInfo

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    }

    protected AsyncCallFuture<VolumeApiResult> copyVolumeFromImageToPrimary(VolumeInfo srcVolume, DataStore destStore) {
        AsyncCallFuture<VolumeApiResult> future = new AsyncCallFuture<VolumeApiResult>();
        VolumeApiResult res = new VolumeApiResult(srcVolume);
        VolumeInfo destVolume = null;
        try {
            destVolume = (VolumeInfo) destStore.create(srcVolume);
            destVolume.processEvent(Event.CopyingRequested);
            srcVolume.processEvent(Event.CopyingRequested);

            CopyVolumeContext<VolumeApiResult> context = new CopyVolumeContext<VolumeApiResult>(null, future,
                    srcVolume, destVolume, destStore);
            AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher.create(this);
            caller.setCallback(caller.getTarget().copyVolumeFromImageToPrimaryCallback(null, null)).setContext(context);

            motionSrv.copyAsync(srcVolume, destVolume, caller);
            return future;
        } catch (Exception e) {
            s_logger.error("failed to copy volume from image store", e);
            if (destVolume != null) {
                destVolume.processEvent(Event.OperationFailed);
            }

            srcVolume.processEvent(Event.OperationFailed);
            res.setResult(e.toString());
            future.complete(res);
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    }

    protected Void copyVolumeFromImageToPrimaryCallback(
            AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> callback,
            CopyVolumeContext<VolumeApiResult> context) {
        VolumeInfo srcVolume = context.srcVolume;
        VolumeInfo destVolume = context.destVolume;
        CopyCommandResult result = callback.getResult();
        AsyncCallFuture<VolumeApiResult> future = context.future;
        VolumeApiResult res = new VolumeApiResult(destVolume);
        try {
            if (res.isFailed()) {
                destVolume.processEvent(Event.OperationFailed);
                srcVolume.processEvent(Event.OperationFailed);
                res.setResult(result.getResult());
                future.complete(res);
                return null;
            }

            srcVolume.processEvent(Event.OperationSuccessed);
            destVolume.processEvent(Event.OperationSuccessed, result.getAnswer());
            // srcVolume.getDataStore().delete(srcVolume);
            future.complete(res);
        } catch (Exception e) {
            res.setResult(e.toString());
            future.complete(res);
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    protected AsyncCallFuture<VolumeApiResult> copyVolumeFromPrimaryToImage(VolumeInfo srcVolume, DataStore destStore) {
        AsyncCallFuture<VolumeApiResult> future = new AsyncCallFuture<VolumeApiResult>();
        VolumeApiResult res = new VolumeApiResult(srcVolume);
        VolumeInfo destVolume = null;
        try {
            destVolume = (VolumeInfo)destStore.create(srcVolume);
            srcVolume.processEvent(Event.MigrationRequested);    // this is just used for locking that src volume record in DB to avoid using lock
            destVolume.processEventOnly(Event.CreateOnlyRequested);

            CopyVolumeContext<VolumeApiResult> context = new CopyVolumeContext<VolumeApiResult>(null, future, srcVolume,
                    destVolume,
                    destStore);
            AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher.create(this);
            caller.setCallback(caller.getTarget().copyVolumeFromPrimaryToImageCallback(null, null))
            .setContext(context);

            motionSrv.copyAsync(srcVolume, destVolume, caller);
            return future;
        } catch (Exception e) {
            s_logger.error("failed to copy volume to image store", e);
            if (destVolume != null) {
                destVolume.getDataStore().delete(destVolume);
            }
            srcVolume.processEvent(Event.OperationFailed); // unlock source volume record
            res.setResult(e.toString());
            future.complete(res);
            return future;
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            return future;
        }
    }

    protected Void copyVolumeFromPrimaryToImageCallback(AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> callback, CopyVolumeContext<VolumeApiResult> context) {
        VolumeInfo srcVolume = context.srcVolume;
        VolumeInfo destVolume = context.destVolume;
        CopyCommandResult result = callback.getResult();
        AsyncCallFuture<VolumeApiResult> future = context.future;
        VolumeApiResult res = new VolumeApiResult(destVolume);
        try {
            if (result.isFailed()) {
                srcVolume.processEvent(Event.OperationFailed); // back to Ready state in Volume table
                destVolume.processEventOnly(Event.OperationFailed);
                res.setResult(result.getResult());
                future.complete(res);
            }else{
                srcVolume.processEvent(Event.OperationSuccessed); // back to Ready state in Volume table
                destVolume.processEventOnly(Event.OperationSuccessed, result.getAnswer());
                future.complete(res);
            }
        } catch (Exception e) {
            res.setResult(e.toString());
            future.complete(res);
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                future.complete(res);
                return future;
            }

            VolumeVO destVol = duplicateVolumeOnAnotherStorage(srcVolume, (StoragePool) destStore);
            VolumeInfo destVolume = volFactory.getVolume(destVol.getId(), destStore);
            destVolume.processEvent(Event.MigrationRequested);
            srcVolume.processEvent(Event.MigrationRequested);

            CopyVolumeContext<VolumeApiResult> context = new CopyVolumeContext<VolumeApiResult>(null, future,
                    srcVolume, destVolume, destStore);
            AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher.create(this);
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        return future;
    }

    protected Void copyVolumeCallBack(AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> callback,
            CopyVolumeContext<VolumeApiResult> context) {
        VolumeInfo srcVolume = context.srcVolume;
        VolumeInfo destVolume = context.destVolume;
        CopyCommandResult result = callback.getResult();
        AsyncCallFuture<VolumeApiResult> future = context.future;
        VolumeApiResult res = new VolumeApiResult(destVolume);
        try {
            if (result.isFailed()) {
                res.setResult(result.getResult());
                destVolume.processEvent(Event.OperationFailed);
                srcVolume.processEvent(Event.OperationFailed);
                destroyVolume(destVolume.getId());
                destVolume = volFactory.getVolume(destVolume.getId());
                AsyncCallFuture<VolumeApiResult> destroyFuture = expungeVolumeAsync(destVolume);
                destroyFuture.get();
                future.complete(res);
                return null;
            }
            srcVolume.processEvent(Event.OperationSuccessed);
            destVolume.processEvent(Event.OperationSuccessed, result.getAnswer());
            destroyVolume(srcVolume.getId());
            srcVolume = volFactory.getVolume(srcVolume.getId());
            AsyncCallFuture<VolumeApiResult> destroyFuture = expungeVolumeAsync(srcVolume);
            destroyFuture.get();
            future.complete(res);
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                res.setResult("Snapshots are being created on this volume. This volume cannot be migrated now.");
                future.complete(res);
                return future;
            }

            VolumeInfo destVolume = volFactory.getVolume(srcVolume.getId(), destStore);
            srcVolume.processEvent(Event.MigrationRequested);
            MigrateVolumeContext<VolumeApiResult> context = new MigrateVolumeContext<VolumeApiResult>(null, future,
                    srcVolume, destVolume, destStore);
            AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher.create(this);
            caller.setCallback(caller.getTarget().migrateVolumeCallBack(null, null)).setContext(context);
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        return future;
    }

    protected Void migrateVolumeCallBack(AsyncCallbackDispatcher<VolumeServiceImpl, CopyCommandResult> callback,
            MigrateVolumeContext<VolumeApiResult> context) {
        VolumeInfo srcVolume = context.srcVolume;
        CopyCommandResult result = callback.getResult();
        AsyncCallFuture<VolumeApiResult> future = context.future;
        VolumeApiResult res = new VolumeApiResult(srcVolume);
        try {
            if (result.isFailed()) {
                res.setResult(result.getResult());
                srcVolume.processEvent(Event.OperationFailed);
                future.complete(res);
            } else {
                srcVolume.processEvent(Event.OperationSuccessed);
                future.complete(res);
            }
        } catch (Exception e) {
            s_logger.error("Failed to process migrate volume callback", e);
            res.setResult(e.toString());
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            // Check to make sure there are no snapshot operations on a volume
            // and
            // put it in the migrating state.
            List<VolumeInfo> volumesMigrating = new ArrayList<VolumeInfo>();
            for (Map.Entry<VolumeInfo, DataStore> entry : volumeMap.entrySet()) {
                VolumeInfo volume = entry.getKey();
                if (!snapshotMgr.canOperateOnVolume(volume)) {
                    s_logger.debug("Snapshots are being created on a volume. Volumes cannot be migrated now.");
                    res.setResult("Snapshots are being created on a volume. Volumes cannot be migrated now.");
                    future.complete(res);

                    // All the volumes that are already in migrating state need
                    // to be put back in ready state.
                    for (VolumeInfo volumeMigrating : volumesMigrating) {
                        volumeMigrating.processEvent(Event.OperationFailed);
                    }
                    return future;
                } else {
                    volume.processEvent(Event.MigrationRequested);
                    volumesMigrating.add(volume);
                }
            }

            MigrateVmWithVolumesContext<CommandResult> context = new MigrateVmWithVolumesContext<CommandResult>(null,
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        CommandResult res = new CommandResult();
        try {
            if (result.isFailed()) {
                res.setResult(result.getResult());
                for (Map.Entry<VolumeInfo, DataStore> entry : volumeToPool.entrySet()) {
                    VolumeInfo volume = entry.getKey();
                    volume.processEvent(Event.OperationFailed);
                }
                future.complete(res);
            } else {
                for (Map.Entry<VolumeInfo, DataStore> entry : volumeToPool.entrySet()) {
                    VolumeInfo volume = entry.getKey();
                    volume.processEvent(Event.OperationSuccessed);
                }
                future.complete(res);
            }
        } catch (Exception e) {
            s_logger.error("Failed to process copy volume callback", e);
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