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

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

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    public void testTakeSnapshot() throws URISyntaxException {
        SnapshotVO snapshotVO = createSnapshotInDb();
        DataStore store = createDataStore();
        try {
            SnapshotInfo snapshotInfo = snapshotDataFactory.getSnapshot(snapshotVO.getId(), store);
            SnapshotResult result = snapshotService.takeSnapshot(snapshotInfo);
            Assert.assertTrue(result.isSuccess());
            SnapshotDataStoreVO storeRef = snapshotDataStoreDao.findByStoreSnapshot(store.getRole(), store.getId(), snapshotVO.getId());
            Assert.assertTrue(storeRef != null);
            Assert.assertTrue(storeRef.getState() == ObjectInDataStoreStateMachine.State.Ready);
            snapshotInfo = result.getSnashot();
            boolean deletResult = snapshotService.deleteSnapshot(snapshotInfo);
            Assert.assertTrue(deletResult);
            snapshotDataStoreDao.expunge(storeRef.getId());
        } finally {
            snapshotDao.expunge(snapshotVO.getId());
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        try {
            store = createDataStore();
            FakePrimaryDataStoreDriver dataStoreDriver = (FakePrimaryDataStoreDriver)store.getDriver();
            dataStoreDriver.makeTakeSnapshotSucceed(false);
            SnapshotInfo snapshotInfo = snapshotDataFactory.getSnapshot(snapshotVO.getId(), store);
            SnapshotResult result = snapshotService.takeSnapshot(snapshotInfo);
            Assert.assertFalse(result.isSuccess());
            SnapshotDataStoreVO storeRef = snapshotDataStoreDao.findByStoreSnapshot(store.getRole(), store.getId(), snapshotVO.getId());
            Assert.assertTrue(storeRef == null);
        } finally {
            snapshotDao.expunge(snapshotVO.getId());
            if (store != null) {
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        }

        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.getSnashot();
            DataStore primaryStore = snapshot.getDataStore();

            SnapshotInfo backupedSnapshot = backupSnapshot(snapshot);

            try {
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    protected Void createSnapshotAsyncCallback(AsyncCallbackDispatcher<SnapshotServiceImpl, CreateCmdResult> callback, CreateSnapshotContext<CreateCmdResult> context) {
        CreateCmdResult result = callback.getResult();
        SnapshotObject snapshot = (SnapshotObject)context.snapshot;
        AsyncCallFuture<SnapshotResult> future = context.future;
        SnapshotResult snapResult = new SnapshotResult(snapshot, result.getAnswer());
        if (result.isFailed()) {
            s_logger.debug("create snapshot " + context.snapshot.getName() + " failed: " + result.getResult());
            try {
                snapshot.processEvent(Snapshot.Event.OperationFailed);
                snapshot.processEvent(Event.OperationFailed);
            } catch (Exception e) {
                s_logger.debug("Failed to update snapshot state due to " + e.getMessage());
            }

            snapResult.setResult(result.getResult());
            future.complete(snapResult);
            return null;
        }

        try {
            snapshot.processEvent(Event.OperationSuccessed, result.getAnswer());
            snapshot.processEvent(Snapshot.Event.OperationSucceeded);
        } catch (Exception e) {
            s_logger.debug("Failed to create snapshot: ", e);
            snapResult.setResult(e.toString());
            try {
                snapshot.processEvent(Snapshot.Event.OperationFailed);
            } catch (NoTransitionException e1) {
                s_logger.debug("Failed to change snapshot state: " + e1.toString());
            }
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                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) {
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    @Override
    public SnapshotInfo backupSnapshot(SnapshotInfo snapshot) {
        SnapshotObject snapObj = (SnapshotObject)snapshot;
        AsyncCallFuture<SnapshotResult> future = new AsyncCallFuture<SnapshotResult>();
        SnapshotResult result = new SnapshotResult(snapshot, null);
        try {
            snapObj.processEvent(Snapshot.Event.BackupToSecondary);

            DataStore imageStore = findSnapshotImageStore(snapshot);
            if (imageStore == null) {
                throw new CloudRuntimeException("can not find an image stores");
            }

            SnapshotInfo snapshotOnImageStore = (SnapshotInfo)imageStore.create(snapshot);

            snapshotOnImageStore.processEvent(Event.CreateOnlyRequested);
            CopySnapshotContext<CommandResult> context = new CopySnapshotContext<CommandResult>(null, snapshot, snapshotOnImageStore, future);
            AsyncCallbackDispatcher<SnapshotServiceImpl, CopyCommandResult> caller = AsyncCallbackDispatcher.create(this);
            caller.setCallback(caller.getTarget().copySnapshotAsyncCallback(null, null)).setContext(context);
            motionSrv.copyAsync(snapshot, snapshotOnImageStore, caller);
        } catch (Exception e) {
            s_logger.debug("Failed to copy snapshot", e);
            result.setResult("Failed to copy snapshot:" + e.toString());
            try {
                snapObj.processEvent(Snapshot.Event.OperationFailed);
            } catch (NoTransitionException e1) {
                s_logger.debug("Failed to change state: " + e1.toString());
            }
            future.complete(result);
        }

        try {
            SnapshotResult res = future.get();
            if (res.isFailed()) {
                throw new CloudRuntimeException(res.getResult());
            }
            SnapshotInfo destSnapshot = res.getSnashot();
            return destSnapshot;
        } catch (InterruptedException e) {
            s_logger.debug("failed copy snapshot", e);
            throw new CloudRuntimeException("Failed to copy snapshot", e);
        } catch (ExecutionException e) {
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    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);
            } catch (NoTransitionException e) {
                s_logger.debug("Failed to update state: " + e.toString());
            }
            snapResult.setResult(result.getResult());
            future.complete(snapResult);
            return null;
        }

        try {
            CopyCmdAnswer answer = (CopyCmdAnswer)result.getAnswer();
            destSnapshot.processEvent(Event.OperationSuccessed, result.getAnswer());
            srcSnapshot.processEvent(Snapshot.Event.OperationSucceeded);
            snapResult = new SnapshotResult(_snapshotFactory.getSnapshot(destSnapshot.getId(), destSnapshot.getDataStore()), answer);
            future.complete(snapResult);
        } catch (Exception e) {
            s_logger.debug("Failed to update snapshot state", e);
            snapResult.setResult(e.toString());
            future.complete(snapResult);
        }
        return null;
    }
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    protected Void deleteSnapshotCallback(AsyncCallbackDispatcher<SnapshotServiceImpl, CommandResult> callback, DeleteSnapshotContext<CommandResult> context) {

        CommandResult result = callback.getResult();
        AsyncCallFuture<SnapshotResult> future = context.future;
        SnapshotInfo snapshot = context.snapshot;
        SnapshotResult res = null;
        try {
            if (result.isFailed()) {
                s_logger.debug("delete snapshot failed" + result.getResult());
                snapshot.processEvent(ObjectInDataStoreStateMachine.Event.OperationFailed);
                res = new SnapshotResult(context.snapshot, null);
                res.setResult(result.getResult());
            } else {
                snapshot.processEvent(ObjectInDataStoreStateMachine.Event.OperationSuccessed);
                res = new SnapshotResult(context.snapshot, null);
            }
        } catch (Exception e) {
            s_logger.debug("Failed to in deleteSnapshotCallback", e);
            res.setResult(e.toString());
        }
        future.complete(res);
        return null;
    }
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    protected Void revertSnapshotCallback(AsyncCallbackDispatcher<SnapshotServiceImpl, CommandResult> callback, RevertSnapshotContext<CommandResult> context) {

        CommandResult result = callback.getResult();
        AsyncCallFuture<SnapshotResult> future = context.future;
        SnapshotResult res = null;
        try {
            if (result.isFailed()) {
                s_logger.debug("revert snapshot failed" + result.getResult());
                res = new SnapshotResult(context.snapshot, null);
                res.setResult(result.getResult());
            } else {
                res = new SnapshotResult(context.snapshot, null);
            }
        } catch (Exception e) {
            s_logger.debug("Failed to in revertSnapshotCallback", e);
            res.setResult(e.toString());
        }
        future.complete(res);
        return null;
    }
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        AsyncCallbackDispatcher<SnapshotServiceImpl, CommandResult> caller = AsyncCallbackDispatcher.create(this);
        caller.setCallback(caller.getTarget().deleteSnapshotCallback(null, null)).setContext(context);
        DataStore store = snapInfo.getDataStore();
        store.getDriver().deleteAsync(store, snapInfo, caller);

        SnapshotResult result = null;
        try {
            result = future.get();
            if (result.isFailed()) {
                throw new CloudRuntimeException(result.getResult());
            }
            return true;
        } catch (InterruptedException e) {
            s_logger.debug("delete snapshot is failed: " + e.toString());
        } catch (ExecutionException e) {
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Related Classes of org.apache.cloudstack.engine.subsystem.api.storage.SnapshotResult

  • org.apache.cloudstack.storage.snapshot.SnapshotServiceImpl
  • org.apache.cloudstack.storage.snapshot.XenserverSnapshotStrategy
  • org.apache.cloudstack.storage.test.SnapshotTestWithFakeData
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