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

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

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

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


    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());

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    }


    @Override
    public boolean revertSnapshot(Long snapshotId) {
        SnapshotInfo snapshot = _snapshotFactory.getSnapshot(snapshotId, DataStoreRole.Primary);
        PrimaryDataStore store = (PrimaryDataStore)snapshot.getDataStore();


        AsyncCallFuture<SnapshotResult> future = new AsyncCallFuture<SnapshotResult>();
        RevertSnapshotContext<CommandResult> context = new RevertSnapshotContext<CommandResult>(null, snapshot, future);
        AsyncCallbackDispatcher<SnapshotServiceImpl, CommandResult> caller = AsyncCallbackDispatcher.create(this);
        caller.setCallback(caller.getTarget().revertSnapshotCallback(null, null)).setContext(context);

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    // push one individual snapshots currently on cache store to region store if it is not there already
    private void syncSnapshotToRegionStore(long snapshotId, DataStore store){
        // if snapshot is already on region wide object store, check if it is really downloaded there (by checking install_path). Sync snapshot to region
        // wide store if it is not there physically.
        SnapshotInfo snapOnStore = _snapshotFactory.getSnapshot(snapshotId, store);
        if (snapOnStore == null) {
            throw new CloudRuntimeException("Cannot find an entry in snapshot_store_ref for snapshot " + snapshotId + " on region store: " + store.getName());
        }
        if (snapOnStore.getPath() == null || snapOnStore.getPath().length() == 0) {
            if (s_logger.isDebugEnabled()) {
                s_logger.debug("sync snapshot " + snapshotId + " from cache to object store...");
            }
            // snapshot is not on region store yet, sync to region store
            SnapshotInfo srcSnapshot = _snapshotFactory.getReadySnapshotOnCache(snapshotId);
            if (srcSnapshot == null) {
                throw new CloudRuntimeException("Cannot find snapshot " + snapshotId + "  on cache store");
            }
            AsyncCallFuture<SnapshotResult> future = syncToRegionStoreAsync(srcSnapshot, store);
            try {

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    private AsyncCallFuture<SnapshotResult> syncToRegionStoreAsync(SnapshotInfo snapshot, DataStore store) {
        AsyncCallFuture<SnapshotResult> future = new AsyncCallFuture<SnapshotResult>();
        // no need to create entry on snapshot_store_ref here, since entries are already created when updateCloudToUseObjectStore is invoked.
        // But we need to set default install path so that sync can be done in the right s3 path
        SnapshotInfo snapshotOnStore = _snapshotFactory.getSnapshot(snapshot, store);
        String installPath = TemplateConstants.DEFAULT_SNAPSHOT_ROOT_DIR + "/"
                + snapshot.getAccountId() + "/" + snapshot.getVolumeId();
        ((SnapshotObject)snapshotOnStore).setPath(installPath);
        CopySnapshotContext<CommandResult> context = new CopySnapshotContext<CommandResult>(null, snapshot,
                snapshotOnStore, future);

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    }


    protected Void syncSnapshotCallBack(AsyncCallbackDispatcher<SnapshotServiceImpl, CopyCommandResult> callback,
            CopySnapshotContext<CommandResult> context) {
        CopyCommandResult result = callback.getResult();
        SnapshotInfo destSnapshot = context.destSnapshot;
        SnapshotResult res = new SnapshotResult(destSnapshot, null);


        AsyncCallFuture<SnapshotResult> future = context.future;
        try {
            if (result.isFailed()) {
                res.setResult(result.getResult());
                // no change to existing snapshot_store_ref, will try to re-sync later if other call triggers this sync operation
            } else {
                // this will update install path properly, next time it will not sync anymore.
                destSnapshot.processEvent(Event.OperationSuccessed, result.getAnswer());
            }
            future.complete(res);
        } catch (Exception e) {
            s_logger.debug("Failed to process sync snapshot callback", e);
            res.setResult(e.toString());

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    @Test
    public void createVolumeFromSnapshot() throws InterruptedException, ExecutionException {
        VolumeInfo vol = createCopyBaseImage();
        SnapshotVO snapshotVO = createSnapshotInDb(vol);
        SnapshotInfo snapshot = this.snapshotFactory.getSnapshot(snapshotVO.getId(), vol.getDataStore());
        boolean result = false;


        SnapshotStrategy snapshotStrategy = storageStrategyFactory.getSnapshotStrategy(snapshot, SnapshotOperation.TAKE);
        if (snapshotStrategy != null) {
            snapshot = snapshotStrategy.takeSnapshot(snapshot);

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    @Test
    public void deleteSnapshot() throws InterruptedException, ExecutionException {
        VolumeInfo vol = createCopyBaseImage();
        SnapshotVO snapshotVO = createSnapshotInDb(vol);
        SnapshotInfo snapshot = this.snapshotFactory.getSnapshot(snapshotVO.getId(), vol.getDataStore());
        SnapshotInfo newSnapshot = null;


        SnapshotStrategy snapshotStrategy = storageStrategyFactory.getSnapshotStrategy(snapshot, SnapshotOperation.TAKE);
        if (snapshotStrategy != null) {
            newSnapshot = snapshotStrategy.takeSnapshot(snapshot);


        }
        AssertJUnit.assertNotNull(newSnapshot);


        // create another snapshot
        for (SnapshotStrategy strategy : this.snapshotStrategies) {
            if (strategy.canHandle(snapshot, SnapshotOperation.DELETE) != StrategyPriority.CANT_HANDLE) {
                strategy.deleteSnapshot(newSnapshot.getId());
            }
        }


    }

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    @Test
    public void createTemplateFromSnapshot() throws InterruptedException, ExecutionException {
        VolumeInfo vol = createCopyBaseImage();
        SnapshotVO snapshotVO = createSnapshotInDb(vol);
        SnapshotInfo snapshot = this.snapshotFactory.getSnapshot(snapshotVO.getId(), vol.getDataStore());
        boolean result = false;


        SnapshotStrategy snapshotStrategy = storageStrategyFactory.getSnapshotStrategy(snapshot, SnapshotOperation.TAKE);
        if (snapshotStrategy != null) {
            snapshot = snapshotStrategy.takeSnapshot(snapshot);

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    @Test
    public void createSnapshot() throws InterruptedException, ExecutionException {
        VolumeInfo vol = createCopyBaseImage();
        SnapshotVO snapshotVO = createSnapshotInDb(vol);
        SnapshotInfo snapshot = this.snapshotFactory.getSnapshot(snapshotVO.getId(), vol.getDataStore());
        SnapshotInfo newSnapshot = null;


        SnapshotStrategy snapshotStrategy = storageStrategyFactory.getSnapshotStrategy(snapshot, SnapshotOperation.TAKE);
        if (snapshotStrategy != null) {
            newSnapshot = snapshotStrategy.takeSnapshot(snapshot);
        }


        AssertJUnit.assertNotNull(newSnapshot);


        LocalHostEndpoint ep = new MockLocalHostEndPoint();
        ep.setResource(new MockLocalNfsSecondaryStorageResource());
        Mockito.when(epSelector.select(Matchers.any(DataStore.class))).thenReturn(ep);


        try {
            for (SnapshotStrategy strategy : this.snapshotStrategies) {
                if (strategy.canHandle(snapshot, SnapshotOperation.DELETE) != StrategyPriority.CANT_HANDLE) {
                    boolean res = strategy.deleteSnapshot(newSnapshot.getId());
                    Assert.assertTrue(res);
                }
            }
        } finally {
            Mockito.when(epSelector.select(Matchers.any(DataStore.class))).thenReturn(remoteEp);

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    //@Test
    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);

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