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

Example 6 with SnapshotInfo

use of org.apache.cloudstack.engine.subsystem.api.storage.SnapshotInfo 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 7 with SnapshotInfo

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

the class SnapshotServiceImpl method syncSnapshotCallBack.

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());
        future.complete(res);
    }
    return null;
}

Example 8 with SnapshotInfo

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

the class SnapshotServiceImpl method revertSnapshot.

@Override
public boolean revertSnapshot(SnapshotInfo snapshot) {
    SnapshotInfo snapshotOnPrimaryStore = _snapshotFactory.getSnapshot(snapshot.getId(), DataStoreRole.Primary);
    if (snapshotOnPrimaryStore == null) {
        throw new CloudRuntimeException("Cannot find an entry for snapshot " + snapshot.getId() + " on primary storage pools");
    }
    PrimaryDataStore store = (PrimaryDataStore) snapshotOnPrimaryStore.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);
    ((PrimaryDataStoreDriver) store.getDriver()).revertSnapshot(snapshot, snapshotOnPrimaryStore, caller);
    SnapshotResult result = null;
    try {
        result = future.get();
        if (result.isFailed()) {
            throw new CloudRuntimeException(result.getResult());
        }
        return true;
    } catch (InterruptedException e) {
        s_logger.debug("revert snapshot is failed: " + e.toString());
    } catch (ExecutionException e) {
        s_logger.debug("revert snapshot is failed: " + e.toString());
    }
    return false;
}

Example 9 with SnapshotInfo

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

the class SnapshotServiceImpl method findSnapshotImageStore.

// if a snapshot has parent snapshot, the new snapshot should be stored in
// the same store as its parent since
// we are taking delta snapshot
private DataStore findSnapshotImageStore(SnapshotInfo snapshot) {
    Boolean fullSnapshot = true;
    Object payload = snapshot.getPayload();
    if (payload != null) {
        fullSnapshot = (Boolean) payload;
    }
    if (fullSnapshot) {
        return dataStoreMgr.getImageStore(snapshot.getDataCenterId());
    } else {
        SnapshotInfo parentSnapshot = snapshot.getParent();
        // Note that DataStore information in parentSnapshot is for primary
        // data store here, we need to
        // find the image store where the parent snapshot backup is located
        SnapshotDataStoreVO parentSnapshotOnBackupStore = null;
        if (parentSnapshot != null) {
            parentSnapshotOnBackupStore = _snapshotStoreDao.findBySnapshot(parentSnapshot.getId(), DataStoreRole.Image);
        }
        if (parentSnapshotOnBackupStore == null) {
            return dataStoreMgr.getImageStore(snapshot.getDataCenterId());
        }
        return dataStoreMgr.getDataStore(parentSnapshotOnBackupStore.getDataStoreId(), parentSnapshotOnBackupStore.getRole());
    }
}

Example 10 with SnapshotInfo

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

the class SnapshotServiceImpl method syncSnapshotToRegionStore.

// 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 {
            SnapshotResult result = future.get();
            if (result.isFailed()) {
                throw new CloudRuntimeException("sync snapshot from cache to region wide store failed for image store " + store.getName() + ":" + result.getResult());
            }
            // reduce reference count for template on cache, so it can recycled by schedule
            _cacheMgr.releaseCacheObject(srcSnapshot);
        } catch (Exception ex) {
            throw new CloudRuntimeException("sync snapshot from cache to region wide store failed for image store " + store.getName());
        }
    }
}