Examples with ErrorOnEmptyFilter com.emc.storageos.volumecontroller.impl.smis.srdf.collectors.ErrorOnEmptyFilter used on opensource projects

Example 1 with ErrorOnEmptyFilter

use of com.emc.storageos.volumecontroller.impl.smis.srdf.collectors.ErrorOnEmptyFilter in project coprhd-controller by CoprHD.

the class SRDFOperations method performSwap.

public void performSwap(StorageSystem targetSystem, Volume target, TaskCompleter completer) {
    log.info("START performSwap");
    checkTargetHasParentOrFail(target);
    ServiceError error = null;
    try {
        Volume sourceVolume = getSourceVolume(target);
        StorageSystem activeSystem = findProviderWithGroup(target);
        Collection<CIMObjectPath> syncPaths = utils.getSynchronizations(activeSystem, sourceVolume, target, false);
        CIMInstance firstSync = getInstance(syncPaths.iterator().next(), activeSystem);
        AbstractSRDFOperationContextFactory ctxFactory = getContextFactory(activeSystem);
        SRDFOperationContext ctx = null;
        if (!isFailedOver(firstSync)) {
            log.info("Failing over link");
            ctx = ctxFactory.build(SRDFOperation.FAIL_OVER, target);
            ctx.perform();
        }
        ctx = ctxFactory.build(SRDFOperation.SWAP, target);
        ctx.perform();
        log.info("Swapping Volume Pair {} succeeded ", sourceVolume.getId());
        log.info("Changing R1 and R2 characteristics after swap");
        LinkStatus successLinkStatus = LinkStatus.SWAPPED;
        if (LinkStatus.SWAPPED.name().equalsIgnoreCase(target.getLinkStatus())) {
            // Already swapped. Move back to CONSISTENT or IN_SYNC.
            if (Mode.ASYNCHRONOUS.name().equalsIgnoreCase(target.getSrdfCopyMode())) {
                successLinkStatus = LinkStatus.CONSISTENT;
            } else {
                successLinkStatus = LinkStatus.IN_SYNC;
            }
        }
        changeSRDFVolumeBehaviors(sourceVolume, target, dbClient, successLinkStatus.toString());
        log.info("Updating RemoteDirectorGroup after swap");
        changeRemoteDirectorGroup(target.getSrdfGroup());
        StorageSystem sourceSystemAfterSwap = dbClient.queryObject(StorageSystem.class, target.getStorageController());
        // we run all SRDF operations using RDF group's source provider.
        // target provider needs to be refreshed to perform any snap/clone operations following swap.
        callEMCRefresh(helper, sourceSystemAfterSwap);
        // Refresh our view of the target, since it is now the source volume.
        target = dbClient.queryObject(Volume.class, sourceVolume.getId());
        boolean success = false;
        int attempts = 1;
        while (!success && attempts <= RESUME_AFTER_SWAP_MAX_ATTEMPTS) {
            try {
                // Use new context to perform resume operation.
                AbstractSRDFOperationContextFactory establishFactory = getContextFactory(activeSystem);
                ctx = establishFactory.build(SRDFOperation.ESTABLISH, target);
                ctx.appendFilters(new ErrorOnEmptyFilter());
                ctx.perform();
                success = true;
            } catch (WBEMException | NoSynchronizationsFoundException e) {
                log.warn(format(RESUME_AFTER_SWAP_EXCEPTION_MSG, attempts, RESUME_AFTER_SWAP_MAX_ATTEMPTS), e);
                attempts++;
                Thread.sleep(RESUME_AFTER_SWAP_SLEEP);
            }
        }
        if (!success) {
            URI sourceId = target.getSrdfParent().getURI();
            String msg = format("Failed to resume SRDF link after swap for source: %s", sourceId);
            log.error(msg);
            error = SmisException.errors.establishAfterSwapFailure(sourceId.toString(), target.getId().toString());
        }
    } catch (RemoteGroupAssociationNotFoundException e) {
        log.warn("No remote group association found for {}. It may have already been removed.", target.getId());
    } catch (Exception e) {
        log.error("Failed to swap srdf link {}", target.getSrdfParent().getURI(), e);
        error = getServiceError(e);
    } finally {
        if (error == null) {
            completer.ready(dbClient);
        } else {
            completer.error(dbClient, error);
        }
    }
}