Examples with Method com.emc.storageos.workflow.Workflow.Method used on opensource projects

Example 1 with Method

use of com.emc.storageos.workflow.Workflow.Method in project coprhd-controller by CoprHD.

the class SRDFDeviceController method createNonCGSrdfPairStepsOnPopulatedGroup.

/**
 * This method creates steps to create SRDF pairs in a populated SRDF group.
 *
 * @param sourceDescriptors list of source volume descriptors
 * @param targetDescriptors list of target volume descriptors
 * @param group reference to RemoteDirectorGroup
 * @param uriVolumeMap map of volume URI to volume object
 * @param waitFor String waitFor of previous step, we wait on this to complete
 * @param workflow Reference to Workflow
 * @return stepId
 */
private String createNonCGSrdfPairStepsOnPopulatedGroup(List<VolumeDescriptor> sourceDescriptors, List<VolumeDescriptor> targetDescriptors, RemoteDirectorGroup group, Map<URI, Volume> uriVolumeMap, String waitFor, Workflow workflow) {
    StorageSystem system = dbClient.queryObject(StorageSystem.class, group.getSourceStorageSystemUri());
    URI vpoolChangeUri = getVirtualPoolChangeVolume(sourceDescriptors);
    log.info("VPoolChange URI {}", vpoolChangeUri);
    List<URI> sourceURIs = VolumeDescriptor.getVolumeURIs(sourceDescriptors);
    List<URI> targetURIs = new ArrayList<>();
    for (URI sourceURI : sourceURIs) {
        Volume source = uriVolumeMap.get(sourceURI);
        StringSet srdfTargets = source.getSrdfTargets();
        for (String targetStr : srdfTargets) {
            URI targetURI = URI.create(targetStr);
            targetURIs.add(targetURI);
        }
    }
    Mode SRDFMode = getSRDFMode(sourceDescriptors, uriVolumeMap);
    /*
         * Invoke Suspend on the SRDF group as more ACTIVE pairs cannot added until all other
         * existing pairs are in NOT-READY state
         */
    // Suspend All the pairs in RDF Group only if its change Virtual Pool operation, the reason being the format flag introduced in Trinity
    // would wipe data on the source volumes. Data in source volumes is only possible during change Virtual Pool operations, hence going ahead with
    // suspending all the pairs.
    String suspendGroupStep = waitFor;
    if (Mode.ACTIVE.equals(SRDFMode) && !NullColumnValueGetter.isNullURI(vpoolChangeUri)) {
        Method suspendGroupMethod = suspendSRDFGroupMethod(system.getId(), group, sourceURIs, targetURIs);
        Method resumeRollbackMethod = resumeSRDFGroupMethod(system.getId(), group, sourceURIs, targetURIs);
        suspendGroupStep = workflow.createStep(CREATE_SRDF_ACTIVE_VOLUME_PAIR_STEP_GROUP, SUSPEND_SRDF_MIRRORS_STEP_DESC, waitFor, system.getId(), system.getSystemType(), getClass(), suspendGroupMethod, resumeRollbackMethod, null);
    }
    /*
         * Invoke CreateListReplica with all source/target pairings.
         */
    Method createListMethod = createListReplicasMethod(system.getId(), sourceURIs, targetURIs, vpoolChangeUri, false);
    // false here because we want to rollback individual links not the entire (pre-existing) group.
    Method rollbackMethod = rollbackSRDFLinksMethod(system.getId(), sourceURIs, targetURIs, false, !NullColumnValueGetter.isNullURI(vpoolChangeUri));
    String createListReplicaStep = workflow.createStep(CREATE_SRDF_ACTIVE_VOLUME_PAIR_STEP_GROUP, CREATE_SRDF_ACTIVE_VOLUME_PAIR_STEP_DESC, suspendGroupStep, system.getId(), system.getSystemType(), getClass(), createListMethod, rollbackMethod, null);
    String resumeGroupStep = createListReplicaStep;
    /*
         * Invoke Resume on the SRDF group to get all pairs back in the READY state.
         */
    if (Mode.ACTIVE.equals(SRDFMode) && !NullColumnValueGetter.isNullURI(vpoolChangeUri)) {
        Method resumeGroupMethod = resumeSRDFGroupMethod(system.getId(), group, sourceURIs, targetURIs);
        resumeGroupStep = workflow.createStep(CREATE_SRDF_ACTIVE_VOLUME_PAIR_STEP_GROUP, RESUME_SRDF_MIRRORS_STEP_DESC, createListReplicaStep, system.getId(), system.getSystemType(), getClass(), resumeGroupMethod, rollbackMethodNullMethod(), null);
    }
    return resumeGroupStep;
}

Example 2 with Method

use of com.emc.storageos.workflow.Workflow.Method in project coprhd-controller by CoprHD.

the class SRDFDeviceController method deleteAllSrdfVolumesInCG.

/**
 * Delete All SRDF Volumes in CG in one attempt.
 *
 * @param sourcesVolumeMap
 * @param workflow
 * @param waitFor
 * @return
 */
private String deleteAllSrdfVolumesInCG(Map<URI, Volume> sourcesVolumeMap, final Workflow workflow, String waitFor, final List<VolumeDescriptor> sourceDescriptors) {
    // TODO Improve this logic
    Volume sourceVolume = sourcesVolumeMap.get(sourceDescriptors.get(0).getVolumeURI());
    Volume targetVolume = getFirstTarget(sourceVolume);
    if (targetVolume == null) {
        log.info("No target volume available for source {}", sourceVolume.getId());
        return waitFor;
    }
    RemoteDirectorGroup group = dbClient.queryObject(RemoteDirectorGroup.class, targetVolume.getSrdfGroup());
    StorageSystem sourceSystem = dbClient.queryObject(StorageSystem.class, group.getSourceStorageSystemUri());
    StorageSystem targetSystem = dbClient.queryObject(StorageSystem.class, group.getRemoteStorageSystemUri());
    // Suspend all members in the group
    Method method = suspendSRDFGroupLinkMethod(targetSystem.getId(), sourceVolume.getId(), targetVolume.getId(), false);
    String splitStep = workflow.createStep(DELETE_SRDF_MIRRORS_STEP_GROUP, SPLIT_SRDF_MIRRORS_STEP_DESC, waitFor, targetSystem.getId(), targetSystem.getSystemType(), getClass(), method, null, null);
    // Second we detach the group...
    Workflow.Method detachMethod = detachGroupPairsMethod(targetSystem.getId(), sourceVolume.getId(), targetVolume.getId());
    String detachMirrorStep = workflow.createStep(DELETE_SRDF_MIRRORS_STEP_GROUP, DETACH_SRDF_MIRRORS_STEP_DESC, splitStep, targetSystem.getId(), targetSystem.getSystemType(), getClass(), detachMethod, null, null);
    waitFor = detachMirrorStep;
    List<URI> targetVolumeIds = new ArrayList<URI>();
    for (Volume source : sourcesVolumeMap.values()) {
        StringSet srdfTargets = source.getSrdfTargets();
        for (String srdfTarget : srdfTargets) {
            log.info("suspend and detach: source:{}, target:{}", source.getId(), srdfTarget);
            URI targetURI = URI.create(srdfTarget);
            Volume target = dbClient.queryObject(Volume.class, targetURI);
            if (null == target) {
                log.warn("Target volume {} not available for SRDF source volume {}", source.getId(), targetURI);
                return DELETE_SRDF_MIRRORS_STEP_GROUP;
            }
            log.info("target Volume {} with srdf group {}", target.getNativeGuid(), target.getSrdfGroup());
            // Third we remove the device groups, a defensive step to remove
            // members from deviceGroups if it exists.
            Workflow.Method removeGroupsMethod = removeDeviceGroupsMethod(sourceSystem.getId(), source.getId(), targetURI);
            waitFor = workflow.createStep(DELETE_SRDF_MIRRORS_STEP_GROUP, REMOVE_DEVICE_GROUPS_STEP_DESC, waitFor, sourceSystem.getId(), sourceSystem.getSystemType(), getClass(), removeGroupsMethod, null, null);
        }
    }
    // refresh provider before invoking deleteVolume call
    if (null != targetSystem) {
        addStepToRefreshSystem(DELETE_SRDF_MIRRORS_STEP_GROUP, targetSystem, targetVolumeIds, waitFor, workflow);
    }
    return DELETE_SRDF_MIRRORS_STEP_GROUP;
}

Example 3 with Method

use of com.emc.storageos.workflow.Workflow.Method in project coprhd-controller by CoprHD.

the class SRDFDeviceController method createNonCGSrdfPairStepsOnEmptyGroup.

/**
 * This method creates steps to create SRDF pairs in an empty SRDF group.
 *
 * @param sourceDescriptors list of source volume descriptors
 * @param targetDescriptors list of target volume descriptors
 * @param group reference to RemoteDirectorGroup
 * @param uriVolumeMap map of volume URI to volume object
 * @param waitFor String waitFor of previous step, we wait on this to complete
 * @param workflow Reference to Workflow
 * @return stepId
 */
private String createNonCGSrdfPairStepsOnEmptyGroup(List<VolumeDescriptor> sourceDescriptors, List<VolumeDescriptor> targetDescriptors, RemoteDirectorGroup group, Map<URI, Volume> uriVolumeMap, String waitFor, Workflow workflow) {
    StorageSystem system = dbClient.queryObject(StorageSystem.class, group.getSourceStorageSystemUri());
    URI vpoolChangeUri = getVirtualPoolChangeVolume(sourceDescriptors);
    log.info("VPoolChange URI {}", vpoolChangeUri);
    List<URI> sourceURIs = VolumeDescriptor.getVolumeURIs(sourceDescriptors);
    List<URI> targetURIs = new ArrayList<>();
    for (URI sourceURI : sourceURIs) {
        Volume source = uriVolumeMap.get(sourceURI);
        StringSet srdfTargets = source.getSrdfTargets();
        for (String targetStr : srdfTargets) {
            URI targetURI = URI.create(targetStr);
            targetURIs.add(targetURI);
        }
    }
    /*
         * Invoke CreateListReplica with all source/target pairings.
         */
    Method createListMethod = createListReplicasMethod(system.getId(), sourceURIs, targetURIs, vpoolChangeUri, true);
    // false here because we want to rollback individual links not the entire (pre-existing) group.
    Method rollbackMethod = rollbackSRDFLinksMethod(system.getId(), sourceURIs, targetURIs, false, vpoolChangeUri != null);
    String stepId = workflow.createStep(CREATE_SRDF_ACTIVE_VOLUME_PAIR_STEP_GROUP, CREATE_SRDF_ACTIVE_VOLUME_PAIR_STEP_DESC, waitFor, system.getId(), system.getSystemType(), getClass(), createListMethod, rollbackMethod, null);
    return stepId;
}

Example 4 with Method

use of com.emc.storageos.workflow.Workflow.Method in project coprhd-controller by CoprHD.

the class SRDFDeviceController method addRollbackStepsForRefreshSystems.

/**
 * Add rollback steps for refreshing the target providers.  Currently, for SRDF workflow steps
 * we always try to use the active source provider, so here we will filter only the target descriptors
 * in order to determine their provider, which most likely has gotten out of sync.
 *
 * @param workflow          The workflow instance.
 * @param waitFor           Step ID to wait on until complete.
 * @param srdfDescriptors   All SRDF descriptors.
 * @return                  Step ID.
 */
private String addRollbackStepsForRefreshSystems(Workflow workflow, String waitFor, List<VolumeDescriptor> srdfDescriptors) {
    List<VolumeDescriptor> targetDescriptors = VolumeDescriptor.filterByType(srdfDescriptors, VolumeDescriptor.Type.SRDF_TARGET);
    if (targetDescriptors.isEmpty()) {
        return waitFor;
    }
    URI targetSystem = targetDescriptors.get(0).getDeviceURI();
    StorageSystem tgt = dbClient.queryObject(StorageSystem.class, targetSystem);
    Workflow.Method refreshTargetSystemsMethod = new Method(REFRESH_SRDF_TARGET_SYSTEM, tgt, null);
    workflow.createStep(ROLLBACK_REFRESH_SYSTEM_STEP_GROUP, String.format(ROLLBACK_REFRESH_SYSTEM_STEP_DESC, tgt.getSerialNumber()), waitFor, tgt.getId(), tgt.getSystemType(), this.getClass(), rollbackMethodNullMethod(), refreshTargetSystemsMethod, null);
    return ROLLBACK_REFRESH_SYSTEM_STEP_GROUP;
}

Example 5 with Method

use of com.emc.storageos.workflow.Workflow.Method in project coprhd-controller by CoprHD.

the class SRDFDeviceController method updateSourceAndTargetPairings.

private String updateSourceAndTargetPairings(Workflow workflow, String waitFor, List<VolumeDescriptor> sourceDescriptors, List<VolumeDescriptor> targetDescriptors, Map<URI, Volume> uriVolumeMap) {
    log.info("Creating step to update source and target pairings");
    List<URI> sourceURIs = VolumeDescriptor.getVolumeURIs(sourceDescriptors);
    List<URI> targetURIs = VolumeDescriptor.getVolumeURIs(targetDescriptors);
    Volume firstSource = dbClient.queryObject(Volume.class, sourceURIs.get(0));
    StorageSystem sourceSystem = dbClient.queryObject(StorageSystem.class, firstSource.getStorageController());
    Method method = updateSourceAndTargetPairingsMethod(sourceURIs, targetURIs);
    workflow.createStep(UPDATE_SRDF_PAIRING_STEP_GROUP, UPDATE_SRDF_PAIRING_STEP_GROUP, waitFor, sourceSystem.getId(), sourceSystem.getSystemType(), getClass(), method, rollbackMethodNullMethod(), null);
    return UPDATE_SRDF_PAIRING_STEP_GROUP;
}