Examples with Initiator com.emc.storageos.db.client.model.Initiator used on opensource projects

Example 26 with Initiator

use of com.emc.storageos.db.client.model.Initiator in project coprhd-controller by CoprHD.

the class AbstractDefaultMaskingOrchestrator method maskAppliesToMultipleHosts.

/**
 * Check to see if this mask applies to multiple hosts already.
 * Helps us to determine if this is a qualifying mask for brownfield
 *
 * @param mask
 *            export mask
 * @return true if the mask has initiators from multiple hosts
 */
protected boolean maskAppliesToMultipleHosts(ExportMask mask) {
    Set<URI> existingMaskHosts = new HashSet<URI>();
    Set<URI> initiatorIds = ExportMaskUtils.getAllInitiatorsForExportMask(_dbClient, mask);
    for (URI initiatorId : initiatorIds) {
        // We should have a non-null initiator URI at this point
        Initiator initiator = _dbClient.queryObject(Initiator.class, initiatorId);
        if (initiator == null) {
            _log.info(String.format("maskAppliesToMultipleHosts - Initiator %s does not exist in DB", initiatorId.toString()));
            continue;
        }
        existingMaskHosts.add(initiator.getHost());
    }
    return existingMaskHosts.size() > 1;
}

Example 27 with Initiator

use of com.emc.storageos.db.client.model.Initiator in project coprhd-controller by CoprHD.

the class AbstractDefaultMaskingOrchestrator method processInitiators.

/**
 * A utility for processing initiators and updating data structures. The data
 * structures are for mapping an initiator reference on the array, which is
 * in terms of a WWN/IQN, to an initiator reference in ViPR, which is in terms of
 * URI. There's an optional parameter to return a list of host URIs referenced by
 * the list of initiators. There's an optional parameter to return a Multimap of
 * compute resource to a list of array port WWNs.
 *
 * @param exportGroup
 *            [in] - ExportGroup object
 * @param initiators
 *            [in] - Initiator objects to process
 * @param portNames
 *            [out] - Port names/WWNs of the initiators
 * @param portNameToInitiatorURI
 *            [out] - Map of port name/WWN to initiator URI
 * @param hostURIs
 *            [out] - Optional. List of URIs of the hosts that list of
 *            initiators point to.
 * @param computeResourceToPortNames
 *            [out] - Optional. Multimap of compute String
 *            name to List of portNames.
 */
protected void processInitiators(ExportGroup exportGroup, Collection<Initiator> initiators, Collection<String> portNames, Map<String, URI> portNameToInitiatorURI, Collection<URI> hostURIs, ListMultimap<String, String> computeResourceToPortNames) {
    for (Initiator initiator : initiators) {
        String normalizedName = Initiator.normalizePort(initiator.getInitiatorPort());
        portNames.add(normalizedName);
        portNameToInitiatorURI.put(normalizedName, initiator.getId());
        if (hostURIs != null) {
            if (!NullColumnValueGetter.isNullURI(initiator.getHost()) && !hostURIs.contains(initiator.getHost())) {
                hostURIs.add(initiator.getHost());
            }
        }
        if (computeResourceToPortNames != null) {
            String computeResourceId;
            if (exportGroup != null && exportGroup.forCluster()) {
                computeResourceId = initiator.getClusterName();
            } else {
                URI hostURI = initiator.getHost();
                if (hostURI == null) {
                    // Bogus URI for those initiators without a host object,
                    // helps maintain a good map. We want to put bunch up the non-host
                    // initiators together.
                    hostURI = NullColumnValueGetter.getNullURI();
                }
                computeResourceId = hostURI.toString();
            }
            computeResourceToPortNames.put(computeResourceId, normalizedName);
        }
    }
}

Example 28 with Initiator

use of com.emc.storageos.db.client.model.Initiator in project coprhd-controller by CoprHD.

the class AbstractDefaultMaskingOrchestrator method determineInitiatorToExportMaskPlacements.

/**
 * Routine will examine the ExportGroup object's ExportMask and the passed in map of
 * compute-resource-to-initiators map to produce a mapping of the ExportMasks'
 * initiator port name to a list of ExportMask URIs.
 *
 * @param exportGroup
 *            [in] - ExportGroup object to examine
 * @param storage
 * @param computeResourceToInitiators
 *            [in] - Mapping of compute resource string key to
 *            list of Initiator URIs. @return Map of String to set of URIs. The key will be
 *            Initiator.normalizePort(initiator.portName).
 * @param partialMasks
 *            [out] - list of masks that were found to be "partial" masks, where there are multiple masks that make
 *            up one
 *            compute resource
 *            Value will be set of ExportMask URIs.
 */
protected Map<String, Set<URI>> determineInitiatorToExportMaskPlacements(ExportGroup exportGroup, URI storage, Map<String, List<URI>> computeResourceToInitiators, Map<String, Set<URI>> initiatorToExportMapOnArray, Map<String, URI> portNameToInitiatorURI, Set<URI> partialMasks) {
    Map<String, Set<URI>> initiatorToExportMaskURIMap = new HashMap<String, Set<URI>>();
    Map<String, Set<URI>> computeResourceToExportMaskMap = ExportMaskUtils.mapComputeResourceToExportMask(_dbClient, exportGroup, storage);
    Set<URI> allExportMaskURIs = new HashSet<>();
    // associated with the ExportGroup
    for (Map.Entry<String, List<URI>> entry : computeResourceToInitiators.entrySet()) {
        String computeResource = entry.getKey();
        List<URI> initiatorSet = entry.getValue();
        if (computeResourceToExportMaskMap.get(computeResource) != null) {
            for (URI exportMaskURI : computeResourceToExportMaskMap.get(computeResource)) {
                if (exportMaskURI == null) {
                    _log.info(String.format("determineInitiatorToExportMaskPlacements - No ExportMask for compute resource %s in ExportGroup %s", computeResource, exportGroup.getLabel()));
                    continue;
                }
                for (URI initiatorURI : initiatorSet) {
                    Initiator initiator = _dbClient.queryObject(Initiator.class, initiatorURI);
                    if (initiator == null) {
                        continue;
                    }
                    String normalizedName = Initiator.normalizePort(initiator.getInitiatorPort());
                    Set<URI> exportMaskURIs = initiatorToExportMaskURIMap.get(normalizedName);
                    if (exportMaskURIs == null) {
                        exportMaskURIs = new TreeSet<URI>();
                        initiatorToExportMaskURIMap.put(normalizedName, exportMaskURIs);
                    }
                    exportMaskURIs.add(exportMaskURI);
                }
            }
        }
    }
    // when combined, make up a cluster masking view
    for (Map.Entry<String, Set<URI>> entry : initiatorToExportMapOnArray.entrySet()) {
        allExportMaskURIs.addAll(entry.getValue());
    }
    Collection<URI> volumes = new HashSet<URI>();
    if (exportGroup.getVolumes() != null) {
        volumes = Collections2.transform(exportGroup.getVolumes().keySet(), CommonTransformerFunctions.FCTN_STRING_TO_URI);
    }
    ExportPathParams exportPathParams = _blockScheduler.calculateExportPathParamForVolumes(volumes, 0, storage, exportGroup.getId());
    _log.info(String.format("determineInitiatorToExportMaskPlacements - ExportGroup=%s, exportPathParams=%s", exportGroup.getId().toString(), exportPathParams));
    URI portGroup = exportPathParams.getPortGroup();
    _log.info(String.format("Port group: %s", portGroup));
    // Update mapping based on what is seen on the array
    for (Map.Entry<String, Set<URI>> entry : initiatorToExportMapOnArray.entrySet()) {
        String portName = entry.getKey();
        // Validate this initiator and determine if it exists in the database
        URI initiatorURI = portNameToInitiatorURI.get(portName);
        if (initiatorURI == null) {
            URIQueryResultList uris = new URIQueryResultList();
            _dbClient.queryByConstraint(AlternateIdConstraint.Factory.getInitiatorPortInitiatorConstraint(portName), uris);
            if (!uris.iterator().hasNext()) {
                // There is no such initiator
                _log.info(String.format("determineInitiatorToExportMaskPlacements - Could not find initiator port %s in DB", portName));
                continue;
            }
            initiatorURI = uris.iterator().next();
        }
        // We should have a non-null initiator URI at this point
        Initiator initiator = _dbClient.queryObject(Initiator.class, initiatorURI);
        if (initiator == null) {
            _log.info(String.format("determineInitiatorToExportMaskPlacements - Initiator %s does not exist in DB", initiatorURI.toString()));
            continue;
        }
        _log.info(String.format("determineInitiatorToExportMaskPlacements - Scanning masks that contain initiator %s to see if those masks qualify for consideration for re-use", initiator.getInitiatorPort()));
        // This container is for capturing those ExportMasks that we find to
        // be matching based on the initiators, but unusable based on the
        // StoragePorts that the mask has. Basically, in order for a mask to
        // be considered a match, the initiators have to match, but the
        // StoragePorts have to be in the same Network as the ExportGroup's
        // VArray Network.
        Map<URI, Map<String, String>> masksWithUnmatchedStoragePorts = new HashMap<URI, Map<String, String>>();
        // Take a look at the ExportMask's initiators to see what compute resource that they support.
        String computeResource = ExportUtils.computeResourceForInitiator(exportGroup, initiator);
        List<URI> uriList = computeResourceToInitiators.get(computeResource);
        List<String> portsForComputeResource = new ArrayList<String>();
        Iterator<Initiator> iterator = _dbClient.queryIterativeObjects(Initiator.class, uriList);
        while (iterator.hasNext()) {
            portsForComputeResource.add(iterator.next().getInitiatorPort());
        }
        // At this point we have a non-null initiator object that we can use in the mapping
        Map<URI, Integer> maskToTotalMatchingPorts = new HashMap<URI, Integer>();
        int totalPorts = 0;
        Set<URI> candidateExportMaskURIs = new HashSet<URI>();
        Set<URI> exportMaskURIs = entry.getValue();
        for (URI exportMaskURI : exportMaskURIs) {
            ExportMask mask = _dbClient.queryObject(ExportMask.class, exportMaskURI);
            if (mask == null || mask.getInactive()) {
                continue;
            }
            _log.info(String.format("determineInitiatorToExportMaskPlacements - Checking to see if we can consider mask %s, given its initiators, storage ports, and volumes", mask.getMaskName()));
            // Check for NO_VIPR. If found, avoid this mask.
            if (mask.getMaskName() != null && mask.getMaskName().toUpperCase().contains(ExportUtils.NO_VIPR)) {
                _log.info(String.format("ExportMask %s disqualified because the name contains %s (in upper or lower case) to exclude it", mask.getMaskName(), ExportUtils.NO_VIPR));
                continue;
            }
            Map<String, String> storagePortToNetworkName = new HashMap<String, String>();
            if (mask.getCreatedBySystem()) {
                if (mask.getResource().equals(computeResource)) {
                    if (maskHasPortGroup(mask, portGroup) && maskHasStoragePortsInExportVarray(exportGroup, mask, initiator, storagePortToNetworkName)) {
                        _log.info(String.format("determineInitiatorToExportMaskPlacements - ViPR-created mask %s qualifies for consideration for re-use", mask.getMaskName()));
                        candidateExportMaskURIs.add(exportMaskURI);
                        totalPorts += storagePortToNetworkName.keySet().size();
                        maskToTotalMatchingPorts.put(exportMaskURI, totalPorts);
                    // Ingest Fix : In ingest case, more than 1 export mask with createdBySystem flag set to
                    // true is possible
                    // remove the break statement
                    // break; First ViPR-created ExportMask associated with the resource, we will use
                    } else {
                        masksWithUnmatchedStoragePorts.put(exportMaskURI, storagePortToNetworkName);
                        _log.info(String.format("determineInitiatorToExportMaskPlacements - ViPR-created mask %s does not qualify for consideration for re-use due to storage ports mismatch with varray.", mask.getMaskName()));
                    }
                } else {
                    _log.info(String.format("determineInitiatorToExportMaskPlacements - ViPR-created mask %s does not qualify for consideration for re-use due to compute resource mismatch.", mask.getMaskName()));
                }
            } else if (maskHasInitiatorsBasedOnExportType(exportGroup, mask, initiator, portsForComputeResource) || maskHasInitiatorsBasedOnExportType(exportGroup, mask, allExportMaskURIs, portsForComputeResource, partialMasks)) {
                if (maskHasPortGroup(mask, portGroup) && maskHasStoragePortsInExportVarray(exportGroup, mask, initiator, storagePortToNetworkName)) {
                    _log.info(String.format("determineInitiatorToExportMaskPlacements - Pre-existing mask %s qualifies for consideration for re-use", mask.getMaskName()));
                    // This is a non-ViPR create ExportMask and it has the initiator
                    // as an existing initiator. Add it this as a matching candidate
                    candidateExportMaskURIs.add(exportMaskURI);
                    // We don't have zone ingest information for pre-existing masks, so for the purpose of
                    // matching more coexistence masks, we assume there are zones from every port to every
                    // initiator in the mask.
                    // Existing Initiators - initiators which are not userAdded.
                    int existingInitiators = mask.getExistingInitiators() == null ? 0 : mask.getExistingInitiators().size();
                    int userAddedInitators = mask.getUserAddedInitiators() == null ? 0 : mask.getUserAddedInitiators().size();
                    int totalInitiators = existingInitiators + userAddedInitators;
                    totalPorts += storagePortToNetworkName.keySet().size() * totalInitiators;
                    maskToTotalMatchingPorts.put(exportMaskURI, totalPorts);
                } else {
                    masksWithUnmatchedStoragePorts.put(exportMaskURI, storagePortToNetworkName);
                    _log.info(String.format("determineInitiatorToExportMaskPlacements - Pre-existing mask %s does not qualify for consideration for re-use due to storage ports mismatch with varray.", mask.getMaskName()));
                }
            } else {
                _log.info(String.format("determineInitiatorToExportMaskPlacements - Pre-existing mask %s does not qualify for consideration for re-use due to initiators not suitable for export group type.", mask.getMaskName()));
            }
        }
        if (!candidateExportMaskURIs.isEmpty()) {
            if (validateCandidateMasksAgainstExportPathParams(exportPathParams, maskToTotalMatchingPorts)) {
                _log.info(String.format("determineInitiatorToExportMaskPlacements - Initiator %s (%s) will be mapped to these ExportMask URIs: %s", portName, initiatorURI.toString(), Joiner.on(',').join(exportMaskURIs)));
                initiatorToExportMaskURIMap.put(portName, candidateExportMaskURIs);
            }
        } else {
            if (masksWithUnmatchedStoragePorts.isEmpty()) {
                _log.info(String.format("determineInitiatorToExportMaskPlacements - Could not find ExportMask to which %s can be associated", portName));
            } else {
                // We found matching exports on the array, but they were not viable due to
                // the StoragePorts used (they were pointing to a different VArray), so we should
                // warn the user in this case. We will likely still attempt to make a new mask,
                // so if the user doesn't prefer that, this message will tell them why we took that
                // path.
                StringBuilder exportMaskInfo = new StringBuilder();
                for (Map.Entry<URI, Map<String, String>> maskToStoragePortsEntry : masksWithUnmatchedStoragePorts.entrySet()) {
                    URI exportMaskURI = maskToStoragePortsEntry.getKey();
                    Map<String, String> storagePortToNetworks = maskToStoragePortsEntry.getValue();
                    ExportMask mask = _dbClient.queryObject(ExportMask.class, exportMaskURI);
                    exportMaskInfo.append(String.format("MaskingView=%s StoragePorts [ %s ]%n", mask.getMaskName(), Joiner.on(',').join(storagePortToNetworks.entrySet())));
                }
                VirtualArray virtualArray = _dbClient.queryObject(VirtualArray.class, exportGroup.getVirtualArray());
                Exception e = DeviceControllerException.exceptions.existingExportFoundButWithSPsInDifferentNetwork(virtualArray.getLabel(), exportMaskInfo.toString());
                _log.warn(e.getMessage());
            }
        }
    }
    _log.info(String.format("determineInitiatorToExportMaskPlacements - initiatorToExportMaskURIMap: %s", Joiner.on(',').join(initiatorToExportMaskURIMap.entrySet())));
    return initiatorToExportMaskURIMap;
}

Example 29 with Initiator

use of com.emc.storageos.db.client.model.Initiator in project coprhd-controller by CoprHD.

the class AbstractDefaultMaskingOrchestrator method getInitiatorToExportMaskMap.

/**
 * Routine will examine the ExportGroup object's ExportMask and produce a mapping of the ExportMasks'
 * initiator port name to a list of ExportMask URIs.
 *
 * @param exportGroup
 *            [in] - ExportGroup object to examine
 * @return Map of String to set of URIs. The key will be Initiator.normalizePort(initiator.portName).
 *         Value will be set of ExportMask URIs.
 */
protected Map<String, Set<URI>> getInitiatorToExportMaskMap(ExportGroup exportGroup) {
    Map<String, Set<URI>> mapping = new HashMap<String, Set<URI>>();
    for (ExportMask exportMask : ExportMaskUtils.getExportMasks(_dbClient, exportGroup)) {
        if (ExportMaskUtils.isUsable(exportMask)) {
            Set<Initiator> initiators = ExportMaskUtils.getInitiatorsForExportMask(_dbClient, exportMask, null);
            for (Initiator initiator : initiators) {
                String name = Initiator.normalizePort(initiator.getInitiatorPort());
                Set<URI> maskURIs = mapping.get(name);
                if (maskURIs == null) {
                    maskURIs = new HashSet<URI>();
                    mapping.put(name, maskURIs);
                }
                maskURIs.add(exportMask.getId());
            }
        }
    }
    return mapping;
}

Example 30 with Initiator

use of com.emc.storageos.db.client.model.Initiator in project coprhd-controller by CoprHD.

the class NetworkScheduler method getInitiators.

/**
 * Returns a list of initiators from a list of Initiator URIs
 *
 * @param initiatorURIs -- a List of Initiator URIs
 * @return List<Initiator> where each Initiator is active and type FC
 */
private List<Initiator> getInitiators(Collection<URI> initiatorURIs) {
    List<Initiator> initiators = new ArrayList<Initiator>();
    Iterator<Initiator> queryIterativeInitiators = _dbClient.queryIterativeObjects(Initiator.class, initiatorURIs);
    while (queryIterativeInitiators.hasNext()) {
        Initiator initiator = queryIterativeInitiators.next();
        if (initiator == null || initiator.getInactive() == true) {
            continue;
        }
        if (StorageProtocol.block2Transport(initiator.getProtocol()) != Transport.FC) {
            continue;
        }
        initiators.add(initiator);
    }
    return initiators;
}