use of com.emc.storageos.driver.dellsc.scapi.objects.ScMapping in project coprhd-controller by CoprHD.
the class DellSCProvisioning method getVolumeExportInfo.
/**
* Gets the mapping information for a volume to initiators.
*
* @param volumeId The volume instance ID.
* @param systemId The storage system ID.
* @return The mapping details. Map of HostName:HostExportInfo
*/
public Map<String, HostExportInfo> getVolumeExportInfo(String volumeId, String systemId) {
Map<String, HostExportInfo> result = new HashMap<>();
Map<String, ScServer> serverCache = new HashMap<>();
Map<String, Initiator> serverPortCache = new HashMap<>();
Map<String, StoragePort> portCache = new HashMap<>();
try {
StorageCenterAPI api = connectionManager.getConnection(systemId);
ScVolume scVol = api.getVolume(volumeId);
if (scVol == null) {
throw new DellSCDriverException(String.format("Volume %s could not be found.", volumeId));
}
ScMapping[] maps = api.getVolumeMaps(scVol.instanceId);
for (ScMapping map : maps) {
populateVolumeExportInfo(api, volumeId, map, result, serverCache, serverPortCache, portCache);
}
} catch (StorageCenterAPIException | DellSCDriverException dex) {
String message = String.format("Error getting export info for volume %s: %s", volumeId, dex);
LOG.warn(message);
}
return result;
}
use of com.emc.storageos.driver.dellsc.scapi.objects.ScMapping in project coprhd-controller by CoprHD.
the class StorageCenterAPI method getVolumeMaps.
/**
* Gets the individual maps for a volume.
*
* @param instanceId The volume instance ID.
* @return The mappings.
* @throws StorageCenterAPIException
*/
public ScMapping[] getVolumeMaps(String instanceId) throws StorageCenterAPIException {
RestResult rr = restClient.get(String.format("StorageCenter/ScVolume/%s/MappingList", instanceId));
if (checkResults(rr)) {
return gson.fromJson(rr.getResult(), ScMapping[].class);
}
String message = String.format("Error getting volume maps: %s", rr.getErrorMsg());
throw new StorageCenterAPIException(message);
}
use of com.emc.storageos.driver.dellsc.scapi.objects.ScMapping in project coprhd-controller by CoprHD.
the class StorageCenterAPI method getMappingProfileMaps.
/**
* Gets the individual maps created for a mapping profile.
*
* @param instanceId The mapping profile instance ID.
* @return The mappings.
* @throws StorageCenterAPIException
*/
public ScMapping[] getMappingProfileMaps(String instanceId) throws StorageCenterAPIException {
RestResult rr = restClient.get(String.format("StorageCenter/ScMappingProfile/%s/MappingList", instanceId));
if (checkResults(rr)) {
return gson.fromJson(rr.getResult(), ScMapping[].class);
}
String message = String.format("Error getting volume maps: %s", rr.getErrorMsg());
throw new StorageCenterAPIException(message);
}
use of com.emc.storageos.driver.dellsc.scapi.objects.ScMapping in project coprhd-controller by CoprHD.
the class DellSCProvisioning method exportVolumesToInitiators.
/**
* Export volumes to initiators through a given set of ports. If ports are
* not provided, use port requirements from ExportPathsServiceOption
* storage capability.
*
* @param initiators The initiators to export to.
* @param volumes The volumes to export.
* @param volumeToHLUMap Map of volume nativeID to requested HLU. HLU
* value of -1 means that HLU is not defined and will
* be assigned by array.
* @param recommendedPorts List of storage ports recommended for the export.
* Optional.
* @param availablePorts List of ports available for the export.
* @param capabilities The storage capabilities.
* @param usedRecommendedPorts True if driver used recommended and only
* recommended ports for the export, false
* otherwise.
* @param selectedPorts Ports selected for the export (if recommended ports
* have not been used).
* @return The export task.
* @throws DellSCDriverException
*/
public DriverTask exportVolumesToInitiators(List<Initiator> initiators, List<StorageVolume> volumes, Map<String, String> volumeToHLUMap, List<StoragePort> recommendedPorts, List<StoragePort> availablePorts, StorageCapabilities capabilities, MutableBoolean usedRecommendedPorts, List<StoragePort> selectedPorts) {
LOG.info("Exporting volumes to inititators");
DellSCDriverTask task = new DellSCDriverTask("exportVolumes");
ScServer server = null;
List<ScServerHba> preferredHbas = new ArrayList<>();
StringBuilder errBuffer = new StringBuilder();
int volumesMapped = 0;
Set<StoragePort> usedPorts = new HashSet<>();
String preferredController = null;
// Cache of controller port instance IDs to StoragePort objects
Map<String, StoragePort> discoveredPorts = new HashMap<>();
// See if a max port count has been specified
int maxPaths = -1;
List<ExportPathsServiceOption> pathOptions = capabilities.getCommonCapabilitis().getExportPathParams();
for (ExportPathsServiceOption pathOption : pathOptions) {
// List but appears to only ever have one option?
maxPaths = pathOption.getMaxPath();
}
// Get the recommended server ports to use
List<String> recommendedServerPorts = new ArrayList<>();
for (StoragePort port : recommendedPorts) {
recommendedServerPorts.add(port.getNativeId());
}
for (StorageVolume volume : volumes) {
String ssn = volume.getStorageSystemId();
try {
StorageCenterAPI api = connectionManager.getConnection(ssn);
// Find our actual volume
ScVolume scVol = null;
int dotCount = StringUtils.countMatches(volume.getNativeId(), ".");
if (dotCount == 2) {
// Not actually a volume
scVol = api.createReplayView(volume.getNativeId(), String.format("View of %s", volume.getNativeId()));
} else {
// Normal volume instance ID
scVol = api.getVolume(volume.getNativeId());
}
if (scVol == null) {
throw new DellSCDriverException(String.format("Unable to find volume %s", volume.getNativeId()));
}
// Look up the server if needed
if (server == null) {
server = createOrFindScServer(api, ssn, initiators, preferredHbas);
}
if (server == null) {
// Unable to find or create the server, can't continue
throw new DellSCDriverException(SERVER_CREATE_FAIL_MSG);
}
// See if we have a preferred controller
if (preferredController == null && scVol.active) {
// At least first volume is active somewhere, so we need to try to
// use that controller for all mappings
ScVolumeConfiguration volConfig = api.getVolumeConfig(scVol.instanceId);
if (volConfig != null) {
preferredController = volConfig.controller.instanceId;
}
}
// Next try to get a preferred controller based on what's requested
if (preferredController == null && !recommendedPorts.isEmpty()) {
try {
ScControllerPort scPort = api.getControllerPort(recommendedPorts.get(0).getNativeId());
preferredController = scPort.controller.instanceId;
} catch (Exception e) {
LOG.warn("Failed to get recommended port controller.", e);
}
}
int preferredLun = -1;
if (volumeToHLUMap.containsKey(volume.getNativeId())) {
String hlu = volumeToHLUMap.get(volume.getNativeId());
try {
preferredLun = Integer.parseInt(hlu);
} catch (NumberFormatException e) {
LOG.warn("Unable to parse preferred LUN {}", hlu);
}
}
ScMappingProfile profile;
// See if the volume is already mapped
ScMappingProfile[] mappingProfiles = api.getServerVolumeMapping(scVol.instanceId, server.instanceId);
if (mappingProfiles.length > 0) {
// This one is already mapped
profile = mappingProfiles[0];
} else {
profile = api.createVolumeMappingProfile(scVol.instanceId, server.instanceId, preferredLun, new String[0], maxPaths, preferredController);
}
ScMapping[] maps = api.getMappingProfileMaps(profile.instanceId);
for (ScMapping map : maps) {
volumeToHLUMap.put(volume.getNativeId(), String.valueOf(map.lun));
StoragePort port;
if (discoveredPorts.containsKey(map.controllerPort.instanceId)) {
port = discoveredPorts.get(map.controllerPort.instanceId);
} else {
ScControllerPort scPort = api.getControllerPort(map.controllerPort.instanceId);
port = util.getStoragePortForControllerPort(api, scPort);
discoveredPorts.put(map.controllerPort.instanceId, port);
}
usedPorts.add(port);
}
volumesMapped++;
LOG.info("Volume '{}' exported to server '{}'", scVol.name, server.name);
} catch (StorageCenterAPIException | DellSCDriverException dex) {
String error = String.format("Error mapping volume %s: %s", volume.getDisplayName(), dex);
LOG.error(error);
errBuffer.append(String.format("%s%n", error));
if (SERVER_CREATE_FAIL_MSG.equals(dex.getMessage())) {
// Game over
break;
}
}
}
// See if we were able to use all of the recommended ports
// TODO: Expand this to do more accurate checking
usedRecommendedPorts.setValue(recommendedPorts.size() == usedPorts.size());
if (!usedRecommendedPorts.isTrue()) {
selectedPorts.addAll(usedPorts);
}
task.setMessage(errBuffer.toString());
if (volumesMapped == volumes.size()) {
task.setStatus(TaskStatus.READY);
} else if (volumesMapped == 0) {
task.setStatus(TaskStatus.FAILED);
} else {
task.setStatus(TaskStatus.PARTIALLY_FAILED);
}
return task;
}
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