/**
* Prepare the ViPR BlockSnapshotSession instance for the pass BlockSnapshot instance.
*
* @param snapshot A reference to the snapshot.
* @return A reference to the newly created snapshot session.
*/
private BlockSnapshotSession prepareSnapshotSession(BlockSnapshot snapshot) {
s_logger.info("Prepare BlockSnapshotSession for snapshot {}", snapshot.getId());
BlockSnapshotSession snapshotSession = new BlockSnapshotSession();
URI snapSessionURI = URIUtil.createId(BlockSnapshotSession.class);
snapshotSession.setId(snapSessionURI);
snapshotSession.setSessionLabel(getSessionLabelFromSettingsInstance(snapshot));
URI cgURI = snapshot.getConsistencyGroup();
if (NullColumnValueGetter.isNullURI(cgURI)) {
snapshotSession.setParent(snapshot.getParent());
snapshotSession.setLabel(snapshot.getLabel());
} else {
snapshotSession.setConsistencyGroup(cgURI);
snapshotSession.setLabel(snapshot.getSnapsetLabel());
Volume parent = getDbClient().queryObject(Volume.class, snapshot.getParent());
if (parent != null) {
snapshotSession.setReplicationGroupInstance(parent.getReplicationGroupInstance());
snapshotSession.setSessionSetName(parent.getReplicationGroupInstance());
}
}
snapshotSession.setProject(snapshot.getProject());
snapshotSession.setStorageController(snapshot.getStorageController());
snapshotSession.setSessionInstance(snapshot.getSettingsInstance());
StringSet linkedTargets = new StringSet();
linkedTargets.add(snapshot.getId().toString());
snapshotSession.setLinkedTargets(linkedTargets);
return snapshotSession;
}
/**
* Determines if the storage system for the passed BlockSnapshot instance supports snapshot
* sessions.
*
* @param snapshot A reference to the snapshot.
* @return true if the system for the passed snapshot supports snapshot sessions, false otherwise.
*/
private boolean isSnapshotSessionSupported(BlockSnapshot snapshot) {
boolean isSupported = false;
URI systemURI = snapshot.getStorageController();
StorageSystem system = dbClient.queryObject(StorageSystem.class, systemURI);
if ((system != null) && (system.checkIfVmax3())) {
s_logger.info(
"BlockSnapshotSession supported for snapshot {}:{}",
snapshot.getId(),
snapshot.getLabel());
isSupported = true;
}
return isSupported;
}