}
@Override
public ImageStore discoverImageStore(AddImageStoreCmd cmd) throws IllegalArgumentException, DiscoveryException, InvalidParameterValueException {
String providerName = cmd.getProviderName();
DataStoreProvider storeProvider = _dataStoreProviderMgr.getDataStoreProvider(providerName);
if (storeProvider == null) {
storeProvider = _dataStoreProviderMgr.getDefaultImageDataStoreProvider();
if (storeProvider == null) {
throw new InvalidParameterValueException("can't find image store provider: " + providerName);
}
providerName = storeProvider.getName(); // ignored passed provider name and use default image store provider name
}
Long dcId = cmd.getZoneId();
Map details = cmd.getDetails();
ScopeType scopeType = ScopeType.ZONE;
if (dcId == null) {
scopeType = ScopeType.REGION;
}
// check if scope is supported by store provider
if (!((ImageStoreProvider) storeProvider).isScopeSupported(scopeType)) {
throw new InvalidParameterValueException("Image store provider " + providerName + " does not support scope " + scopeType);
}
// check if we have already image stores from other different providers,
// we currently are not supporting image stores from different
// providers co-existing
List<ImageStoreVO> imageStores = _imageStoreDao.listImageStores();
for (ImageStoreVO store : imageStores) {
if (!store.getProviderName().equalsIgnoreCase(providerName)) {
throw new InvalidParameterValueException("You can only add new image stores from the same provider " + store.getProviderName()
+ " already added");
}
}
if (dcId != null) {
// Check if the zone exists in the system
DataCenterVO zone = _dcDao.findById(dcId);
if (zone == null) {
throw new InvalidParameterValueException("Can't find zone by id " + dcId);
}
Account account = UserContext.current().getCaller();
if (Grouping.AllocationState.Disabled == zone.getAllocationState() && !_accountMgr.isRootAdmin(account.getType())) {
PermissionDeniedException ex = new PermissionDeniedException(
"Cannot perform this operation, Zone with specified id is currently disabled");
ex.addProxyObject(zone.getUuid(), "dcId");
throw ex;
}
}
Map<String, Object> params = new HashMap<String, Object>();
params.put("zoneId", dcId);
params.put("url", cmd.getUrl());
params.put("name", cmd.getName());
params.put("details", details);
params.put("scope", scopeType);
params.put("providerName", storeProvider.getName());
params.put("role", DataStoreRole.Image);
DataStoreLifeCycle lifeCycle = storeProvider.getDataStoreLifeCycle();
DataStore store;
try {
store = lifeCycle.initialize(params);
} catch (Exception e) {
s_logger.debug("Failed to add data store", e);