@PrePersist
private void updateRedundantConfig() {
// Checks to see if other SCs exist in the same partition and uses the same backend config if it
// exists.
if (this.blockStorageManager == null && this.getPartition() != null) {
for (ServiceConfiguration s :
ServiceConfigurations.listPartition(Storage.class, this.getPartition())) {
StorageControllerConfiguration otherSc = (StorageControllerConfiguration) s;
this.blockStorageManager =
otherSc.getBlockStorageManager() != null ? otherSc.getBlockStorageManager() : null;
}
}
}
@Override
public boolean apply(Class arg0) {
EntityTransaction db = Entities.get(StorageControllerConfiguration.class);
try {
// Get local IP addresses or host names
Set<String> localAddresses = Internets.getAllLocalHostNamesIps();
List<StorageControllerConfiguration> entities =
Entities.query(new StorageControllerConfiguration());
for (StorageControllerConfiguration entry : entities) {
// This SC is running on the local machine, upgrade its block storage manager config
if (localAddresses.contains(entry.getHostName())) {
LOG.debug("Upgrading SC config " + entry.getPartition());
entry.setBlockStorageManager(loadLocalBlockStorageManagerConfig());
LOG.debug(
"Set storage manager "
+ entry.getBlockStorageManager()
+ " for SC "
+ entry.getPartition());
break;
}
}
db.commit();
return true;
} catch (Exception ex) {
db.rollback();
throw Exceptions.toUndeclared(ex);
}
}