/** look up the current standard images and do not error out, if they are not found. */
@Override
public Iterable<DriveInfo> listImages() {
Iterable<? extends DriveInfo> drives =
transformParallel(
client.listStandardDrives(),
new Function<String, Future<? extends DriveInfo>>() {
@Override
public Future<DriveInfo> apply(String input) {
try {
return Futures.immediateFuture(cache.getUnchecked(input));
} catch (CacheLoader.InvalidCacheLoadException e) {
logger.debug("drive %s not found", input);
} catch (UncheckedExecutionException e) {
logger.warn(e, "error finding drive %s: %s", input, e.getMessage());
}
return Futures.immediateFuture(null);
}
@Override
public String toString() {
return "seedDriveCache()";
}
},
executor,
null,
logger,
"drives");
return Iterables2.concreteCopy(filter(drives, PREINSTALLED_DISK));
}
