@Override
public boolean apply(Allocation allocInfo) throws MetadataException {
RunInstancesType request = allocInfo.getRequest();
String zoneName = request.getAvailabilityZone();
if (Clusters.getInstance().listValues().isEmpty()) {
LOG.debug("enabled values: " + Joiner.on("\n").join(Clusters.getInstance().listValues()));
LOG.debug("disabled values: " + Joiner.on("\n").join(Clusters.getInstance().listValues()));
throw new VerificationException(
"Not enough resources: no cluster controller is currently available to run instances.");
} else if (Partitions.exists(zoneName)) {
Partition partition = Partitions.lookupByName(zoneName);
allocInfo.setPartition(partition);
} else if (Partition.DEFAULT_NAME.equals(zoneName)) {
Partition partition = Partition.DEFAULT;
allocInfo.setPartition(partition);
} else {
throw new VerificationException(
"Not enough resources: no cluster controller is currently available to run instances.");
}
return true;
}
