@Override
public void fireEvent(final ClockTick event) {
if (Bootstrap.isFinished() && Hosts.isCoordinator()) {
final List<ResourceAvailabilityEvent> resourceAvailabilityEvents = Lists.newArrayList();
final Map<ResourceAvailabilityEvent.ResourceType, AvailabilityAccumulator> availabilities =
Maps.newEnumMap(ResourceAvailabilityEvent.ResourceType.class);
final Iterable<VmType> vmTypes = Lists.newArrayList(VmTypes.list());
for (final Cluster cluster : Clusters.getInstance().listValues()) {
availabilities.put(Core, new AvailabilityAccumulator(VmType.SizeProperties.Cpu));
availabilities.put(Disk, new AvailabilityAccumulator(VmType.SizeProperties.Disk));
availabilities.put(Memory, new AvailabilityAccumulator(VmType.SizeProperties.Memory));
for (final VmType vmType : vmTypes) {
final ResourceState.VmTypeAvailability va =
cluster.getNodeState().getAvailability(vmType.getName());
resourceAvailabilityEvents.add(
new ResourceAvailabilityEvent(
Instance,
new ResourceAvailabilityEvent.Availability(
va.getMax(),
va.getAvailable(),
Lists.<ResourceAvailabilityEvent.Tag>newArrayList(
new ResourceAvailabilityEvent.Dimension(
"availabilityZone", cluster.getPartition()),
new ResourceAvailabilityEvent.Dimension("cluster", cluster.getName()),
new ResourceAvailabilityEvent.Type("vm-type", vmType.getName())))));
for (final AvailabilityAccumulator availability : availabilities.values()) {
availability.total =
Math.max(
availability.total, va.getMax() * availability.valueExtractor.apply(vmType));
availability.available =
Math.max(
availability.available,
va.getAvailable() * availability.valueExtractor.apply(vmType));
}
}
for (final AvailabilityAccumulator availability : availabilities.values()) {
availability.rollUp(
Lists.<ResourceAvailabilityEvent.Tag>newArrayList(
new ResourceAvailabilityEvent.Dimension(
"availabilityZone", cluster.getPartition()),
new ResourceAvailabilityEvent.Dimension("cluster", cluster.getName())));
}
}
for (final Map.Entry<ResourceAvailabilityEvent.ResourceType, AvailabilityAccumulator> entry :
availabilities.entrySet()) {
resourceAvailabilityEvents.add(
new ResourceAvailabilityEvent(entry.getKey(), entry.getValue().availabilities));
}
for (final ResourceAvailabilityEvent resourceAvailabilityEvent : resourceAvailabilityEvents)
try {
ListenerRegistry.getInstance().fireEvent(resourceAvailabilityEvent);
} catch (Exception ex) {
logger.error(ex, ex);
}
}
}
