public Set<String> validateRegisteredNodes(ClientModel client) {
Map<String, Integer> registeredNodes = client.getRegisteredNodes();
if (registeredNodes == null || registeredNodes.isEmpty()) {
return Collections.emptySet();
}
int currentTime = Time.currentTime();
Set<String> validatedNodes = new TreeSet<String>();
if (client.getNodeReRegistrationTimeout() > 0) {
List<String> toRemove = new LinkedList<String>();
for (Map.Entry<String, Integer> entry : registeredNodes.entrySet()) {
Integer lastReRegistration = entry.getValue();
if (lastReRegistration + client.getNodeReRegistrationTimeout() < currentTime) {
toRemove.add(entry.getKey());
} else {
validatedNodes.add(entry.getKey());
}
}
// Remove time-outed nodes
for (String node : toRemove) {
client.unregisterNode(node);
}
} else {
// Periodic node reRegistration is disabled, so allow all nodes
validatedNodes.addAll(registeredNodes.keySet());
}
return validatedNodes;
}
/**
* Unregister a cluster node from the client
*
* @param node
*/
@Path("nodes/{node}")
@DELETE
@NoCache
public void unregisterNode(final @PathParam("node") String node) {
auth.requireManage();
if (client == null) {
throw new NotFoundException("Could not find client");
}
if (logger.isDebugEnabled()) logger.debug("Unregister node: " + node);
Integer time = client.getRegisteredNodes().get(node);
if (time == null) {
throw new NotFoundException("Client does not have node ");
}
client.unregisterNode(node);
adminEvent
.operation(OperationType.DELETE)
.resource(ResourceType.CLUSTER_NODE)
.resourcePath(uriInfo)
.success();
}
@Override
public void unregisterNode(String nodeHost) {
getDelegateForUpdate();
updated.unregisterNode(nodeHost);
}
