/**
* Always close your service when you're done with it.
*
* <p>Note that closing quietly like this is not necessary in Java 7. You would use
* try-with-resources in the main method instead. When jclouds switches to Java 7 the try/catch
* block below can be removed.
*/
public void close() {
if (clb != null) {
try {
clb.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
private Set<Node> getNodes(LoadBalancer loadBalancer) {
NodeApi nodeApi = clb.getNodeApiForZoneAndLoadBalancer(Constants.ZONE, loadBalancer.getId());
Set<Node> nodes = Sets.newHashSet();
for (Node node : nodeApi.list().concat()) {
if (node.getAddress().startsWith("10.180.1")) {
nodes.add(node);
}
}
return nodes;
}
private void init(String[] args) {
// The provider configures jclouds To use the Rackspace Cloud (US)
// To use the Rackspace Cloud (UK) set the provider to "rackspace-cloudloadbalancers-uk"
String provider = "rackspace-cloudloadbalancers-us";
String username = args[0];
String apiKey = args[1];
clb =
ContextBuilder.newBuilder(provider)
.credentials(username, apiKey)
.buildApi(CloudLoadBalancersApi.class);
lbApi = clb.getLoadBalancerApiForZone(Constants.ZONE);
}
private void removeNodesFromLoadBalancer(Set<Node> nodes, LoadBalancer loadBalancer)
throws TimeoutException {
System.out.println("Remove Nodes");
NodeApi nodeApi = clb.getNodeApiForZoneAndLoadBalancer(Constants.ZONE, loadBalancer.getId());
Iterable<Integer> nodeIds = Iterables.transform(nodes, new NodeToInteger());
nodeApi.remove(nodeIds);
// Wait for the Load Balancer to become Active before moving on
// If you want to know what's happening during the polling, enable logging. See
// /jclouds-example/rackspace/src/main/java/org/jclouds/examples/rackspace/Logging.java
if (!LoadBalancerPredicates.awaitAvailable(lbApi).apply(loadBalancer)) {
throw new TimeoutException("Timeout on loadBalancer: " + loadBalancer);
}
System.out.println(" " + nodeIds);
}
