public async Task TestListNodeServiceEvents()
{
ILoadBalancerService provider = CreateProvider();
using (CancellationTokenSource cancellationTokenSource = new CancellationTokenSource(TestTimeout(TimeSpan.FromSeconds(60))))
{
IPHostEntry entry = await Task.Factory.FromAsync<IPHostEntry>(Dns.BeginGetHostEntry("docs.rackspace.com", null, null), Dns.EndGetHostEntry);
IEnumerable<LoadBalancingProtocol> protocols = await provider.ListProtocolsAsync(cancellationTokenSource.Token);
LoadBalancingProtocol httpProtocol = protocols.First(i => i.Name.Equals("HTTP", StringComparison.OrdinalIgnoreCase));
string loadBalancerName = CreateRandomLoadBalancerName();
LoadBalancerConfiguration configuration = new LoadBalancerConfiguration(
name: loadBalancerName,
nodes: new[] { new NodeConfiguration(entry.AddressList[0], 80, NodeCondition.Enabled, NodeType.Primary, null) },
protocol: httpProtocol,
virtualAddresses: new[] { new LoadBalancerVirtualAddress(LoadBalancerVirtualAddressType.ServiceNet) },
algorithm: LoadBalancingAlgorithm.RoundRobin);
LoadBalancer tempLoadBalancer = await provider.CreateLoadBalancerAsync(configuration, AsyncCompletionOption.RequestCompleted, cancellationTokenSource.Token, null);
Node node = tempLoadBalancer.Nodes.Single();
Assert.AreEqual(LoadBalancerStatus.Active, tempLoadBalancer.Status);
NodeUpdate updatedNodeConfiguration = new NodeUpdate(condition: NodeCondition.Draining);
await provider.UpdateNodeAsync(tempLoadBalancer.Id, node.Id, updatedNodeConfiguration, AsyncCompletionOption.RequestCompleted, cancellationTokenSource.Token, null);
NodeServiceEvent[] serviceEvents = ListAllNodeServiceEvents(provider, tempLoadBalancer.Id, null, cancellationTokenSource.Token).ToArray();
if (!serviceEvents.Any())
Assert.Inconclusive("The load balancer did not report any node service events.");
/* Cleanup
*/
await provider.RemoveLoadBalancerAsync(tempLoadBalancer.Id, AsyncCompletionOption.RequestCompleted, cancellationTokenSource.Token, null);
}
}
public static void UpdateNode(this ILoadBalancerService service, LoadBalancerId loadBalancerId, NodeId nodeId, NodeUpdate configuration)
{
if (service == null)
throw new ArgumentNullException("service");
try
{
service.UpdateNodeAsync(loadBalancerId, nodeId, configuration, AsyncCompletionOption.RequestSubmitted, CancellationToken.None, null).Wait();
}
catch (AggregateException ex)
{
ReadOnlyCollection<Exception> innerExceptions = ex.Flatten().InnerExceptions;
if (innerExceptions.Count == 1)
throw innerExceptions[0];
throw;
}
}
