/// <inheritdoc/>
public Task <Webhook> CreateWebhookAsync(ScalingGroupId groupId, PolicyId policyId, NewWebhookConfiguration configuration, CancellationToken cancellationToken)
{
if (groupId == null)
{
throw new ArgumentNullException("groupId");
}
if (policyId == null)
{
throw new ArgumentNullException("policyId");
}
if (configuration == null)
{
throw new ArgumentNullException("configuration");
}
UriTemplate template = new UriTemplate("/groups/{groupId}/policies/{policyId}/webhooks");
var parameters = new Dictionary <string, string> {
{ "groupId", groupId.Value }, { "policyId", policyId.Value }
};
Func <Task <Tuple <IdentityToken, Uri> >, Task <HttpWebRequest> > prepareRequest =
PrepareRequestAsyncFunc(HttpMethod.POST, template, parameters, new[] { configuration });
Func <Task <HttpWebRequest>, Task <JObject> > requestResource =
GetResponseAsyncFunc <JObject>(cancellationToken);
Func <Task <JObject>, Webhook> resultSelector =
task =>
{
JObject result = task.Result;
if (result == null)
{
return(null);
}
JToken valueToken = result["webhooks"];
if (valueToken == null)
{
return(null);
}
Webhook[] webhooks = valueToken.ToObject <Webhook[]>();
return(webhooks[0]);
};
return(AuthenticateServiceAsync(cancellationToken)
.Then(prepareRequest)
.Then(requestResource)
.Select(resultSelector));
}
/// <summary>
/// Create a webhook capable of anonymously executing a scaling policy.
/// </summary>
/// <param name="service">The Auto Scale service instance.</param>
/// <param name="groupId">The ID of the scaling group. This is obtained from <see cref="ScalingGroup.Id">ScalingGroup.Id</see>.</param>
/// <param name="policyId">The ID of the scaling policy. This is obtained from <see cref="Policy.Id">Policy.Id</see>.</param>
/// <param name="configuration">A <see cref="NewWebhookConfiguration"/> object describing the webhook configuration.</param>
/// <returns>A <see cref="Webhook"/> object describing the newly created webhook.</returns>
/// <exception cref="ArgumentNullException">If <paramref name="service"/> is <see langword="null"/>.</exception>
/// <exception cref="ArgumentNullException">
/// If <paramref name="groupId"/> is <see langword="null"/>.
/// <para>-or-</para>
/// <para>If <paramref name="policyId"/> is <see langword="null"/>.</para>
/// <para>-or-</para>
/// <para>If <paramref name="configuration"/> is <see langword="null"/>.</para>
/// </exception>
/// <exception cref="WebException">If the REST request does not return successfully.</exception>
/// <seealso href="http://docs.rackspace.com/cas/api/v1.0/autoscale-devguide/content/POST_createWebhook_v1.0__tenantId__groups__groupId__policies__policyId__webhooks_autoscale-webhooks.html">Create a webhook (Rackspace Auto Scale Developer Guide - API v1.0)</seealso>
public static Webhook CreateWebhook(this IAutoScaleService service, ScalingGroupId groupId, PolicyId policyId, NewWebhookConfiguration configuration)
{
if (service == null)
{
throw new ArgumentNullException("service");
}
try
{
return(service.CreateWebhookAsync(groupId, policyId, configuration, CancellationToken.None).Result);
}
catch (AggregateException ex)
{
ReadOnlyCollection <Exception> innerExceptions = ex.Flatten().InnerExceptions;
if (innerExceptions.Count == 1)
{
throw innerExceptions[0];
}
throw;
}
}
