/// <summary>
/// ScaleOut middleware to add telemetry for scale-out events.
/// </summary>
/// <param name="context">Owin context</param>
/// <returns>Returns task</returns>
public override async Task Invoke(IOwinContext context)
{
if (object.Equals(context.Request.Path, this.callbackPath))
{
string body = context.GetRequestBody();
if (!string.IsNullOrEmpty(body))
{
try
{
JObject payload = JsonConvert.DeserializeObject(body) as JObject;
if (payload != null)
{
var operation = payload["operation"] != null ? payload["operation"].Value <string>() : null;
var status = payload["status"] != null ? payload["status"].Value <string>() : null;
var contextObject = payload["context"] != null ? payload["context"] as JObject : null;
if (operation != null && status != null && contextObject != null)
{
var timestamp = contextObject["timestamp"] != null ? contextObject["timestamp"].Value <string>() : null;
var details = contextObject["details"] != null ? contextObject["details"].Value <string>() : null;
var resourceId = contextObject["resourceId"] != null ? contextObject["resourceId"].Value <string>() : null;
var oldCapacity = contextObject["oldCapacity"] != null ? contextObject["oldCapacity"].Value <string>() : null;
var newCapacity = contextObject["newCapacity"] != null ? contextObject["newCapacity"].Value <string>() : null;
// Temp changes till this jarvis event this is not fixed
ADXTrace.Instance.TraceInfo(TraceCategory.Application, string.Format("ScaleOut webhook notification. Status: {0}, Operation: {1}, TimeStamp: {2}, Details: {3}, ResourceId: {4}, OldCapacity: {5}, NewCapacity: {6}",
status, operation, timestamp, details, resourceId, oldCapacity, newCapacity));
CmsEventSource.Log.ScaleOutNotification(status, operation, timestamp, details, oldCapacity, newCapacity, resourceId);
}
else
{
ADXTrace.Instance.TraceWarning(TraceCategory.Application, string.Format("The payload for scaleout webhook notification is missing essential data to log data. Request.Body: {0}", body));
}
}
else
{
ADXTrace.Instance.TraceWarning(TraceCategory.Application, string.Format("Something is wrong in the scaleout webhook notification payload. {0}", body));
}
}
catch (Exception ex)
{
ADXTrace.Instance.TraceWarning(TraceCategory.Application, string.Format("Could not deserialize ScaleOut webhook notification payload. Request.Body: {0} Exception: {1}", body, ex.Message));
}
}
}
else
{
await Next.Invoke(context);
}
}
public override async Task Invoke(IOwinContext context)
{
if (Equals(context.Request.Path, this.Options.CallbackPath))
{
var request = new PluginMessageRequest
{
Authorization = context.Request.Headers["Authorization"],
ContentType = context.Request.ContentType,
Body = context.GetRequestBody()
};
var message = this.GetPluginMessage(request.Body);
if (message != null && WebNotificationCryptography.ValidateRequest(request.Authorization))
{
ADXTrace.Instance.TraceInfo(TraceCategory.Application, "Posting message");
await this.PostAsync(context, message).WithCurrentCulture();
}
}
await this.Next.Invoke(context);
}
