// Create a CSV file and save to Blob storage with the Headers required for our Azure Function processing
// A new request telemetry is created
// The request is part of the parent request (since)
public void CreateBlob(string fileName)
{
///////////////////////////////////////////////////
// Grab existing
///////////////////////////////////////////////////
Microsoft.ApplicationInsights.TelemetryClient telemetryClient = new Microsoft.ApplicationInsights.TelemetryClient();
telemetryClient.Context.User.AuthenticatedUserId = "*****@*****.**";
string traceoperation = null;
string traceparent = null;
System.Console.WriteLine("telemetryClient.Context.Operation.Id: " + telemetryClient.Context.Operation.Id);
System.Console.WriteLine("telemetryClient.Context.Session.Id: " + telemetryClient.Context.Session.Id);
System.Console.WriteLine("telemetryClient.Context.Operation.ParentId: " + telemetryClient.Context.Operation.ParentId);
Microsoft.ApplicationInsights.DataContracts.RequestTelemetry requestTelemetry = new Microsoft.ApplicationInsights.DataContracts.RequestTelemetry();
requestTelemetry.Name = "Create Blob: " + fileName;
//requestTelemetry.Source = requestContext.Replace("appId=",string.Empty);
requestTelemetry.Timestamp = System.DateTimeOffset.Now;
requestTelemetry.Context.Operation.Id = traceoperation;
requestTelemetry.Context.Operation.ParentId = traceparent;
requestTelemetry.Context.User.AuthenticatedUserId = "*****@*****.**";
using (var requestBlock = telemetryClient.StartOperation<Microsoft.ApplicationInsights.DataContracts.RequestTelemetry>(requestTelemetry))
{
///////////////////////////////////////////////////
// Request Telemetry
///////////////////////////////////////////////////
requestBlock.Telemetry.Context.User.AuthenticatedUserId = "*****@*****.**";
if (!string.IsNullOrWhiteSpace(traceoperation))
{
// Use the existing common operation id
requestBlock.Telemetry.Context.Operation.Id = traceoperation;
System.Console.WriteLine("[Use existing] traceoperation: " + traceoperation);
}
else
{
// Set the traceoperation (we did not know it until now)
traceoperation = requestBlock.Telemetry.Context.Operation.Id;
System.Console.WriteLine("[Set the] traceoperation = requestBlock.Telemetry.Context.Operation.Id: " + traceoperation);
}
if (!string.IsNullOrWhiteSpace(traceparent))
{
// Use the existing traceparent
requestBlock.Telemetry.Context.Operation.ParentId = traceparent;
System.Console.WriteLine("[Use existing] traceparent: " + traceparent);
}
else
{
traceparent = requestBlock.Telemetry.Id;
System.Console.WriteLine("[Set the] traceparent = requestBlock.Telemetry.Id: " + traceparent);
}
// Store future parent id
traceparent = requestBlock.Telemetry.Id;
System.Console.WriteLine("traceparent = requestBlock.Telemetry.Id: " + traceparent);
///////////////////////////////////////////////////
// Create Dependency for future Azure Function processing
// NOTE: I trick it by giving a Start Time Offset of Now.AddSeconds(1), so it sorts correctly in the Azure Portal UI
///////////////////////////////////////////////////
string operationName = "Dependency: Blob Event";
// Set the target so it points to the "dependent" app insights account app id
// string target = "03-disttrace-func-blob | cid-v1:676560d0-81fb-4e5b-bfdd-7da1ad11c866"
string target = "03-disttrace-func-blob | cid-v1:" + System.Environment.GetEnvironmentVariable("ai_03_disttrace_web_app_appkey");
string dependencyName = "Dependency Name: Azure Function Blob Trigger";
Microsoft.ApplicationInsights.DataContracts.DependencyTelemetry dependencyTelemetry =
new Microsoft.ApplicationInsights.DataContracts.DependencyTelemetry(
operationName, target, dependencyName,
"02-disttrace-web-app", System.DateTimeOffset.Now.AddSeconds(1), System.TimeSpan.FromSeconds(2), "200", true);
dependencyTelemetry.Context.Operation.Id = traceoperation;
dependencyTelemetry.Context.Operation.ParentId = requestBlock.Telemetry.Id;
// Store future parent id
traceparent = dependencyTelemetry.Id;
System.Console.WriteLine("traceparent = dependencyTelemetry.Id: " + traceparent);
telemetryClient.TrackDependency(dependencyTelemetry);
///////////////////////////////////////////////////
// Blob code
///////////////////////////////////////////////////
string containerName = "appinsightstest";
string storageConnectionString = System.Environment.GetEnvironmentVariable("ai_storage_key");
CloudStorageAccount storageAccount = null;
System.Console.WriteLine("storageConnectionString: " + storageConnectionString);
CloudStorageAccount.TryParse(storageConnectionString, out storageAccount);
System.Collections.Generic.List<string> list = new System.Collections.Generic.List<string>();
list.Add("id,date");
for (int i = 1; i <= 50000; i++)
{
list.Add(i.ToString() + "," + string.Format("{0:MM/dd/yyyy}", System.DateTime.Now));
}
var text = string.Join("\n", list.ToArray());
Microsoft.WindowsAzure.Storage.Blob.CloudBlobClient blobStorage = storageAccount.CreateCloudBlobClient();
blobStorage.DefaultRequestOptions.RetryPolicy = new Microsoft.WindowsAzure.Storage.RetryPolicies.LinearRetry(System.TimeSpan.FromSeconds(1), 10);
Microsoft.WindowsAzure.Storage.Blob.CloudBlobContainer container = blobStorage.GetContainerReference(containerName);
container.CreateIfNotExistsAsync().Wait();
Microsoft.WindowsAzure.Storage.Blob.CloudBlockBlob blob = container.GetBlockBlobReference(fileName);
///////////////////////////////////////////////////
// Set the blob's meta data
// We need the values from the dependency
///////////////////////////////////////////////////
// Request-Context: appId=cid-v1:{The App Id of the current App Insights Account}
string requestContext = "appId=cid-v1:" + System.Environment.GetEnvironmentVariable("ai_02_disttrace_web_app_appkey");
System.Console.WriteLine("Blob Metadata -> requestContext: " + requestContext);
blob.Metadata.Add("RequestContext", requestContext);
// Request-Id / traceparent: {parent request/operation id} (e.g. the Track Dependency)
System.Console.WriteLine("Blob Metadata -> RequestId: " + traceparent);
blob.Metadata.Add("RequestId", traceparent);
System.Console.WriteLine("Blob Metadata -> traceparent: " + traceparent);
blob.Metadata.Add("traceparent", traceparent);
// Traceoperation {common operation id} (e.g. same operation id for all requests in this telemetry pipeline)
System.Console.WriteLine("Blob Metadata -> traceoperation: " + traceoperation);
blob.Metadata.Add("traceoperation", traceoperation);
using (System.IO.MemoryStream memoryStream = new System.IO.MemoryStream(System.Text.Encoding.UTF8.GetBytes(text)))
{
blob.UploadFromStreamAsync(memoryStream).Wait();
}
requestTelemetry.ResponseCode = "200";
requestTelemetry.Success = true;
telemetryClient.StopOperation(requestBlock);
} // using
///////////////////////////////////////////////////
// For Debugging
///////////////////////////////////////////////////
telemetryClient.Flush();
} // Create Blob
private bool IsReadableBadRequest(Microsoft.ApplicationInsights.DataContracts.RequestTelemetry telemetry)
{
return(_httpContextAccessor.HttpContext.Request.Body.CanRead &&
telemetry.ResponseCode == "400");
}
