private void OnStop()
{
var activity = Activity.Current;
if (activity is null)
{
Logger.Trace()?.Log("Current activity is null - exiting");
return;
}
if (!_processingSegments.TryRemove(activity.Id, out var span))
{
Logger.Trace()?.Log(
"Could not find segment for activity {ActivityId} in tracked segments",
activity.Id);
return;
}
if (span.Context.Destination is null)
{
var urlTag = activity.Tags.FirstOrDefault(t => t.Key == "url").Value;
if (BlobUrl.TryCreate(urlTag, out var blobUrl))
{
span.Name += $" {blobUrl.ResourceName}";
SetDestination(span, blobUrl);
}
}
span.Outcome = Outcome.Success;
span.End();
}
private static void SetDestination(ISpan span, BlobUrl blobUrl) =>
span.Context.Destination = new Destination
{
Address = blobUrl.FullyQualifiedNamespace,
Service = new Destination.DestinationService
{
Resource = $"{AzureBlobStorage.SubType}/{blobUrl.StorageAccountName}"
}
};
public static bool TryCreate(string url, out BlobUrl blobUrl)
{
if (Uri.TryCreate(url, UriKind.Absolute, out var uri))
{
blobUrl = new BlobUrl(uri);
return(true);
}
blobUrl = null;
return(false);
}
private void OnStart(KeyValuePair <string, object> kv, string action)
{
var currentSegment = ApmAgent.GetCurrentExecutionSegment();
if (currentSegment is null)
{
Logger.Trace()?.Log("No current transaction or span - exiting");
return;
}
if (!(kv.Value is Activity activity))
{
Logger.Trace()?.Log("Value is not an activity - exiting");
return;
}
var urlTag = activity.Tags.FirstOrDefault(t => t.Key == "url").Value;
var blobUrl = new BlobUrl(urlTag);
var spanName = $"{AzureBlobStorage.SpanName} {action} {blobUrl.ResourceName}";
var span = currentSegment.StartSpan(spanName, ApiConstants.TypeStorage, AzureBlobStorage.SubType, action);
if (span is Span realSpan)
{
realSpan.InstrumentationFlag = InstrumentationFlag.Azure;
}
span.Context.Destination = new Destination
{
Address = blobUrl.FullyQualifiedNamespace,
Service = new Destination.DestinationService
{
Name = AzureBlobStorage.SubType,
Resource = $"{AzureBlobStorage.SubType}/{blobUrl.StorageAccountName}",
Type = ApiConstants.TypeStorage
}
};
if (!_processingSegments.TryAdd(activity.Id, span))
{
Logger.Trace()
?.Log(
"Could not add {Action} span {SpanId} for activity {ActivityId} to tracked spans",
action,
span.Id,
activity.Id);
}
}
private void OnStart(KeyValuePair <string, object> kv, string action)
{
var currentSegment = ApmAgent.GetCurrentExecutionSegment();
if (currentSegment is null)
{
Logger.Trace()?.Log("No current transaction or span - exiting");
return;
}
if (!(kv.Value is Activity activity))
{
Logger.Trace()?.Log("Value is not an activity - exiting");
return;
}
var urlTag = activity.Tags.FirstOrDefault(t => t.Key == "url").Value;
var spanName = BlobUrl.TryCreate(urlTag, out var blobUrl)
? $"{AzureBlobStorage.SpanName} {action} {blobUrl.ResourceName}"
: $"{AzureBlobStorage.SpanName} {action}";
var span = currentSegment.StartSpan(spanName, ApiConstants.TypeStorage, AzureBlobStorage.SubType, action, true);
if (span is Span realSpan)
{
realSpan.InstrumentationFlag = InstrumentationFlag.Azure;
}
if (blobUrl != null)
{
SetDestination(span, blobUrl);
}
if (!_processingSegments.TryAdd(activity.Id, span))
{
Logger.Trace()
?.Log(
"Could not add {Action} span {SpanId} for activity {ActivityId} to tracked spans",
action,
span.Id,
activity.Id);
}
}
public ISpan StartSpan(IApmAgent agent, string method, Uri requestUrl, Func <string, string> headerGetter)
{
var blobUrl = new BlobUrl(requestUrl);
string action = null;
switch (method)
{
case "DELETE":
action = "Delete";
break;
case "GET":
if (requestUrl.Query.Contains("restype=container"))
{
if (requestUrl.Query.Contains("comp=list"))
{
action = "ListBlobs";
}
else if (requestUrl.Query.Contains("comp=acl"))
{
action = "GetAcl";
}
else
{
action = "GetProperties";
}
}
else
{
if (requestUrl.Query.Contains("comp=metadata"))
{
action = "GetMetadata";
}
else if (requestUrl.Query.Contains("comp=list"))
{
action = "ListContainers";
}
else if (requestUrl.Query.Contains("comp=tags"))
{
action = requestUrl.Query.Contains("where=") ? "FindTags" : "GetTags";
}
else
{
action = "Download";
}
}
break;
case "HEAD":
if (requestUrl.Query.Contains("comp=metadata"))
{
action = "GetMetadata";
}
else if (requestUrl.Query.Contains("comp=acl"))
{
action = "GetAcl";
}
else
{
action = "GetProperties";
}
break;
case "POST":
if (requestUrl.Query.Contains("comp=batch"))
{
action = "Batch";
}
else if (requestUrl.Query.Contains("comp=query"))
{
action = "Query";
}
break;
case "PUT":
if (!string.IsNullOrEmpty(headerGetter("x-ms-copy-source")))
{
action = "Copy";
}
else if (requestUrl.Query.Contains("comp=copy"))
{
action = "Abort";
}
else if (!string.IsNullOrEmpty(headerGetter("x-ms-blob-type")) ||
requestUrl.Query.Contains("comp=block") ||
requestUrl.Query.Contains("comp=blocklist") ||
requestUrl.Query.Contains("comp=page") ||
requestUrl.Query.Contains("comp=appendblock"))
{
action = "Upload";
}
else if (requestUrl.Query.Contains("comp=metadata"))
{
action = "SetMetadata";
}
else if (requestUrl.Query.Contains("comp=acl"))
{
action = "SetAcl";
}
else if (requestUrl.Query.Contains("comp=properties"))
{
action = "SetProperties";
}
else if (requestUrl.Query.Contains("comp=lease"))
{
action = "Lease";
}
else if (requestUrl.Query.Contains("comp=snapshot"))
{
action = "Snapshot";
}
else if (requestUrl.Query.Contains("comp=undelete"))
{
action = "Undelete";
}
else if (requestUrl.Query.Contains("comp=tags"))
{
action = "SetTags";
}
else if (requestUrl.Query.Contains("comp=tier"))
{
action = "SetTier";
}
else if (requestUrl.Query.Contains("comp=expiry"))
{
action = "SetExpiry";
}
else if (requestUrl.Query.Contains("comp=seal"))
{
action = "Seal";
}
else
{
action = "Create";
}
break;
}
if (action is null)
{
return(null);
}
var name = $"{AzureBlobStorage.SpanName} {action} {blobUrl.ResourceName}";
var span = ExecutionSegmentCommon.StartSpanOnCurrentExecutionSegment(agent, name,
ApiConstants.TypeStorage, AzureBlobStorage.SubType, InstrumentationFlag.Azure, true);
span.Action = action;
span.Context.Destination = new Destination
{
Address = blobUrl.FullyQualifiedNamespace,
Service = new Destination.DestinationService
{
Name = AzureBlobStorage.SubType,
Resource = $"{AzureBlobStorage.SubType}/{blobUrl.ResourceName}",
Type = ApiConstants.TypeStorage
}
};
if (span is Span realSpan)
{
realSpan.InstrumentationFlag = InstrumentationFlag.Azure;
}
return(span);
}
