More updates for the current OTel (OpenTelemetry) conventions

CONTRIBUTING.md

@@ -76,6 +76,27 @@ Here's the recommended workflow:
 If what you are going to work on is a substantial change, please first
 ask the core team for their opinion on the [RabbitMQ users mailing list][rmq-users].
 
+### Building Source
+
+To build the projects first, clone the repository. Make sure you clone the
+repository and its submodules:
+
+It is good practice to make sure you can build the project before making any
+changes to confirm that your development environment is set
+up correctly. Verifying that the tests pass is also a good practice (see
+[RUNNING_TESTS.md](/RUNNING_TESTS.md)).
+
+All together, this looks like:
+
+```shell
+git clone --recurse-submodules https://github.com/rabbitmq/rabbitmq-dotnet-client
+cd rabbitmq-dotnet-client
+dotnet build ./Build.csproj
+./.ci/ubuntu/gha-setup.sh   # On any Linux distribution with Docker installed
+./.ci/windows/gha-setup.ps1 # On Windows
+make test
+```
+
 ### Running Tests
 
 See [RUNNING_TESTS.md](/RUNNING_TESTS.md).

projects/RabbitMQ.Client/Impl/Channel.BasicPublish.cs

@@ -62,7 +62,7 @@ await MaybeEnforceFlowControlAsync(cancellationToken)
                 var cmd = new BasicPublish(exchange, routingKey, mandatory, default);
 
                 using Activity? sendActivity = RabbitMQActivitySource.PublisherHasListeners
-                    ? RabbitMQActivitySource.Send(routingKey, exchange, body.Length)
+                    ? RabbitMQActivitySource.BasicPublish(routingKey, exchange, body.Length)
                     : default;
 
                 ulong publishSequenceNumber = 0;
@@ -117,7 +117,7 @@ await MaybeEnforceFlowControlAsync(cancellationToken)
                 var cmd = new BasicPublishMemory(exchange.Bytes, routingKey.Bytes, mandatory, default);
 
                 using Activity? sendActivity = RabbitMQActivitySource.PublisherHasListeners
-                    ? RabbitMQActivitySource.Send(routingKey.Value, exchange.Value, body.Length)
+                    ? RabbitMQActivitySource.BasicPublish(routingKey.Value, exchange.Value, body.Length)
                     : default;
 
                 ulong publishSequenceNumber = 0;

projects/RabbitMQ.Client/Impl/Channel.cs

@@ -918,10 +918,10 @@ await ModelSendAsync(in method, k.CancellationToken)
                 BasicGetResult? result = await k;
 
                 using Activity? activity = result != null
-                    ? RabbitMQActivitySource.Receive(result.RoutingKey,
+                    ? RabbitMQActivitySource.BasicGet(result.RoutingKey,
                         result.Exchange,
                         result.DeliveryTag, result.BasicProperties, result.Body.Length)
-                    : RabbitMQActivitySource.ReceiveEmpty(queue);
+                    : RabbitMQActivitySource.BasicGetEmpty(queue);
 
                 activity?.SetStartTime(k.StartTime);
 

projects/RabbitMQ.Client/Impl/RabbitMQActivitySource.cs

@@ -15,7 +15,15 @@ public static class RabbitMQActivitySource
         // https://opentelemetry.io/docs/specs/semconv/messaging/messaging-spans/#messaging-attributes
         internal const string MessageId = "messaging.message.id";
         internal const string MessageConversationId = "messaging.message.conversation_id";
-        internal const string MessagingOperation = "messaging.operation";
+        internal const string MessagingOperationName = "messaging.operation.name";
+        internal const string MessagingOperationNameBasicDeliver = "deliver";
+        internal const string MessagingOperationNameBasicGet = "fetch";
+        internal const string MessagingOperationNameBasicGetEmpty = "fetch (empty)";
+        internal const string MessagingOperationNameBasicPublish = "publish";
+        internal const string MessagingOperationType = "messaging.operation.type";
+        internal const string MessagingOperationTypeSend = "send";
+        internal const string MessagingOperationTypeProcess = "process";
+        internal const string MessagingOperationTypeReceive = "receive";
         internal const string MessagingSystem = "messaging.system";
         internal const string MessagingDestination = "messaging.destination.name";
         internal const string MessagingDestinationRoutingKey = "messaging.rabbitmq.destination.routing_key";
@@ -53,7 +61,7 @@ public static class RabbitMQActivitySource
             new KeyValuePair<string, object?>(ProtocolVersion, "0.9.1")
         };
 
-        internal static Activity? Send(string routingKey, string exchange, int bodySize,
+        internal static Activity? BasicPublish(string routingKey, string exchange, int bodySize,
             ActivityContext linkedContext = default)
         {
             if (!s_publisherSource.HasListeners())
@@ -63,41 +71,42 @@ public static class RabbitMQActivitySource
 
             Activity? activity = linkedContext == default
                 ? s_publisherSource.StartRabbitMQActivity(
-                    UseRoutingKeyAsOperationName ? $"{routingKey} publish" : "publish",
+                    UseRoutingKeyAsOperationName ? $"{MessagingOperationNameBasicPublish} {routingKey}" : MessagingOperationNameBasicPublish,
                     ActivityKind.Producer)
                 : s_publisherSource.StartLinkedRabbitMQActivity(
-                    UseRoutingKeyAsOperationName ? $"{routingKey} publish" : "publish",
+                    UseRoutingKeyAsOperationName ? $"{MessagingOperationNameBasicPublish} {routingKey}" : MessagingOperationNameBasicPublish,
                     ActivityKind.Producer, linkedContext);
             if (activity != null && activity.IsAllDataRequested)
             {
-                PopulateMessagingTags("publish", routingKey, exchange, 0, bodySize, activity);
+                PopulateMessagingTags(MessagingOperationTypeSend, MessagingOperationNameBasicPublish, routingKey, exchange, 0, bodySize, activity);
             }
 
             return activity;
 
         }
 
-        internal static Activity? ReceiveEmpty(string queue)
+        internal static Activity? BasicGetEmpty(string queue)
         {
             if (!s_subscriberSource.HasListeners())
             {
                 return null;
             }
 
             Activity? activity = s_subscriberSource.StartRabbitMQActivity(
-                UseRoutingKeyAsOperationName ? $"{queue} receive" : "receive",
+                UseRoutingKeyAsOperationName ? $"{MessagingOperationNameBasicGetEmpty} {queue}" : MessagingOperationNameBasicGetEmpty,
                 ActivityKind.Consumer);
             if (activity != null && activity.IsAllDataRequested)
             {
                 activity
-                    .SetTag(MessagingOperation, "receive")
+                    .SetTag(MessagingOperationType, MessagingOperationTypeReceive)
+                    .SetTag(MessagingOperationName, MessagingOperationNameBasicGetEmpty)
                     .SetTag(MessagingDestination, "amq.default");
             }
 
             return activity;
         }
 
-        internal static Activity? Receive(string routingKey, string exchange, ulong deliveryTag,
+        internal static Activity? BasicGet(string routingKey, string exchange, ulong deliveryTag,
             IReadOnlyBasicProperties readOnlyBasicProperties, int bodySize)
         {
             if (!s_subscriberSource.HasListeners())
@@ -107,11 +116,11 @@ public static class RabbitMQActivitySource
 
             // Extract the PropagationContext of the upstream parent from the message headers.
             Activity? activity = s_subscriberSource.StartLinkedRabbitMQActivity(
-                UseRoutingKeyAsOperationName ? $"{routingKey} receive" : "receive", ActivityKind.Consumer,
+                UseRoutingKeyAsOperationName ? $"{MessagingOperationNameBasicGet} {routingKey}" : MessagingOperationNameBasicGet, ActivityKind.Consumer,
                 ContextExtractor(readOnlyBasicProperties));
             if (activity != null && activity.IsAllDataRequested)
             {
-                PopulateMessagingTags("receive", routingKey, exchange, deliveryTag, readOnlyBasicProperties,
+                PopulateMessagingTags(MessagingOperationTypeReceive, MessagingOperationNameBasicGet, routingKey, exchange, deliveryTag, readOnlyBasicProperties,
                     bodySize, activity);
             }
 
@@ -128,11 +137,11 @@ public static class RabbitMQActivitySource
 
             // Extract the PropagationContext of the upstream parent from the message headers.
             Activity? activity = s_subscriberSource.StartLinkedRabbitMQActivity(
-                UseRoutingKeyAsOperationName ? $"{routingKey} deliver" : "deliver",
+                UseRoutingKeyAsOperationName ? $"{MessagingOperationNameBasicDeliver} {routingKey}" : MessagingOperationNameBasicDeliver,
                 ActivityKind.Consumer, ContextExtractor(basicProperties));
             if (activity != null && activity.IsAllDataRequested)
             {
-                PopulateMessagingTags("deliver", routingKey, exchange,
+                PopulateMessagingTags(MessagingOperationTypeProcess, MessagingOperationNameBasicDeliver, routingKey, exchange,
                     deliveryTag, basicProperties, bodySize, activity);
             }
 
@@ -154,10 +163,10 @@ public static class RabbitMQActivitySource
                 ?.Start();
         }
 
-        private static void PopulateMessagingTags(string operation, string routingKey, string exchange,
+        private static void PopulateMessagingTags(string operationType, string operationName, string routingKey, string exchange,
             ulong deliveryTag, IReadOnlyBasicProperties readOnlyBasicProperties, int bodySize, Activity activity)
         {
-            PopulateMessagingTags(operation, routingKey, exchange, deliveryTag, bodySize, activity);
+            PopulateMessagingTags(operationType, operationName, routingKey, exchange, deliveryTag, bodySize, activity);
 
             if (!string.IsNullOrEmpty(readOnlyBasicProperties.CorrelationId))
             {
@@ -170,11 +179,12 @@ private static void PopulateMessagingTags(string operation, string routingKey, s
             }
         }
 
-        private static void PopulateMessagingTags(string operation, string routingKey, string exchange,
+        private static void PopulateMessagingTags(string operationType, string operationName, string routingKey, string exchange,
             ulong deliveryTag, int bodySize, Activity activity)
         {
             activity
-                .SetTag(MessagingOperation, operation)
+                .SetTag(MessagingOperationType, operationType)
+                .SetTag(MessagingOperationName, operationName)
                 .SetTag(MessagingDestination, string.IsNullOrEmpty(exchange) ? "amq.default" : exchange)
                 .SetTag(MessagingDestinationRoutingKey, routingKey)
                 .SetTag(MessagingBodySize, bodySize);

projects/Test/SequentialIntegration/TestActivitySource.cs

@@ -402,7 +402,7 @@ private static ActivityListener StartActivityListener(List<Activity> activities)
         private void AssertActivityData(bool useRoutingKeyAsOperationName, string queueName,
             List<Activity> activityList, bool isDeliver = false)
         {
-            string childName = isDeliver ? "deliver" : "receive";
+            string childName = isDeliver ? "deliver" : "fetch";
             Activity[] activities = activityList.ToArray();
             Assert.NotEmpty(activities);
 
@@ -418,11 +418,11 @@ private void AssertActivityData(bool useRoutingKeyAsOperationName, string queueN
             }
 
             Activity sendActivity = activities.First(x =>
-                x.OperationName == (useRoutingKeyAsOperationName ? $"{queueName} publish" : "publish") &&
+                x.OperationName == (useRoutingKeyAsOperationName ? $"publish {queueName}" : "publish") &&
                 x.GetTagItem(RabbitMQActivitySource.MessagingDestinationRoutingKey) is string routingKeyTag &&
                 routingKeyTag == $"{queueName}");
             Activity receiveActivity = activities.Single(x =>
-                x.OperationName == (useRoutingKeyAsOperationName ? $"{queueName} {childName}" : $"{childName}") &&
+                x.OperationName == (useRoutingKeyAsOperationName ? $"{childName} {queueName}" : childName) &&
                 x.Links.First().Context.TraceId == sendActivity.TraceId);
             Assert.Equal(ActivityKind.Producer, sendActivity.Kind);
             Assert.Equal(ActivityKind.Consumer, receiveActivity.Kind);

projects/Test/SequentialIntegration/TestOpenTelemetry.cs

@@ -342,7 +342,8 @@ public async Task TestPublisherAndBasicGetActivityTags(bool useRoutingKeyAsOpera
         private void AssertActivityData(bool useRoutingKeyAsOperationName, string queueName,
             List<Activity> activityList, bool isDeliver = false, string baggageGuid = null)
         {
-            string childName = isDeliver ? "deliver" : "receive";
+            string childName = isDeliver ? "deliver" : "fetch";
+            string childType = isDeliver ? "process" : "receive";
             Activity[] activities = activityList.ToArray();
             Assert.NotEmpty(activities);
             foreach (var item in activities)
@@ -354,11 +355,11 @@ private void AssertActivityData(bool useRoutingKeyAsOperationName, string queueN
             }
 
             Activity sendActivity = activities.First(x =>
-                x.OperationName == (useRoutingKeyAsOperationName ? $"{queueName} publish" : "publish") &&
+                x.OperationName == (useRoutingKeyAsOperationName ? $"publish {queueName}" : "publish") &&
                 x.GetTagItem(RabbitMQActivitySource.MessagingDestinationRoutingKey) is string routingKeyTag &&
                 routingKeyTag == $"{queueName}");
             Activity receiveActivity = activities.Single(x =>
-                x.OperationName == (useRoutingKeyAsOperationName ? $"{queueName} {childName}" : $"{childName}") &&
+                x.OperationName == (useRoutingKeyAsOperationName ? $"{childName} {queueName}" : childName) &&
                 x.Links.First().Context.TraceId == sendActivity.TraceId);
             Assert.Equal(ActivityKind.Producer, sendActivity.Kind);
             Assert.Equal(ActivityKind.Consumer, receiveActivity.Kind);
@@ -380,6 +381,10 @@ private void AssertActivityData(bool useRoutingKeyAsOperationName, string queueN
             AssertIntTagGreaterThanZero(sendActivity, RabbitMQActivitySource.MessagingEnvelopeSize);
             AssertIntTagGreaterThanZero(sendActivity, RabbitMQActivitySource.MessagingBodySize);
             AssertIntTagGreaterThanZero(receiveActivity, RabbitMQActivitySource.MessagingBodySize);
+            AssertStringTagEquals(receiveActivity, RabbitMQActivitySource.MessagingOperationType, childType);
+            AssertStringTagEquals(receiveActivity, RabbitMQActivitySource.MessagingOperationName, childName);
+            AssertStringTagEquals(sendActivity, RabbitMQActivitySource.MessagingOperationType, "send");
+            AssertStringTagEquals(sendActivity, RabbitMQActivitySource.MessagingOperationName, "publish");
         }
     }
 }